package erms3

import (
	"encoding/json"
	"math"
	"mtp2_if/db"
	"mtp2_if/global/app"
	"mtp2_if/global/e"
	"mtp2_if/logger"
	"mtp2_if/models"
	"net/http"
	"time"

	"github.com/gin-gonic/gin"
)

// RecordUtcCount UTC计数(毫秒)
var RecordUtcCount int = 0

// SecondCount 秒计数
var SecondCount int = 0

// SpotPriceOrder 定价明细
type SpotPriceOrder struct {
	Price  float64 `json:"price" binding:"required"`  // 价格
	Qty    float64 `json:"qty" binding:"required"`    // 数量
	Amount float64 `json:"amount" binding:"required"` // 金额
}

// SpotPointOrder 点价明细
type SpotPointOrder struct {
	GoodsID   int32   `json:"goodsid" binding:"required"`   // 商品ID
	GoodsName string  `json:"goodsname"`                    // 商品名称
	Qty       float64 `json:"qty" binding:"required"`       // 数量
	Basic     float64 `json:"basic" binding:"required"`     // 基差
	StartDate string  `json:"startdate" binding:"required"` // 点价开始日期
	EndDate   string  `json:"enddate" binding:"required"`   // 点价结束日期
}

// SoptContractDetail 合同明细信息
type SoptContractDetail struct {
	WrStandardID         int64            `json:"wrstandardid" binding:"required"`    // 交易标的ID
	WrStandardName       string           `json:"wrstandardname" binding:"required"`  // 交易标的名称
	ProductType          int32            `json:"producttype" binding:"required"`     // 产品类型 1:标准仓单 2:等标 3:非标
	ProductTypeName      string           `json:"producttypename"`                    // 产品类型名称
	DeliveryGoodsID      int32            `json:"deliverygoodsid" binding:"required"` // 现货品种ID
	DeliveryGoodsName    string           `json:"deliverygoodsname"`                  // 现货品种名称
	DeliveryGoodsDesc    string           `json:"deliverygoodsdesc"`                  // 现货品种说明
	WarehouseID          int32            `json:"warehouseid" binding:"required"`     // 仓库ID
	WarehouseName        int32            `json:"warehousename"`                      // 仓库名称
	UnitName             string           `json:"unitname" binding:"required"`        // 单位名称
	PointDesc            string           `json:"pointdesc"`                          // 点价描述
	SpotPriceOrderList   []SpotPriceOrder `json:"spotPriceOrderList"`                 // 定价列表
	SpotPointOrderVoList []SpotPointOrder `json:"spotPointOrderVoList"`               // 点价列表
}

// SoptContractDetailSum 合同明细信息汇总(组织JSON使用)
type SoptContractDetailSum struct {
	WrStandardID          int64            `json:"wrstandardid" binding:"required"`    // 交易标的ID
	WrStandardName        string           `json:"wrstandardname" binding:"required"`  // 交易标的名称
	ProductType           int32            `json:"producttype" binding:"required"`     // 产品类型 1:标准仓单 2:等标 3:非标
	ProductTypeName       string           `json:"producttypename"`                    // 产品类型名称
	DeliveryGoodsID       int32            `json:"deliverygoodsid" binding:"required"` // 现货品种ID
	DeliveryGoodsName     string           `json:"deliverygoodsname"`                  // 现货品种名称
	DeliveryGoodsDesc     string           `json:"deliverygoodsdesc"`                  // 现货品种说明
	WarehouseID           int32            `json:"warehouseid" binding:"required"`     // 仓库ID
	WarehouseName         int32            `json:"warehousename"`                      // 仓库名称
	UnitName              string           `json:"unitname" binding:"required"`        // 单位名称
	PointDesc             string           `json:"pointdesc"`                          // 点价描述
	SpotPriceOrderList    []SpotPriceOrder `json:"spotPriceOrderList"`                 // 定价列表
	SpotPointOrderVoList  []SpotPointOrder `json:"spotPointOrderVoList"`               // 点价列表
	TotalPriceOrderQty    float64          `json:"totalPriceOrderQty"`                 // 定价总数量
	TotalPriceOrderPrice  float64          `json:"totalPriceOrderPrice"`               // 定价总价格
	TotalPriceOrderAmount float64          `json:"totalPriceOrderAmount"`              // 定价总金额
	TotalPointOrderQty    float64          `json:"totalPointOrderQty"`                 // 点价总数量
	TotalQty              float64          `json:"totalQty"`                           // 总数量
}

