package controllers

import (
	"encoding/json"
	"eta/eta_forum_admin/models"
	"eta/eta_forum_admin/services"
	"eta/eta_forum_admin/utils"
	"fmt"
	"strings"
	"time"
)

type ChartInfoController struct {
	BaseAuthController
}

// ChartInfoDetail
// @Title 获取图表详情
// @Description 获取图表详情接口
// @Param   ChartInfoId   query   int  true       "图表id"
// @Param   DateType   query   int  true       "日期类型:1:00年至今,2:10年至今,3:15年至今，4：年初至今，5:自定义时间"
// @Param   StartDate   query   string  true       "自定义开始日期"
// @Param   EndDate   query   string  true       "自定义结束日期"
// @Param   Calendar   query   string  true       "公历/农历"
// @Param   SeasonStartDate   query   string  true       "季节性图开始日期"
// @Param   SeasonEndDate   query   string  true       "季节性图结束日期"
// @Param   EdbInfoId   query   string  true       "指标ID，多个用英文逗号隔开"
// @Param   ChartType   query   int  true       "生成样式:1:曲线图,2:季节性图"
// @Success 200 {object} models.ChartInfoDetailResp
// @router /detail [get]
func (this *ChartInfoController) ChartInfoDetail() {
	br := new(models.BaseResponse).Init()
	defer func() {
		this.Data["json"] = br
		this.ServeJSON()
	}()
	sysUser := this.SysUser
	if sysUser == nil {
		br.Msg = "请登录"
		br.ErrMsg = "请登录，SysUser Is Empty"
		br.Ret = 408
		return
	}
	chartInfoId, _ := this.GetInt("ChartInfoId")

	dateType, _ := this.GetInt("DateType")
	fmt.Println("dateType:", dateType)
	if dateType <= 0 {
		dateType = 3
	}

	startDate := this.GetString("StartDate")
	endDate := this.GetString("EndDate")
	startYear, _ := this.GetInt("StartYear")

	edbInfoId := this.GetString("EdbInfoId")
	chartType, _ := this.GetInt("ChartType")

	calendar := this.GetString("Calendar")
	if calendar == "" {
		calendar = "公历"
	}

	var err error
	chartInfo := new(models.ChartInfoView)
	chartInfo.HaveOperaAuth = true

	if chartInfoId > 0 {
		chartInfo, err = models.GetChartInfoViewById(chartInfoId)
		if err != nil {
			if err.Error() == utils.ErrNoRow() {
				br.Msg = "该图表已删除，自动查看下一图表"
				br.ErrMsg = "该图表已删除，自动查看下一图表，Err:" + err.Error()
				br.Ret = 406
				return
			}
			br.Msg = "获取失败"
			br.ErrMsg = "获取图表信息失败，Err:" + err.Error()
			return
		}
		chartType = chartInfo.ChartType

		// 获取主题样式
		chartTheme, err := services.GetChartThemeConfig(chartInfo.ChartThemeId, chartInfo.Source, chartInfo.ChartType)
		if err != nil {
			br.Msg = "获取失败"
			br.ErrMsg = "获取主题信息失败，Err:" + err.Error()
			return
		}
		chartInfo.ChartThemeStyle = chartTheme.Config
		chartInfo.ChartThemeId = chartTheme.ChartThemeId
	}

	resp := new(models.ChartInfoDetailResp)

	mappingList := make([]*models.ChartEdbInfoMapping, 0)
	if chartInfoId > 0 {
		mappingList, err = models.GetChartEdbMappingList(chartInfoId)
		if err != nil {
			br.Msg = "获取失败"
			br.ErrMsg = "获取图表，指标信息失败，Err:" + err.Error()
			return
		}
	} else {
		if edbInfoId != "" {
			edbInfoIds := strings.Split(edbInfoId, ",")
			mappingList, err = models.GetChartEdbMappingListByEdbInfoId(edbInfoIds)
			if err != nil {
				br.Msg = "获取失败"
				br.ErrMsg = "获取图表，指标信息失败，Err:" + err.Error()
				return
			}
		}
	}

