import { Type } from 'class-transformer';
import {
  ArrayMaxSize,
  ArrayMinSize,
  IsArray,
  IsNumber,
  IsOptional,
  IsString,
  Max,
  Min,
  ValidateNested,
} from 'class-validator';

export class AlignPathPointDto {
  @IsNumber()
  @Min(-90)
  @Max(90)
  lat!: number;

  @IsNumber()
  @Min(-180)
  @Max(180)
  lng!: number;

  /** ISO-8601 or epoch ms — used for kill-gap detection. */
  @IsOptional()
  @IsString()
  timestamp?: string;
}

export class AlignPathDto {
  @IsArray()
  @ArrayMinSize(2)
  @ArrayMaxSize(500)
  @ValidateNested({ each: true })
  @Type(() => AlignPathPointDto)
  points!: AlignPathPointDto[];
}