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

export class LoginDto {
  @ApiProperty({
    description: '设备唯一标识符（Device ID）',
    example: 'device-123-abc-xyz',
  })
  @IsNotEmpty()
  @IsString()
  uid: string;

  @ApiPropertyOptional({
    description: '渠道ID（仅首次登录可能提供）',
    example: 'channel-123',
    required: false,
  })
  @IsOptional()
  @IsString()
  channelId?: string;

  @ApiPropertyOptional({
    description: '机器型号（可能缺失）',
    example: 'iPhone 12 Pro xxxx',
    required: false,
  })
  @IsOptional()
  @IsString()
  machine?: string;

  @ApiPropertyOptional({
    description: '应用版本号',
    example: '1.0.0',
    required: false,
  })
  @IsOptional()
  @IsString()
  appVersion?: string;

  @ApiPropertyOptional({
    description: '操作系统类型',
    example: 'Android',
    required: false,
  })
  @IsOptional()
  @IsString()
  os?: string;

  // plus account/password etc.
}