// AddSpotContractApplyReq 新增现货合同申请请求
type AddSpotContractApplyReq struct {
	ContractNo         string               `json:"contractno" binding:"required"`        // 现货合同编号
	ContractType       int32                `json:"contracttype" binding:"required"`      // 现货合同类型 - 1:采购 -1:销售
	AreaUserID         int32                `json:"areauserid" binding:"required"`        // 所属机构
	AccountID          int64                `json:"accountid" binding:"required"`         // 资金账户ID
	CustomerUserID     int32                `json:"customeruserid" binding:"required"`    // 客户ID
	CustomerAccountID  int64                `json:"customeraccountid" binding:"required"` // 客户资金账户ID
	SignDate           time.Time            `json:"signdate" binding:"required"`          // 签订日期
	LastDate           time.Time            `json:"lastdate" binding:"required"`          // 交货时间
	ContractAttachment string               `json:"contractattachment"`                   // 合同附件
	OriMarginPayer     int32                `json:"orimarginpayer" binding:"required"`    // 初始保证金支付方 -1:买方 2:卖方
	OriMargin          float64              `json:"orimargin" binding:"required"`         // 初始保证金
	Remark             string               `json:"remark"`                               // 备注
	MarketID           int32                `json:"marketid" binding:"required"`          // 市场ID
	CreatorID          int32                `json:"creatorid"`                            // 申请人
	Details            []SoptContractDetail `json:"details" binding:"required"`           // 明细
}

// AddSpotContractApplyRsp 新增现货合同申请响应
type AddSpotContractApplyRsp struct {
	SpotContractID int64  `json:"spotcontractid"   binging:"required"` // 现货合同ID(345+Unix秒时间戳(10位)+xxxxxx)
	ContractNo     string `json:"contractno" binding:"required""`      // 现货合同编号
}

// AddSpotContractApply 新增现货合同申请
// @Summary 新增现货合同申请
// @Produce json
// @Security ApiKeyAuth
// @Param contractno query string true "现货合同编号"
// @Param contracttype query int true "现货合同类型, 1:采购 -1:销售"
// @Param areauserid query int true "所属机构"
// @Param accountid query int true "资金账户ID"
// @Param customeruserid query int true "客户ID"
// @Param customeraccountid query int true "客户资金账户ID"
// @Param signdate query string true "签订日期, 格式:yyyy-MM-dd HH:mm:ss"
// @Param lastdate query string true "交货时间, 格式:yyyy-MM-dd HH:mm:ss"
// @Param contractattachment query string true "合同附件"
// @Param orimarginpayer query int true "初始保证金支付方, 1:买方 2:卖方"
// @Param orimargin query float true "初始保证金"
// @Param remark query string true "备注"
// @Param marketid query int true "市场ID"
// @Param creatorid query int true "申请人"
// @Param details query []SoptContractDetail true "明细"
// @Success 200 {object} AddSpotContractApplyRsp
// @Failure 500 {object} app.Response
// @Router /Erms3/AddSpotContractApply [post]
// @Tags 风险管理
func AddSpotContractApply(c *gin.Context) {
	appG := app.Gin{C: c}

	// 获取请求参数
	var req AddSpotContractApplyReq
	err := appG.C.ShouldBindQuery(&req)
	if err != nil {
		logger.GetLogger().Errorf("AddSpotContractApply failed: %s", err.Error())
		appG.Response(http.StatusBadRequest, e.INVALID_PARAMS, nil)
		return
	}

	// 生成申请ID
	spotcontractid := GenSpotContractID()

	// 获取当前交易日
	tradedate, err := GetMarketTradeDate(int(req.MarketID))
	if err != nil {
		// 返回失败
		logger.GetLogger().Errorf("AddSpotContractApply get market trade date failed: %s", err.Error())
		appG.Response(http.StatusBadRequest, e.ERROR_OPERATION_FAILED, nil)
		return
	}

	// 根据明细，生成JSON信息
	detailjson, err := BuildDetailJSON(req.Details)
	if err != nil {
		// 返回失败
		logger.GetLogger().Errorf("AddSpotContractApply build detail json failed: %s", err.Error())
		appG.Response(http.StatusBadRequest, e.ERROR_OPERATION_FAILED, nil)
		return
	}

