package handler

import (
	"fmt"
	jsoniter "github.com/json-iterator/go"
	"reflect"
	"server/call"
	"server/common"
	"server/modules/backend/app"
	"server/modules/backend/values"
	"server/natsClient"
	"server/pb"
	"server/util"
	"sort"
	"strings"
	"time"

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

// ConfigControlCommon 所有调控配置通用逻辑
func ConfigControlCommon(c *gin.Context) {
	a := app.NewApp(c)
	defer func() {
		a.Response()
	}()
	path := c.Request.URL.Path
	path = strings.ReplaceAll(path, "/gm/control/", "")
	all := strings.Split(path, "/")
	if len(all) > 2 {
		a.Code = values.CodeRetry
		return
	}
	t := all[0]
	opt := all[1]
	reloadType := values.GetControlType(t)
	element, list := common.GetConfigStructByType(reloadType)
	var resp interface{}
	if opt == "list" {
		if !a.MGetAll(element, list) {
			return
		}
		resp = CheckSpecial(reloadType, list)
		if resp == nil {
			resp = values.GMConfigCommonListResp{Config: list}
		}
	} else if opt == "edit" {
		req := new(values.GMConfigCommonEditReq)
		if !a.S(req) {
			return
		}
		err := CheckEditSpecial(reloadType, element, req.Config, a)
		if err != nil {
			a.Msg = err.Error()
			return
		}
		if !a.MUpdateAll(req.Config, element) {
			return
		}
		call.Publish(natsClient.TopicReloadConfig, &pb.ReloadGameConfig{Type: int32(reloadType)})
	} else if opt == "del" {
		req := new(values.GMConfigCommonDelReq)
		if !a.S(req) {
			return
		}
		if !a.MDel(req.ID, element) {
			return
		}
		call.Publish(natsClient.TopicReloadConfig, &pb.ReloadGameConfig{Type: int32(reloadType)})
	}
	a.Data = resp
}

func CheckSpecial(t int, list interface{}) interface{} {
	switch t {
	}
	return nil
}

func haveUpdatedBase(obj interface{}) (have bool) {
	if obj == nil {
		return
	}
	t := reflect.TypeOf(obj)
	if t.Kind() != reflect.Ptr {
		return
	}
	elemType := t.Elem()
	if elemType.Kind() == reflect.Struct {
		for i := 0; i < elemType.NumField(); i++ {
			field := elemType.Field(i)
			if field.Anonymous && field.Type.Name() == "UpdatedBase" {
				have = true
				break
			}
		}
	}
	return
}

func CheckEditSpecial(t int, obj interface{}, config []map[string]interface{}, a *app.Gin) (err error) {
	if haveUpdatedBase(obj) {
		for _, update := range config {
			update["UpdatedAt"] = time.Now().Unix()
			update["Operator"] = a.User.Name
			_, ok := update["ID"]
			if !ok {
				update["CreatedAt"] = time.Now().Unix()
			}
		}
	}
	switch t {
	case common.ReloadConfigGameList:
		for _, update := range config {
			delete(update, "GameProvider")
			delete(update, "GameID")
			delete(update, "GameCode")
			delete(update, "Icon")
			delete(update, "Name")
			delete(update, "GameType")
		}
	case common.ReloadConfigRank:
		// todo 校验活动是否存在
		for _, update := range config {
			rankId, ok := update["ID"]
			rankCycle := update["RankCycle"].(string)
			rankType := util.ToInt(update["RankType"])
			rankCycleMap := make(map[string]struct{})
			_ = jsoniter.UnmarshalFromString(rankCycle, &rankCycleMap)

			oldRanks := call.GetConfigRank(rankType)
			if ok {
				for _, oldRank := range oldRanks {
					for oldRankType := range oldRank.RankCycleMap {
						_, exist := rankCycleMap[oldRankType]
						if exist && rankId != oldRank.ID {
							err = fmt.Errorf("周期类型[%s] 已经在活动[%d]存在", oldRankType, oldRank.ID)
							return
						}
					}
				}
			} else { // 新增，同等类型的活动不能重复
				for _, oldRank := range oldRanks {
					for oldRankType := range oldRank.RankCycleMap {
						_, exist := rankCycleMap[oldRankType]
						if exist {
							err = fmt.Errorf("周期类型[%s] 已经在活动[%d]存在", oldRankType, oldRank.ID)
							return
						}
					}
				}
			}
		}
	}
	return nil
}

