package controllers

import (
	"encoding/json"
	"eta/eta_index_lib/logic"
	"eta/eta_index_lib/models"
	tradeAnalysisModel "eta/eta_index_lib/models/trade_analysis"
	tradeAnalysisService "eta/eta_index_lib/services/trade_analysis"
	"eta/eta_index_lib/utils"
	"fmt"
	"time"
)

// BaseFromTradeAnalysisController 持仓分析指标
type BaseFromTradeAnalysisController struct {
	BaseAuthController
}

// EdbRefresh
// @Title 指标库刷新
// @Description 指标库刷新
// @Success 200 {object} models.RefreshEdbInfoReq
// @router /edb/refresh [post]
func (this *BaseFromTradeAnalysisController) EdbRefresh() {
	br := new(models.BaseResponse).Init()
	defer func() {
		if br.ErrMsg == "" {
			br.IsSendEmail = false
		}
		this.Data["json"] = br
		this.ServeJSON()
	}()
	var req models.RefreshEdbInfoReq
	err := json.Unmarshal(this.Ctx.Input.RequestBody, &req)
	if err != nil {
		br.Msg = "参数解析异常！"
		br.ErrMsg = "参数解析失败，Err:" + err.Error()
		return
	}
	if req.EdbCode == "" {
		br.Msg = "请输入指标编码！"
		br.ErrMsg = "请输入指标编码，指标编码为空"
		return
	}
	if req.EdbInfoId < 0 {
		br.Msg = "请输入指标ID！"
		br.ErrMsg = "请输入指标ID"
		return
	}
	edbOb := new(models.EdbTradeAnalysis)
	source := edbOb.GetSource()

	cacheKey := fmt.Sprintf("%s_%d_%s", utils.CACHE_EDB_DATA_REFRESH, source, req.EdbCode)
	if utils.Rc.IsExist(cacheKey) {
		br.Ret = 501
		br.Success = true
		br.Msg = "系统处理中，请稍后重试"
		return
	}
	utils.Rc.SetNX(cacheKey, 1, 1*time.Minute)
	defer func() {
		_ = utils.Rc.Delete(cacheKey)
	}()

	// 获取指标详情
	edbInfo, e := models.GetEdbInfoByEdbCode(source, req.EdbCode)
	if e != nil {
		br.Msg = "指标不存在"
		br.ErrMsg = fmt.Sprintf("指标不存在, %v", e)
		return
	}
	formula := edbInfo.CalculateFormula

	// 校验计算公式
	var extraConfig tradeAnalysisModel.WarehouseExtraConfig
	if formula == `` {
		br.Msg = "指标计算公式有误"
		br.ErrMsg = fmt.Sprintf("指标计算公式有误, conf: %s", formula)
		return
	}
	if e := json.Unmarshal([]byte(formula), &extraConfig); e != nil {
		br.Msg = "指标计算公式有误"
		br.ErrMsg = fmt.Sprintf("指标计算公式解析失败, err: %v; conf: %s", e, formula)
		return
	}
	if extraConfig.Exchange == "" {
		br.Msg = "指标计算公式有误"
		br.ErrMsg = fmt.Sprintf("指标计算公式交易所异常, conf: %s", formula)
		return
	}
	if extraConfig.ClassifyName == "" {
		br.Msg = "指标计算公式有误"
		br.ErrMsg = fmt.Sprintf("指标计算公式品种异常, conf: %s", formula)
		return
	}
	if len(extraConfig.Contracts) == 0 {
		br.Msg = "指标计算公式有误"
		br.ErrMsg = fmt.Sprintf("指标计算公式合约异常, conf: %s", formula)
		return
	}
	if len(extraConfig.Companies) != 1 {
		br.Msg = "指标计算公式有误"
		br.ErrMsg = fmt.Sprintf("指标计算公式期货公司异常, conf: %s", formula)
		return
	}
	if extraConfig.PredictRatio < 0 || extraConfig.PredictRatio > 1 {
		br.Msg = "指标计算公式有误"
		br.ErrMsg = fmt.Sprintf("指标计算公式估计参数异常, conf: %s", formula)
		return
	}

	// 获取指标数据, 该图表未用实际指标, 为了统一数据格式用ChartEdbInfoMapping
	companyTradeData, e := tradeAnalysisService.GetOriginTradeData(extraConfig.Exchange, extraConfig.ClassifyName, extraConfig.Contracts, extraConfig.Companies, extraConfig.PredictRatio)
	if e != nil {
		br.Msg = "获取失败"
		br.ErrMsg = fmt.Sprintf("获取期货公司持仓加总数据失败, %v", e)
		return
	}
	if len(companyTradeData) == 0 {
		br.Msg = "期货数据为空"
		return
	}

	// 转换持仓数据为指标数据
	convertData, e := tradeAnalysisService.FormatCompanyTradeData2EdbData(companyTradeData[0], extraConfig.WarehouseChartType)
	if e != nil {
		br.Msg = "获取失败"
		br.ErrMsg = fmt.Sprintf("持仓数据转为指标数据失败, %v", e)
		return
	}

	// 刷新指标
	if e = edbOb.Refresh(edbInfo, convertData); e != nil {
		br.Msg = "刷新指标失败"
		br.ErrMsg = fmt.Sprintf("刷新指标失败, %v", e)
		return
	}

	// 更新指标最值
	if e = edbOb.UnifiedModifyEdbInfoMaxAndMinInfo(edbInfo); e != nil {
		br.Msg = "刷新指标失败"
		br.ErrMsg = fmt.Sprintf("更新指标最值失败, %v", e)
		return
	}

	// 更新ES
	go logic.UpdateEs(edbInfo.EdbInfoId)

	br.Ret = 200
	br.Success = true
	br.Msg = "操作成功"
}