	// 组织sql，插入现货合同申请信息
	sql := `INSERT INTO ERMS3_SPOTCONTRACTAPPLY(SPOTCONTRACTID,
				TRADEDATE,
				CONTRACTNO,
				CONTRACTTYPE,
				AREAUSERID,
				ACCOUNTID,
				CUSTOMERUSERID,
				CUSTOMERACCOUNTID,
				SIGNDATE,
				LASTDATE,
				CONTRACTATTACHMENT,
				ORIMARGINPAYER,
				ORIMARGIN,
				REMARK,
				DETAILJSON,
				APPLYSTATUS,
				APPLYSRC,
				MARKETID,
				CREATORID,
				CREATETIME)
			VALUES(
				?,
				?,
				?,
				?,
				?,
				?,
				?,
				?,
				to_date(?, 'YYYY-MM-DD HH24:MI:SS'),
				to_date(?, 'YYYY-MM-DD HH24:MI:SS'),
				?,
				?,
				?,
				?,
				?,
				0,
				2,
				?,
				?,
				sysdate)`

	engine := db.GetEngine()
	if _, err := engine.Exec(sql,
		spotcontractid,
		tradedate,
		req.ContractNo,
		req.ContractType,
		req.AreaUserID,
		req.AccountID,
		req.CustomerUserID,
		req.CustomerAccountID,
		req.SignDate,
		req.LastDate,
		req.ContractAttachment,
		req.OriMarginPayer,
		req.OriMargin,
		req.Remark,
		detailjson,
		req.MarketID,
		req.CreatorID); err != nil {
		// 插入失败
		logger.GetLogger().Errorf("AddSpotContractApply failed: %s", err.Error())
		appG.Response(http.StatusBadRequest, e.ERROR_OPERATION_FAILED, nil)
		return
	}

	rsp := AddSpotContractApplyRsp{
		SpotContractID: spotcontractid,
		ContractNo:     req.ContractNo,
	}

	// 查询成功
	logger.GetLogger().Debugln("AddSpotContractApply successed: %v", rsp)
	appG.Response(http.StatusOK, e.SUCCESS, rsp)
}

// GenSpotContractID 生成现货合同ID
func GenSpotContractID() int64 {
	// 获取当前时间
	cur := time.Now()

	// UnitNano获取的是纳秒，除以1000000获取毫秒级的时间戳
	timestamp := cur.UnixNano() / 1000000

	// 除以1000获取秒级的时间戳
	var curutc int = int(timestamp / 1000)
	if RecordUtcCount == curutc {
		SecondCount = SecondCount + 1
	} else {
		RecordUtcCount = curutc
		SecondCount = 1
	}

	var id int64 = int64(345)*int64(math.Pow(10, 16)) + int64(RecordUtcCount)*int64(math.Pow(10, 6)) + int64(SecondCount)
	return id
}

// GetMarketTradeDate 获取市场交易日
func GetMarketTradeDate(marketid int) (string, error) {
	marketrun, err := models.GetMarketRun(marketid)
	if err != nil {
		return "", err
	}
	return marketrun.Tradedate, nil
}

// BuildDetailJSON 组件合同明细JSON
func BuildDetailJSON(details []SoptContractDetail) (string, error) {
	detailsums := make([]SoptContractDetailSum, 0)

	for _, detail := range details {
		var totalpriceorderqty float64 = 0
		var totalpriceorderprice float64 = 0
		var totalpriceorderamount float64 = 0
		var totalpointorderqty float64 = 0
		var totalqty float64 = 0

		for _, spotpriceorder := range detail.SpotPriceOrderList {
			totalpriceorderqty = totalpriceorderqty + spotpriceorder.Qty
			totalpriceorderprice = totalpriceorderprice + spotpriceorder.Price
			totalpriceorderamount = totalpriceorderamount + spotpriceorder.Amount
		}

		for _, spotpointorder := range detail.SpotPointOrderVoList {
			totalpointorderqty = totalpointorderqty + spotpointorder.Qty
		}

		totalqty = totalpriceorderqty + totalpointorderqty

		var detailsum SoptContractDetailSum
		detailsum = SoptContractDetailSum{
			WrStandardID:          detail.WrStandardID,
			WrStandardName:        detail.WrStandardName,
			ProductType:           detail.ProductType,
			ProductTypeName:       detail.ProductTypeName,
			DeliveryGoodsID:       detail.DeliveryGoodsID,
			DeliveryGoodsName:     detail.DeliveryGoodsName,
			DeliveryGoodsDesc:     detail.DeliveryGoodsDesc,
			WarehouseID:           detail.WarehouseID,
			WarehouseName:         detail.WarehouseName,
			UnitName:              detail.UnitName,
			PointDesc:             detail.PointDesc,
			SpotPriceOrderList:    detail.SpotPriceOrderList,
			SpotPointOrderVoList:  detail.SpotPointOrderVoList,
			TotalPriceOrderQty:    totalpriceorderqty,
			TotalPriceOrderPrice:  totalpriceorderprice,
			TotalPriceOrderAmount: totalpriceorderamount,
			TotalPointOrderQty:    totalpointorderqty,
			TotalQty:              totalqty,
		}
		detailsums = append(detailsums, detailsum)
	}

	jsoninfo, err := json.Marshal(detailsums)
	if err != nil {

		return "", err
	}
	return string(jsoninfo), nil
}