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

export class QueryBrokerDto {
    @ApiPropertyOptional({
        description: '券商ID',
        example: 1,
        minimum: 1,
    })
    @IsOptional()
    @Type(() => Number)
    @IsNumber()
    @Min(1)
    brokerId?: number;

    @ApiPropertyOptional({
        description: '券商代码',
        example: 'HTZQ',
    })
    @IsOptional()
    @IsString()
    brokerCode?: string;

    @ApiPropertyOptional({
        description: '券商名称',
        example: '华泰证券',
    })
    @IsOptional()
    @IsString()
    brokerName?: string;

    @ApiPropertyOptional({
        description: '地区/国家代码',
        example: 'CN',
        enum: ['CN', 'US', 'HK', 'SG', 'JP', 'UK', 'AU', 'CA', 'OTHER'],
    })
    @IsOptional()
    @IsString()
    region?: string;

    @ApiPropertyOptional({
        description: '是否启用',
        example: true,
    })
    @IsOptional()
    @Type(() => Boolean)
    @IsBoolean()
    isActive?: boolean;

    @ApiPropertyOptional({
        description: '页码',
        example: 1,
        minimum: 1,
        default: 1,
    })
    @IsOptional()
    @Type(() => Number)
    @IsNumber()
    @Min(1)
    page?: number = 1;

    @ApiPropertyOptional({
        description: '每页数量',
        example: 10,
        minimum: 1,
        default: 10,
    })
    @IsOptional()
    @Type(() => Number)
    @IsNumber()
    @Min(1)
    limit?: number = 10;

    @ApiPropertyOptional({
        description: '排序字段',
        example: 'createdAt',
        default: 'createdAt',
    })
    @IsOptional()
    @IsString()
    sortBy?: string = 'createdAt';

    @ApiPropertyOptional({
        description: '排序方向',
        example: 'DESC',
        enum: ['ASC', 'DESC'],
        default: 'DESC',
    })
    @IsOptional()
    @IsString()
    sortOrder?: 'ASC' | 'DESC' = 'DESC';
}