/**
 * UI Orchestration logic with Config support, 4 converter modes,
 * page navigation, and Watcher integration.
 */
window.EDIBridge = window.EDIBridge || {};

class App {
    constructor() {
        this.mode = 'outbound-bosch';
        this.currentPage = 'converter';
        this.currentData = null;
        this.rawContent = null;
        this.masterData = {};
        this.config = null;
        this.configFileName = 'config.txt';
        this.watcher = null;
        this.werksWatcher = null;

        this.initElements();
        this.bindEvents();
        this.loadConfigFromStorage();
        this.initWatcher();
        this.initOutboundWatcher();
        this.initWerksWatcher();

        // Initialize Sub-modules
        if (window.EDIBridge.Viewer) {
            this.viewer = new window.EDIBridge.Viewer(this);
        }
        if (window.EDIBridge.Editor) {
            this.editor = new window.EDIBridge.Editor(this);
        }
        if (window.EDIBridge.HistoryManager) {
            this.historyManager = new window.EDIBridge.HistoryManager(this);
        }
    }

    // ─── Elements ────────────────────────────────────────────────────
    initElements() {
        this.dropZone = document.getElementById('dropZone');
        this.fileInput = document.getElementById('fileInput');
        this.configInput = document.getElementById('configInput');
        this.enrichmentSection = document.getElementById('enrichmentSection');
        this.resultSection = document.getElementById('resultSection');
        this.previewArea = document.getElementById('previewArea');
        this.dropText = document.getElementById('dropText');
        this.configStatus = document.getElementById('configStatus');
        this.statsGrid = document.getElementById('stats-grid');
        this.ownCustomerNumber = document.getElementById('ownCustomerNumber');
    }

    // ─── Events ──────────────────────────────────────────────────────
    bindEvents() {
        if (this.dropZone) {
            this.dropZone.onclick = (e) => { e.stopPropagation(); if (this.fileInput) this.fileInput.click(); };
            this.dropZone.ondragover = (e) => { e.preventDefault(); this.dropZone.classList.add('dragover'); };
            this.dropZone.ondragleave = () => this.dropZone.classList.remove('dragover');
            this.dropZone.ondrop = (e) => {
                e.preventDefault();
                this.dropZone.classList.remove('dragover');
                this.handleFile(e.dataTransfer.files[0]);
            };
        }

        if (this.fileInput) {
            this.fileInput.onchange = (e) => this.handleFile(e.target.files[0]);
        }

        if (this.configInput) {
            this.configInput.onchange = (e) => this.loadConfig(e.target.files[0]);
        }
    }

    // ─── Watcher Init ────────────────────────────────────────────────
    initWatcher() {
        const WatcherBridge = window.EDIBridge.WatcherBridge;
        if (!WatcherBridge) return;

        this.watcher = new WatcherBridge();

        this.watcher.onStatusChange = (status) => this.updateWatcherUI(status);
        this.watcher.onLogEntry = (entry) => this.appendLogEntry(entry);

        // Check if running in Electron
        if (!this.watcher.isElectron()) {
            const notice = document.getElementById('electronNotice');
            if (notice) notice.style.display = 'flex';
            // Disable folder buttons
            const btnIn = document.getElementById('btnSelectInput');
            const btnOut = document.getElementById('btnSelectOutput');
            const btnInvrptOut = document.getElementById('btnSelectInvrptOutput');
            const btnStart = document.getElementById('btnStartWatcher');
            if (btnIn) btnIn.disabled = true;
            if (btnOut) btnOut.disabled = true;
            if (btnInvrptOut) btnInvrptOut.disabled = true;
            if (btnStart) btnStart.disabled = true;
        } else {
            // Load saved settings
            this.watcher.loadSettings().then(settings => {
                if (settings.inputDir) {
                    document.getElementById('inputDirPath').value = settings.inputDir;
                }
                if (settings.outputDir) {
                    document.getElementById('outputDirPath').value = settings.outputDir;
                }
                if (settings.invrptOutputDir) {
                    document.getElementById('invrptOutputPath').value = settings.invrptOutputDir;
                }
            });
        }
    }

    initOutboundWatcher() {
        const OutboundWatcherBridge = window.EDIBridge.OutboundWatcherBridge;
        if (!OutboundWatcherBridge) return;

        this.outboundWatcher = new OutboundWatcherBridge();
        this.outboundWatcher.onStatusChange = (status) => this.updateOutboundWatcherUI(status);
        this.outboundWatcher.onLogEntry = (entry) => this.appendLogEntry(entry);

        if (!this.outboundWatcher.isElectron()) return;

        // Load saved settings
        window.electronAPI.loadSettings().then(settings => {
            if (settings.outboundInputDir) {
                document.getElementById('outboundInputPath').value = settings.outboundInputDir;
            }
            if (settings.outboundOutputDir) {
                document.getElementById('outboundOutputPath').value = settings.outboundOutputDir;
            }
        });
    }

    initWerksWatcher() {
        const WerksWatcherBridge = window.EDIBridge.WerksWatcherBridge;
        if (!WerksWatcherBridge) return;

        this.werksWatcher = new WerksWatcherBridge();
        this.werksWatcher.onStatusChange = (status) => this.updateWerksWatcherUI(status);
        this.werksWatcher.onLogEntry = (entry) => this.appendLogEntry(entry);

        if (!this.werksWatcher.isElectron()) return;

        // Load saved settings
        window.electronAPI.loadSettings().then(settings => {
            if (settings.werksInputDir) {
                document.getElementById('werksInputPath').value = settings.werksInputDir;
            }
            if (settings.werksOutputDir) {
                document.getElementById('werksOutputPath').value = settings.werksOutputDir;
            }
        });
    }

    showPage(page) {
        this.currentPage = page;
        document.querySelectorAll('.page-nav-btn').forEach(btn => {
            btn.classList.toggle('active', btn.dataset.page === page);
        });
        document.getElementById('pageConverter').style.display = page === 'converter' ? '' : 'none';
        document.getElementById('pageSettings').style.display = page === 'settings' ? '' : 'none';
        
        if (page === 'settings') {
            this.switchSettingsSection('inbound');
        }

        const pageViewer = document.getElementById('pageViewer');
        if (pageViewer) pageViewer.style.display = page === 'viewer' ? '' : 'none';

        const pageEditor = document.getElementById('pageEditor');
        if (pageEditor) pageEditor.style.display = page === 'editor' ? '' : 'none';

        const pageHistory = document.getElementById('pageHistory');
        if (pageHistory) pageHistory.style.display = page === 'history' ? '' : 'none';

        // Activate history manager when page is shown
        if (page === 'history' && this.historyManager) {
            this.historyManager.activate();
        }

        if (window.lucide) try { lucide.createIcons(); } catch (e) { }
    }

    // ─── Settings Sidebar Navigation ─────────────────────────────
    switchSettingsSection(section) {
        document.querySelectorAll('.settings-nav-btn').forEach(btn => {
            btn.classList.toggle('active', btn.dataset.section === section);
        });
        document.querySelectorAll('.settings-section').forEach(el => {
            el.style.display = el.id === `settingsSection-${section}` ? '' : 'none';
        });
        if (window.lucide) try { lucide.createIcons(); } catch (e) { }
    }

