backend/src/auth/dto/social-auth.dto.ts

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

export class SocialAuthDto {
  @ApiProperty({
    example: 'google',
    description: 'OAuth provider',
    enum: ['google', 'facebook', 'twitter', 'apple'],
  })
  @IsEnum(['google', 'facebook', 'twitter', 'apple'], {
    message: 'Provider must be google, facebook, twitter, or apple',
  })
  provider: 'google' | 'facebook' | 'twitter' | 'apple';

  @ApiProperty({
    example: '123456789',
    description: 'Provider user ID',
  })
  @IsString()
  providerId: string;

  @ApiProperty({
    example: 'john@example.com',
    description: 'User email from OAuth provider',
  })
  @IsEmail({}, { message: 'Please provide a valid email address' })
  email: string;

  @ApiPropertyOptional({
    example: 'John Doe',
    description: 'User name from OAuth provider',
  })
  @IsOptional()
  @IsString()
  name?: string;

  @ApiPropertyOptional({
    example: 'https://example.com/avatar.jpg',
    description: 'User avatar URL from OAuth provider',
  })
  @IsOptional()
  @IsUrl({}, { message: 'Avatar must be a valid URL' })
  avatar?: string;

  @ApiPropertyOptional({
    example: 'USER',
    description: 'User role (USER or AGENT)',
    enum: ['USER', 'AGENT'],
    default: 'USER',
  })
  @IsOptional()
  @IsEnum(['USER', 'AGENT'], { message: 'Role must be either USER or AGENT' })
  role?: 'USER' | 'AGENT';

  @ApiPropertyOptional({
    example: 'uuid-of-agent-type',
    description: 'Agent type ID (required when role is AGENT)',
  })
  @IsOptional()
  @IsString()
  agentTypeId?: string;
}