import { Module } from '@nestjs/common';
import { AppController } from './app.controller';
import { TypeOrmModule } from '@nestjs/typeorm';
import { MerchantsModule } from './merchants/merchants.module';
import { TagsModule } from './tags/tags.module';
import { CategoriesModule } from './categories/categories.module';
import { SubCategoriesModule } from './sub-categories/sub-categories.module';
import { ExpensesModule } from './expenses/expenses.module';
import { ConfigModule, ConfigService } from '@nestjs/config';

@Module({
  imports: [
    TypeOrmModule.forRootAsync({
      imports: [ConfigModule],
      inject: [ConfigService],
      useFactory: (configService: ConfigService) => {
        const type = configService.get<'sqlite' | 'postgres'>('DB_TYPE') ?? 'sqlite';
        const synchronize = configService.get<boolean>('DB_SYNC') ?? true;
        const autoLoadEntities = true;
        const database = type === 'sqlite' ? 'common-cents.db' : 'common-cents';

        const defaults = { type, database, synchronize, autoLoadEntities };

        if (type === 'postgres') {
          return {
            ...defaults,
            host: configService.get<string>('PG_HOST') ?? 'localhost',
            port: configService.get<number>('PG_PORT') ?? 5432,
            username: configService.get<string>('PG_USER') ?? 'common-cents',
            password: configService.get<string>('PG_PASS') ?? 'CommonCents_123!'
          };
        }

        return defaults;
      }
    }),
    MerchantsModule,
    TagsModule,
    CategoriesModule,
    SubCategoriesModule,
    ExpensesModule
  ],
  controllers: [AppController]
})
export class AppModule { }