import { EventEmitterModule } from '@app/event-emitter';
import { RedmineIssuesCacheWriterService } from '@app/event-emitter/issue-cache-writer/redmine-issues-cache-writer.service';
import { EnhancerService } from '@app/event-emitter/issue-enhancers/enhancer.service';
import { TimestampEnhancer } from '@app/event-emitter/issue-enhancers/timestamps-enhancer';
import { MainController } from '@app/event-emitter/main/main.controller';
import { CacheModule, Logger, Module, OnModuleInit } from '@nestjs/common';
import { ConfigModule } from '@nestjs/config';
import { switchMap, tap } from 'rxjs';
import { AppController } from './app.controller';
import { AppService } from './app.service';
import configuration from './configs/app';
import { RedminePublicUrlConverter } from './converters/redmine-public-url.converter';
import { Changes } from './couchdb-datasources/changes';
import { CurrentUserEnhancer } from './issue-enhancers/current-user-enhancer';
import { CustomFieldsEnhancer } from './issue-enhancers/custom-fields-enhancer';
import { PersonalNotificationsService } from './notifications/personal-notifications.service';
import { StatusChangeNotificationsService } from './notifications/status-change-notifications.service';
import { ChangesCacheWriterService } from './changes-cache-writer/changes-cache-writer.service';
import { Issues } from '@app/event-emitter/couchdb-datasources/issues';
import { Users } from '@app/event-emitter/couchdb-datasources/users';
import { TelegramBotService } from './telegram-bot/telegram-bot.service';
import { UserMetaInfoService } from './user-meta-info/user-meta-info.service';
import { UserMetaInfo } from './couchdb-datasources/user-meta-info';
import { PersonalNotificationAdapterService } from './notifications/adapters/personal-notification.adapter/personal-notification.adapter.service';
import { StatusChangeAdapterService } from './notifications/adapters/status-change.adapter.service';
import { CurrentIssuesEccmReportService } from './reports/current-issues-eccm.report.service';
import { CurrentIssuesEccmBotHandlerService } from './telegram-bot/handlers/current-issues-eccm.bot-handler.service';
import { CurrentIssuesEccmReportController } from './reports/current-issues-eccm.report.controller';
import { DailyEccmReportController } from './reports/daily-eccm.report.controller';
import { DailyEccmReportService } from './reports/daily-eccm.report.service';
import { ChangesService } from './changes/changes.service';
import { DailyEccmReportsDatasource } from './couchdb-datasources/daily-eccm-reports.datasource';
import { ScheduleModule } from '@nestjs/schedule';
import { DailyEccmReportTask } from './reports/daily-eccm.report.task';

@Module({
  imports: [
    EventEmitterModule.register({
      config: configuration().redmineIssueEventEmitterConfig,
    }),
    ConfigModule.forRoot({ load: [configuration] }),
    CacheModule.register({
      isGlobal: true,
    }),
    ScheduleModule.forRoot(),
  ],
  controllers: [
    AppController,
    MainController,
    CurrentIssuesEccmReportController,
    DailyEccmReportController,
  ],
  providers: [
    AppService,
    CustomFieldsEnhancer,
    CurrentUserEnhancer,
    PersonalNotificationsService,
    StatusChangeNotificationsService,
    Changes,
    RedminePublicUrlConverter,
    ChangesCacheWriterService,
    TelegramBotService,
    UserMetaInfoService,
    UserMetaInfo,
    PersonalNotificationAdapterService,
    StatusChangeAdapterService,
    CurrentIssuesEccmReportService,
    CurrentIssuesEccmBotHandlerService,
    DailyEccmReportService,
    ChangesService,
    DailyEccmReportsDatasource,
    DailyEccmReportTask,
  ],
})
export class AppModule implements OnModuleInit {
  private logger = new Logger(AppModule.name);

  constructor(
    private personalNotificationsService: PersonalNotificationsService,
    private redmineIssuesCacheWriterService: RedmineIssuesCacheWriterService,
    private enhancerService: EnhancerService,
    private timestampEnhancer: TimestampEnhancer,
    private customFieldsEnhancer: CustomFieldsEnhancer,
    private currentUserEnhancer: CurrentUserEnhancer,
    private statusChangeNotificationsService: StatusChangeNotificationsService,
    private changesCacheWriterService: ChangesCacheWriterService,
    private telegramBotService: TelegramBotService,
    private personalNotificationAdapterService: PersonalNotificationAdapterService,
    private statusChangeAdapterService: StatusChangeAdapterService,
  ) {}

  onModuleInit() {
    Issues.getDatasource();
    Users.getDatasource();
    Changes.getDatasource();
    UserMetaInfo.getDatasource();
    DailyEccmReportsDatasource.getDatasource();

    this.enhancerService.addEnhancer([
      this.timestampEnhancer,
      this.customFieldsEnhancer,
      this.currentUserEnhancer,
    ]);

    this.personalNotificationsService.$messages.subscribe((resp) => {
      this.logger.log(
        `Get personal message ` +
          JSON.stringify(resp.personalParsedMessage.message) +
          ` for recipients ` +
          JSON.stringify(resp.personalParsedMessage.recipients),
      );
      this.personalNotificationAdapterService.send(resp);
    });
    this.statusChangeNotificationsService.$batchChanges.subscribe((changes) => {
      this.statusChangeAdapterService.batchSend(changes);
    });

    this.redmineIssuesCacheWriterService.subject
      .pipe(
        tap((saveResult) => {
          this.logger.debug(
            `Save result process started, issue_id = ${saveResult.current.id}`,
          );
        }),
      )
      .pipe(
        switchMap(async (saveResult) => {
          this.logger.debug(`personalNotificationsService.analize started`);
          await this.personalNotificationsService.analize(saveResult);
          this.logger.debug('personalNotificationsService.analize successed');
          return saveResult;
        }),
        switchMap(async (saveResult) => {
          // eslint-disable-next-line prettier/prettier
          this.logger.debug(`statusChangeNotificationsService.getChanges started`);
          const changes =
            await this.statusChangeNotificationsService.getChanges(saveResult);
          // eslint-disable-next-line prettier/prettier
          this.logger.debug(`statusChangeNotificationsService.getChanges successed`);
          return { changes, saveResult };
        }),
        switchMap(async (args) => {
          this.logger.debug(`Save changes in couchdb started`);
          const promises = args.changes.map((c) =>
            this.changesCacheWriterService.saveChange(c),
          );
          await Promise.all(promises);
          this.logger.debug('Save changes in couchdb successed');
          return args;
        }),
        switchMap(async (args) => {
          this.logger.debug(``);
          return args;
        }),
      )
      .subscribe(async (args) => {
        this.logger.debug(
          `Save result process success finished, issue_id = ${args.saveResult.current.id}`,
        );
      });
  }
}