// ConfigPayWeight 支付渠道权重配置
func ConfigPayWeight(c *gin.Context) {
	a := app.NewApp(c)
	defer func() {
		a.Response()
	}()
	path := c.Request.URL.Path
	index := strings.LastIndex(path, "/")
	if index < 0 {
		a.Code = values.CodeParam
		return
	}
	opt := path[index+1:]
	reloadType := common.ReloadConfigPayWeight
	element, list := common.GetConfigStructByType(reloadType)
	resp := values.GMConfigPayWeightResp{}
	if opt == "list" {
		if !a.MGetAll(element, list) {
			return
		}
		list = reflect.ValueOf(list).Elem().Interface()
		retList := []common.ConfigPayChannels{}
		for _, v := range list.([]common.ConfigPayChannels) {
			if v.CurrencyType == common.CurrencyINR {
				retList = append(retList, v)
			}
		}
		sort.Slice(retList, func(i, j int) bool {
			return retList[i].PayPer > retList[j].PayPer
		})
		resp.Config = retList
		// resp.Status, _ = db.Redis().GetInt(common.RedisKeyPayStatus)
	} else if opt == "edit" {
		req := new(values.GMConfigCommonEditReq)
		if !a.S(req) {
			return
		}
		if !a.MUpdateAll(req.Config, element) {
			return
		}
		call.Publish(natsClient.TopicReloadConfig, &pb.ReloadGameConfig{Type: int32(reloadType)})
	} else if opt == "del" {
		req := new(values.GMConfigCommonDelReq)
		if !a.S(req) {
			return
		}
		if !a.MDel(req.ID, element) {
			return
		}
		call.Publish(natsClient.TopicReloadConfig, &pb.ReloadGameConfig{Type: int32(reloadType)})
	}
	a.Data = resp
}

// ConfigWithdrawWeight 退出渠道配置
func ConfigWithdrawWeight(c *gin.Context) {
	a := app.NewApp(c)
	defer func() {
		a.Response()
	}()
	path := c.Request.URL.Path
	index := strings.LastIndex(path, "/")
	if index < 0 {
		a.Code = values.CodeParam
		return
	}
	opt := path[index+1:]
	reloadType := common.ReloadConfigWithdrawWeight
	element, list := common.GetConfigStructByType(reloadType)
	var resp interface{}
	if opt == "list" {
		if !a.MGetAll(element, list) {
			return
		}
		list = reflect.ValueOf(list).Elem().Interface()
		retList := []common.ConfigWithdrawChannels{}
		for _, v := range list.([]common.ConfigWithdrawChannels) {
			if v.CurrencyType == common.CurrencyINR {
				retList = append(retList, v)
			}
		}
		sort.Slice(retList, func(i, j int) bool {
			return retList[i].WithdrawPer > retList[j].WithdrawPer
		})
		resp = values.GMConfigCommonListResp{Config: retList}
	} else if opt == "edit" {
		req := new(values.GMConfigCommonEditReq)
		if !a.S(req) {
			return
		}
		if !a.MUpdateAll(req.Config, element) {
			return
		}
		call.Publish(natsClient.TopicReloadConfig, &pb.ReloadGameConfig{Type: int32(reloadType)})
	} else if opt == "del" {
		req := new(values.GMConfigCommonDelReq)
		if !a.S(req) {
			return
		}
		if !a.MDel(req.ID, element) {
			return
		}
		call.Publish(natsClient.TopicReloadConfig, &pb.ReloadGameConfig{Type: int32(reloadType)})
	}
	a.Data = resp
}