package main

import (
	"fyne.io/fyne/v2"
	"fyne.io/fyne/v2/app"
	"fyne.io/fyne/v2/container"
	"fyne.io/fyne/v2/widget"
	"work_cation/assets"
	"work_cation/global"
	"work_cation/service"
	"work_cation/version"
	"work_cation/views"
)

// 本地缓存 上次打开目录
const preferenceCurrentTutorial = "currentTutorial"

func main() {

	global.InitDB()

	a := app.NewWithID("io.fyne.workCation")
	a.Settings().SetTheme(&assets.MyTheme{})
	a.SetIcon(assets.LogoDataSR)
	w := a.NewWindow("开发小工具 " + version.NowVersion)
	w.Resize(fyne.NewSize(800, 550))
	w.SetContent(mainView(w))
	w.CenterOnScreen()
	w.SetMaster()
	w.Show()

	a.Run()
}

// 主界面
func mainView(w fyne.Window) fyne.CanvasObject {
	service.Zeroconf.StartFindService()
	var (
		content   = container.NewMax()
		a         = fyne.CurrentApp()
		topWindow = w
		//title     = widget.NewLabel("Component name")
		//intro     = widget.NewLabel("An introduction would probably go\nhere, as well as a")
	)

	setTutorial := func(t views.Tutorial) {
		if fyne.CurrentDevice().IsMobile() {
			child := a.NewWindow(t.Title)
			topWindow = child
			child.SetContent(t.View(topWindow))
			child.Show()
			child.SetOnClosed(func() {
				topWindow = w
			})
			return
		}

		//title.SetText(t.Title)
		//intro.SetText(t.Intro)

		content.Objects = []fyne.CanvasObject{t.View(w)}
		content.Refresh()
	}

	tutorial := container.NewBorder(nil, nil, nil, nil, content)
	//container.NewVBox(title, widget.NewSeparator(), intro)

	split := container.NewHSplit(makeNav(setTutorial, true), tutorial)
	split.Offset = 0.2
	return container.NewBorder(nil, nil, nil, nil, split)
}

// 左侧菜单
func makeNav(setTutorial func(tutorial views.Tutorial), loadPrevious bool) fyne.CanvasObject {
	a := fyne.CurrentApp()

	tree := &widget.Tree{
		ChildUIDs: func(uid string) []string {
			return views.TutorialIndex[uid]
		},
		IsBranch: func(uid string) bool {
			children, ok := views.TutorialIndex[uid]

			return ok && len(children) > 0
		},
		CreateNode: func(branch bool) fyne.CanvasObject {
			return widget.NewLabel("Collection Widgets")
		},
		UpdateNode: func(uid string, branch bool, obj fyne.CanvasObject) {
			t, ok := views.Tutorials[uid]
			if !ok {
				fyne.LogError("Missing tutorial panel: "+uid, nil)
				return
			}
			obj.(*widget.Label).SetText(t.Title)
			if unsupportedTutorial(t) {
				obj.(*widget.Label).TextStyle = fyne.TextStyle{Italic: true}
			} else {
				obj.(*widget.Label).TextStyle = fyne.TextStyle{}
			}
		},
		OnSelected: func(uid string) {
			if t, ok := views.Tutorials[uid]; ok {
				if unsupportedTutorial(t) {
					return
				}
				// 存储默认打开
				a.Preferences().SetString(preferenceCurrentTutorial, uid)
				setTutorial(t)
			}
		},
	}

	// 读取存储默认打开
	if loadPrevious {
		currentPref := a.Preferences().StringWithFallback(preferenceCurrentTutorial, "welcome")
		tree.Select(currentPref)
	}

	//themes := container.NewGridWithColumns(2,
	//	widget.NewButton("Dark", func() {
	//		a.Settings().SetTheme(theme.DarkTheme())
	//	}),
	//	widget.NewButton("Light", func() {
	//		a.Settings().SetTheme(theme.LightTheme())
	//	}),
	//)

	return container.NewBorder(nil, nil, nil, nil, tree)
}

func unsupportedTutorial(t views.Tutorial) bool {
	return !t.SupportWeb && fyne.CurrentDevice().IsBrowser()
}