/**
 * WerksWatcherBridge – Frontend logic for the Werksnummer renaming watcher.
 */
window.EDIBridge = window.EDIBridge || {};

class WerksWatcherBridge {
    constructor() {
        this.status = 'stopped';
        this.onStatusChange = null;
        this.onLogEntry = null;

        this._setupListeners();
    }

    _setupListeners() {
        if (!window.electronAPI) return;

        window.electronAPI.onWerksFileProcessed((data) => {
            this._addLog('success', data.fileName, `Werk erkannt: ${data.plant} → ${data.newName}`);
        });

        window.electronAPI.onWerksWatcherError((data) => {
            this._addLog('error', data.fileName || '', data.error || 'Fehler beim Umbenennen');
        });

        window.electronAPI.onWerksWatcherReady((data) => {
            this._addLog('info', '', `Werks-Watcher bereit. Überwache: ${data.inputDir}`);
        });
    }

    _addLog(level, fileName, message) {
        if (this.onLogEntry) {
            this.onLogEntry({
                time: new Date().toLocaleTimeString('de-DE'),
                level,
                fileName,
                message: `[WerksWatcher] ${message}`
            });
        }
    }

    async start(inputDir, outputDir) {
        if (!window.electronAPI) return { error: 'Electron erforderlich' };
        const result = await window.electronAPI.startWerksWatcher({ inputDir, outputDir });
        if (result.success) {
            this.status = 'running';
            if (this.onStatusChange) this.onStatusChange(this.status);
        }
        return result;
    }

    async stop() {
        if (!window.electronAPI) return;
        const result = await window.electronAPI.stopWerksWatcher();
        if (result.success) {
            this.status = 'stopped';
            if (this.onStatusChange) this.onStatusChange(this.status);
        }
        return result;
    }

    async pause() {
        if (!window.electronAPI) return;
        const result = await window.electronAPI.pauseWerksWatcher();
        if (result.success) {
            this.status = 'paused';
            if (this.onStatusChange) this.onStatusChange(this.status);
        }
        return result;
    }

    async resume() {
        if (!window.electronAPI) return;
        const result = await window.electronAPI.resumeWerksWatcher();
        if (result.success) {
            this.status = 'running';
            if (this.onStatusChange) this.onStatusChange(this.status);
        }
        return result;
    }

    isElectron() {
        return !!window.electronAPI;
    }
}

window.EDIBridge.WerksWatcherBridge = WerksWatcherBridge;