package quota

import (
	"app/commons/core"
	"app/commons/model/entity"
	"github.com/samber/lo"
	"github.com/shopspring/decimal"
)

// todo: 升级

// 用户根据业绩重新升级 -- 必须在业绩计算后执行

func (s *Service) userLevelHandler() error {
	var err error
	err = s.RefreshUserMap()
	if err != nil {
		return err
	}
	levelMap, err := s.LevelConfigMapFromCache()
	if err != nil {
		return err
	}
	// 准备批量更新的数据
	userQuotas, err := s.BatchUserQuota(s.DB().Where("1=1"))
	if err != nil {
		return err
	}
	count := len(userQuotas)
	core.JobLog.Infof("用户指标信息初始化完成:%d", count)
	changes := 0
	for _, quota := range userQuotas {
		acLevel := s.userAcLevel(levelMap, quota)                                    // 业绩等级
		realLevel := lo.If(quota.LockLevel > acLevel, quota.LockLevel).Else(acLevel) // 真实最终应用等级
		// 等级变化
		if acLevel != quota.AcLevel {
			changes++
			if err = s.DB().Model(&entity.UserQuota{}).
				Where("user_id", quota.UserId).
				Updates(map[string]interface{}{
					"level":    realLevel,
					"ac_level": acLevel,
				}).
				Error; err != nil {
				core.JobLog.Errorf(err.Error())
			}
		}
	}
	core.JobLog.Infof("用户等级变化人数:%d 总用户数量:%d", changes, count)
	return nil
}

// 根据用户指标信息 等级验证是否达到改等级

func (s *Service) userAcLevel(levelMap map[int]*entity.SysLevelConfig, quota *entity.UserQuota) int {
	acLevel := 0 // 业绩等级计算
	// 升级后系统触发赠送：V1赠送2w、V2赠送10W、V3赠送50W、V4赠送200W、V5赠送600W
	// 真实大小区总业绩达到对应等级业绩门槛，且真实小区业绩达到50%及以上
	for _, levelConf := range levelMap {
		// 个人业绩不达标则直接跳过
		if levelConf.PersonAchievement.GreaterThan(quota.PersonAchievement) {
			continue
		}
		// 真实小区业绩达标
		if quota.FewTeamAchievement.GreaterThanOrEqual(levelConf.FewTeamAchievement) {
			if levelConf.Level > acLevel {
				acLevel = levelConf.Level
			}
			continue
		}
		// 当赠送大区业绩大于等于升级要求小区业绩
		if quota.GiftLargeRegionAchievement.GreaterThanOrEqual(levelConf.FewTeamAchievement) {
			// 检查团队总业绩是否达标
			if !quota.TeamAchievement.GreaterThanOrEqual(levelConf.FewTeamAchievement) {
				continue
			}
			// 小区业绩真实业绩到达50%
			if !quota.FewTeamAchievement.GreaterThanOrEqual(levelConf.FewTeamAchievement.Mul(decimal.NewFromFloat(0.5))) {
				continue
			}
			if levelConf.Level > acLevel {
				acLevel = levelConf.Level
			}
		}
	}
	return acLevel
}