polyv-live-cli/dist/config/config-manager.js

CLI tool for managing PolyV live streaming services.

"use strict";
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    if (k2 === undefined) k2 = k;
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    Object.defineProperty(o, "default", { enumerable: true, value: v });
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    o["default"] = v;
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Object.defineProperty(exports, "__esModule", { value: true });
exports.configManager = exports.ConfigManager = void 0;
const events_1 = require("events");
const fs = __importStar(require("fs"));
const path = __importStar(require("path"));
const os = __importStar(require("os"));
const errors_1 = require("../utils/errors");
class ConfigManager extends events_1.EventEmitter {
    constructor(options = {}) {
        super();
        this.lastSaveTime = 0;
        this.options = {
            configDir: options.configDir || path.join(os.homedir(), '.polyv-live-cli'),
            autoSave: options.autoSave ?? true,
            backupConfig: options.backupConfig ?? true,
            watchFiles: options.watchFiles ?? true,
        };
        this.configDir = this.options.configDir;
        this.configFile = path.join(this.configDir, 'monitoring.json');
        this.backupDir = path.join(this.configDir, 'backups');
        this.config = this.getDefaultConfig();
        this.ensureDirectories();
        if (this.options.watchFiles) {
            this.setupFileWatcher();
        }
    }
    async load() {
        try {
            if (fs.existsSync(this.configFile)) {
                const fileContent = await fs.promises.readFile(this.configFile, 'utf8');
                const loadedConfig = JSON.parse(fileContent);
                const validation = this.validate(loadedConfig);
                if (!validation.valid) {
                    throw new errors_1.ConfigurationError(`Invalid configuration: ${validation.errors.join(', ')}`);
                }
                this.config = this.mergeWithDefaults(loadedConfig);
                await this.migrateIfNeeded();
                this.emit('config:loaded', this.config);
                return this.config;
            }
            else {
                await this.save(this.config);
                this.emit('config:created', this.config);
                return this.config;
            }
        }
        catch (error) {
            if (error instanceof errors_1.ConfigurationError) {
                throw error;
            }
            throw new errors_1.ConfigurationError(`Failed to load configuration: ${error instanceof Error ? error.message : String(error)}`);
        }
    }
    async save(config) {
        const configToSave = config || this.config;
        try {
            const validation = this.validate(configToSave);
            if (!validation.valid) {
                throw new errors_1.ConfigurationError(`Cannot save invalid configuration: ${validation.errors.join(', ')}`);
            }
            if (this.options.backupConfig && fs.existsSync(this.configFile)) {
                await this.createBackup('auto-save');
            }
            this.config = configToSave;
            const configJson = JSON.stringify(configToSave, null, 2);
            await fs.promises.writeFile(this.configFile, configJson, 'utf8');
            this.lastSaveTime = Date.now();
            this.emit('config:saved', configToSave);
        }
        catch (error) {
            if (error instanceof errors_1.ConfigurationError) {
                throw error;
            }
            throw new errors_1.ConfigurationError(`Failed to save configuration: ${error instanceof Error ? error.message : String(error)}`);
        }
    }
    async update(updates) {
        const newConfig = this.merge(this.config, updates);
        const validation = this.validate(newConfig);
        if (!validation.valid) {
            throw new errors_1.ConfigurationError(`Invalid configuration update: ${validation.errors.join(', ')}`);
        }
        const previousConfig = { ...this.config };
        this.config = newConfig;
        if (this.options.autoSave) {
            if (this.saveDebounceTimer) {
                clearTimeout(this.saveDebounceTimer);
            }
            this.saveDebounceTimer = setTimeout(async () => {
                try {
                    await this.save();
                }
                catch (error) {
                    this.emit('error', error);
                    this.config = previousConfig;
                    throw error;
                }
            }, 500);
        }
        this.emit('config:updated', newConfig, updates);
    }
    async reset(selective) {
        try {
            if (this.options.backupConfig) {
                await this.createBackup('reset');
            }
            const defaultConfig = this.getDefaultConfig();
            if (selective && selective.length > 0) {
                const newConfig = { ...this.config };
