package views

import (
	"fmt"
	"fyne.io/fyne/v2"
	"fyne.io/fyne/v2/container"
	"fyne.io/fyne/v2/dialog"
	"fyne.io/fyne/v2/widget"
	"slices"
	"work_cation/cfg"
	"work_cation/global"
	"work_cation/models"
	"work_cation/repo"
	"work_cation/service"
)

func followUsers(w fyne.Window) fyne.CanvasObject {
	gridWrap := container.NewGridWrap(fyne.NewSize(200, 190))

	findService, err := service.Zeroconf.FindService()
	if err != nil {
		return widget.NewLabel(err.Error())
	}
	users, err := repo.UserFollow.All(global.DB)
	if err != nil {
		return widget.NewLabel(err.Error())
	}
	slices.SortFunc(users, func(a, b models.UserFollows) int {
		return b.Sort - a.Sort
	})
	for _, user := range users {
		index := slices.IndexFunc(findService, indexOnline2User(user.ID))
		var onlineCopy *models.Online
		if index != -1 {
			onlineCopy = &findService[index]
		}
		var baseCardV fyne.CanvasObject
		del := func() { gridWrap.Remove(baseCardV) }
		var userCopy = user
		baseCardV, err = itemFollowUserView(w, onlineCopy, &userCopy, del)
		if err != nil {
			continue
		}
		gridWrap.Add(baseCardV)
	}

	scroll := container.NewScroll(gridWrap)
	return container.NewBorder(nil, nil, nil, nil, scroll)
}

func indexOnline2User(id string) func(models.Online) bool {
	return func(item models.Online) bool {
		return item.ID == id
	}
}

func itemFollowUserView(w fyne.Window, data *models.Online, user *models.UserFollows, del func()) (fyne.CanvasObject, error) {

	onlineShow := widget.NewLabel("离线")

	go func() {
		defer func() { _ = recover() }()
		if data == nil {
			data = &models.Online{ID: user.ID, Ip: user.Ip, Port: cfg.T.ServerAddr}
		}
		newUser, err := service.Client.GetUser(data)
		if err != nil {
			data = nil
			return
		}
		if err == nil {
			onlineShow.SetText("在线")
		}
		if err == nil && newUser.Name != user.Name {
			// 更新用户信息
			fmt.Println("更新用户信息:", user, newUser)
			repo.UserFollow.UnFollow(global.DB, user)
			repo.UserFollow.Follow(global.DB, &models.UserFollows{Users: *newUser})
		}
	}()

	followButton := widget.NewButton("取消关注", func() {
		err := repo.UserFollow.UnFollow(global.DB, user)
		if err != nil {
			dialog.ShowInformation("取消失败", err.Error(), w)
			return
		}
		dialog.ShowInformation("", "取消成功", w)
		del()
	})
	showErrButton := widget.NewButton("查看主页", func() {
		if data == nil {
			dialog.ShowInformation("查看失败", "用户未在线", w)
			return
		}
		otherUserIndexWin(&user.Users, data)
	})
	maishuiButton := widget.NewButton("聊天", func() {
		//if data == nil {
		//	dialog.ShowInformation("查看失败", "用户未在线", w)
		//	return
		//}
		OpenChat(user.Users)
	})

	card := widget.NewCard(user.Name, user.Ip, container.NewVBox(onlineShow,
		container.NewHBox(showErrButton, followButton),
		maishuiButton))
	return card, nil
}