package delivery

import (
	"fmt"
	"math"
	"time"

	"git.rosy.net.cn/baseapi/utils"
	"git.rosy.net.cn/jx-callback/business/jxutils"
	"git.rosy.net.cn/jx-callback/business/model"
	"git.rosy.net.cn/jx-callback/business/model/dao"
	"git.rosy.net.cn/jx-callback/business/partner"
	"git.rosy.net.cn/jx-callback/globals"
)

const (
	warningDistance = 10        // 公里
	warningWeight   = 50 * 1000 // 克
	// maxDiffFee2Mtps = 200       // 与美团配送最多差价
	// maxAddFee       = 200       // 最大增加费用，单位为分，超过不发三方配送了
	defMaxDeliveryFee = 10000 // 创建运单最高价
	alarmFee          = 1500  // 配送费报警阈值
)

func CallCreateWaybillPolicy(deliveryFee, maxDeliveryFee int64, order *model.GoodsOrder, waybillVendorID int) (err error) {
	if maxDeliveryFee <= 0 || maxDeliveryFee > defMaxDeliveryFee {
		maxDeliveryFee = defMaxDeliveryFee
	}
	if deliveryFee > maxDeliveryFee {
		errStr := fmt.Sprintf("超最高限价, 所需运费:%s, 最高限价:%s", jxutils.IntPrice2StandardCurrencyString(deliveryFee), jxutils.IntPrice2StandardCurrencyString(maxDeliveryFee))
		err = fmt.Errorf(errStr)
		globals.SugarLogger.Debugf("CallCreateWaybillPolicy orderID:%s, 平台:%s运单，创建出错:%s", order.VendorOrderID, model.VendorChineseNames[waybillVendorID], errStr)
	}
	return err
}

func CalculateDeliveryFee(db *dao.DaoDB, jxStoreID int, hint string, consigneeLng, consigneeLat, coordinateType, weight int, billTime time.Time) (deliveryFee, addFee int64, err error) {
	globals.SugarLogger.Debugf("CalculateOrderDeliveryFee orderID:%s", hint)
	if db == nil {
		db = dao.GetDB()
	}
	var lng, lat float64
	priceInfo := &struct {
		CityPrice     int64
		DistrictPrice int64
		Lng           int
		Lat           int
	}{}
	if err = dao.GetRow(db, priceInfo, `
		SELECT
		t2.mtps_price city_price, t2.mtps_price district_price, t1.lng, t1.lat
		FROM store t1
		LEFT JOIN place t2 ON t2.level = 2 AND t2.code = t1.city_code
		LEFT JOIN place t3 ON t3.level = 3 AND t2.code = t1.district_code
		WHERE t1.id = ? AND t1.deleted_at = ?
		`, jxStoreID, utils.DefaultTimeValue); err != nil {
		return 0, 0, err
	}
	lng = jxutils.IntCoordinate2Standard(priceInfo.Lng)
	lat = jxutils.IntCoordinate2Standard(priceInfo.Lat)
	if deliveryFee = priceInfo.DistrictPrice; deliveryFee == 0 {
		deliveryFee = priceInfo.CityPrice
	}
	if deliveryFee == 0 {
		globals.SugarLogger.Warnf("CalculateOrderDeliveryFee 查不到美团配送价格 orderID:%s", hint)
		deliveryFee = 650
	}
	if lng == 0 || lat == 0 {
		globals.SugarLogger.Infof("[运营]计算订单配送费orderID:%s,门店:%d没有坐标信息", hint, jxStoreID)
		return 0, 0, fmt.Errorf("找不到门店:%d的坐标", jxStoreID)
	}
	lng2, lat2, _ := jxutils.IntCoordinate2MarsStandard(consigneeLng, consigneeLat, coordinateType)

	var distanceAddFee, weightAddFee, timeAddFee int64

	// 距离加价
	distance := jxutils.WalkingDistance(lng, lat, lng2, lat2)
	if distance > warningDistance {
		globals.SugarLogger.Infof("[运营]计算订单配送费orderID:%s,距离%.3fkm太远,请检查门店坐标信息", hint, distance)
	}
	distanceAddFee = int64(jxutils.CalcStageValue([][]float64{
		[]float64{
			7,
			300,
		},
		[]float64{
			5,
			200,
		},
		[]float64{
			3,
			100,
		},
	}, distance))

	// 重量加价
	if weight > warningWeight {
		globals.SugarLogger.Infof("[运营]计算订单配送费orderID:%s,重量:%dg太重,请检查商品属性", hint, weight)
	}
	weightAddFee = int64(jxutils.CalcStageValue([][]float64{
		[]float64{
			20,
			200,
		},
		[]float64{
			10,
			100,
		},
		[]float64{
			5,
			50,
		},
	}, float64(weight)/1000))

	// 其它加价
	hour, min, sec := billTime.Clock()
	totalSeconds := hour*3600 + min*60 + sec
	// 午高峰加价
	if totalSeconds >= 11*3600 && totalSeconds <= 14*3600 { // 11:00 -- 14:00
		timeAddFee = jxutils.StandardPrice2Int(2)
	} else if totalSeconds >= 21*3600 || totalSeconds <= 6*3600 { // 21:00 -- 06:00 夜间加价
		timeAddFee = jxutils.StandardPrice2Int(3)
	}
	addFee = distanceAddFee + weightAddFee + timeAddFee
	globals.SugarLogger.Debugf("CalculateOrderDeliveryFee orderID:%s, deliveryFee:%d addFee:%d, distance:%.3fkm distanceAddFee:%d, weight:%dg weightAddFee:%d, time:%s timeAddFee:%d",
		hint, deliveryFee, addFee, distance, distanceAddFee, weight, weightAddFee, utils.Time2TimeStr(billTime), timeAddFee)
	return deliveryFee + addFee, addFee, nil
}

func CalculateOrderDeliveryFee(order *model.GoodsOrder, billTime time.Time, db *dao.DaoDB) (deliveryFee, addFee int64, err error) {
	return CalculateDeliveryFee(db, jxutils.GetSaleStoreIDFromOrder(order), order.VendorOrderID, order.ConsigneeLng, order.ConsigneeLat, order.CoordinateType, order.Weight, billTime)
}

func CalculateBillDeliveryFee(bill *model.Waybill) (deliveryFee, addFee int64) {
	order, err := partner.CurOrderManager.LoadOrder(bill.VendorOrderID, bill.OrderVendorID)
	if err != nil {
		return 0, 0
	}
	deliveryFee, addFee, _ = CalculateOrderDeliveryFee(order, bill.StatusTime, nil)
	return deliveryFee, addFee
}

func OnWaybillCreated(waybill *model.Waybill) {
	deliveryFee := int64(math.Max(float64(waybill.DesiredFee), float64(waybill.ActualFee)))
	if deliveryFee > alarmFee {
		globals.SugarLogger.Infof("[运营]%s订单, orderID:%s, 成功创建%s运单:%s, 配送费:%s太高(大于%s),请知悉!", model.VendorChineseNames[waybill.OrderVendorID], waybill.VendorOrderID,
			model.VendorChineseNames[waybill.WaybillVendorID], waybill.VendorWaybillID, jxutils.IntPrice2StandardCurrencyString(deliveryFee), jxutils.IntPrice2StandardCurrencyString(alarmFee))
	}
}