import {
  Body,
  Controller,
  Delete,
  Get,
  Param,
  ParseUUIDPipe,
  Patch,
  Post,
  Query,
} from '@nestjs/common';
import { ApiBearerAuth, ApiOperation, ApiTags } from '@nestjs/swagger';

import { BookingStaff } from '../../common/booking-guards';
import { FREIGHT_PERMS } from '../../seed/freight-permissions.registry';
import { GpsTrackingService } from './gps-tracking.service';
import { RegisterDeviceDto, UpdateDeviceDto } from './dto/gps-device.dto';

@ApiTags('gps-tracking')
@ApiBearerAuth()
@Controller('gps')
// Class gate lists every key its routes use: Nest runs class AND method
// guards, so a key missing here would deny before the route's own key runs.
@BookingStaff([
  FREIGHT_PERMS.tracking.view,
  FREIGHT_PERMS.tracking.manage,
])
export class GpsTrackingController {
  constructor(private readonly gps: GpsTrackingService) {}

  @Get('positions/latest')
  @ApiOperation({ summary: 'Latest fix per device (live map feed)' })
  latest() {
    return this.gps.latest();
  }

  @Get('positions/:vehicleId/history')
  @ApiOperation({ summary: 'Position history for a vehicle' })
  history(
    @Param('vehicleId', ParseUUIDPipe) vehicleId: string,
    @Query('limit') limit?: string,
  ) {
    return this.gps.history(vehicleId, limit ? parseInt(limit, 10) : undefined);
  }

  @Get('devices')
  @ApiOperation({ summary: 'List GPS trackers' })
  listDevices() {
    return this.gps.listDevices();
  }

  @Post('devices')
  @BookingStaff(FREIGHT_PERMS.tracking.manage)
  @ApiOperation({ summary: 'Register a GPS tracker' })
  register(@Body() dto: RegisterDeviceDto) {
    return this.gps.registerDevice(dto);
  }

  @Patch('devices/:id')
  @BookingStaff(FREIGHT_PERMS.tracking.manage)
  @ApiOperation({ summary: 'Update a GPS tracker (name / assigned vehicle)' })
  update(@Param('id', ParseUUIDPipe) id: string, @Body() dto: UpdateDeviceDto) {
    return this.gps.updateDevice(id, dto);
  }

  @Delete('devices/:id')
  @BookingStaff(FREIGHT_PERMS.tracking.manage)
  @ApiOperation({ summary: 'Delete a GPS tracker' })
  remove(@Param('id', ParseUUIDPipe) id: string) {
    return this.gps.removeDevice(id);
  }
}