/**
 * Platform Settings model for Stack.Gallery Registry
 * Singleton model storing global platform configuration
 */

import * as plugins from '../plugins.ts';
import type { IPlatformSettings, IPlatformAuthSettings } from '../interfaces/auth.interfaces.ts';
import { db } from './db.ts';

const DEFAULT_AUTH_SETTINGS: IPlatformAuthSettings = {
  localAuthEnabled: true,
  allowUserRegistration: true,
  sessionDurationMinutes: 10080, // 7 days
};

@plugins.smartdata.Collection(() => db)
export class PlatformSettings
  extends plugins.smartdata.SmartDataDbDoc<PlatformSettings, PlatformSettings>
  implements IPlatformSettings
{
  @plugins.smartdata.unI()
  public id: string = 'singleton';

  @plugins.smartdata.svDb()
  public auth: IPlatformAuthSettings = DEFAULT_AUTH_SETTINGS;

  @plugins.smartdata.svDb()
  public updatedAt: Date = new Date();

  @plugins.smartdata.svDb()
  public updatedById?: string;

  /**
   * Get the singleton settings instance (creates if not exists)
   */
  public static async get(): Promise<PlatformSettings> {
    let settings = await PlatformSettings.getInstance({ id: 'singleton' });
    if (!settings) {
      settings = new PlatformSettings();
      settings.id = 'singleton';
      settings.auth = DEFAULT_AUTH_SETTINGS;
      settings.updatedAt = new Date();
      await settings.save();
      console.log('[PlatformSettings] Created default settings');
    }
    return settings;
  }

  /**
   * Update auth settings
   */
  public async updateAuthSettings(
    settings: Partial<IPlatformAuthSettings>,
    updatedById?: string
  ): Promise<void> {
    this.auth = { ...this.auth, ...settings };
    this.updatedAt = new Date();
    this.updatedById = updatedById;
    await this.save();
  }

  /**
   * Check if local auth is enabled
   */
  public isLocalAuthEnabled(): boolean {
    return this.auth.localAuthEnabled;
  }

  /**
   * Check if registration is allowed
   */
  public isRegistrationAllowed(): boolean {
    return this.auth.allowUserRegistration;
  }

  /**
   * Get default provider ID (for auto-redirect)
   */
  public getDefaultProviderId(): string | undefined {
    return this.auth.defaultProviderId;
  }

  /**
   * Lifecycle hook: Ensure singleton ID
   */
  public async beforeSave(): Promise<void> {
    this.id = 'singleton';
    this.updatedAt = new Date();
  }
}