    // ─── Config ──────────────────────────────────────────────────────

    async loadConfigFromStorage() {
        let stored = null;

        // Try getting config from Database first
        if (window.electronAPI && window.electronAPI.dbGetConfig) {
            try {
                stored = await window.electronAPI.dbGetConfig();
                if (stored) console.log("Config loaded from Database");
            } catch (e) {
                console.error("Failed to load config from DB:", e);
            }
        }

        // Fallback to localStorage if DB doesn't have it
        if (!stored) {
            stored = localStorage.getItem('ediConfig');
            if (stored) console.log("Config loaded from LocalStorage fallback");
        }

        if (stored) {
            const ConfigParser = window.EDIBridge.ConfigParser;
            this.config = ConfigParser.parse(stored);
            if (this.watcher) this.watcher.config = this.config;
            this.updateConfigUI('Gespeichert (DB/Local)');
        }
    }

    loadConfig(file) {
        if (!file) return;
        this.configFileName = file.name;
        const reader = new FileReader();
        reader.onload = (e) => {
            const text = e.target.result;
            const ConfigParser = window.EDIBridge.ConfigParser;
            this.config = ConfigParser.parse(text);
            if (this.watcher) this.watcher.config = this.config;
            localStorage.setItem('ediConfig', text);
            this.updateConfigUI(file.name);
            if (this.currentData) {
                this.autoPopulateNADs();
                this.renderEnrichmentTable();
            }
        };
        reader.readAsText(file);
    }

    updateConfigUI(name) {
        this.configStatus.innerHTML = '<i data-lucide="check-circle"></i><span>Konfig: ' + name + '</span>';
        this.configStatus.classList.add('loaded');
        const badge = document.getElementById('nadSourceBadge');
        if (badge) {
            badge.textContent = 'Aus Konfig';
            badge.className = 'badge badge-config';
        }
        document.getElementById('btnSaveConfig').style.display = 'inline-flex';
        this.renderMappingTable();
        this.renderIdMapping711Table();
        
        // Populate Own Customer Number
        if (this.ownCustomerNumber && window.EDIBridge.ConfigParser) {
            this.ownCustomerNumber.value = window.EDIBridge.ConfigParser.lookupGeneral(this.config, 'OWN_CUSTOMER_NUMBER', '');
        }

        if (window.lucide) lucide.createIcons();
    }

    async saveConfig() {
        if (!this.config) return;
        this.mergeUIToConfig();
        const ConfigParser = window.EDIBridge.ConfigParser;
        const text = ConfigParser.serialize(this.config);

        // Save to LocalStorage array as fallback
        localStorage.setItem('ediConfig', text);

        // Save to Database (the main requirement)
        if (window.electronAPI && window.electronAPI.dbInsertConfig) {
            try {
                await window.electronAPI.dbInsertConfig(text);
                console.log("Config successfully saved to Database");
            } catch (e) {
                console.error("Failed to save config to DB:", e);
            }
        }

        // Sync with watcher
        if (this.watcher) this.watcher.config = this.config;

        const blob = new Blob([text], { type: 'text/plain' });
        const url = URL.createObjectURL(blob);
        const a = document.createElement('a');
        a.href = url;
        a.download = this.configFileName || 'config.txt';
        document.body.appendChild(a);
        a.click();
        document.body.removeChild(a);

        // Revoke after a short delay to ensure browser handled the click
        setTimeout(() => URL.revokeObjectURL(url), 100);
    }

    saveToStorage() {
        if (!this.config) {
            // If no config object yet, create an empty one
            const ConfigParser = window.EDIBridge.ConfigParser;
            this.config = { __sectionMap__: {} };
            this.updateConfigUI('Gespeichert (Local)');
        }
        this.mergeUIToConfig();
        const ConfigParser = window.EDIBridge.ConfigParser;
        const text = ConfigParser.serialize(this.config);
        localStorage.setItem('ediConfig', text);
        console.log("Config auto-saved to LocalStorage");
        if (this.watcher) this.watcher.config = this.config;
    }

    mergeUIToConfig() {
        const ConfigParser = window.EDIBridge.ConfigParser;

        const updateSection = (sectionName, selector, dataKey) => {
            const section = ConfigParser.getSection(this.config, sectionName) || ConfigParser.ensureSection(this.config, sectionName);
            document.querySelectorAll(selector).forEach(input => {
                const val = input.value.trim();
                const key = input.dataset[dataKey];
                if (val) {
                    section[key] = val;
                } else {
                    delete section[key];
                }
            });
        };

        // Sync General Settings
        if (this.ownCustomerNumber) {
            const genSection = ConfigParser.ensureSection(this.config, 'GENERAL');
            const ownCust = this.ownCustomerNumber.value.trim();
            if (ownCust) genSection['OWN_CUSTOMER_NUMBER'] = ownCust;
            else delete genSection['OWN_CUSTOMER_NUMBER'];
        }

        updateSection('PAC_WEIGHT', '.pac-weight-input', 'pacmat');
        updateSection('PAC_LENGTH', '.pac-ln-input', 'pacmat');
        updateSection('PAC_WIDTH', '.pac-wd-input', 'pacmat');
        updateSection('PAC_HEIGHT', '.pac-ht-input', 'pacmat');
        updateSection('LIN_WEIGHT', '.lin-weight-input', 'suppmat');

        // Sync NAD fields back to config
        if (this.activeSourceId || this.activeTargetId) {
            const quals = ['by', 'se', 'st', 'sf'];
            const idMap = { 'by': this.activeTargetId, 'st': this.activeTargetId, 'se': this.activeSourceId, 'sf': this.activeSourceId };
            const fields = {
                'id': 'PARTY',
                'qual': 'QUAL',
                'name': 'NAME',
                'name2': 'NAME2',
                'street': 'STREET',
                'city': 'CITY',
                'zip': 'POSTCODE',
                'country': 'COUNTRY'
            };

            quals.forEach(q => {
                const plantId = idMap[q];
                if (!plantId) return;

