import {
  Body,
  Controller,
  Get,
  HttpException,
  HttpStatus,
  Param,
  ParseIntPipe,
  Post,
  Res,
  UploadedFile,
  UseGuards,
  UseInterceptors,
} from '@nestjs/common';
import { FileInterceptor } from '@nestjs/platform-express';
import { EmailDto } from './dto/emailDto.dto';
import { EmailService } from './email.service';
import { Response } from 'express';
import * as xlsx from 'xlsx';
import { AuthGuard } from '@nestjs/passport';

@Controller('email')
export class EmailController {
  constructor(private readonly emailService: EmailService) { }

  @UseGuards(AuthGuard('jwt'))
  @Post('/evento/:id')
  async sendEmail(
    @Param('id', ParseIntPipe) id: number,
    @Body() emailDto: EmailDto,
    @Res() res,
  ): Promise<any> {
    return this.emailService.sendEmail(id, emailDto, res);
  }

  @UseGuards(AuthGuard('jwt'))
  @Post('constancias/:id')
  @UseInterceptors(FileInterceptor('file'))
  async sendConstancias(
    @UploadedFile() file,
    @Param('id', ParseIntPipe) id: number,
    @Res() res,
  ) {
    if (!file) {
      throw new HttpException(
        'No se ha cargado ningun archivo',
        HttpStatus.BAD_REQUEST,
      );
    }
    return this.emailService.sendConstancias(file, id, res);
  }

  //@UseGuards(AuthGuard('jwt'))
  @Get(':id/participantes/xlsx')
  async descargarExcel(
    @Param('id') idEvento: number,
    @Res() res: Response,
  ) {
    console.log('entro en el controller')
    return this.emailService.getParticipantesExcel(idEvento, res);
  }



}