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

package charge

import (
	"context"
	"encoding/json"
	"fmt"
	"git.getensh.com/common/gopkgs/database"
	"git.getensh.com/common/gopkgs/logger"
	"go.uber.org/zap"
	"google.golang.org/grpc/status"
	"property-garden/errors"
	"property-garden/impl/v1/charge_utils"
	dbmodel "property-garden/model"
	pb_v1 "property-garden/pb/v1"
	"property-garden/utils"
	"time"
)

func checkChargeDelBillListParam(req *pb_v1.ChargeDelBillListRequest) error {
	switch {
	case req.GardenId == 0:
		return status.Error(10003, "小区不能为空")
	}
	if req.Page == 0 {
		req.Page = 1
	}
	if req.PageSize == 0 {
		req.PageSize = 10
	}
	return nil

}

type HouseholdInfo struct {
	Name  string
	Phone string
}

func GetHouseholdInfoFromHouse(houseIds []int64, uids []int64, dbname string) (map[int64]HouseholdInfo, error) {
	if len(houseIds) == 0 && len(uids) == 0 {
		return map[int64]HouseholdInfo{}, nil
	}
	p := dbmodel.NewHouseApprovedGarden(dbname)
	where := map[string]interface{}{
		"house_id in": houseIds,
		"user_type":   1,
	}
	if len(uids) > 0 {
		where = map[string]interface{}{
			"uid in": uids,
		}
	}
	list, err := p.List(database.DB(), where, nil, -1, -1)
	if err != nil {
		return nil, errors.DataBaseError
	}
	if len(houseIds) > 0 {
		m := map[int64]HouseholdInfo{}
		for _, v := range list {
			m[v.HouseId] = HouseholdInfo{Name: v.Name, Phone: v.Phone}
		}
		return m, nil
	}
	m := map[int64]HouseholdInfo{}
	for _, v := range list {
		m[v.Uid] = HouseholdInfo{Name: v.Name, Phone: v.Phone}
	}
	return m, nil

}

func GetHouseholdInfoFromSpace(objIds []int64, dbname string) (map[int64]HouseholdInfo, error) {
	if len(objIds) == 0 {
		return map[int64]HouseholdInfo{}, nil
	}
	space := dbmodel.NewParkSpace(dbname)
	where := map[string]interface{}{
		"id in":      objIds,
		"house_id >": 0,
	}
	spaceList, err := space.List(database.DB(), where, nil, -1, -1)
	if err != nil {
		return nil, errors.DataBaseError
	}
	spaceHouseM := map[int64]int64{}
	houseIds := []int64{}
	for _, v := range spaceList {
		spaceHouseM[v.ID] = v.HouseId
		houseIds = append(houseIds, v.HouseId)
	}
	householdInfosM, err := GetHouseholdInfoFromHouse(houseIds, nil, dbname)
	if err != nil {
		return nil, errors.DataBaseError
	}
	ret := map[int64]HouseholdInfo{}
	for spaceId, houseId := range spaceHouseM {
		ret[spaceId] = householdInfosM[houseId]
	}
	return ret, nil
}

func GethouseholdInfoFromVehicle(vehicleIds []int64, dbname string) (map[int64]HouseholdInfo, error) {
	if len(vehicleIds) == 0 {
		return map[int64]HouseholdInfo{}, nil
	}
	vehicle := dbmodel.NewVehicle(dbname)
	where := map[string]interface{}{
		"id in": vehicleIds,
	}
	vlist, err := vehicle.List(database.DB(), where, nil, -1, -1)
	if err != nil {
		return nil, errors.DataBaseError
	}
	vehicleUserM := map[int64]int64{}
	uids := []int64{}
	for _, v := range vlist {
		vehicleIds[v.ID] = v.HouseholdUid
		uids = append(uids, v.HouseholdUid)
	}

	householdInfosM, err := GetHouseholdInfoFromHouse(nil, uids, dbname)
	if err != nil {
		return nil, errors.DataBaseError
	}
	ret := map[int64]HouseholdInfo{}
	for vehicleId, uid := range vehicleUserM {
		ret[vehicleId] = householdInfosM[uid]
	}
	return ret, nil
}

func ChargeDelBillList(ctx context.Context, req *pb_v1.ChargeDelBillListRequest) (reply *pb_v1.ChargeDelBillListReply, err error) {

