import { ApiProperty } from '@nestjs/swagger';
import { Transform, Type } from 'class-transformer';
import { IsBoolean, IsInt, IsNumber, Max, Min } from 'class-validator';

/**
 * Query params for `GET /industrial/parks/by-bbox`.
 *
 * The bbox covers the user's current Mapbox viewport. `zoom` controls
 * whether the response includes polygon boundaries (zoom >= 12) or just
 * Point centroids.
 */
export class IndustrialParksBboxDto {
  @ApiProperty({ example: 8.0, description: 'Southern (min) latitude of the viewport' })
  @Type(() => Number)
  @IsNumber()
  @Min(-90)
  @Max(90)
  south!: number;

  @ApiProperty({ example: 102.0, description: 'Western (min) longitude of the viewport' })
  @Type(() => Number)
  @IsNumber()
  @Min(-180)
  @Max(180)
  west!: number;

  @ApiProperty({ example: 23.5, description: 'Northern (max) latitude of the viewport' })
  @Type(() => Number)
  @IsNumber()
  @Min(-90)
  @Max(90)
  north!: number;

  @ApiProperty({ example: 110.0, description: 'Eastern (max) longitude of the viewport' })
  @Type(() => Number)
  @IsNumber()
  @Min(-180)
  @Max(180)
  east!: number;

  @ApiProperty({ example: 8, description: 'Mapbox zoom level (0-22)' })
  @Type(() => Number)
  @IsInt()
  @Min(0)
  @Max(22)
  zoom!: number;

  @ApiProperty({
    required: false,
    default: false,
    description: 'Include raw OSM imports (admin only). Default: false.',
  })
  @Transform(({ value }) => value === 'true' || value === true)
  @IsBoolean()
  includeOsmRaw?: boolean = false;

  @ApiProperty({
    required: false,
    default: 3000,
    description:
      'Max features to return. Default 3000 covers the entire promoted KCN catalog at country zoom; raise to 5000 if you also include raw OSM imports.',
  })
  @Type(() => Number)
  @IsInt()
  @Min(1)
  @Max(5000)
  limit?: number = 3000;
}