                for (const key of selective) {
                    if (key in defaultConfig) {
                        newConfig[key] = defaultConfig[key];
                    }
                }
                await this.update(newConfig);
            }
            else {
                this.config = defaultConfig;
                await this.save();
            }
            this.emit('config:reset', this.config, selective);
        }
        catch (error) {
            throw new errors_1.ConfigurationError(`Failed to reset configuration: ${error instanceof Error ? error.message : String(error)}`);
        }
    }
    getConfig() {
        return JSON.parse(JSON.stringify(this.config));
    }
    validate(config) {
        const errors = [];
        const warnings = [];
        if (!config.version || typeof config.version !== 'string') {
            errors.push('Configuration version is required and must be a string');
        }
        if (!config.theme || typeof config.theme !== 'string') {
            errors.push('Theme is required and must be a string');
        }
        if (!config.layout || typeof config.layout !== 'string') {
            errors.push('Layout is required and must be a string');
        }
        if (typeof config.refreshInterval !== 'number' || config.refreshInterval < 1000) {
            errors.push('Refresh interval must be a number >= 1000ms');
        }
        if (!Array.isArray(config.components)) {
            errors.push('Components must be an array');
        }
        else {
            config.components.forEach((component, index) => {
                if (!component.type || typeof component.type !== 'string') {
                    errors.push(`Component ${index}: type is required and must be a string`);
                }
                if (!component.position || typeof component.position !== 'object') {
                    errors.push(`Component ${index}: position is required and must be an object`);
                }
                if (typeof component.visible !== 'boolean') {
                    errors.push(`Component ${index}: visible must be a boolean`);
                }
            });
        }
        if (config.customThemes && !Array.isArray(config.customThemes)) {
            errors.push('Custom themes must be an array');
        }
        if (config.customLayouts && !Array.isArray(config.customLayouts)) {
            errors.push('Custom layouts must be an array');
        }
        if (config.preferences && typeof config.preferences !== 'object') {
            errors.push('Preferences must be an object');
        }
        if (config.refreshInterval < 2000) {
            warnings.push('Refresh interval below 2000ms may impact performance');
        }
        if (config.components && config.components.length > 10) {
            warnings.push('More than 10 components may impact performance');
        }
        return {
            valid: errors.length === 0,
            errors,
            warnings,
        };
    }
    merge(target, source) {
        const result = { ...target };
        for (const key in source) {
            if (Object.prototype.hasOwnProperty.call(source, key)) {
                const sourceValue = source[key];
                const targetValue = result[key];
                if (sourceValue &&
                    typeof sourceValue === 'object' &&
                    !Array.isArray(sourceValue) &&
                    targetValue &&
                    typeof targetValue === 'object' &&
                    !Array.isArray(targetValue)) {
                    result[key] = this.merge(targetValue, sourceValue);
                }
                else {
                    result[key] = sourceValue;
                }
            }
        }
        return result;
    }
    async createBackup(reason) {
        const timestamp = new Date();
        const backupFileName = `monitoring-${timestamp.toISOString().replace(/[:.]/g, '-')}.json`;
        const backupFilePath = path.join(this.backupDir, backupFileName);
        const backup = {
            timestamp,
            version: this.config.version,
            config: this.config,
            reason,
        };
        await fs.promises.writeFile(backupFilePath, JSON.stringify(backup, null, 2), 'utf8');
        await this.cleanupBackups();
        this.emit('config:backup-created', backup);
        return backup;
    }
    async cleanupBackups() {
        try {
            const files = await fs.promises.readdir(this.backupDir);
            const backupFiles = files
                .filter(file => file.startsWith('monitoring-') && file.endsWith('.json'))
                .map(file => ({
                name: file,
                path: path.join(this.backupDir, file),
                stat: fs.statSync(path.join(this.backupDir, file)),
            }))
                .sort((a, b) => b.stat.mtime.getTime() - a.stat.mtime.getTime());
            const filesToDelete = backupFiles.slice(10);
