import { RabbitSubscribe } from '@golevelup/nestjs-rabbitmq';
import { Controller } from '@nestjs/common';
import { ConfigService } from '@nestjs/config';
import { CommandBus } from '@nestjs/cqrs';
import { DeleteConfigurationCommand } from '../../commands/delete-configuration.command';
import { SetConfigurationCommand } from '../../commands/set-configuration.command';
import { DeleteConfigurationRequest } from '../../domain/dtos/delete-configuration.request';
import { SetConfigurationRequest } from '../../domain/dtos/set-configuration.request';
import { Configuration } from '../../domain/entities/configuration';

@Controller()
export class ConfigurationMessagerController {
  constructor(
    private readonly _commandBus: CommandBus,
    private readonly _configService: ConfigService,
  ) {}

  @RabbitSubscribe({
    name: 'setConfiguration',
  })
  public async setConfigurationHandler(message: string) {
    const configuration: Configuration = JSON.parse(message);
    if (
      configuration.domain ==
      this._configService.get<string>('SERVICE_CONFIGURATION_DOMAIN')
    ) {
      const setConfigurationRequest: SetConfigurationRequest =
        new SetConfigurationRequest();
      setConfigurationRequest.domain = configuration.domain;
      setConfigurationRequest.key = configuration.key;
      setConfigurationRequest.value = configuration.value;
      await this._commandBus.execute(
        new SetConfigurationCommand(setConfigurationRequest),
      );
    }
  }

  @RabbitSubscribe({
    name: 'deleteConfiguration',
  })
  public async configurationDeletedHandler(message: string) {
    const deletedConfiguration: Configuration = JSON.parse(message);
    if (
      deletedConfiguration.domain ==
      this._configService.get<string>('SERVICE_CONFIGURATION_DOMAIN')
    ) {
      const deleteConfigurationRequest = new DeleteConfigurationRequest();
      deleteConfigurationRequest.domain = deletedConfiguration.domain;
      deleteConfigurationRequest.key = deletedConfiguration.key;
      await this._commandBus.execute(
        new DeleteConfigurationCommand(deleteConfigurationRequest),
      );
    }
  }

  @RabbitSubscribe({
    name: 'propagateConfiguration',
  })
  public async propagateConfigurationsHandler(message: string) {
    const configurations: Array<Configuration> = JSON.parse(message);
    configurations.forEach(async (configuration) => {
      if (
        configuration.domain ==
        this._configService.get<string>('SERVICE_CONFIGURATION_DOMAIN')
      ) {
        const setConfigurationRequest: SetConfigurationRequest =
          new SetConfigurationRequest();
        setConfigurationRequest.domain = configuration.domain;
        setConfigurationRequest.key = configuration.key;
        setConfigurationRequest.value = configuration.value;
        await this._commandBus.execute(
          new SetConfigurationCommand(setConfigurationRequest),
        );
      }
    });
  }
}