import { Body, Controller, Delete, Get, Param, Patch, Post, Req, UseGuards } from '@nestjs/common';
import { ApiBearerAuth, ApiOperation, ApiTags } from '@nestjs/swagger';
import { JwtGuard } from '../../common/jwt.guard';
import { PassengerAdmin, PassengerStaff } from '../../common/passenger-guards';
import { PASSENGER_PERMS } from '../../seed/passenger-permissions.registry';
import { RescheduleService } from './reschedule.service';
import {
  CreateReschedulePolicyDto,
  CreateRescheduleDto,
  RescheduleQuoteDto,
  UpdateReschedulePolicyDto,
} from './reschedule.dto';

@ApiTags('Reschedule')
@Controller()
export class RescheduleController {
  constructor(private service: RescheduleService) {}

  @Get('reschedule/policies')
  @PassengerStaff(PASSENGER_PERMS.bookings.view)
  @ApiBearerAuth('JWT-auth')
  @ApiOperation({ summary: 'Every reschedule policy, each with its coach type (fare class)' })
  listPolicies() {
    return this.service.listPolicies();
  }

  @Get('reschedule/policies/available-coach-types')
  @PassengerStaff(PASSENGER_PERMS.bookings.view)
  @ApiBearerAuth('JWT-auth')
  @ApiOperation({ summary: 'Coach types that do not have a reschedule policy yet (add-dialog dropdown)' })
  listUnconfiguredCoachTypes() {
    return this.service.listUnconfiguredCoachTypes();
  }

  @Post('reschedule/policies')
  @PassengerAdmin()
  @ApiBearerAuth('JWT-auth')
  @ApiOperation({ summary: 'Create a reschedule policy for a coach type (admin)' })
  createPolicy(@Req() req: any, @Body() dto: CreateReschedulePolicyDto) {
    return this.service.createPolicy(dto, req.user?.id);
  }

  @Patch('reschedule/policies/:coachTypeId')
  @PassengerAdmin()
  @ApiBearerAuth('JWT-auth')
  @ApiOperation({ summary: 'Update the reschedule policy of a coach type (admin)' })
  updatePolicy(@Req() req: any, @Param('coachTypeId') coachTypeId: string, @Body() dto: UpdateReschedulePolicyDto) {
    return this.service.updatePolicy(coachTypeId, dto, req.user?.id);
  }

  @Delete('reschedule/policies/:coachTypeId')
  @PassengerAdmin()
  @ApiBearerAuth('JWT-auth')
  @ApiOperation({ summary: 'Delete a reschedule policy — rescheduling is then refused for that fare class (admin)' })
  deletePolicy(@Req() req: any, @Param('coachTypeId') coachTypeId: string) {
    return this.service.deletePolicy(coachTypeId, req.user?.id);
  }

  @Get('bookings/:bookingRef/reschedule')
  @UseGuards(JwtGuard)
  @ApiBearerAuth('JWT-auth')
  @ApiOperation({ summary: 'Reschedule eligibility per leg, pending request, history' })
  options(@Req() req: any, @Param('bookingRef') bookingRef: string) {
    return this.service.getOptions(bookingRef, req.user);
  }

  @Post('bookings/:bookingRef/reschedule/quote')
  @UseGuards(JwtGuard)
  @ApiBearerAuth('JWT-auth')
  @ApiOperation({ summary: 'Itemised quote (fee, fare difference, amount due) for a proposed change' })
  quote(@Req() req: any, @Param('bookingRef') bookingRef: string, @Body() dto: RescheduleQuoteDto) {
    return this.service.quote(bookingRef, dto, req.user);
  }

  @Post('bookings/:bookingRef/reschedule')
  @UseGuards(JwtGuard)
  @ApiBearerAuth('JWT-auth')
  @ApiOperation({ summary: 'Reschedule a leg. Applies immediately when nothing is due, otherwise returns a payment token' })
  create(@Req() req: any, @Param('bookingRef') bookingRef: string, @Body() dto: CreateRescheduleDto) {
    return this.service.create(bookingRef, dto, req.user);
  }
}