import { Body, Controller, Delete, Get, Param, Post, Query, UseGuards } from '@nestjs/common';
import { ApiTags, ApiOperation, ApiBearerAuth, ApiParam, ApiQuery, ApiResponse } from '@nestjs/swagger';
import { SeatsService } from './seats.service';
import { HoldSeatsDto } from './seats.dto';
import { JwtGuard } from '../../common/jwt.guard';

@ApiTags('Seats')
@Controller('seats')
export class SeatsController {
  constructor(private service: SeatsService) {}

  // ── Seat Map ──────────────────────────────────────────────────────────────
  @Get('seatmap/:tripId')
  @ApiOperation({ summary: 'Get seat map for a trip' })
  @ApiParam({ name: 'tripId', description: 'Trip UUID' })
  @ApiQuery({ name: 'coachId', required: false, description: 'Filter by coach UUID' })
  @ApiResponse({ status: 200, description: 'Returns coaches with seats and seat class info' })
  getSeatMap(@Param('tripId') tripId: string, @Query('coachId') coachId?: string) { return this.service.getSeatMap(tripId, coachId); }

  // ── Hold / Release ────────────────────────────────────────────────────────
  @Post('hold')
  @UseGuards(JwtGuard) @ApiBearerAuth('JWT-auth')
  @ApiOperation({ summary: 'Hold seats for 15 minutes' })
  @ApiResponse({ status: 201, description: 'Seats held successfully' })
  @ApiResponse({ status: 409, description: 'One or more seats unavailable' })
  holdSeats(@Body() dto: HoldSeatsDto) { return this.service.holdSeats(dto); }

  @Delete('hold/:holdId')
  @UseGuards(JwtGuard) @ApiBearerAuth('JWT-auth')
  @ApiOperation({ summary: 'Release a seat hold' })
  @ApiParam({ name: 'holdId', description: 'Hold UUID' })
  @ApiResponse({ status: 200, description: 'Hold released' })
  @ApiResponse({ status: 404, description: 'Hold not found' })
  releaseHold(@Param('holdId') holdId: string) { return this.service.releaseHold(holdId); }
}