// Copyright 2019 getensh.com. All rights reserved.
// Use of this source code is governed by getensh.com.

package charge_conf

import (
	"context"
	"encoding/json"
	"fmt"
	"property-garden/errors"
	"property-garden/impl/v1/charge_utils"
	dbmodel "property-garden/model"
	pb_v1 "property-garden/pb/v1"
	"property-garden/utils"
	"time"

	"git.getensh.com/common/gopkgs/database"
	"git.getensh.com/common/gopkgs/logger"
	"go.uber.org/zap"
	"google.golang.org/grpc/status"
)

func checkVehicleChargeConfAddParam(req *pb_v1.ChargeConfAddRequest) error {
	switch {
	case req.GardenId < 1:
		return status.Error(10003, "小区不能为空")
	case charge_utils.ChargeTypeM[req.ChargeType] == "":
		return status.Error(10003, "费用类型不能为空")
	case req.ChargeBasis == charge_utils.ChargeBasisFix && req.FixAmount < 1:
		return status.Error(10003, "按固定费用计价，固定费用不能为空")
	case req.ChargeName == "":
		return status.Error(10003, "费用名称不能为空")
	case req.ChargeBasis != charge_utils.ChargeBasisFix && req.ChargeBasis != charge_utils.ChargeBasisSelf:
		return status.Error(10003, "月租车费用只能为固定/自定义")
	}
	return nil
}
func checkChargeConfAddParam(req *pb_v1.ChargeConfAddRequest) error {
	if charge_utils.ChargeTypeM[req.ChargeType] == "" {
		return status.Error(10003, "费用类型不能为空")
	}
	if !req.LateFeeEnable {
		req.LateFeePercent = 0
		req.LateFeeMaxDays = 0
		req.LateFeeDay = 0
	}
	req.BillPeriodType = 1

	switch {
	case req.ChargeType == charge_utils.ChargeTypeProperty:
		req.ChargeTimeType = charge_utils.ChargeTimeTypePeriod
		if req.ChargeBasis != charge_utils.ChargeBasisUsedArea &&
			req.ChargeBasis != charge_utils.ChargeBasisArea &&
			req.ChargeBasis != charge_utils.ChargeBasisFix {
			return status.Error(10003, "物业费只能按房屋面积/使用面积/固定费用")
		}
	case charge_utils.IsPowerChargeType[req.ChargeType]:
		req.ChargeTimeType = 0
		if req.ChargeBasis != charge_utils.ChargeBasisUsed {
			return status.Error(10003, "水电气费只能按使用量")
		}
	case req.ChargeType == charge_utils.ChargeTypeSpace:
		req.ChargeTimeType = charge_utils.ChargeTimeTypePeriod
		if req.ChargeBasis != charge_utils.ChargeBasisSpaceArea &&
			req.ChargeBasis != charge_utils.ChargeBasisFix {
			return status.Error(10003, "车位管理费只能按房屋面积/使用面积/固定费用")
		}
	case req.ChargeType == charge_utils.ChargeTypeVehicle:
		req.ChargeTimeType = 0
		return checkVehicleChargeConfAddParam(req)
	}

	switch {
	case req.GardenId < 1:
		return status.Error(10003, "小区不能为空")
	case charge_utils.ChargeBasisM[req.ChargeBasis] == "" && !charge_utils.IsPowerChargeType[req.ChargeType]:
		return status.Error(10003, "计费规则不能为空")
	case charge_utils.ChargeTypeM[req.ChargeType] == "":
		return status.Error(10003, "费用类型不能为空")
	case charge_utils.ChargeTimeTypeM[req.ChargeTimeType] == "" && !charge_utils.IsPowerChargeType[req.ChargeType]:
		return status.Error(10003, "缴费时间类型不能为空")
	case req.ChargeBasis == charge_utils.ChargeBasisFix && req.FixAmount < 1:
		return status.Error(10003, "按固定费用计价，固定费用不能为空")
	case req.ChargeName == "":
		return status.Error(10003, "费用名称不能为空")
	case req.ChargeBasis != charge_utils.ChargeBasisFix && req.UnitPrice < 1:
		return status.Error(10003, "单价不能为空")
	case req.ChargeTimeType == charge_utils.ChargeTimeTypePeriod && charge_utils.BillPeriodM[req.BillPeriod] == "":
		return status.Error(10003, "账单生成周期错误")
	case req.ChargeEffectiveTime < 1:
		return status.Error(10003, "费用生效时间错误")
	case req.LateFeeEnable:
		if req.LateFeeDay == 0 || req.LateFeePercent <= 0 {
			return status.Error(10003, "滞纳金参数不能为空")
		}

	}
	return nil

}

func ChargeConfAdd(ctx context.Context, req *pb_v1.ChargeConfAddRequest) (reply *pb_v1.ChargeConfAddReply, err error) {

	reply = &pb_v1.ChargeConfAddReply{}

	// 捕获各个task中的异常并返回给调用者
	defer func() {
		if r := recover(); r != nil {
			err = fmt.Errorf("%+v", r)
			e := &status.Status{}
			if er := json.Unmarshal([]byte(err.Error()), e); er != nil {
				logger.Error("err",
					zap.String("system_err", err.Error()),
					zap.Stack("stacktrace"))
			}
		}
	}()
	// 参数检查
	err = checkChargeConfAddParam(req)
	if err != nil {
		return nil, err
	}
	now := time.Now()
	dbname := utils.GetGardenDbName(req.GardenId)
	lateFeeEnable := int32(1)
	if !req.LateFeeEnable {
		lateFeeEnable = 2
	}
	if req.ChargeBasis == charge_utils.ChargeBasisSelf {
		req.FixAmount = 0
		req.UnitPrice = 0
	}
	chargeConf := &dbmodel.TChargeConf{
		ChargeEffectiveTime: req.ChargeEffectiveTime,
		BillPeriodType:      req.BillPeriodType,
		BillPeriod:          req.BillPeriod,
		LateFeePercent:      req.LateFeePercent,
		LateFeeDay:          req.LateFeeDay,
		LateFeeEnable:       lateFeeEnable,
		LateFeeMaxDays:      req.LateFeeMaxDays,
		ChargeType:          req.ChargeType,
		ChargeName:          req.ChargeName,
		ChargeTimeType:      req.ChargeTimeType,
		ChargeBasis:         req.ChargeBasis,
		FixAmount:           req.FixAmount,
		FixAmountName:       req.FixAmountName,
		UnitPrice:           req.UnitPrice,
		UpdatedAt:           now,
		CreatedAt:           now,
	}
	chargeConf.SetTable(dbname)
	err = chargeConf.Insert(database.DB())
	if err != nil {
		return nil, errors.DataBaseError
	}
	reply.Id = chargeConf.ID

	return reply, nil
}