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

export class QueryStockDailyPriceDto {
    @ApiPropertyOptional({
        description: '股票代码',
        example: '600519',
    })
    @IsOptional()
    @IsString()
    stockCode?: string;

    @ApiPropertyOptional({
        description: '股票名称（模糊查询）',
        example: '茅台',
    })
    @IsOptional()
    @IsString()
    stockName?: string;

    @ApiPropertyOptional({
        description: '市场标识',
        example: 'sh',
    })
    @IsOptional()
    @IsString()
    market?: string;

    @ApiPropertyOptional({
        description: '交易日期（模糊查询，支持日期范围）',
        example: '2024-01',
    })
    @IsOptional()
    @IsString()
    tradeDate?: string;

    @ApiPropertyOptional({
        description: '起始日期',
        example: '2024-01-01',
    })
    @IsOptional()
    @IsDateString()
    startDate?: string;

    @ApiPropertyOptional({
        description: '结束日期',
        example: '2024-01-31',
    })
    @IsOptional()
    @IsDateString()
    endDate?: string;

    @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: 'tradeDate',
        default: 'tradeDate',
    })
    @IsOptional()
    @IsString()
    sortBy?: string = 'tradeDate';

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