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ts/config/config-manager.ts

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+/**
+ * Configuration Manager
+ * Handles configuration storage and retrieval
+ */
+
+import * as plugins from '../plugins.ts';
+
+export interface IMailerConfig {
+  domains: IDomainConfig[];
+  apiKeys: string[];
+  smtpPort: number;
+  apiPort: number;
+  hostname: string;
+}
+
+export interface IDomainConfig {
+  domain: string;
+  dnsMode: 'forward' | 'internal-dns' | 'external-dns';
+  cloudflare?: {
+    apiToken: string;
+  };
+}
+
+export class ConfigManager {
+  private configPath: string;
+  private config: IMailerConfig | null = null;
+
+  constructor(configPath?: string) {
+    this.configPath = configPath || plugins.path.join(Deno.env.get('HOME') || '/root', '.mailer', 'config.json');
+  }
+
+  /**
+   * Load configuration from disk
+   */
+  async load(): Promise<IMailerConfig> {
+    try {
+      const data = await Deno.readTextFile(this.configPath);
+      this.config = JSON.parse(data);
+      return this.config!;
+    } catch (error) {
+      // Return default config if file doesn't exist
+      this.config = this.getDefaultConfig();
+      return this.config;
+    }
+  }
+
+  /**
+   * Save configuration to disk
+   */
+  async save(config: IMailerConfig): Promise<void> {
+    this.config = config;
+
+    // Ensure directory exists
+    const dir = plugins.path.dirname(this.configPath);
+    await Deno.mkdir(dir, { recursive: true });
+
+    // Write config
+    await Deno.writeTextFile(this.configPath, JSON.stringify(config, null, 2));
+  }
+
+  /**
+   * Get current configuration
+   */
+  getConfig(): IMailerConfig {
+    if (!this.config) {
+      throw new Error('Configuration not loaded. Call load() first.');
+    }
+    return this.config;
+  }
+
+  /**
+   * Get default configuration
+   */
+  private getDefaultConfig(): IMailerConfig {
+    return {
+      domains: [],
+      apiKeys: [],
+      smtpPort: 25,
+      apiPort: 8080,
+      hostname: 'localhost',
+    };
+  }
+}