            for (const file of filesToDelete) {
                await fs.promises.unlink(file.path);
            }
        }
        catch (error) {
            this.emit('error', new Error(`Failed to cleanup backups: ${error}`));
        }
    }
    ensureDirectories() {
        try {
            if (!fs.existsSync(this.configDir)) {
                fs.mkdirSync(this.configDir, { recursive: true });
            }
            if (!fs.existsSync(this.backupDir)) {
                fs.mkdirSync(this.backupDir, { recursive: true });
            }
        }
        catch (error) {
            throw new errors_1.ConfigurationError(`Failed to create configuration directories: ${error}`);
        }
    }
    setupFileWatcher() {
        try {
            this.fileWatcher = fs.watch(this.configFile, (eventType) => {
                if (eventType === 'change') {
                    const now = Date.now();
                    if (now - this.lastSaveTime > 1000) {
                        this.load().catch(error => {
                            this.emit('error', new Error(`Failed to reload config: ${error}`));
                        });
                    }
                }
            });
        }
        catch (error) {
            this.emit('warning', new Error(`File watching not available: ${error}`));
        }
    }
    async migrateIfNeeded() {
        const currentVersion = this.config.version;
        const latestVersion = this.getDefaultConfig().version;
        if (currentVersion !== latestVersion) {
            await this.createBackup(`migration-from-${currentVersion}-to-${latestVersion}`);
            this.config = this.mergeWithDefaults(this.config);
            this.config.version = latestVersion;
            await this.save();
            this.emit('config:migrated', currentVersion, latestVersion);
        }
    }
    mergeWithDefaults(config) {
        return this.merge(this.getDefaultConfig(), config);
    }
    getDefaultConfig() {
        return {
            version: '1.0.0',
            theme: 'default',
            layout: 'default',
            refreshInterval: 5000,
            components: [
                {
                    type: 'stream-metrics',
                    position: { x: 0, y: 0, width: 8, height: 6 },
                    size: { minWidth: 40, minHeight: 15 },
                    config: {
                        showBitrate: true,
                        showFps: true,
                        showViewers: true,
                        showUptime: true,
                        refreshInterval: 5000,
                    },
                    visible: true,
                    priority: 1,
                },
                {
                    type: 'channel-status',
                    position: { x: 8, y: 0, width: 4, height: 6 },
                    size: { minWidth: 30, minHeight: 15 },
                    config: {
                        showInactive: true,
                        maxChannels: 20,
                        sortBy: 'activity',
                        refreshInterval: 10000,
                    },
                    visible: true,
                    priority: 2,
                },
                {
                    type: 'system-resources',
                    position: { x: 0, y: 6, width: 6, height: 6 },
                    size: { minWidth: 30, minHeight: 15 },
                    config: {
                        showCpu: true,
                        showMemory: true,
                        showNetwork: true,
                        showDisk: false,
                        refreshInterval: 2000,
                    },
                    visible: true,
                    priority: 3,
                },
                {
                    type: 'alert-panel',
                    position: { x: 6, y: 6, width: 6, height: 6 },
                    size: { minWidth: 30, minHeight: 15 },
                    config: {
                        maxAlerts: 50,
                        showTimestamp: true,
                        autoScroll: true,
                    },
                    visible: true,
                    priority: 4,
                },
            ],
            customThemes: [],
            customLayouts: [],
            preferences: {
                autoSave: true,
                confirmActions: true,
                showHelp: true,
                keyboardShortcuts: true,
                animationSpeed: 'normal',
                soundEnabled: false,
                compactMode: false,
                showTimestamps: true,
                maxHistoryItems: 100,
            },
        };
    }
    destroy() {
        if (this.fileWatcher) {
            this.fileWatcher.close();
        }
        if (this.saveDebounceTimer) {
            clearTimeout(this.saveDebounceTimer);
        }
        this.removeAllListeners();
    }
}
exports.ConfigManager = ConfigManager;
exports.configManager = new ConfigManager();
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