// Package utils 依赖 joybuywork/internal 里面的东西写到这个文件
package utils

import (
	"joybuywork/internal/consts"
	"joybuywork/internal/repository/mtype"
	"joybuywork/internal/utils/verify"
	"fmt"
	"math/rand"
	"strings"
	"time"

	"github.com/golang-module/carbon/v2"
)

func GetRandEnStr(l int) string {
	b := make([]byte, l)
	for i := range b {
		c := rand.Intn(len(consts.RandEnStr))
		b[i] = consts.RandEnStr[c]
	}

	return string(b)
}

// CampaignArchiveEnd 活动归档结束
func CampaignArchiveEnd(endTime int64) time.Time {
	return carbon.CreateFromTimestamp(endTime).EndOfDay().ToStdTime()
}

// BehaviorFormatMark 行为带特殊id的标识
func BehaviorFormatMark(bt int32, markId any) string {
	return fmt.Sprintf("%s%s%v", mtype.BehaviorTypeToMark[bt], consts.Colon, markId)
}

// BehaviorMarkToType 带特殊id的标识转换成类型
func BehaviorMarkToType(mark string) int32 {
	mk := strings.Split(mark, consts.Colon)
	return mtype.BehaviorMarkToType[mk[0]]
}

// BehaviorMarkId 获取带特殊id的标识的id
func BehaviorMarkId(mark string) string {
	_, id, _ := strings.Cut(mark, consts.Colon)
	return id
}

// FissionCampaignTaskMarkCondOneVal 完成任意事件的标识值
func FissionCampaignTaskMarkCondOneVal(condId int64) string {
	return fmt.Sprintf("%s%s%d", mtype.FissionCampaignTaskMarkCondOne, consts.Colon, condId)
}

// FissionCampaignTaskMarkCondOneCondId 完成任意事件的条件ID
func FissionCampaignTaskMarkCondOneCondId(taskMark string) int64 {
	_, id, _ := strings.Cut(taskMark, consts.Colon)
	return StrToInt64(id)
}

// FissionCampaignTaskMarkRewardOneVal 完成奖品任务的标识值
func FissionCampaignTaskMarkRewardOneVal(rewardId int64) string {
	return fmt.Sprintf("%s%s%d", mtype.FissionCampaignTaskMarkRewardOne, consts.Colon, rewardId)
}

// FissionCampaignTaskMarkRewardOneRewardId 完成奖品任务的奖品ID
func FissionCampaignTaskMarkRewardOneRewardId(taskMark string) int64 {
	_, id, _ := strings.Cut(taskMark, consts.Colon)
	return StrToInt64(id)
}

type CondTotalFinishRes struct {
	Num    int32  // 完成的次数
	Remain string // 剩余累计计算数值
}

// CondTotalFinishNum 条件累计值完成次数
func CondTotalFinishNum(total, condVal string, bk ...func(doneNum int32) bool) (res *CondTotalFinishRes) {
	res = &CondTotalFinishRes{}

	t, cv := StrToFloat64(total), StrToFloat64(condVal)
	defer func() {
		res.Remain = t.String()
	}()
	if t.LessThan(cv) {
		return
	}

	idx := 0
	for {

		idx++
		res.Num++
		t = t.Sub(cv)

		if len(bk) > 0 && bk[0](res.Num) {
			return
		}

		if t.LessThan(cv) || idx >= 50 {
			return
		}

	}
}

// NewGlobalTrigger 全局驱动
func NewGlobalTrigger(fissionId int64, t int32) int32 {
	if t == 0 || verify.InArray(fissionId, consts.IdReferral) {
		return mtype.FissionCampaignCondTriggerTypeGlobal
	}

	return t
}