                Object.entries(fields).forEach(([f, sectionSuffix]) => {
                    const el = document.getElementById(`nad-${q}-${f}`);
                    if (el) {
                        const val = el.value.trim();
                        const sectionName = `NAD_${q.toUpperCase()}_${sectionSuffix}`;
                        const section = ConfigParser.ensureSection(this.config, sectionName);
                        if (val) section[plantId] = val;
                        else delete section[plantId];
                    }
                });
            });
        }
    }

    autoPopulateNADs() {
        if (!this.config || !this.currentData) return;
        const ConfigParser = window.EDIBridge.ConfigParser;
        const h = this.currentData.interchanges[0]?.header;
        if (!h) return;
        this.activeTargetId = h.targetId;
        this.activeSourceId = h.sourceId;
        const targetId = h.targetId;
        const sourceId = h.sourceId;
        const by = ConfigParser.lookupNAD(this.config, 'BY', targetId);
        if (by.name) this.fillNAD('by', by);
        const se = ConfigParser.lookupNAD(this.config, 'SE', sourceId);
        if (se.name) this.fillNAD('se', se);
        const st = ConfigParser.lookupNAD(this.config, 'ST', targetId);
        if (st.name) this.fillNAD('st', st);
        const sf = ConfigParser.lookupNAD(this.config, 'SF', sourceId);
        if (sf.name) this.fillNAD('sf', sf);
    }

    fillNAD(prefix, data) {
        const set = (field, val) => {
            const el = document.getElementById('nad-' + prefix + '-' + field);
            if (el) el.value = val || '';
        };
        set('id', data.id);
        set('qual', data.qual);
        set('name', data.name);
        set('name2', data.name2);
        set('street', data.street);
        set('city', data.city);
        set('zip', data.zip);
        set('country', data.country);
    }

    // ─── Mode Toggle ─────────────────────────────────────────────────
    setMode(mode) {
        this.mode = mode;
        const modes = ['outbound-bosch', 'outbound-zf', 'outbound-ifm', 'inbound-bosch', 'inbound-ifm', 'inbound-invrpt', 'validate-edifact'];
        const btnIds = ['btnOutboundBosch', 'btnOutboundZf', 'btnOutboundIfm', 'btnInboundBosch', 'btnInboundIfm', 'btnInboundInvrpt', 'btnValidateEdifact'];
        modes.forEach((m, i) => {
            const btn = document.getElementById(btnIds[i]);
            if (btn) btn.classList.toggle('active', m === mode);
        });

        // Update drop zone text
        const labelMap = {
            'outbound-bosch': 'VDA 4913 Datei auswählen → Bosch DESADV',
            'outbound-zf': 'VDA 4913 Datei auswählen → ZF DESADV',
            'outbound-ifm': 'VDA 4913 Datei auswählen → IFM DELVRY03',
            'inbound-bosch': 'EDIFACT DELFOR Datei auswählen → VDA 4905',
            'inbound-ifm': 'IFM DELFOR D04A Datei auswählen → VDA 4905',
            'inbound-invrpt': 'INVRPT Datei auswählen → VDA 4913 EDL36',
            'validate-edifact': 'EDIFACT Datei auswählen zur reinen Validierung/Prüfung',
        };
        if (this.dropText) this.dropText.textContent = labelMap[mode] || '';

        // Hide enrichment/result when switching modes
        if (this.enrichmentSection) this.enrichmentSection.style.display = 'none';
        if (this.resultSection) this.resultSection.style.display = 'none';
    }

    // ─── File Handling ───────────────────────────────────────────────
    handleFile(file) {
        if (!file) return;
        this.currentFilename = file.name;
        const reader = new FileReader();
        reader.onload = (e) => {
            this.rawContent = e.target.result;
            this._processContent(this.rawContent);
        };
        reader.readAsText(file);
    }

    _processContent(content) {
        const trimmed = content.trim();

        // Check if we should auto-detect based on customer ID
        const VDAParser = window.EDIBridge.VDAParser;
        let detectedMode = null;

        if (VDAParser) {
            let customerId = VDAParser.getCustomerId(trimmed);

            // If not VDA, try EDIFACT/DELFOR
            if (!customerId && window.EDIBridge.DelforParser) {
                customerId = window.EDIBridge.DelforParser.getCustomerId(trimmed);
            }

            console.log("Detected Customer ID:", customerId);
            if (customerId) {
                const ConfigParser = window.EDIBridge.ConfigParser;
                detectedMode = ConfigParser.lookupCustomerMode(this.config, customerId);
                console.log("Mapped mode for ID", customerId, ":", detectedMode);
                if (detectedMode) {
                    this.setMode(detectedMode);
                }
            }
        }

        switch (this.mode) {
            case 'outbound-bosch':
                this.processOutboundBosch(trimmed);
                break;
            case 'outbound-zf':
                this.processOutboundZf(trimmed);
                break;
            case 'outbound-ifm':
                this.processOutboundIfm(trimmed);
                break;
            case 'inbound-bosch':
                this.processInboundBosch(trimmed);
                break;
            case 'inbound-ifm':
                this.processInboundIfm(trimmed);
                break;
            case 'inbound-invrpt':
                this.processInboundInvrpt(trimmed);
                break;
            case 'validate-edifact':
                this.processValidateEdifact(trimmed);
                break;
            default:
                // Auto-detect format fallback
                const upper = trimmed.toUpperCase();
                if (upper.includes('INVRPT')) {
                    this.setMode('inbound-invrpt');
                    this.processInboundInvrpt(trimmed);
                } else if (upper.startsWith('UNA') || upper.startsWith('UNB')) {
                    this.setMode('inbound-bosch');
                    this.processInboundBosch(trimmed);
                } else {
                    this.setMode('outbound-bosch');
                    this.processOutboundBosch(trimmed);
                }
        }
    }

    // ─── Inbound: Bosch DELFOR → VDA 4905 ────────────────────────────
    processInboundBosch(content) {
        this.statsGrid.innerHTML = '';
        this.enrichmentSection.style.display = 'none';
        this.currentData = null;

        try {
            const parser = window.EDIBridge.DelforParser;
            const generator = window.EDIBridge.VDA4905Generator;

            if (!parser || !generator) throw new Error('Inbound-Module (DelforParser/VDA4905Generator) nicht geladen.');

            const parsed = parser.parse(content);
            const vda4905 = generator.generate(parsed);

            this.previewArea.innerText = vda4905;
            this.resultSection.style.display = 'block';
            document.getElementById('resultTitle').innerText = 'VDA 4905 Ergebnis (DELFOR → VDA 4905)';

            const statsHtml = `
                <div class="stat-card">
                    <div class="stat-value">${parsed.segments.length}</div>
                    <div class="stat-label">EDIFACT Segments</div>
                </div>
                <div class="stat-card">
                    <div class="stat-value">${vda4905.split('\n').filter(l => l.trim()).length}</div>
                    <div class="stat-label">VDA 4905 Records</div>
                </div>
             `;
            this.statsGrid.innerHTML = statsHtml;
            this.resultSection.scrollIntoView({ behavior: 'smooth' });

        } catch (e) {
            alert('Inbound Error (Bosch): ' + e.message);
            console.error(e);
        }
    }

