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

export class CreateConversationDto {
  @ApiProperty({ description: 'Character ID to chat with', example: '550e8400-e29b-41d4-a716-446655440000' })
  @IsString()
  characterId: string;

  @ApiPropertyOptional({ description: 'Conversation title', example: 'My Adventure with Alice' })
  @IsOptional()
  @IsString()
  title?: string;
}

export class SendMessageDto {
  @ApiProperty({ description: 'Message content', example: 'Hello! Tell me about yourself.' })
  @IsString()
  content: string;
}

export class UpdateMessageDto {
  @ApiProperty({ description: 'Updated message content' })
  @IsString()
  content: string;
}