import {
  Body,
  Controller,
  Get,
  Param,
  ParseIntPipe,
  Post,
  Query,
  UseGuards,
} from '@nestjs/common';
import {
  IsLatitude,
  IsLongitude,
  IsOptional,
  IsString,
  MaxLength,
} from 'class-validator';
import { Type } from 'class-transformer';
import { SightingsService } from './sightings.service';
import { CurrentUser, JwtAuthGuard, type JwtPayload } from '../auth/roles';

class CreateSightingDto {
  @Type(() => Number) @IsLatitude()
  lat!: number;

  @Type(() => Number) @IsLongitude()
  lng!: number;

  @IsOptional() @IsString() @MaxLength(60)
  station?: string;

  @IsOptional() @IsString() @MaxLength(20)
  spottedAt?: string;

  @IsOptional() @IsString() @MaxLength(40)
  carNumber?: string;

  @IsOptional() @IsString() @MaxLength(300)
  description?: string;
}

@Controller('api')
export class SightingsController {
  constructor(private readonly sightings: SightingsService) {}

  @Get('models/:id/sightings')
  forModel(@Param('id', ParseIntPipe) id: number) {
    return this.sightings.listForModel(id);
  }

  @Post('models/:id/sightings')
  @UseGuards(JwtAuthGuard)
  create(
    @Param('id', ParseIntPipe) id: number,
    @Body() dto: CreateSightingDto,
    @CurrentUser() user: JwtPayload,
  ) {
    return this.sightings.create(user.sub, id, dto);
  }

  @Get('sightings/recent')
  recent(@Query('limit') limit?: string) {
    return this.sightings.recent(limit ? Number(limit) : 30);
  }

  @Get('sightings/map')
  map() {
    return this.sightings.mapPoints();
  }

  @Get('sightings/spots')
  spots() {
    return this.sightings.spots();
  }
}