import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
import { Type } from 'class-transformer';
import {
  IsInt,
  IsNotEmpty,
  IsOptional,
  IsString,
  Max,
  MaxLength,
  Min,
} from 'class-validator';

export class CreateBannerDto {
  @ApiProperty({ description: '轮播标题' })
  @IsString()
  @IsNotEmpty({ message: '标题不能为空' })
  @MaxLength(100)
  title: string;

  @ApiProperty({ description: '图片地址' })
  @IsString()
  @IsNotEmpty({ message: '图片不能为空' })
  image: string;

  @ApiPropertyOptional({ description: '跳转链接', default: '' })
  @IsString()
  @IsOptional()
  @MaxLength(255)
  link?: string;

  @ApiPropertyOptional({ description: '排序值', default: 0 })
  @IsInt()
  @Min(0)
  @Max(99999)
  @IsOptional()
  @Type(() => Number)
  sort?: number;

  @ApiPropertyOptional({ description: '是否展示 1是0否', default: 1 })
  @IsInt()
  @Min(0)
  @Max(1)
  @IsOptional()
  @Type(() => Number)
  isShow?: number;
}

export class UpdateBannerDto extends CreateBannerDto {}

export class QueryBannerDto {
  @ApiPropertyOptional({ description: '页码', default: 1 })
  @IsInt()
  @Min(1)
  @IsOptional()
  @Type(() => Number)
  page?: number;

  @ApiPropertyOptional({ description: '每页数量', default: 10 })
  @IsInt()
  @Min(1)
  @Max(100)
  @IsOptional()
  @Type(() => Number)
  pageSize?: number;

  @ApiPropertyOptional({ description: '关键词（标题）' })
  @IsString()
  @IsOptional()
  keyword?: string;
}