import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
import { Type } from 'class-transformer';
import { IsDateString, IsInt, IsNumber, IsOptional, IsUUID, Min } from 'class-validator';

export class CreateContainerTrainScheduleDto {
  @ApiProperty({ format: 'uuid' })
  @IsUUID()
  routeId!: string;

  @ApiProperty({ example: '2026-06-20T08:00:00.000Z' })
  @IsDateString()
  scheduleDate!: string;

  @ApiProperty({ format: 'uuid' })
  @IsUUID()
  locomotiveId!: string;

  @ApiPropertyOptional({ description: 'Maximum total booking weight allowed on this train' })
  @IsOptional()
  @Type(() => Number)
  @IsNumber()
  @Min(1)
  maxTrainWeightTons?: number;

  @ApiPropertyOptional({ description: 'Maximum total wagon length allowed on this train' })
  @IsOptional()
  @Type(() => Number)
  @IsNumber()
  @Min(1)
  maxTrainLengthMeters?: number;

  @ApiPropertyOptional({ description: 'Maximum wagons allowed on this train' })
  @IsOptional()
  @Type(() => Number)
  @IsInt()
  @Min(1)
  maxWagonsPerTrain?: number;
}