import { Module } from '@nestjs/common';
import { ConfigModule, ConfigService, registerAs } from '@nestjs/config';
import { APP_GUARD } from '@nestjs/core';
import { ThrottlerGuard, ThrottlerModule } from '@nestjs/throttler';
import { TypeOrmModule } from '@nestjs/typeorm';
import { getAltchaConfig, getAppConfig, getPostgresConfig } from './config';
import { validate } from './config/validate';
import { AltchaModule } from './modules/altcha/AltchaModule';
import { HealthCheckModule } from './modules/healthCheck/HealthCheckModule';
import { StorageModule } from './modules/storage/StorageModule';
import { UploadModule } from './modules/upload/UploadModule';
import { Config } from './types/Config';

@Module({
    imports: [
        ConfigModule.forRoot({
            isGlobal: true,
            validate,
            load: [
                registerAs('postgres', getPostgresConfig),
                registerAs('app', getAppConfig),
                registerAs('altcha', getAltchaConfig)
            ]
        }),
        ThrottlerModule.forRootAsync({
            inject: [ConfigService],
            useFactory: (configService: ConfigService) => {
                const { throttle } = configService.get('app') as Config['app'];

                return {
                    throttlers: [
                        {
                            name: 'default',
                            ttl: throttle.ttlMs,
                            limit: throttle.limit
                        }
                    ]
                };
            }
        }),
        TypeOrmModule.forRootAsync({
            useFactory: (configService: ConfigService) => configService.get('postgres') as Config['postgres'],
            inject: [ConfigService]
        }),
        HealthCheckModule,
        AltchaModule,
        StorageModule,
        UploadModule
    ],
    providers: [
        {
            provide: APP_GUARD,
            useClass: ThrottlerGuard
        }
    ]
})
export class AppModule {}