package egg_energy

import (
	"code.fnuoos.com/EggPlanet/egg_models.git/src/implement"
	"code.fnuoos.com/EggPlanet/egg_models.git/src/model"
	"github.com/shopspring/decimal"
	"time"
	"xorm.io/xorm"
)

// CalcTodayGreenEnergyPriceRises 计算绿色能量今日价格涨幅
func CalcTodayGreenEnergyPriceRises(engine *xorm.Engine, eggEnergyCoreData *model.EggEnergyCoreData) (err error, rises float64, isRises bool) {
	now := time.Now()
	if eggEnergyCoreData == nil {
		//1、查找 `egg_energy_core_data` 核心数据
		eggEnergyCoreDataDb := implement.NewEggEnergyCoreDataDb(engine)
		eggEnergyCoreData, err = eggEnergyCoreDataDb.EggEnergyCoreDataGet()
		if err != nil {
			return
		}
	}

	//2、查找昨日价格
	var m model.EggEnergyPrice
	if has, err1 := engine.Where("date =?", now.AddDate(0, 0, -1).Format("2006-01-02")).And("hour = 23").Get(&m); err1 != nil || has == false {
		err = err1
		return
	}
	yesterdayPrice, _ := decimal.NewFromString(m.Price)
	todayPrice, _ := decimal.NewFromString(eggEnergyCoreData.NowPrice)
	if todayPrice.GreaterThanOrEqual(yesterdayPrice) {
		isRises = true
		rises, _ = todayPrice.Sub(yesterdayPrice).Div(yesterdayPrice).Float64()
	} else {
		rises, _ = yesterdayPrice.Sub(todayPrice).Div(todayPrice).Float64()
	}
	return
}