/**
 * CLI Configuration Management
 */

import Configstore from 'configstore';
import { OllamaConfig } from '@fsfalmansour/neohub-core';

interface CLIConfig {
  ollama: OllamaConfig;
  user?: {
    id: string;
    email: string;
    apiKey?: string;
  };
  preferences: {
    autoContext: boolean;
    maxContextFiles: number;
    theme: 'auto' | 'dark' | 'light';
  };
}

const DEFAULT_CONFIG: CLIConfig = {
  ollama: {
    baseUrl: 'http://localhost:11434',
    model: 'deepseek-coder:33b',
    timeout: 60000,
  },
  preferences: {
    autoContext: true,
    maxContextFiles: 10,
    theme: 'auto',
  },
};

export class ConfigManager {
  private store: Configstore;

  constructor() {
    this.store = new Configstore('neohub', DEFAULT_CONFIG);
  }

  /**
   * Get full configuration
   */
  getConfig(): CLIConfig {
    return this.store.all as CLIConfig;
  }

  /**
   * Get Ollama configuration
   */
  getOllamaConfig(): OllamaConfig {
    return this.store.get('ollama') as OllamaConfig;
  }

  /**
   * Set Ollama configuration
   */
  setOllamaConfig(config: Partial<OllamaConfig>): void {
    const current = this.getOllamaConfig();
    this.store.set('ollama', { ...current, ...config });
  }

  /**
   * Get user configuration
   */
  getUser(): CLIConfig['user'] | undefined {
    return this.store.get('user') as CLIConfig['user'] | undefined;
  }

  /**
   * Set user configuration
   */
  setUser(user: CLIConfig['user']): void {
    this.store.set('user', user);
  }

  /**
   * Get preferences
   */
  getPreferences(): CLIConfig['preferences'] {
    return this.store.get('preferences') as CLIConfig['preferences'];
  }

  /**
   * Set preference
   */
  setPreference<K extends keyof CLIConfig['preferences']>(
    key: K,
    value: CLIConfig['preferences'][K]
  ): void {
    this.store.set(`preferences.${key}`, value);
  }

  /**
   * Reset to defaults
   */
  reset(): void {
    this.store.clear();
    this.store.all = DEFAULT_CONFIG;
  }

  /**
   * Get config file path
   */
  getConfigPath(): string {
    return this.store.path;
  }
}