package point

import (
	"code.gitea.io/gitea/models"
	"code.gitea.io/gitea/modules/redis/redis_key"
	"code.gitea.io/gitea/modules/redis/redis_lock"
	"code.gitea.io/gitea/services/reward"
	"code.gitea.io/gitea/services/reward/limiter"
	"code.gitea.io/gitea/services/reward/point/account"
	"errors"
	"time"
)

type PointOperator struct {
}

func (operator *PointOperator) IsLimited(ctx reward.RewardOperateContext) bool {
	if err := limiter.CheckLimit(ctx.Reward.Type, ctx.TargetUserId, ctx.Reward.Amount); err != nil {
		return false
	}
	return true
}

func (operator *PointOperator) Operate(ctx reward.RewardOperateContext) error {
	a, err := account.GetAccount(ctx.TargetUserId)
	if err != nil || a == nil {
		return errors.New("get account error")
	}

	lock := redis_lock.NewDistributeLock(redis_key.PointAccountOperateLock(a.AccountCode))
	if lock.LockWithWait(3*time.Second, 3*time.Second) {
		defer lock.UnLock()
		na, _ := account.GetAccount(ctx.TargetUserId)
		if ctx.OperateType == models.OperateTypeIncrease {
			na.Increase(ctx.Reward.Amount, ctx.SourceId)
		} else if ctx.OperateType == models.OperateTypeDecrease {
			na.Decrease(ctx.Reward.Amount, ctx.SourceId)
		}

	} else {
		return errors.New("Get account operate lock failed")
	}
	return nil
}