import { Module } from '@nestjs/common';
import { ConfigService } from '@nestjs/config';
import { MongooseModule } from '@nestjs/mongoose';
import {
  IdentityProvider,
  SessionCache,
  UserRegistry,
} from '@task-stream/api/identity/application';
import { UserFactory } from '@task-stream/api/identity/domain';
import { MongoUserRegistry } from './mongo/mongo-user.registry';
import { UserDocument, UserSchema } from './mongo/user.schema';
import { PIREON_CONFIG, PireonConfig } from './pireon/pireon.config';
import { PireonIdentityProvider } from './pireon/pireon-identity.provider';
import { RedisSessionCache } from './redis/redis-session.cache';

/** Driven adapters of the identity context: Pireon (HTTP), Redis and MongoDB. */
@Module({
  imports: [
    MongooseModule.forFeature([
      { name: UserDocument.name, schema: UserSchema },
    ]),
  ],
  providers: [
    UserFactory,
    {
      provide: PIREON_CONFIG,
      inject: [ConfigService],
      useFactory: (config: ConfigService): PireonConfig => ({
        baseUrl: config.getOrThrow<string>('PIREON_BASE_URL'),
        sessionTtlSeconds: Number(config.get('AUTH_SESSION_TTL_SECONDS', 60)),
        requestTimeoutMs: Number(config.get('PIREON_TIMEOUT_MS', 5000)),
        clientId: config.get<string>('PIREON_CLIENT_ID') || undefined,
        clientSecret: config.get<string>('PIREON_CLIENT_SECRET') || undefined,
        passwordClientId:
          config.get<string>('PIREON_PASSWORD_CLIENT_ID') || undefined,
        passwordClientSecret:
          config.get<string>('PIREON_PASSWORD_CLIENT_SECRET') || undefined,
        scopes: String(config.get('PIREON_SCOPES', 'users:read'))
          .split(/\s+/)
          .filter(Boolean),
        passwordGrant:
          String(config.get('PIREON_PASSWORD_GRANT', 'true')) !== 'false',
      }),
    },
    { provide: IdentityProvider, useClass: PireonIdentityProvider },
    { provide: SessionCache, useClass: RedisSessionCache },
    { provide: UserRegistry, useClass: MongoUserRegistry },
  ],
  exports: [IdentityProvider, SessionCache, UserRegistry],
})
export class IdentityInfrastructureModule {}