import { IsString, IsOptional, IsBoolean } from 'class-validator';
import { ApiPropertyOptional } from '@nestjs/swagger';

export class UpdateUserDto {
  @ApiPropertyOptional({ description: "User's first name", example: 'John' })
  @IsOptional()
  @IsString()
  firstName?: string;

  @ApiPropertyOptional({ description: "User's last name", example: 'Doe' })
  @IsOptional()
  @IsString()
  lastName?: string;

  @ApiPropertyOptional({ description: "User's birth date (ISO)", example: '1990-01-01' })
  @IsOptional()
  // keep as string here, caller should send ISO date; service will assign to Date
  @IsString()
  birthDate?: string;

  @ApiPropertyOptional({ description: "User's marriage date (ISO)", example: '2015-06-01' })
  @IsOptional()
  @IsString()
  marriageDate?: string;

  @ApiPropertyOptional({ description: 'Gender flag (boolean)', example: true })
  @IsOptional()
  @IsBoolean()
  gender?: boolean;

  @ApiPropertyOptional({ description: 'Avatar URL' })
  @IsOptional()
  @IsString()
  avatarUrl?: string;
}