    // ─── Inbound: IFM DELFOR D04A → VDA 4905 ────────────────────────
    processInboundIfm(content) {
        this.statsGrid.innerHTML = '';
        this.enrichmentSection.style.display = 'none';
        this.currentData = null;

        try {
            const Converter = window.EDIBridge.DelforToVDA4905Converter;
            if (!Converter) throw new Error('IFM DELFOR Converter (DelforToVDA4905Converter) nicht geladen.');

            const result = Converter.convertWithValidation(content);

            if (result.errors && result.errors.length > 0) {
                console.warn('IFM DELFOR Validation Warnings:', result.errors);
            }

            const vda4905 = result.output || result;
            const outputText = typeof vda4905 === 'string' ? vda4905 : JSON.stringify(vda4905, null, 2);

            this.previewArea.innerText = outputText;
            this.resultSection.style.display = 'block';
            document.getElementById('resultTitle').innerText = 'VDA 4905 Ergebnis (IFM DELFOR D04A → VDA 4905)';

            const lines = outputText.split('\n').filter(l => l.trim()).length;
            const statsHtml = `
                <div class="stat-card">
                    <div class="stat-value">${lines}</div>
                    <div class="stat-label">VDA 4905 Records</div>
                </div>
            `;
            this.statsGrid.innerHTML = statsHtml;

            if (result.warnings && result.warnings.length > 0) {
                this.statsGrid.innerHTML += `
                    <div class="stat-card stat-warning">
                        <div class="stat-value">${result.warnings.length}</div>
                        <div class="stat-label">Warnungen</div>
                    </div>
                `;
            }

            this.resultSection.scrollIntoView({ behavior: 'smooth' });

        } catch (e) {
            alert('Inbound Error (IFM): ' + e.message);
            console.error(e);
        }
    }

    // ─── Inbound: INVRPT D13A → VDA 4913 ────────────────────────
    processInboundInvrpt(content) {
        this.statsGrid.innerHTML = '';
        this.enrichmentSection.style.display = 'none';
        this.currentData = null;

        try {
            const Converter = window.EDIBridge.InvrptToVDA4913;
            if (!Converter) throw new Error('INVRPT-Module (InvrptToVDA4913) nicht geladen.');

            const vda4913 = Converter.convert(content, this.config);

            this.previewArea.innerText = vda4913;
            this.resultSection.style.display = 'block';
            document.getElementById('resultTitle').innerText = 'VDA 4913 Ergebnis (INVRPT → VDA 4913)';

            const statsHtml = `
                <div class="stat-card">
                    <div class="stat-value">${vda4913.split('\\n').filter(l => l.trim()).length}</div>
                    <div class="stat-label">VDA 4913 Records</div>
                </div>
            `;
            this.statsGrid.innerHTML = statsHtml;
            this.resultSection.scrollIntoView({ behavior: 'smooth' });

        } catch (e) {
            alert('Inbound Error (INVRPT): ' + e.message);
            console.error(e);
        }
    }

    // ─── Utility: Validate EDIFACT (ts-edifact) ─────────────────────
    async processValidateEdifact(content) {
        this.statsGrid.innerHTML = '';
        this.enrichmentSection.style.display = 'none';
        this.currentData = null;

        if (!window.electronAPI || !window.electronAPI.validateEdifact) {
            alert('Validierung (ts-edifact) ist nur in der Electron-App verfügbar.');
            return;
        }

        try {
            const result = await window.electronAPI.validateEdifact(content);
            const parsed = await window.electronAPI.parseEdifactLib(content);

            document.getElementById('resultTitle').innerText = 'EDIFACT Validierungsprozess';
            
            let html = `<div style="font-family: inherit;">
                <h3 style="margin-top:0; color: ${result.valid ? '#10b981' : '#ef4444'}">
                    ${result.valid ? '<i data-lucide="check-circle" style="vertical-align:middle"></i> Gültiges EDIFACT' : '<i data-lucide="x-circle" style="vertical-align:middle"></i> Ungültiges EDIFACT'}
                </h3>`;
            
            if (result.stats.messageType) {
                html += `<p><strong>Nachrichtentyp:</strong> ${result.stats.messageType} (Version: ${result.stats.messageVersion})</p>`;
            }
            if (result.stats.sender || result.stats.receiver) {
                 html += `<p><strong>Sender:</strong> ${result.stats.sender || '-'} &nbsp;&nbsp; <strong>Empfänger:</strong> ${result.stats.receiver || '-'}</p>`;
            }

            if (result.errors && result.errors.length > 0) {
                html += `<div style="background:#fee2e2; color:#b91c1c; padding: 15px; border-radius: 6px; margin-top: 15px;">
                    <h4 style="margin-top:0"><i data-lucide="alert-circle" style="vertical-align:middle; width:16px;"></i> Fehler</h4>
                    <ul style="margin-bottom:0">${result.errors.map(e => `<li>${e}</li>`).join('')}</ul>
                </div>`;
            }
            
            if (result.warnings && result.warnings.length > 0) {
                html += `<div style="background:#fef3c7; color:#b45309; padding: 15px; border-radius: 6px; margin-top: 15px;">
                    <h4 style="margin-top:0"><i data-lucide="alert-triangle" style="vertical-align:middle; width:16px;"></i> Warnungen</h4>
                    <ul style="margin-bottom:0">${result.warnings.map(e => `<li>${e}</li>`).join('')}</ul>
                </div>`;
            }

            html += `<h4 style="margin-top: 25px;">Extrahierte Segmente (Rohdaten)</h4>
            <div style="background:#1e1e1e; color:#d4d4d4; padding:15px; border-radius:6px; overflow-x:auto; font-family:'Fira Code', monospace; font-size:13px; max-height: 400px; overflow-y:auto;">
                <pre style="margin:0;">${JSON.stringify(parsed.segments, null, 2)}</pre>
            </div>
            </div>`;

            // Since previewArea usually escapes HTML via innerText, we set innerHTML and handle styling:
            this.previewArea.innerHTML = html;
            this.previewArea.style.whiteSpace = 'normal';
            this.previewArea.style.backgroundColor = 'transparent';
            this.previewArea.style.padding = '0';
            
            this.resultSection.style.display = 'block';

            const statsHtml = `
                <div class="stat-card" style="border-left: 4px solid ${result.valid ? '#10b981' : '#ef4444'}">
                    <div class="stat-value">${result.valid ? 'OK' : 'ERR'}</div>
                    <div class="stat-label">Syntax-Status</div>
                </div>
                <div class="stat-card">
                    <div class="stat-value">${result.stats.segmentCount || 0}</div>
                    <div class="stat-label">Segmente</div>
                </div>
            `;
            this.statsGrid.innerHTML = statsHtml;
            this.resultSection.scrollIntoView({ behavior: 'smooth' });
            if (window.lucide) lucide.createIcons();

        } catch (e) {
            alert('Validierungsfehler: ' + e.message);
            console.error(e);
        }
    }

    // ─── Outbound: VDA 4913 → Bosch DESADV ──────────────────────────
    processOutboundBosch(content) {
        const VDAParser = window.EDIBridge.VDAParser;
        const vda = VDAParser.parse(content);
        if (vda.interchanges.length === 0) {
            alert('Keine gültigen VDA 4913 Daten gefunden.');
            return;
        }
        this.currentData = vda;
        this.updateStats(vda);
        this.autoPopulateNADs();
        this.renderEnrichmentTable();
    }

