package data_manage

import (
	"eta/eta_mobile/utils"
	"fmt"
	"strconv"
	"time"

	"github.com/nosixtools/solarlunar"
)

// 指标季度数据计算(公历转农历)
func AddCalculateQuarterV4(dataList []*EdbDataList) (result *EdbDataResult, err error) {
	var errMsg string
	defer func() {
		if errMsg != "" {
			fmt.Println("errMsg:", errMsg)
		}
	}()

	endDate := dataList[len(dataList)-1].DataTime
	endDateForm, err := time.Parse(utils.FormatDate, endDate)
	if err != nil {
		return result, err
	}
	thisMonth := int(endDateForm.Month())

	result = new(EdbDataResult)
	var yearArr []int
	yearMap := make(map[int]int)
	var cureentDate time.Time
	if thisMonth < 11 {
		for k, v := range dataList {
			dateTime, err := time.Parse(utils.FormatDate, v.DataTime)
			if err != nil {
				errMsg = "time.Parse Err:" + err.Error() + ";DataTime:" + v.DataTime
				return result, err
			}
			if k == len(dataList)-1 {
				cureentDate = dateTime
			}
			year := dateTime.Year()
			if _, ok := yearMap[year]; !ok {
				yearArr = append(yearArr, year)
			}
			yearMap[year] = year
		}
	} else {
		for k, v := range dataList {
			dateTime, err := time.Parse(utils.FormatDate, v.DataTime)
			if err != nil {
				errMsg = "time.Parse Err:" + err.Error() + ";DataTime:" + v.DataTime
				return result, err
			}
			if k == len(dataList)-1 {
				cureentDate = dateTime
			}
			year := dateTime.Year() + 1
			if _, ok := yearMap[year]; !ok {
				yearArr = append(yearArr, year)
			}
			yearMap[year] = year
		}
	}
	//排序
	fmt.Println("yearArr:", yearArr)
	thisYear := cureentDate.Year()
	//thisMonth := int(cureentDate.Month())

	fmt.Println("thisMonth:", thisMonth)
	for ky, vy := range yearArr {
		fmt.Println("line 432:", ky, vy, thisYear, thisMonth)
		if thisMonth < 11 {
			currentYearCjnl := strconv.Itoa(thisYear) + "-01-01"               //当前年份春节农历
			currentYearCjgl := solarlunar.LunarToSolar(currentYearCjnl, false) //当前年份春节公历
			currentYearCjglDate, err := time.Parse(utils.FormatDate, currentYearCjgl)
			if err != nil {
				errMsg = "生成当前春节失败,Err:" + err.Error()
				return result, err
			}

			preYear := vy
			preYearCjnl := strconv.Itoa(preYear) + "-01-01"            //之前年份春节农历
			preYearCjgl := solarlunar.LunarToSolar(preYearCjnl, false) //之前年份春节公历
			preYearCjglDate, err := time.Parse(utils.FormatDate, preYearCjgl)
			if err != nil {
				errMsg = "生成历史年份春节失败,Err:" + err.Error()
				return result, err
			}
			day := currentYearCjglDate.Sub(preYearCjglDate).Hours() / float64(24)

			items := new(EdbDataItems)
			items.BetweenDay = int(day) //公历日期换算成农历，需要减除的天数
			items.Year = preYear
			for _, v := range dataList {
				dateTime, err := time.Parse(utils.FormatDate, v.DataTime)
				if err != nil {
					errMsg = "time.Parse Err:" + err.Error() + ";DataTime:" + v.DataTime
					return result, err
				}
				newDate := dateTime.AddDate(0, 0, int(day))
				selectDateStr := strconv.Itoa(thisYear) + "-11" + "-30"
				selectDate, _ := time.Parse(utils.FormatDate, selectDateStr)
				if newDate.Before(selectDate) || newDate == selectDate {
					timestamp := newDate.UnixNano() / 1e6
					item := new(EdbDataList)
					item.DataTime = newDate.Format(utils.FormatDate)
					item.EdbInfoId = v.EdbInfoId
					item.Value = v.Value
					item.EdbDataId = v.EdbDataId
					item.DataTimestamp = timestamp
					items.Items = append(items.Items, item)
				}
			}
			result.List = append(result.List, items)
		} else {
			nextYear := thisYear + 1
			nextYearCjnl := strconv.Itoa(nextYear) + "-01-01"            //当前年份春节农历
			nextYearCjgl := solarlunar.LunarToSolar(nextYearCjnl, false) //当前年份春节公历

			nextYearCjglDate, err := time.Parse(utils.FormatDate, nextYearCjgl)
			if err != nil {
				errMsg = "生成当前春节失败,Err:" + err.Error()
				return result, err
			}
			preYear := vy
			preYearCjnl := strconv.Itoa(preYear) + "-01-01"            //之前年份春节农历
			preYearCjgl := solarlunar.LunarToSolar(preYearCjnl, false) //之前年份春节公历
			preYearCjglDate, err := time.Parse(utils.FormatDate, preYearCjgl)
			if err != nil {
				errMsg = "生成历史年份春节失败,Err:" + err.Error()
				return result, err
			}
			day := nextYearCjglDate.Sub(preYearCjglDate).Hours() / float64(24)

			fmt.Println("day:", day, nextYearCjglDate, preYearCjglDate)

			items := new(EdbDataItems)
			items.BetweenDay = int(day) //公历日期换算成农历，需要减除的天数
			items.Year = preYear - 1
			fmt.Println("preYear:", preYear, "ky:", ky, "yearArrLen:", len(yearArr))
			if ky+1 < len(yearArr) {
				for _, v := range dataList {
					dateTime, err := time.Parse(utils.FormatDate, v.DataTime)
					if err != nil {
						errMsg = "time.Parse Err:" + err.Error() + ";DataTime:" + v.DataTime
						return result, err
					}
					newDate := dateTime.AddDate(0, 0, int(day))
					selectDateStr := strconv.Itoa(nextYear) + "-05" + "-31"
					selectDate, _ := time.Parse(utils.FormatDate, selectDateStr)

					if newDate.Before(selectDate) || newDate == selectDate {
						timestamp := newDate.UnixNano() / 1e6
						item := new(EdbDataList)
						item.DataTime = newDate.Format(utils.FormatDate)
						item.EdbInfoId = v.EdbInfoId
						item.Value = v.Value
						item.EdbDataId = v.EdbDataId
						item.DataTimestamp = timestamp
						items.Items = append(items.Items, item)
					}
				}
				result.List = append(result.List, items)
			} else {
				for _, v := range dataList {
					dateTime, err := time.Parse(utils.FormatDate, v.DataTime)
					if err != nil {
						errMsg = "time.Parse Err:" + err.Error() + ";DataTime:" + v.DataTime
						return result, err
					}
					timestamp := dateTime.UnixNano() / 1e6
					item := new(EdbDataList)
					item.DataTime = dateTime.Format(utils.FormatDate)
					item.EdbInfoId = v.EdbInfoId
					item.Value = v.Value
					item.EdbDataId = v.EdbDataId
					item.DataTimestamp = timestamp
					items.Items = append(items.Items, item)
				}
				result.List = append(result.List, items)
			}
		}
	}
	return
}

type EdbDataItems struct {
	Items                []*EdbDataList
	Year                 int
	BetweenDay           int   `json:"-" description:"公历与农历之间相差的天数"`
	CuttingDataTimestamp int64 `description:"切割的时间戳"`
}

type EdbDataResult struct {
	List []*EdbDataItems
}