serverMontime/src/modules/bookings/dto/create-booking.dto.ts

import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
import { IsISO8601, IsOptional, IsString, IsUUID, MaxLength } from 'class-validator';

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

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

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

  /** ISO 8601 datetime string */
  @ApiProperty({ example: '2026-05-13T10:00:00.000Z' })
  @IsISO8601()
  scheduledAt!: string;

  @ApiPropertyOptional({ example: 'Test booking', nullable: true })
  @IsOptional()
  @IsString()
  @MaxLength(500)
  note?: string | null;
}