    // ─── Outbound: VDA 4913 → ZF DESADV ──────────────────────────
    processOutboundZf(content) {
        const VDAParser = window.EDIBridge.VDAParser;
        const vda = VDAParser.parse(content);
        if (vda.interchanges.length === 0) {
            alert('Keine gültigen VDA 4913 Daten gefunden.');
            return;
        }
        this.currentData = vda;
        this.updateStats(vda);
        this.autoPopulateNADs();
        this.renderEnrichmentTable();
    }

    // ─── Outbound: VDA 4913 → IFM DELVRY03 ──────────────────────────
    processOutboundIfm(content) {
        this.statsGrid.innerHTML = '';
        this.enrichmentSection.style.display = 'none';

        try {
            const VDAParser = window.EDIBridge.VDAParser;
            const Converter = window.EDIBridge.VDA4913ToDELVRY03;

            if (!VDAParser) throw new Error('VDA Parser nicht geladen.');
            if (!Converter) throw new Error('VDA4913ToDELVRY03 Converter nicht geladen.');

            const parsed = VDAParser.parse(content);
            if (!parsed.interchanges || parsed.interchanges.length === 0) {
                alert('Keine gültigen VDA 4913 Daten gefunden.');
                return;
            }

            const idocs = Converter.convert(parsed, this.config || {});
            const xml = Converter.toXML(idocs);

            this.previewArea.innerText = xml;
            this.resultSection.style.display = 'block';
            document.getElementById('resultTitle').innerText = 'IFM DELVRY03 Ergebnis (VDA 4913 → DELVRY03)';

            const statsHtml = `
                <div class="stat-card">
                    <div class="stat-value">${parsed.interchanges.length}</div>
                    <div class="stat-label">Interchanges</div>
                </div>
                <div class="stat-card">
                    <div class="stat-value">${idocs.length}</div>
                    <div class="stat-label">IDocs erzeugt</div>
                </div>
            `;
            this.statsGrid.innerHTML = statsHtml;
            this.resultSection.scrollIntoView({ behavior: 'smooth' });

        } catch (e) {
            alert('Outbound Error (IFM): ' + e.message);
            console.error(e);
        }
    }

    // ─── Stats ───────────────────────────────────────────────────────
    updateStats(vda) {
        if (!vda || !vda.interchanges) return;
        const count = vda.interchanges.length;
        const dnCount = vda.interchanges.reduce((acc, i) =>
            acc + i.transports.reduce((tAcc, t) => tAcc + t.deliveryNotes.length, 0), 0);
        this.statsGrid.innerHTML = `
            <div class="stat-card">
                <div class="stat-value">${count}</div>
                <div class="stat-label">Interchanges</div>
            </div>
            <div class="stat-card">
                <div class="stat-value">${dnCount}</div>
                <div class="stat-label">Delivery Notes</div>
            </div>
        `;
    }

    // ─── Enrichment Table ────────────────────────────────────────────
    renderEnrichmentTable() {
        const tbody = document.querySelector('#enrichmentTable tbody');
        if (!tbody || !this.currentData) return;
        tbody.innerHTML = '';

        const ConfigParser = window.EDIBridge.ConfigParser;
        const positions = [];
        this.currentData.interchanges.forEach(i => {
            i.transports.forEach(t => {
                t.deliveryNotes.forEach(dn => {
                    dn.positions.forEach(pos => positions.push(pos));
                });
            });
        });

        positions.forEach(pos => {
            const row = document.createElement('tr');
            const suppMat = pos.data.suppMat;
            let weight = 0;
            let status = '<span class="badge badge-vda">Aus VDA</span>';

            if (this.config) {
                weight = ConfigParser.lookupLinWeight(this.config, suppMat);
                if (weight > 0) {
                    status = '<span class="badge badge-config">Aus Konfig</span>';
                }
            }

            row.innerHTML = `
                <td>${pos.data.custMat}</td>
                <td>${suppMat}</td>
                <td>${pos.data.qty}</td>
                <td>${pos.data.unit}</td>
                <td><input type="number" step="0.001" class="nad-input lin-weight-input" data-suppmat="${suppMat}" value="${weight || ''}" placeholder="0.000" onchange="app.saveToStorage()"></td>
                <td>${status}</td>
            `;
            tbody.appendChild(row);
        });

        this.enrichmentSection.style.display = 'block';
        this.renderPackagingTable();
    }

    renderPackagingTable() {
        const tbody = document.querySelector('#packagingTable tbody');
        if (!tbody || !this.currentData) return;
        tbody.innerHTML = '';

        const ConfigParser = window.EDIBridge.ConfigParser;
        const seen = new Set();
        const packages = [];

        this.currentData.interchanges.forEach(i => {
            i.transports.forEach(t => {
                t.deliveryNotes.forEach(dn => {
                    dn.positions.forEach(pos => {
                        pos.packaging.forEach(p => {
                            const key = p.packMatSupp;
                            if (!seen.has(key)) {
                                seen.add(key);
                                packages.push(p);
                            }
                        });
                    });
                });
            });
        });

        packages.forEach(p => {
            const row = document.createElement('tr');
            const packMatSupp = p.packMatSupp;
            let weight = null, ln = null, wd = null, ht = null;
            let status = '<span class="badge badge-vda">Default</span>';

            if (this.config) {
                const w = ConfigParser.lookupPacWeight(this.config, packMatSupp);
                if (w > 0) weight = w;

                const l = ConfigParser.lookupPacDimension(this.config, packMatSupp, 'LENGTH');
                if (l > 0) ln = l;

                const w_d = ConfigParser.lookupPacDimension(this.config, packMatSupp, 'WIDTH');
                if (w_d > 0) wd = w_d;

                const h = ConfigParser.lookupPacDimension(this.config, packMatSupp, 'HEIGHT');
                if (h > 0) ht = h;

                if (weight || ln || wd || ht) {
                    status = '<span class="badge badge-config">Aus Konfig</span>';
                }
            }

            row.innerHTML = `
                <td>${p.packMatCust}</td>
                <td>${packMatSupp}</td>
                <td>${p.qty}</td>
                <td><input type="number" step="0.1" class="nad-input pac-weight-input" data-pacmat="${packMatSupp}" value="${weight || ''}" placeholder="1.0" onchange="app.saveToStorage()"></td>
                <td><input type="number" class="nad-input pac-ln-input" data-pacmat="${packMatSupp}" value="${ln || ''}" placeholder="40" onchange="app.saveToStorage()"></td>
                <td><input type="number" class="nad-input pac-wd-input" data-pacmat="${packMatSupp}" value="${wd || ''}" placeholder="30" onchange="app.saveToStorage()"></td>
                <td><input type="number" class="nad-input pac-ht-input" data-pacmat="${packMatSupp}" value="${ht || ''}" placeholder="15" onchange="app.saveToStorage()"></td>
                <td>${status}</td>
            `;
            tbody.appendChild(row);
        });
    }