	// 图表额外数据参数
	extraConfigStr := chartInfo.ExtraConfig
	// 柱方图的一些配置
	var barConfig models.BarChartInfoReq
	if chartInfo != nil && chartInfo.ChartType == 7 {
		if chartInfo.BarConfig == `` {
			br.Msg = "柱方图未配置"
			br.ErrMsg = "柱方图未配置"
			return
		}
		err := json.Unmarshal([]byte(chartInfo.BarConfig), &barConfig)
		if err != nil {
			br.Msg = "柱方图配置异常"
			br.ErrMsg = "柱方图配置异常"
			return
		}
		extraConfigStr = chartInfo.BarConfig
	}
	yearMax := 0
	if dateType == utils.DateTypeNYears {
		for _, v := range mappingList {
			if v.LatestDate != "" {
				lastDateT, tErr := time.Parse(utils.FormatDate, v.LatestDate)
				if tErr != nil {
					br.Msg = "获取失败"
					br.ErrMsg = "获取图表日期信息失败，Err:" + tErr.Error()
					return
				}
				if lastDateT.Year() > yearMax {
					yearMax = lastDateT.Year()
				}
			}
		}
	}
	// 开始/结束日期
	startDate, endDate = utils.GetDateByDateTypeV2(dateType, startDate, endDate, startYear, yearMax)

	// 获取图表中的指标数据
	edbList, xEdbIdValue, yDataList, dataResp, err, errMsg := services.GetChartEdbData(chartInfoId, chartType, calendar, startDate, endDate, mappingList, extraConfigStr, chartInfo.SeasonExtraConfig)
	if err != nil {
		br.Msg = "获取失败"
		if errMsg != `` {
			br.Msg = errMsg
		}
		br.ErrMsg = "获取图表，指标信息失败，Err:" + err.Error()
		return
	}
	// 单位
	if chartType == utils.CHART_TYPE_BAR && len(yDataList) > 0 {
		chartInfo.Unit = yDataList[0].Unit
		chartInfo.UnitEn = yDataList[0].UnitEn
	}
	warnEdbList := make([]string, 0)
	for _, v := range edbList {
		if v.IsNullData {
			warnEdbList = append(warnEdbList, v.EdbName+"("+v.EdbCode+")")
		}
	}
	if len(warnEdbList) > 0 {
		chartInfo.WarnMsg = `图表引用指标异常，异常指标：` + strings.Join(warnEdbList, "，")
	}
	if chartInfoId > 0 && chartInfo != nil {
		if chartInfo.ChartType == 2 {
			if chartInfo.SeasonStartDate != "" {
				chartInfo.StartDate = chartInfo.SeasonStartDate
				chartInfo.EndDate = chartInfo.SeasonEndDate
				if chartInfo.DateType == 3 {
					chartInfo.DateType = 5
				}
			}
		}
	}

	// 图表的指标来源
	sourceNameList, sourceNameEnList := services.GetEdbSourceByEdbInfoIdList(edbList)
	chartInfo.ChartSource = strings.Join(sourceNameList, ",")
	chartInfo.ChartSourceEn = strings.Join(sourceNameEnList, ",")
	//判断是否需要展示英文标识
	chartInfo.IsEnChart = services.CheckIsEnChart(chartInfo.ChartNameEn, edbList, chartInfo.Source, chartInfo.ChartType)

	resp.EdbInfoList = edbList
	resp.XEdbIdValue = xEdbIdValue
	resp.YDataList = yDataList
	resp.DataResp = dataResp

	chartInfo.Button = models.ChartViewButton{
		IsEdit:    chartInfo.IsEdit,
		IsEnChart: chartInfo.IsEnChart,
		IsAdd:     chartInfo.IsAdd,
		IsCopy:    true,
		IsSetName: chartInfo.IsSetName,
	}

	resp.ChartInfo = chartInfo
	resp.BarChartInfo = barConfig
	br.Ret = 200
	br.Success = true
	br.Msg = "获取成功"
	br.Data = resp
}