package call

import (
	"context"
	"fmt"
	"math/rand"
	"server/common"
	"server/db"
	"strconv"
	"time"

	"github.com/liangdas/mqant/log"
)

const (
	RankNum = 20
)

var (
	Robots = []*common.ConfigShareRobot{{
		RobotID: 21891253,
	}, {
		RobotID: 23923560,
	}, {
		RobotID: 25956230,
	}}
)

// RankInfo 机器人结构
type RankInfo struct {
	Rank        int
	InviteCount int64
	Avtar       int
	UserName    string
}

func IsRobot(uid int) bool {
	for _, robot := range Robots {
		if robot.RobotID == uid {
			return true
		}
	}
	if db.Mysql().Exist(&common.ConfigShareRobot{RobotID: uid}) {
		return true
	}
	return false
}

// 获取排行榜key
func GetRedisRankKey() string {
	activity := GetConfigActivityByID(common.ActivityIDInviteRank)
	if activity == nil {
		log.Error("GetRedisRankKey ==nil")
		return ""
	}
	return fmt.Sprintf("robot_ranking:%v", activity.Start)
}

func GetRedisRankRobotKey(uid int) string {
	today := time.Now().Format("20060102")
	activity := GetConfigActivityByID(common.ActivityIDInviteRank)
	if activity == nil {
		log.Error("GetRedisRankKey ==nil")
		return ""
	}
	return fmt.Sprintf("robot_ranking:%v:robot:%v:%v", activity.Start, uid, today)
}

func GetRedisRankRewardKey() string {
	activity := GetConfigActivityByID(common.ActivityIDInviteRank)
	if activity == nil {
		log.Error("GetRedisRankKey ==nil")
		return ""
	}
	return fmt.Sprintf("robot_ranking:%v:reward", activity.Start)
}

func TodayLogic(key string, uid int, num, times int64) {
	robotKey := GetRedisRankRobotKey(uid)
	timesCount := db.Redis().HGetInt(robotKey, "times_count")
	// timesUse := db.Redis().HGetInt(robotKey, "times_use")
	if timesCount == 0 {
		err := db.Redis().HSet(robotKey, map[string]interface{}{
			"times_count": times,
			"times_use":   1,
			"num":         1,
		})
		if err != nil {
			log.Error("err:%v", err)
			return
		}
		timesCount = int(times)
	} else {
		err := db.Redis().HIncrBy(robotKey, "times_use", 1)
		if err != nil {
			log.Error("err:%v", err)
			return
		}
		if err = db.Redis().HIncrBy(robotKey, "num", num); err != nil {
			log.Error("err:%v", err)
			return
		}
	}
	// if timesUse < timesCount {
	IncreaseInviteCount(fmt.Sprintf("%v", uid), num, true)
	// }
}

// IncreaseInviteCount 增长机器人邀请人数
func IncreaseInviteCount(robotName string, increment int64, isRobot bool) {
	if increment > 0 {
		ctx := context.Background()
		rdb := db.Redis().GetRedis()
		key := GetRedisRankKey()
		newScore, err := rdb.ZIncrBy(ctx, key, float64(increment), robotName).Result()
		if err != nil {
			log.Error("增长失败: %v", err)
		} else {
			log.Info("机器人 %s 增长 %d 人，新的邀请人数为 %d", robotName, increment, int64(newScore))
		}
	}
}

func GetUserRank(uid int) (ret RankInfo) {
	ctx := context.Background()
	rdb := db.Redis().GetRedis()
	key := GetRedisRankKey()
	member := fmt.Sprintf("%v", uid)
	score, err := rdb.ZScore(ctx, key, member).Result()
	if err != nil {
		log.Error("Error:", err)
		return
	} else {
		log.Info("Score of %s: %f", member, score)
	}

	// 获取指定成员的排名 (从小到大)
	rank, err := rdb.ZRevRank(ctx, key, member).Result()
	if err != nil {
		log.Error("Error:", err)
		return
	} else {
		log.Info("Rank of %s (ascending): %d", member, rank)
	}
	user, _ := GetUserXInfo(uid, "avatar")
	if user != nil {
		ret.Avtar, _ = strconv.Atoi(user.Avatar)
	}
	ret.Rank = int(rank) + 1
	ret.InviteCount = int64(score)
	ret.UserName = fmt.Sprintf("User%v", uid)
	return
}

func GetTopShareRank(rank int64) (ret []RankInfo) {
	ctx := context.Background()
	rdb := db.Redis().GetRedis()
	key := GetRedisRankKey()
	rankList, err := rdb.ZRevRangeWithScores(ctx, key, 0, rank-1).Result()
	if err != nil {
		log.Error("获取排名失败: %v", err)
		return nil
	}
	for idx, robot := range rankList {
		username := fmt.Sprintf("%v", robot.Member)
		uid, _ := strconv.Atoi(username)

		log.Debug("用户: %s，邀请人数: %d", robot.Member, int(robot.Score))
		info := RankInfo{
			Rank:        idx + 1,
			UserName:    fmt.Sprintf("%v", robot.Member),
			InviteCount: int64(robot.Score),
			Avtar:       rand.Intn(28) + 1,
		}
		if !IsRobot(uid) {
			user, _ := GetUserXInfo(uid, "avatar")
			info.Avtar, _ = strconv.Atoi(user.Avatar)

		}
		ret = append(ret, info)
	}
	return
}

// RiskControl 风控逻辑
func RiskControl() {
	rankList := GetTopShareRank(RankNum)
	log.Info("rishControl:%v", rankList)
	playerMap := make([]RankInfo, 0, 10)
	robotMap := make([]RankInfo, 0, 10)
	for _, rankInfo := range rankList {
		uid, _ := strconv.Atoi(rankInfo.UserName)
		// 判断是否为机器人
		if !IsRobot(uid) {
			playerMap = append(playerMap, rankInfo)
		} else {
			robotMap = append(robotMap, rankInfo)
		}
	}
	log.Debug("playerMap:%+v", playerMap)
	log.Debug("robotMap:%+v", robotMap)
	for idx, robot := range robotMap {
		if idx < 3 {
			player := playerMap[0]
			log.Debug("player:%v,robot:%v", player, robot)
			if robot.InviteCount < player.InviteCount {
				IncreaseInviteCount(robot.UserName, player.InviteCount-robot.InviteCount+rand.Int63n(15), true)
			}
		}
	}
}

func SendReward() {
	rankList := GetTopShareRank(RankNum)
	log.Info("SendReward:%v", rankList)
	for _, rankInfo := range rankList {
		if rankInfo.InviteCount > 0 {
			uid, err := strconv.Atoi(rankInfo.UserName)
			if err != nil {
				log.Error("err:%v", err)
				continue
			}
			if rankInfo.Rank <= 3 && !IsRobot(uid) {
				// 强制修改成第四名
				rankInfo.Rank = 4
			}
			conf := GetConfigRobotRankRewardByRank(rankInfo.Rank)
			if conf.Reward > 0 {
				UpdateCurrencyPro(&common.UpdateCurrency{
					CurrencyBalance: &common.CurrencyBalance{
						UID:   uid,
						Event: common.CurrencyEventActivityShareRank,
						Type:  common.CurrencyINR,
						Value: conf.Reward,
						// NeedBet: GetConfigCurrencyResourceNeedBet(common.CurrencyResourceBonus, conf.Reward),
					},
				})
				SendMailWithContent(uid, SystemTitle, fmt.Sprintf(EmailShareRank, rankInfo.Rank, conf.Reward/common.DecimalDigits))
			}
		}

	}
}