    // ─── Customer Mapping Editor ─────────────────────────────────────
    renderMappingTable() {
        if (!this.config) return;
        const ConfigParser = window.EDIBridge.ConfigParser;
        const section = ConfigParser.getSection(this.config, 'CUSTOMER_MAPPING') || {};
        const tbody = document.querySelector('#mappingTable tbody');
        if (!tbody) return;
        tbody.innerHTML = '';

        const formatMap = {
            'outbound-bosch': 'VDA 4913 → Bosch DESADV',
            'outbound-zf': 'VDA 4913 → ZF DESADV',
            'outbound-ifm': 'VDA 4913 → IFM DELVRY03',
            'inbound-bosch': 'DELFOR → VDA 4905',
            'inbound-ifm': 'IFM DELFOR → VDA 4905',
            'inbound-invrpt': 'INVRPT → VDA 4913',
            'validate-edifact': 'EDIFACT Validieren'
        };

        for (const [id, mode] of Object.entries(section)) {
            const row = document.createElement('tr');
            row.innerHTML = `
                <td><strong>${id}</strong></td>
                <td>${formatMap[mode] || mode}</td>
                <td>
                    <button class="btn-secondary" onclick="app.removeMapping('${id}')" title="Löschen">
                        <i data-lucide="trash-2" style="width: 16px; height: 16px; color: #ef4444;"></i>
                    </button>
                </td>
            `;
            tbody.appendChild(row);
        }
        if (window.lucide) lucide.createIcons();
    }

    addMapping() {
        if (!this.config) {
            alert('Bitte zuerst eine Konfiguration laden!');
            return;
        }
        const idInput = document.getElementById('newMappingId');
        const modeInput = document.getElementById('newMappingMode');
        const id = idInput.value.trim();
        const mode = modeInput.value;

        if (!id) {
            alert('Bitte eine Kundennummer eingeben.');
            return;
        }

        const ConfigParser = window.EDIBridge.ConfigParser;
        const section = ConfigParser.ensureSection(this.config, 'CUSTOMER_MAPPING');
        section[id] = mode;

        idInput.value = '';
        this.renderMappingTable();
        this.saveToStorage();

        // Update UI status to show it's active but maybe needs file export
        if (this.configStatus.classList.contains('loaded')) {
            // Keep "loaded" but maybe change icon temporarily or just keep it
        } else {
            this.updateConfigUI('Gespeichert (Local)');
        }
        if (window.lucide) lucide.createIcons();
    }

    removeMapping(id) {
        if (!this.config) return;
        const ConfigParser = window.EDIBridge.ConfigParser;
        const section = ConfigParser.getSection(this.config, 'CUSTOMER_MAPPING');
        if (section && section[id]) {
            delete section[id];
            this.renderMappingTable();
            this.saveToStorage();
            if (window.lucide) lucide.createIcons();
        }
    }

    // ─── VDA 711 ID Mapping Editor ───────────────────────────────────
    renderIdMapping711Table() {
        if (!this.config) return;
        const ConfigParser = window.EDIBridge.ConfigParser;
        const section = ConfigParser.getSection(this.config, 'VDA711_ID_MAPPING') || {};
        const tbody = document.querySelector('#idMapping711Table tbody');
        if (!tbody) return;
        tbody.innerHTML = '';

        for (const [oldId, newId] of Object.entries(section)) {
            const row = document.createElement('tr');
            row.innerHTML = `
                <td><strong>${oldId}</strong></td>
                <td><strong>${newId}</strong></td>
                <td>
                    <button class="btn-secondary" onclick="app.removeIdMapping711('${oldId}')" title="Löschen">
                        <i data-lucide="trash-2" style="width: 16px; height: 16px; color: #ef4444;"></i>
                    </button>
                </td>
            `;
            tbody.appendChild(row);
        }
        if (window.lucide) lucide.createIcons();
    }

    addIdMapping711() {
        if (!this.config) {
            alert('Bitte zuerst eine Konfiguration laden!');
            return;
        }
        const oldInput = document.getElementById('newIdMapOriginal');
        const newInput = document.getElementById('newIdMapTarget');
        const oldId = oldInput.value.trim();
        const newId = newInput.value.trim();

        if (!oldId || !newId) {
            alert('Bitte sowohl die alte als auch die neue ID eingeben.');
            return;
        }

        const ConfigParser = window.EDIBridge.ConfigParser;
        const section = ConfigParser.ensureSection(this.config, 'VDA711_ID_MAPPING');
        section[oldId] = newId;

        oldInput.value = '';
        newInput.value = '';
        this.renderIdMapping711Table();
        this.saveToStorage();
    }

    removeIdMapping711(id) {
        if (!this.config) return;
        const ConfigParser = window.EDIBridge.ConfigParser;
        const section = ConfigParser.getSection(this.config, 'VDA711_ID_MAPPING');
        if (section && section[id]) {
            delete section[id];
            this.renderIdMapping711Table();
            this.saveToStorage();
        }
    }

    // ─── Collect Data ────────────────────────────────────────────────
    collectNADData() {
        const readNAD = (prefix) => ({
            id: document.getElementById(`nad-${prefix}-id`).value.trim(),
            qual: document.getElementById(`nad-${prefix}-qual`).value.trim(),
            name: document.getElementById(`nad-${prefix}-name`).value.trim(),
            name2: document.getElementById(`nad-${prefix}-name2`).value.trim(),
            street: document.getElementById(`nad-${prefix}-street`).value.trim(),
            city: document.getElementById(`nad-${prefix}-city`).value.trim(),
            zip: document.getElementById(`nad-${prefix}-zip`).value.trim(),
            country: document.getElementById(`nad-${prefix}-country`).value.trim()
        });
        return { BY: readNAD('by'), SE: readNAD('se'), ST: readNAD('st'), SF: readNAD('sf') };
    }

    collectWeights() {
        const linWeights = {};
        document.querySelectorAll('.lin-weight-input').forEach(input => {
            const val = parseFloat(input.value);
            if (val) linWeights[input.dataset.suppmat] = val;
        });
        const pacWeights = {};
        document.querySelectorAll('.pac-weight-input').forEach(input => {
            const val = parseFloat(input.value);
            if (val) pacWeights[input.dataset.pacmat] = val;
        });
        const pacDims = {};
        document.querySelectorAll('.pac-ln-input').forEach(input => {
            const key = input.dataset.pacmat;
            const dims = pacDims[key] || { ln: 0, wd: 0, ht: 0 };
            dims.ln = parseFloat(input.value) || dims.ln; pacDims[key] = dims;
        });
        document.querySelectorAll('.pac-wd-input').forEach(input => {
            const key = input.dataset.pacmat;
            const dims = pacDims[key] || { ln: 0, wd: 0, ht: 0 };
            dims.wd = parseFloat(input.value) || dims.wd; pacDims[key] = dims;
        });
        document.querySelectorAll('.pac-ht-input').forEach(input => {
            const key = input.dataset.pacmat;
            const dims = pacDims[key] || { ln: 0, wd: 0, ht: 0 };
            dims.ht = parseFloat(input.value) || dims.ht; pacDims[key] = dims;
        });
        return { linWeights, pacWeights, pacDims };
    }

