package wxtask

import (
	"strconv"
	"time"
	"xiawan/wx/clientsdk"
	"xiawan/wx/clientsdk/baseinfo"
	"xiawan/wx/protobuf/wechat"
	"xiawan/wx/srv/srvconfig"
	"xiawan/wx/srv/wxface"
)

// WXGroupTask 群任务
type WXGroupTask struct {
	wxConn                  wxface.IWXConnect
	groupForQrcodeList      []*wechat.ModContact
	groupForAddressBookList []*wechat.ModContact
	waitTimes               uint32 // 毫秒
	inQrcodeTask            bool   // 下载群二维码
	inAddressBookTask       bool   // 保存群到通讯录任务状态
}

// NewWXGroupTask 新建一个群任务
func NewWXGroupTask(wxConn wxface.IWXConnect) *WXGroupTask {
	return &WXGroupTask{
		wxConn:                  wxConn,
		groupForQrcodeList:      make([]*wechat.ModContact, 0),
		groupForAddressBookList: make([]*wechat.ModContact, 0),
		inQrcodeTask:            false,
		inAddressBookTask:       false,
		waitTimes:               srvconfig.TaskExecWaitTimes,
	}
}

// 获取下一个待下载的获取二维码的群
func (gpt *WXGroupTask) getNextGroupForQrcodeContact() *wechat.ModContact {
	if len(gpt.groupForQrcodeList) <= 0 {
		return nil
	}
	retContact := gpt.groupForQrcodeList[0]
	gpt.groupForQrcodeList = gpt.groupForQrcodeList[1:]
	return retContact
}

// 获取下一个待保存到通讯录到群
func (gpt *WXGroupTask) getNextGroupListForAddressBookContact(count uint32) []*wechat.ModContact {
	size := uint32(len(gpt.groupForAddressBookList))
	if size <= 0 {
		return nil
	}

	retList := make([]*wechat.ModContact, 0)
	if size > count {
		retList = append(retList, gpt.groupForAddressBookList[:count]...)
		gpt.groupForAddressBookList = gpt.groupForAddressBookList[count:]
	} else {
		retList = append(retList, gpt.groupForAddressBookList[0:]...)
		gpt.groupForAddressBookList = []*wechat.ModContact{}
	}
	return retList
}

// GetLessCount 获取剩余群聊数量
func (gpt *WXGroupTask) GetLessCount() uint32 {
	return uint32(len(gpt.groupForAddressBookList))
}

// StartDownQrcode 开启下载群二维码任务
// lessMembers: 最少成员数量
func (gpt *WXGroupTask) StartDownQrcode(lessMembers uint32) {
	currentWXAccount := gpt.wxConn.GetWXAccount()
	currentWXReqInvoker := gpt.wxConn.GetWXReqInvoker()
	// 如果正在执行下载任务，则返回
	if gpt.inQrcodeTask {
		return
	}
	// 如果上一次的还没
	if len(gpt.groupForQrcodeList) <= 0 {
		gpt.groupForQrcodeList = currentWXAccount.GetWXGroupList()
	}
	// 先构建当前目录
	gpt.inQrcodeTask = true
	go func() {
		for {
			// 先判断是否还处于链接当中
			if !gpt.wxConn.IsConnected() {
				gpt.inQrcodeTask = false
				return
			}

			// 获取下一个群聊
			tmpModContact := gpt.getNextGroupForQrcodeContact()
			if tmpModContact == nil {
				return
			}

			// 群成员数量要大于20, 超过200人的群聊必须要邀请才能入群
			memberCount := tmpModContact.NewChatroomData.GetMemberCount()
			if memberCount < lessMembers || memberCount >= 200 {
				continue
			}

			// 进群验证
			if tmpModContact.GetChatroomAccessType() != 0 {
				continue
			}

			// 获取群二维码请求
			groupUserName := tmpModContact.GetUserName().GetStr()
			err := currentWXReqInvoker.SendGetQRCodeRequest(groupUserName)
			if err != nil {
				continue
			}
			// 暂停 2000 毫秒
			time.Sleep(2000 * time.Millisecond)
		}
	}()
}

// StartSaveToAddressBook 开启保存到通讯录
// bSave: true:保存, false:取消保存
func (gpt *WXGroupTask) StartSaveToAddressBook(bSave bool) bool {
	tmpOptionName := "保存"
	if !bSave {
		tmpOptionName = "取消保存"
	}
	currentWXAccount := gpt.wxConn.GetWXAccount()
	currentWXReqInvoker := gpt.wxConn.GetWXReqInvoker()
	currentWXFileHelperMgr := gpt.wxConn.GetWXFileHelperMgr()
	// 如果正在执行下载任务，则返回
	if gpt.inAddressBookTask {
		tipText := "正在" + tmpOptionName + "中请稍后, 剩余(" + strconv.Itoa(len(gpt.groupForAddressBookList)) + ")个群"
		currentWXFileHelperMgr.AddNewTipMsg(tipText)
		return false
	}

	// 如果上一次的还没
	if len(gpt.groupForAddressBookList) <= 0 {
		gpt.groupForAddressBookList = currentWXAccount.GetWXGroupList()
	}
	gpt.inAddressBookTask = true
	go func() {
		for {
			// 先判断是否还处于链接当中
			if !gpt.wxConn.IsConnected() {
				gpt.inAddressBookTask = false
				return
			}

			// 获取接下来的10个群聊
			tmpModContactList := gpt.getNextGroupListForAddressBookContact(10)
			count := len(tmpModContactList)
			if count <= 0 {
				gpt.inAddressBookTask = false
				tipText := "执行 " + tmpOptionName + "群聊任务 完成"
				currentWXFileHelperMgr.AddNewTipMsg(tipText)
				return
			}

			// 创建Item列表
			items := make([]*baseinfo.ModifyItem, 0)
			for index := 0; index < count; index++ {
				tmpModContact := tmpModContactList[index]
				// 如果状态一致则不用操作
				bitVal := tmpModContact.GetBitVal()
				hasSaved := false
				if bitVal&baseinfo.MMBitValGroupSaveInAddressBook == 1 {
					hasSaved = true
				}
				if (bSave && hasSaved) || (!bSave && !hasSaved) {
					continue
				}
				tmpItem := clientsdk.CreateSaveGroupToAddressBookField(tmpModContact, bSave)
				items = append(items, tmpItem)
			}
			if len(items) <= 0 {
				continue
			}
			err := currentWXReqInvoker.SendOplogRequest(items)
			if err != nil {
				gpt.inAddressBookTask = false
				return
			}
			// 暂停 waitTimes 毫秒
			time.Sleep(time.Duration(gpt.waitTimes) * time.Millisecond)
		}
	}()

	tmpTip := "开始" + tmpOptionName + "群聊任务"
	currentWXFileHelperMgr.AddNewTipMsg(tmpTip)
	return true
}