import { Module } from '@nestjs/common';
import { BullModule } from '@nestjs/bullmq';
import { loadAppConfig } from '@dukang/shared-types';
import { SmsCodeStore } from './sms/sms-code.store';
import { SmsMockProvider } from './sms/sms.mock.provider';
import { SmsAliyunProvider } from './sms/sms.aliyun.provider';
import { PayMockProvider } from './pay/pay.mock.provider';
import { PayWechatProvider } from './pay/pay.wechat.provider';
import { DeliveryMockProvider } from './delivery/delivery.mock.provider';
import { WechatApiProvider } from './wechat/wechat.api.provider';
import { WechatDisabledProvider } from './wechat/wechat.disabled.provider';
import { WechatMockProvider } from './wechat/wechat.mock.provider';
import { OssMockProvider } from './oss/oss.mock.provider';
import { OssAliyunProvider } from './oss/oss.aliyun.provider';
import { TencentLbsProvider } from './map/tencent-lbs.provider';
import {
  SMS_PROVIDER,
  PAY_PROVIDER,
  DELIVERY_PROVIDER,
  WECHAT_PROVIDER,
  OSS_PROVIDER,
  MAP_PROVIDER,
} from './integrations.constants';
import { CourierModule } from './courier/courier.module';
import { DELIVERY_QUEUE } from '../jobs/jobs.constants';
import type { IWechatProvider } from './wechat/wechat.interface';
import type { IPayProvider } from './pay/pay.interface';
import type { IOssProvider } from './oss/oss.interface';
import type { ISmsProvider } from './sms/sms.interface';

@Module({
  imports: [BullModule.registerQueue({ name: DELIVERY_QUEUE }), CourierModule],
  providers: [
    SmsCodeStore,
    SmsMockProvider,
    SmsAliyunProvider,
    {
      provide: SMS_PROVIDER,
      useFactory: (mock: SmsMockProvider, aliyun: SmsAliyunProvider): ISmsProvider => {
        const cfg = loadAppConfig();
        if (cfg.mockSms) return mock;
        if (!aliyun.isEnabled()) {
          throw new Error('MOCK_SMS=false but Aliyun SMS credentials are missing');
        }
        return aliyun;
      },
      inject: [SmsMockProvider, SmsAliyunProvider],
    },
    WechatApiProvider,
    WechatDisabledProvider,
    WechatMockProvider,
    {
      provide: WECHAT_PROVIDER,
      useFactory: (
        api: WechatApiProvider,
        disabled: WechatDisabledProvider,
        mock: WechatMockProvider,
      ): IWechatProvider => {
        const cfg = loadAppConfig();
        const enabled =
          (cfg.wechatAuthEnabled || cfg.wechatPayEnabled) &&
          (!!cfg.wxAppId || !!process.env.WX_MCH_ID);
        if (enabled) return api;
        // preV1：真实微信未配置但开启 Mock 授权登录
        if (cfg.mockWechat) return mock;
        return disabled;
      },
      inject: [WechatApiProvider, WechatDisabledProvider, WechatMockProvider],
    },
    PayMockProvider,
    PayWechatProvider,
    {
      provide: PAY_PROVIDER,
      useFactory: (mock: PayMockProvider, wechat: PayWechatProvider): IPayProvider => {
        const cfg = loadAppConfig();
        return cfg.mockPay ? mock : wechat;
      },
      inject: [PayMockProvider, PayWechatProvider],
    },
    { provide: DELIVERY_PROVIDER, useClass: DeliveryMockProvider },
    OssMockProvider,
    OssAliyunProvider,
    {
      provide: OSS_PROVIDER,
      useFactory: (mock: OssMockProvider, aliyun: OssAliyunProvider): IOssProvider => {
        const cfg = loadAppConfig();
        return cfg.ossEnabled && aliyun.isEnabled() ? aliyun : mock;
      },
      inject: [OssMockProvider, OssAliyunProvider],
    },
    DeliveryMockProvider,
    TencentLbsProvider,
    { provide: MAP_PROVIDER, useExisting: TencentLbsProvider },
  ],
  exports: [SMS_PROVIDER, SmsCodeStore, PAY_PROVIDER, DELIVERY_PROVIDER, WECHAT_PROVIDER, OSS_PROVIDER, MAP_PROVIDER, TencentLbsProvider, CourierModule],
})
export class IntegrationsModule {}