package task

import (
	"context"
	v1 "github.com/go-nunu/nunu-layout-advanced/api/v1"
	"github.com/go-nunu/nunu-layout-advanced/internal/repository"
	"github.com/go-nunu/nunu-layout-advanced/internal/service"
	"github.com/hashicorp/go-multierror"
	"sync"
)

type WafTask interface {
}

func NewWafTask (
	webForWardingRep repository.WebForwardingRepository,
	tcpforwardingRep repository.TcpforwardingRepository,
	udpForWardingRep repository.UdpForWardingRepository,
	cdn service.CdnService,
	hostRep repository.HostRepository,
	task *Task,
	) WafTask{
	return &wafTask{
		Task: task,
		webForWardingRep: webForWardingRep,
		tcpforwardingRep: tcpforwardingRep,
		udpForWardingRep: udpForWardingRep,
		cdn: cdn,
		hostRep: hostRep,
	}
}
type wafTask struct {
	*Task
	webForWardingRep repository.WebForwardingRepository
	tcpforwardingRep repository.TcpforwardingRepository
	udpForWardingRep repository.UdpForWardingRepository
	cdn service.CdnService
	hostRep repository.HostRepository
}

func (t wafTask) CheckExpiredTask(ctx context.Context) error {
	return nil

}

// 获取cdn web id
func (t wafTask) GetCdnWebId(ctx context.Context,hostId int) ([]int, error) {
	tcpIds, err := t.tcpforwardingRep.GetTcpForwardingAllIdsByID(ctx, hostId)
	if err != nil {
		return nil, err
	}
	udpIds, err := t.udpForWardingRep.GetUdpForwardingWafUdpAllIds(ctx, hostId)
	if err != nil {
		return nil, err
	}
	webIds, err := t.webForWardingRep.GetWebForwardingWafWebAllIds(ctx, hostId)
	if err != nil {
		return nil, err
	}
	var ids []int
	ids = append(ids, tcpIds...)
	ids = append(ids, udpIds...)
	ids = append(ids, webIds...)
	return ids, nil
}

// 禁用网站
func (t wafTask) BanServer(ctx context.Context, ids []int, isBan bool) error {
	var wg sync.WaitGroup
	errChan := make(chan error, len(ids))

	// 修正1：为每个 goroutine 增加 WaitGroup 的计数
	wg.Add(len(ids))

	for _, id := range ids {
		go func(id int) {
			// 修正2：确保每个 goroutine 在退出时都调用 Done()
			defer wg.Done()

			err := t.cdn.EditWebIsOn(ctx, int64(id), isBan)
			if err != nil {
				errChan <- err
				// 这里不需要 return，因为 defer wg.Done() 会在函数退出时执行
			}
		}(id)
	}

	// 现在 wg.Wait() 会正确地阻塞，直到所有 goroutine 都调用了 Done()
	wg.Wait()

	// 在所有 goroutine 都结束后，安全地关闭 channel
	close(errChan)

	var result error
	for err := range errChan {
		result = multierror.Append(result, err)  // 将多个 error 对象合并成一个单一的 error 对象
	}

	// 修正3：返回收集到的错误，而不是 nil
	return result
}



// 获取到期时间
func (t wafTask) GetAlmostExpiring(ctx context.Context,hostIds []int) ([]v1.GetAlmostExpireHostResponse,error) {
	// 3 天
	res, err := t.hostRep.GetAlmostExpired(ctx, hostIds, 259200)
	if err != nil {
		return nil,err
	}

	return res, nil
}