package supply_analysis

import (
	"errors"
	"eta/eta_api/models/data_manage"
	"eta/eta_api/models/data_manage/supply_analysis"
	"eta/eta_api/utils"
	"fmt"
	"time"
)

// GetCustomEdbData 通过品种id获取自定义ETA指标库格式的数据列表
func GetCustomEdbData(varietyEdbId int, startDate, endDate string) (dataList []*data_manage.EdbDataList, minVal, maxVal float64, err error) {
	// 根据品种指标id获取所有的数据
	tmpVarietyDataList, err := supply_analysis.GetVarietyEdbData(varietyEdbId, startDate, endDate)
	if err != nil {
		return
	}
	dataList = make([]*data_manage.EdbDataList, 0)
	for _, v := range tmpVarietyDataList {
		dataList = append(dataList, &data_manage.EdbDataList{
			EdbDataId:     v.StockPlantDataId,
			EdbInfoId:     v.VarietyEdbId,
			DataTime:      v.DataTime.Format(utils.FormatDate),
			DataTimestamp: v.DataTime.UnixNano() / 1e6,
			Value:         v.Value,
		})
		if v.Value < minVal {
			minVal = v.Value
		}
		if v.Value > maxVal {
			maxVal = v.Value
		}
	}

	return
}

// GetChartEdbSeasonalData 获取指标的季节性数据
func GetChartEdbSeasonalData(varietyEdbId int, calendar, startDate, endDate, latestDateStr string) (resultData interface{}, minVal, maxVal float64, err error) {
	var startDateReal string
	startDateReal = startDate
	calendarPreYear := 0
	if calendar == "农历" {
		newStartDateReal, tmpErr := time.Parse(utils.FormatDate, startDateReal)
		if tmpErr != nil {
			err = tmpErr
			fmt.Println("time.Parse:" + err.Error())
			return
		}
		calendarPreYear = newStartDateReal.Year() - 1
		newStartDateReal = newStartDateReal.AddDate(-1, 0, 0)
		startDateReal = newStartDateReal.Format(utils.FormatDate)
	}
	dataList, minVal, maxVal, err := GetCustomEdbData(varietyEdbId, startDateReal, endDate)
	if err != nil {
		return
	}
	//latestDateStr := edbInfo.LatestDate //实际数据的截止日期
	latestDate, tmpErr := time.Parse(utils.FormatDate, latestDateStr)
	if tmpErr != nil {
		err = errors.New(fmt.Sprint("获取最后实际数据的日期失败,Err:" + tmpErr.Error() + ";LatestDate:" + latestDateStr))
		return
	}
	latestDateYear := latestDate.Year() //实际数据截止年份

	if calendar == "农历" {
		if len(dataList) <= 0 {
			resultData = new(data_manage.EdbDataResult)
		} else {
			result, tmpErr := data_manage.AddCalculateQuarterV4(dataList)
			if tmpErr != nil {
				err = errors.New("获取农历数据失败,Err:" + tmpErr.Error())
				return
			}

			// 处理季节图的截止日期
			for k, edbDataItems := range result.List {
				var cuttingDataTimestamp int64

				// 切割的日期时间字符串
				cuttingDataTimeStr := latestDate.AddDate(0, 0, edbDataItems.BetweenDay).Format(utils.FormatDate)
				//如果等于最后的实际日期，那么遍历找到该日期对应的时间戳，并将其赋值为 切割时间戳
				if edbDataItems.Year >= latestDateYear {
					for _, tmpData := range edbDataItems.Items {
						if tmpData.DataTime == cuttingDataTimeStr {
							cuttingDataTimestamp = tmpData.DataTimestamp
							break
						}
					}
				}
				edbDataItems.CuttingDataTimestamp = cuttingDataTimestamp
				result.List[k] = edbDataItems
			}

			if result.List[0].Year != calendarPreYear {
				itemList := make([]*data_manage.EdbDataList, 0)
				items := new(data_manage.EdbDataItems)
				//items.Year = calendarPreYear
				items.Items = itemList

				newResult := new(data_manage.EdbDataResult)
				newResult.List = append(newResult.List, items)
				newResult.List = append(newResult.List, result.List...)
				resultData = newResult
			} else {
				resultData = result
			}
		}
	} else {
		currentYear := time.Now().Year()

		quarterDataList := make([]*data_manage.QuarterData, 0)
		quarterMap := make(map[int][]*data_manage.EdbDataList)
		var quarterArr []int

		for _, v := range dataList {
			itemDate, tmpErr := time.Parse(utils.FormatDate, v.DataTime)
			if tmpErr != nil {
				err = errors.New("季度指标日期转换,Err:" + tmpErr.Error() + ";DataTime:" + v.DataTime)
				return
			}
			year := itemDate.Year()
			newItemDate := itemDate.AddDate(currentYear-year, 0, 0)
			timestamp := newItemDate.UnixNano() / 1e6
			v.DataTimestamp = timestamp
			if findVal, ok := quarterMap[year]; !ok {
				quarterArr = append(quarterArr, year)
				findVal = append(findVal, v)
				quarterMap[year] = findVal
			} else {
				findVal = append(findVal, v)
				quarterMap[year] = findVal
			}
		}

		for _, v := range quarterArr {
			itemList := quarterMap[v]
			quarterItem := new(data_manage.QuarterData)
			quarterItem.Year = v
			quarterItem.DataList = itemList

			//如果等于最后的实际日期，那么将切割时间戳记录
			if v == latestDateYear {
				var cuttingDataTimestamp int64
				for _, tmpData := range itemList {
					if tmpData.DataTime == latestDateStr {
						cuttingDataTimestamp = tmpData.DataTimestamp
						break
					}
				}
				quarterItem.CuttingDataTimestamp = cuttingDataTimestamp
			} else if v > latestDateYear {
				//如果大于最后的实际日期，那么第一个点就是切割的时间戳
				if len(itemList) > 0 {
					quarterItem.CuttingDataTimestamp = itemList[0].DataTimestamp - 100
				}
			}
			quarterDataList = append(quarterDataList, quarterItem)
		}
		resultData = quarterDataList
	}
	return
}