    // ─── Generate & Download ─────────────────────────────────────────
    generateOutput() {
        if (this.mode === 'outbound-bosch') {
            const VDA4913ToDESADV = window.EDIBridge.VDA4913ToDESADV;
            if (!VDA4913ToDESADV) return;
            const nadData = this.collectNADData();
            const weights = this.collectWeights();
            const edifact = VDA4913ToDESADV.convert(this.rawContent, nadData, weights, this.config);
            this.previewArea.innerText = edifact;
            this.resultSection.style.display = 'block';
            document.getElementById('resultTitle').innerText = 'Bosch DESADV Ergebnis';
            this.resultSection.scrollIntoView({ behavior: 'smooth' });
        } else if (this.mode === 'outbound-zf') {
            const VDA4913ToDESADVZF = window.EDIBridge.VDA4913ToDESADVZF;
            if (!VDA4913ToDESADVZF) {
                console.error("VDA4913ToDESADVZF is not loaded");
                return;
            }
            const nadData = this.collectNADData();
            const weights = this.collectWeights();
            const edifact = VDA4913ToDESADVZF.convert(this.rawContent, nadData, weights, this.config);
            this.previewArea.innerText = edifact;
            this.resultSection.style.display = 'block';
            document.getElementById('resultTitle').innerText = 'ZF DESADV Ergebnis';
            this.resultSection.scrollIntoView({ behavior: 'smooth' });
        } else if (this.mode === 'outbound-ifm') {
            // Already processed in processOutboundIfm
            this.processOutboundIfm(this.rawContent);
        }
    }

    downloadResult() {
        const text = this.previewArea.innerText;
        if (!text) return;

        const blob = new Blob([text], { type: 'text/plain' });
        const url = URL.createObjectURL(blob);
        const a = document.createElement('a');
        a.href = url;

        let base = this.currentFilename || 'output';
        const lastDot = base.lastIndexOf('.');
        if (lastDot !== -1) base = base.substring(0, lastDot);

        const extMap = {
            'outbound-bosch': '.edi',
            'outbound-zf': '.edi',
            'outbound-ifm': '.delvry',
            'inbound-bosch': '.vda',
            'inbound-ifm': '.vda',
            'inbound-invrpt': '.vda',
        };
        a.download = base + (extMap[this.mode] || '.edi');

        a.click();
        URL.revokeObjectURL(url);
    }

    viewResult() {
        const text = this.previewArea.innerText;
        if (!text) return;

        this.showPage('viewer');
        if (this.viewer) {
            this.viewer.processContent(text);
        }
    }

    editResult() {
        const text = this.previewArea.innerText;
        if (!text) return;

        this.showPage('editor');
        if (this.editor) {
            this.editor.fileName = this.currentFilename || 'output.edi';
            this.editor.processContent(text);
        }
    }

    /**
     * Log a conversion to the SQLite history database.
     * @param {Object} opts
     */
    async _logConversion(opts) {
        if (!window.electronAPI || !window.electronAPI.dbInsert) return;
        try {
            await window.electronAPI.dbInsert({
                dateiname: opts.dateiname || this.currentFilename || 'unbekannt',
                ausgangsdateiname: opts.ausgangsdateiname || null,
                quellformat: opts.quellformat || null,
                zielformat: opts.zielformat || null,
                konvertierungsmodus: opts.konvertierungsmodus || this.mode,
                kunden_id: opts.kunden_id || null,
                eingang_daten: opts.eingang_daten || null,
                ausgang_daten: opts.ausgang_daten || null,
                status: opts.status || 'ERFOLGREICH',
                fehlermeldung: opts.fehlermeldung || null,
                quelle: opts.quelle || 'MANUELL'
            });
        } catch (e) {
            console.warn('[DB] Log error:', e);
        }
    }

    // ─── Settings: Folder Selection ──────────────────────────────────
    async selectInputFolder() {
        if (!this.watcher) return;
        const folder = await this.watcher.selectFolder();
        if (folder) {
            document.getElementById('inputDirPath').value = folder;
            this.watcher.saveSettings({
                inputDir: folder,
                outputDir: document.getElementById('outputDirPath').value
            });
        }
    }

    async selectOutputFolder() {
        if (!this.watcher) return;
        const folder = await this.watcher.selectFolder();
        if (folder) {
            document.getElementById('outputDirPath').value = folder;
            this.watcher.saveSettings({
                inputDir: document.getElementById('inputDirPath').value,
                outputDir: folder
            });
        }
    }

    async selectInvrptOutputFolder() {
        if (!this.watcher) return;
        const folder = await this.watcher.selectFolder();
        if (folder) {
            document.getElementById('invrptOutputPath').value = folder;
            this.watcher.saveSettings({ invrptOutputDir: folder });
        }
    }

    // ─── Settings: Watcher Controls ──────────────────────────────────
    async startWatcher() {
        if (!this.watcher) return;
        const inputDir = document.getElementById('inputDirPath').value;
        const outputDir = document.getElementById('outputDirPath').value;
        const invrptOutputDir = document.getElementById('invrptOutputPath').value;

        if (!inputDir || !outputDir) {
            alert('Bitte beide Ordner (Input & Output) angeben.');
            return;
        }

        const result = await this.watcher.start(inputDir, outputDir, invrptOutputDir);
        if (result.error) {
            alert('Watcher-Fehler: ' + result.error);
        }
    }

    async stopWatcher() {
        if (this.watcher) await this.watcher.stop();
    }

    async pauseWatcher() {
        if (this.watcher) await this.watcher.pause();
    }

    async resumeWatcher() {
        if (this.watcher) await this.watcher.resume();
    }

