import { Controller, Get, Post, Put, Delete, Body, Param, Res, UseGuards } from '@nestjs/common';
import { ApiTags, ApiBearerAuth } from '@nestjs/swagger';
import { Response } from 'express';
import { JwtAuthGuard } from '../auth/guards/jwt-auth.guard';
import { UnitsService } from './units.service';

@ApiTags('units')
@Controller('units')
@ApiBearerAuth()
@UseGuards(JwtAuthGuard)
export class UnitsController {
  constructor(private unitsService: UnitsService) {}

  @Get()
  findAll() { return this.unitsService.findAll(); }

  @Get('export')
  async exportCSV(@Res() res: Response) {
    const csv = await this.unitsService.exportCSV();
    res.set({ 'Content-Type': 'text/csv', 'Content-Disposition': 'attachment; filename="units.csv"' });
    res.send(csv);
  }

  @Get(':id')
  findOne(@Param('id') id: string) { return this.unitsService.findOne(id); }

  @Post('import')
  importCSV(@Body() rows: any[]) { return this.unitsService.importCSV(rows); }

  @Post()
  create(@Body() dto: any) { return this.unitsService.create(dto); }

  @Put(':id')
  update(@Param('id') id: string, @Body() dto: any) { return this.unitsService.update(id, dto); }

  @Delete(':id')
  delete(@Param('id') id: string) { return this.unitsService.delete(id); }
}