/**
 * DeviceRepository - Interface pour la gestion des appareils
 * Sépare la logique métier de l'accès aux données
 */
import { Device } from '../../pkg/sdk_client';
import { secureLogger } from '../services/secure-logger';

/* eslint-disable no-unused-vars */
export interface DeviceRepository {
  getDevice(): Promise<Device | null>;
  saveDevice(_device: Device): Promise<void>;
  deleteDevice(): Promise<void>;
  hasDevice(): Promise<boolean>;
  getDeviceAddress(): Promise<string | null>;
  updateDevice(_device: Partial<Device>): Promise<void>;
}
/* eslint-enable no-unused-vars */

export class DeviceRepositoryImpl implements DeviceRepository {
  constructor(private database: any) {} // database used via methods

  async getDevice(): Promise<Device | null> {
    try {
      const device = await this.database.get('devices', 'current');
      if (device) {
        secureLogger.debug('Device retrieved from database', {
          component: 'DeviceRepository',
          operation: 'getDevice',
          hasAddress: !!device.sp_wallet?.address
        });
        return this.deserializeDevice(device);
      }
      return null;
    } catch (error) {
      secureLogger.error('Failed to get device from database', error as Error, {
        component: 'DeviceRepository',
        operation: 'getDevice'
      });
      return null;
    }
  }

  async saveDevice(device: Device): Promise<void> {
    try {
      const serialized = this.serializeDevice(device);
      await this.database.put('devices', serialized, 'current');

      secureLogger.info('Device saved to database', {
        component: 'DeviceRepository',
        operation: 'saveDevice',
        hasAddress: !!device.sp_wallet?.address
      });
    } catch (error) {
      secureLogger.error('Failed to save device to database', error as Error, {
        component: 'DeviceRepository',
        operation: 'saveDevice'
      });
      throw error;
    }
  }

  async deleteDevice(): Promise<void> {
    try {
      await this.database.delete('devices', 'current');

      secureLogger.info('Device deleted from database', {
        component: 'DeviceRepository',
        operation: 'deleteDevice'
      });
    } catch (error) {
      secureLogger.error('Failed to delete device from database', error as Error, {
        component: 'DeviceRepository',
        operation: 'deleteDevice'
      });
      throw error;
    }
  }

  async hasDevice(): Promise<boolean> {
    try {
      const device = await this.getDevice();
      return device !== null;
    } catch (error) {
      secureLogger.error('Failed to check if device exists', error as Error, {
        component: 'DeviceRepository',
        operation: 'hasDevice'
      });
      return false;
    }
  }

  async getDeviceAddress(): Promise<string | null> {
    try {
      const device = await this.getDevice();
      return device?.sp_wallet?.address || null;
    } catch (error) {
      secureLogger.error('Failed to get device address', error as Error, {
        component: 'DeviceRepository',
        operation: 'getDeviceAddress'
      });
      return null;
    }
  }

  async updateDevice(updates: Partial<Device>): Promise<void> {
    try {
      const currentDevice = await this.getDevice();
      if (!currentDevice) {
        throw new Error('No device found to update');
      }

      const updatedDevice = { ...currentDevice, ...updates };
      await this.saveDevice(updatedDevice);

      secureLogger.info('Device updated in database', {
        component: 'DeviceRepository',
        operation: 'updateDevice',
        updatedFields: Object.keys(updates)
      });
    } catch (error) {
      secureLogger.error('Failed to update device', error as Error, {
        component: 'DeviceRepository',
        operation: 'updateDevice'
      });
      throw error;
    }
  }

  /**
   * Sérialise un appareil pour le stockage
   */
  private serializeDevice(device: Device): any {
    return {
      ...device,
      // Ne pas exposer les clés privées dans les logs
      sp_wallet: device.sp_wallet ? {
        ...device.sp_wallet,
        private_key: '[REDACTED]' // Masquer la clé privée
      } : undefined
    };
  }

  /**
   * Désérialise un appareil depuis le stockage
   */
  private deserializeDevice(serialized: any): Device {
    return {
      ...serialized,
      // Restaurer la clé privée si elle existe
      sp_wallet: serialized.sp_wallet ? {
        ...serialized.sp_wallet,
        private_key: serialized.sp_wallet.private_key === '[REDACTED]'
          ? undefined
          : serialized.sp_wallet.private_key
      } : undefined
    };
  }
}