import { Controller, Get, Param, Query } from '@nestjs/common';
import { ApiTags, ApiOperation, ApiResponse, ApiParam, ApiQuery } from '@nestjs/swagger';
import { Public } from '../decorators/public.decorator';
import { CsvBookingService } from '../services/csv-booking.service';

/**
 * CSV Booking Actions Controller (Public Routes)
 *
 * Handles public accept/reject actions from carrier emails
 * Separated from main controller to avoid routing conflicts
 */
@ApiTags('CSV Booking Actions')
@Controller('csv-booking-actions')
export class CsvBookingActionsController {
  constructor(private readonly csvBookingService: CsvBookingService) {}

  /**
   * Accept a booking request (PUBLIC - token-based)
   *
   * GET /api/v1/csv-booking-actions/accept/:token
   */
  @Public()
  @Get('accept/:token')
  @ApiOperation({
    summary: 'Accept booking request (public)',
    description:
      'Public endpoint for carriers to accept a booking via email link. Updates booking status and notifies the user.',
  })
  @ApiParam({ name: 'token', description: 'Booking confirmation token (UUID)' })
  @ApiResponse({
    status: 200,
    description: 'Booking accepted successfully.',
  })
  @ApiResponse({ status: 404, description: 'Booking not found or invalid token' })
  @ApiResponse({
    status: 400,
    description: 'Booking cannot be accepted (invalid status or expired)',
  })
  async acceptBooking(@Param('token') token: string) {
    // Accept the booking
    const booking = await this.csvBookingService.acceptBooking(token);

    // Return simple success response
    return {
      success: true,
      bookingId: booking.id,
      action: 'accepted',
    };
  }

  /**
   * Reject a booking request (PUBLIC - token-based)
   *
   * GET /api/v1/csv-booking-actions/reject/:token
   */
  @Public()
  @Get('reject/:token')
  @ApiOperation({
    summary: 'Reject booking request (public)',
    description:
      'Public endpoint for carriers to reject a booking via email link. Updates booking status and notifies the user.',
  })
  @ApiParam({ name: 'token', description: 'Booking confirmation token (UUID)' })
  @ApiQuery({
    name: 'reason',
    required: false,
    description: 'Rejection reason',
    example: 'No capacity available',
  })
  @ApiResponse({
    status: 200,
    description: 'Booking rejected successfully.',
  })
  @ApiResponse({ status: 404, description: 'Booking not found or invalid token' })
  @ApiResponse({
    status: 400,
    description: 'Booking cannot be rejected (invalid status or expired)',
  })
  async rejectBooking(@Param('token') token: string, @Query('reason') reason: string) {
    // Reject the booking
    const booking = await this.csvBookingService.rejectBooking(token, reason);

    // Return simple success response
    return {
      success: true,
      bookingId: booking.id,
      action: 'rejected',
      reason: reason || null,
    };
  }
}