import { Module } from '@nestjs/common';
import { AuditModule } from '../audit/audit.module.js';
import { AppConfigService } from '../config/app-config.service.js';
import { PermissionsModule } from '../permissions/permissions.module.js';
import { HanaAdapter } from './hana.adapter.js';
import { SapDbController } from './sapdb.controller.js';
import { SapDbService } from './sapdb.service.js';
import { SAPDB_ADAPTER, type SapDbAdapter } from './sapdb.types.js';

/** Consultas de solo lectura a la base de SAP B1 (hoy HANA): su propia cola y sus propias consultas registradas. */
@Module({
  imports: [AuditModule, PermissionsModule],
  controllers: [SapDbController],
  exports: [SapDbService],
  providers: [
    {
      provide: SAPDB_ADAPTER,
      inject: [AppConfigService],
      // sin motor configurado no hay adaptador: el servicio responde 503 y el resto de la API sigue igual
      useFactory: (config: AppConfigService): SapDbAdapter | null =>
        config.get('SAPDB_ENGINE') === 'hana'
          ? new HanaAdapter({
              host: config.get('SAPDB_HOST')!,
              port: config.get('SAPDB_PORT'),
              user: config.get('SAPDB_USER')!,
              password: config.get('SAPDB_PASSWORD')!,
              schema: config.get('SAPDB_SCHEMA')!,
              tls: config.get('SAPDB_TLS'),
              caFile: config.get('SAPDB_CA_FILE'),
              verifySsl: config.get('SAPDB_VERIFY_SSL'),
            })
          : null,
    },
    SapDbService,
  ],
})
export class SapDbModule {}