<?php

namespace App\Module\Mex\Service;

use App\Module\Fund\Enums\FUND_CURRENCY_TYPE;
use App\Module\Mex\Dto\MexDailyPriceTrendDto;
use App\Module\Mex\Logic\MexDailyPriceTrendLogic;
use Illuminate\Support\Collection;

/**
 * 农贸市场每日价格趋势服务层
 */
class MexDailyPriceTrendService
{
    /**
     * 生成指定日期的价格趋势数据
     */
    public static function generateDailyTrend(string $date, int $itemId, FUND_CURRENCY_TYPE $currencyType): ?MexDailyPriceTrendDto
    {
        $logic = new MexDailyPriceTrendLogic();
        return $logic->generateDailyTrend($date, $itemId, $currencyType);
    }

    /**
     * 批量生成多日价格趋势数据
     */
    public static function generateMultipleDaysTrends(
        string $startDate,
        string $endDate,
        ?int $itemId = null,
        ?FUND_CURRENCY_TYPE $currencyType = null
    ): Collection {
        $logic = new MexDailyPriceTrendLogic();
        return $logic->generateMultipleDaysTrends($startDate, $endDate, $itemId, $currencyType);
    }

    /**
     * 获取商品的价格趋势历史
     */
    public static function getItemPriceTrends(
        int $itemId,
        FUND_CURRENCY_TYPE $currencyType,
        string $startDate,
        string $endDate,
        int $limit = 100
    ): Collection {
        $logic = new MexDailyPriceTrendLogic();
        return $logic->getItemPriceTrends($itemId, $currencyType, $startDate, $endDate, $limit);
    }

    /**
     * 获取价格趋势统计信息
     */
    public static function getTrendStatistics(
        int $itemId,
        FUND_CURRENCY_TYPE $currencyType,
        string $startDate,
        string $endDate
    ): array {
        $logic = new MexDailyPriceTrendLogic();
        return $logic->getTrendStatistics($itemId, $currencyType, $startDate, $endDate);
    }

    /**
     * 生成今日所有商品的价格趋势
     */
    public static function generateTodayTrends(): Collection
    {
        $today = date('Y-m-d');
        $logic = new MexDailyPriceTrendLogic();
        return $logic->generateMultipleDaysTrends($today, $today);
    }

    /**
     * 生成昨日所有商品的价格趋势
     */
    public static function generateYesterdayTrends(): Collection
    {
        $yesterday = date('Y-m-d', strtotime('-1 day'));
        $logic = new MexDailyPriceTrendLogic();
        return $logic->generateMultipleDaysTrends($yesterday, $yesterday);
    }
}