    // ─── Settings: Outbound Watcher Controls ──────────────────────────
    async selectOutboundInput() {
        if (!this.outboundWatcher) return;
        const folder = await window.electronAPI.selectFolder();
        if (folder) {
            document.getElementById('outboundInputPath').value = folder;
            window.electronAPI.saveSettings({
                outboundInputDir: folder
            });
        }
    }

    async selectOutboundOutput() {
        if (!this.outboundWatcher) return;
        const folder = await window.electronAPI.selectFolder();
        if (folder) {
            document.getElementById('outboundOutputPath').value = folder;
            window.electronAPI.saveSettings({
                outboundOutputDir: folder
            });
        }
    }

    async startOutboundWatcher() {
        if (!this.outboundWatcher) return;
        const inPath = document.getElementById('outboundInputPath').value;
        const outPath = document.getElementById('outboundOutputPath').value;
        if (!inPath || !outPath) {
            alert('Bitte beide Pfade für ausgehende Dateien angeben.');
            return;
        }
        await this.outboundWatcher.start(inPath, outPath);
    }

    async stopOutboundWatcher() {
        if (this.outboundWatcher) await this.outboundWatcher.stop();
    }

    async pauseOutboundWatcher() {
        if (this.outboundWatcher) await this.outboundWatcher.pause();
    }

    async resumeOutboundWatcher() {
        if (this.outboundWatcher) await this.outboundWatcher.resume();
    }

    updateOutboundWatcherUI(status) {
        const dot = document.getElementById('outboundWatcherDot');
        const text = document.getElementById('outboundWatcherStatusText');
        const btnStart = document.getElementById('btnStartOutboundWatcher');
        const btnPause = document.getElementById('btnPauseOutboundWatcher');
        const btnResume = document.getElementById('btnResumeOutboundWatcher');
        const btnStop = document.getElementById('btnStopOutboundWatcher');

        dot.className = 'watcher-status-dot';
        switch (status) {
            case 'running':
                dot.classList.add('running');
                text.textContent = 'Aktiv – Läuft';
                btnStart.disabled = true;
                btnPause.disabled = false;
                btnPause.style.display = '';
                btnResume.style.display = 'none';
                btnStop.disabled = false;
                break;
            case 'paused':
                dot.classList.add('paused');
                text.textContent = 'Pausiert';
                btnStart.disabled = true;
                btnPause.style.display = 'none';
                btnResume.style.display = '';
                btnStop.disabled = false;
                break;
            case 'stopped':
            default:
                dot.classList.add('stopped');
                text.textContent = 'Gestoppt';
                btnStart.disabled = false;
                btnPause.disabled = true;
                btnPause.style.display = '';
                btnResume.style.display = 'none';
                btnStop.disabled = true;
                break;
        }
        if (window.lucide) try { lucide.createIcons(); } catch (e) { }
    }

    // ─── Settings: Werksnummer Watcher Controls ──────────────────────
    async selectWerksInput() {
        if (!this.werksWatcher) return;
        const folder = await window.electronAPI.selectFolder();
        if (folder) {
            document.getElementById('werksInputPath').value = folder;
            window.electronAPI.saveSettings({
                werksInputDir: folder
            });
        }
    }

    async selectWerksOutput() {
        if (!this.werksWatcher) return;
        const folder = await window.electronAPI.selectFolder();
        if (folder) {
            document.getElementById('werksOutputPath').value = folder;
            window.electronAPI.saveSettings({
                werksOutputDir: folder
            });
        }
    }

    async startWerksWatcher() {
        if (!this.werksWatcher) return;
        const inPath = document.getElementById('werksInputPath').value;
        const outPath = document.getElementById('werksOutputPath').value;
        if (!inPath || !outPath) {
            alert('Bitte beide Werks-Pfade angeben.');
            return;
        }
        await this.werksWatcher.start(inPath, outPath);
    }

    async stopWerksWatcher() {
        if (this.werksWatcher) await this.werksWatcher.stop();
    }

    async pauseWerksWatcher() {
        if (this.werksWatcher) await this.werksWatcher.pause();
    }

    async resumeWerksWatcher() {
        if (this.werksWatcher) await this.werksWatcher.resume();
    }

    updateWerksWatcherUI(status) {
        const dot = document.getElementById('werksWatcherDot');
        const text = document.getElementById('werksWatcherStatusText');
        const btnStart = document.getElementById('btnStartWerksWatcher');
        const btnPause = document.getElementById('btnPauseWerksWatcher');
        const btnResume = document.getElementById('btnResumeWerksWatcher');
        const btnStop = document.getElementById('btnStopWerksWatcher');

        dot.className = 'watcher-status-dot';
        switch (status) {
            case 'running':
                dot.classList.add('running');
                text.textContent = 'Aktiv – Läuft';
                btnStart.disabled = true;
                btnPause.disabled = false;
                btnPause.style.display = '';
                btnResume.style.display = 'none';
                btnStop.disabled = false;
                break;
            case 'paused':
                dot.classList.add('paused');
                text.textContent = 'Pausiert';
                btnStart.disabled = true;
                btnPause.style.display = 'none';
                btnResume.style.display = '';
                btnStop.disabled = false;
                break;
            case 'stopped':
            default:
                dot.classList.add('stopped');
                text.textContent = 'Gestoppt';
                btnStart.disabled = false;
                btnPause.disabled = true;
                btnPause.style.display = '';
                btnResume.style.display = 'none';
                btnStop.disabled = true;
                break;
        }
        if (window.lucide) try { lucide.createIcons(); } catch (e) { }
    }

    updateWatcherUI(status) {
        const dot = document.getElementById('watcherDot');
        const text = document.getElementById('watcherStatusText');
        const btnStart = document.getElementById('btnStartWatcher');
        const btnPause = document.getElementById('btnPauseWatcher');
        const btnResume = document.getElementById('btnResumeWatcher');
        const btnStop = document.getElementById('btnStopWatcher');

        // Reset
        dot.className = 'watcher-status-dot';

        switch (status) {
            case 'running':
                dot.classList.add('running');
                text.textContent = 'Aktiv – Überwachung läuft';
                btnStart.disabled = true;
                btnPause.disabled = false;
                btnPause.style.display = '';
                btnResume.style.display = 'none';
                btnStop.disabled = false;
                break;
            case 'paused':
                dot.classList.add('paused');
                text.textContent = 'Pausiert';
                btnStart.disabled = true;
                btnPause.style.display = 'none';
                btnResume.style.display = '';
                btnStop.disabled = false;
                break;
            case 'stopped':
            default:
                dot.classList.add('stopped');
                text.textContent = 'Gestoppt';
                btnStart.disabled = false;
                btnPause.disabled = true;
                btnPause.style.display = '';
                btnResume.style.display = 'none';
                btnStop.disabled = true;
                break;
        }

        if (window.lucide) try { lucide.createIcons(); } catch (e) { }
    }

    // ─── Log ─────────────────────────────────────────────────────────
    appendLogEntry(entry) {
        const container = document.getElementById('logContainer');
        if (!container) return;

        // Remove empty message if present
        const empty = container.querySelector('.log-empty');
        if (empty) empty.remove();

        const el = document.createElement('div');
        el.className = 'log-entry log-' + entry.level;
        el.innerHTML = `
            <span class="log-time">${entry.time}</span>
            <span class="log-level">${entry.level.toUpperCase()}</span>
            ${entry.fileName ? `<span class="log-file">${entry.fileName}</span>` : ''}
            <span class="log-msg">${entry.message}</span>
        `;
        container.prepend(el);
    }

    clearLog() {
        const container = document.getElementById('logContainer');
        if (container) {
            container.innerHTML = '<div class="log-empty">Noch keine Aktivitäten.</div>';
        }
        if (this.watcher) this.watcher.log = [];
    }
}

window.EDIBridge.App = App;