package logic

import (
	"eta/eta_menu_sync/models"
	"eta/eta_menu_sync/services"
	"time"
)

// SyncWxGroup 同步微信群
func SyncWxGroup(wxGroupList []services.GroupResult, wechatHelper *models.WechatHelper) (err error) {
	wxIdList := make([]string, 0)
	wxIdMap := make(map[string]services.GroupResult)
	for _, v := range wxGroupList {
		wxIdList = append(wxIdList, v.Wxid)
		wxIdMap[v.Wxid] = v
	}

	wechatGroupObj := models.WechatGroup{}
	// 将未添加入库的群入库
	{
		existsGroupList, tmpErr := wechatGroupObj.GetListByWxIdList(wxIdList)
		if tmpErr != nil {
			err = tmpErr
			return
		}

		// 已经入库的微信群需要移除
		for _, v := range existsGroupList {
			if tmpWechatInfo, ok := wxIdMap[v.WechatId]; ok {
				if v.WechatGroupName != tmpWechatInfo.Nick { // 可能存在群昵称不一致的情况，那么就修改吧
					v.WechatGroupName = tmpWechatInfo.Nick
					v.Update([]string{"WechatGroupName"})
				}
			}
			delete(wxIdMap, v.WechatId)
		}

		addList := make([]models.WechatGroup, 0)
		for _, v := range wxIdMap {
			nick := v.Nick
			if v.Nick == `` { // 可能存在群昵称不一致的情况，那就用微信群标识吧
				nick = v.Wxid
			}
			addList = append(addList, models.WechatGroup{
				WechatGroupId:   0,
				WechatGroupName: nick, //群昵称
				WechatId:        v.Wxid,
				Enabled:         1,
				ModifyTime:      time.Now(),
				CreateTime:      time.Now(),
			})
		}
		if len(addList) > 0 {
			err = wechatGroupObj.CreateList(addList)
			if err != nil {
				return
			}
		}
	}

	{
		existsGroupList, tmpErr := wechatGroupObj.GetListByWxIdList(wxIdList)
		if tmpErr != nil {
			err = tmpErr
			return
		}

		wechatGroupIdMap := make(map[int]int, 0)
		// 已经入库的微信标识
		for _, v := range existsGroupList {
			wechatGroupIdMap[v.WechatGroupId] = v.WechatGroupId
		}

		wechatHelperGroupRelationObj := models.WechatGroupHelperRelation{}
		wechatHelperGroupList, tmpErr := wechatHelperGroupRelationObj.GetListByHelperId(wechatHelper.WechatHelperId)
		if tmpErr != nil {
			err = tmpErr
			return
		}
		// 移除已经关联的群
		for _, v := range wechatHelperGroupList {
			delete(wechatGroupIdMap, v.WechatGroupId)
		}

		// 添加群与小助手的关系
		addList := make([]models.WechatGroupHelperRelation, 0)
		for _, v := range wechatGroupIdMap {
			addList = append(addList, models.WechatGroupHelperRelation{
				WechatGroupId:  v,
				WechatHelperId: wechatHelper.WechatHelperId,
			})
		}
		if len(addList) > 0 {
			err = wechatHelperGroupRelationObj.CreateList(addList)
			if err != nil {
				return
			}
		}
	}

	return
}