	reply = &pb_v1.ChargeDelBillListReply{}

	// 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 = checkChargeDelBillListParam(req)
	if err != nil {
		return nil, err
	}
	dbname := utils.GetGardenDbName(req.GardenId)

	bill := dbmodel.NewChargeBillDel(dbname)
	where := map[string]interface{}{}
	if req.ChargeType > 0 {
		where["charge_type"] = req.ChargeType
	}
	if req.ObjName != "" {
		where["obj_name"] = req.ObjName
	}
	if req.ChargeName != "" {
		where["charge_name"] = req.ChargeName
	}
	if req.ObjType > 0 {
		where["obj_type"] = req.ObjType
	}
	// 账单数量
	reply.Total, err = bill.Count(database.DB(), where, nil)
	if err != nil {
		return nil, errors.DataBaseError
	}
	if reply.Total == 0 {
		return reply, nil
	}

	reply.Page = req.Page
	chargeInfoM, err := charge_utils.GetAllChargeInfos(dbname)
	if err != nil {
		return nil, err
	}
	// 账单列表
	list, err := bill.List(database.DB(), where, nil, int(req.Page), int(req.PageSize))
	if err != nil {
		return nil, errors.DataBaseError
	}
	vehicleIds, spaceIds, houseIds := []int64{}, []int64{}, []int64{}
	for _, v := range list {
		switch v.ObjType {
		case charge_utils.ObjTypeHouse:
			houseIds = append(houseIds, v.ObjId)
		case charge_utils.ObjTypeSpace:
			spaceIds = append(spaceIds, v.ObjId)
		case charge_utils.ObjTypeVehicle:
			vehicleIds = append(vehicleIds, v.ObjId)
		}
	}
	vHouseholdM, err := GethouseholdInfoFromVehicle(vehicleIds, dbname)
	if err != nil {
		return nil, errors.DataBaseError
	}
	sHouseholdM, err := GetHouseholdInfoFromSpace(spaceIds, dbname)
	if err != nil {
		return nil, errors.DataBaseError
	}
	hHouseholdM, err := GetHouseholdInfoFromHouse(houseIds, nil, dbname)
	if err != nil {
		return nil, errors.DataBaseError
	}

	reply.List = make([]*pb_v1.ChargeDelBillItem, len(list))
	for i, v := range list {
		chargeDesc := dbmodel.ChargeDesc{}
		json.Unmarshal([]byte(v.ChargeDesc), &chargeDesc)
		chargeInfo := chargeInfoM[v.ChargeId]
		lfee, _ := charge_utils.GetLateFee(v.Amount, v.ChargeEnd, &chargeInfo)
		item := &pb_v1.ChargeDelBillItem{
			Start:       time.Unix(v.ChargeStart, 0).Format("2006-01-02"),
			End:         time.Unix(v.ChargeEnd, 0).Format("2006-01-02"),
			ChargeType:  v.ChargeType,
			ChargeName:  v.ChargeName,
			Amount:      v.Amount,
			LastUsed:    chargeDesc.PowerLastUsed,
			CurrentUsed: chargeDesc.PowerCurrentUsed,
			LateFee:     lfee,
			BillId:      v.ID,
			ChargeDesc:  charge_utils.GetChargeDesc(chargeDesc),
			PayTime:     time.Unix(v.PayTime, 0).Format("2006-01-02 15:04:05"),
			PayType:     v.PayType,
			ObjName:     v.ObjName,
			ObjType:     v.ObjType,
			DelAt:       v.DelAt.Format("2006-01-02 15:04:05"),
			DelReason:   v.DelReason,
		}

		switch v.ObjType {
		case charge_utils.ObjTypeHouse:
			item.HouseholdName = hHouseholdM[v.ObjId].Name
			item.HouseholdPhone = hHouseholdM[v.ObjId].Phone
		case charge_utils.ObjTypeSpace:
			item.HouseholdName = sHouseholdM[v.ObjId].Name
			item.HouseholdPhone = sHouseholdM[v.ObjId].Phone
		case charge_utils.ObjTypeVehicle:
			item.HouseholdName = vHouseholdM[v.ObjId].Name
			item.HouseholdPhone = vHouseholdM[v.ObjId].Phone
		}
		reply.List[i] = item
	}

	return reply, nil
}