package window

import (
	"fyne.io/fyne/v2"
	"fyne.io/fyne/v2/container"
	"fyne.io/fyne/v2/lang"
	"fyne.io/fyne/v2/widget"
	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/application"
)

type MainWindowContract interface {
	SetContent(content fyne.CanvasObject)
	Show()
	InitLayout()
}

type mainWindow struct {
	fyneWindow         fyne.Window
	layout             *fyne.Container
	progressBarService application.ProgressBarContract
}

func NewMainWindow(fyneWindow fyne.Window, progressBarService application.ProgressBarContract) MainWindowContract {
	fyneWindow.Resize(fyne.Size{Width: 1039, Height: 599})
	fyneWindow.CenterOnScreen()

	return &mainWindow{
		fyneWindow:         fyneWindow,
		progressBarService: progressBarService,
	}
}

func (w *mainWindow) InitLayout() {
	fyne.Do(func() {
		rContainer := newRightContainer(w.progressBarService.GetContainer())
		layout := container.NewAdaptiveGrid(2, widget.NewLabel(""), rContainer.GetCanvasObject())
		w.fyneWindow.SetContent(layout)

		w.layout = layout
	})
}

func (w *mainWindow) SetContent(content fyne.CanvasObject) {
	fyne.Do(func() {
		if w.layout == nil {
			w.fyneWindow.SetContent(content)
			return
		}

		w.layout.Objects[0] = content
		w.fyneWindow.SetContent(w.layout)
	})
}

func (w *mainWindow) Show() {
	w.fyneWindow.Show()
}

type RightMainContainerContract interface {
	GetCanvasObject() fyne.CanvasObject
	GetTabs() *container.AppTabs
	GetAddedFilesContainer() *fyne.Container
	GetFileQueueContainer() *fyne.Container
	SelectFileQueueTab()
	SelectAddedFilesTab()
}

type rightMainContainer struct {
	container fyne.CanvasObject

	tabs *container.AppTabs

	addedFilesContainer *fyne.Container
	addedFilesTab       *container.TabItem

	fileQueueContainer *fyne.Container
	fileQueueTab       *container.TabItem
}

func newRightContainer(blockProgressbar *fyne.Container) RightMainContainerContract {

	addedFilesContainer := container.NewVBox()
	addedFilesTab := container.NewTabItem(lang.L("addedFilesTitle"), addedFilesContainer)

	fileQueueContainer := container.NewVBox()
	fileQueueTab := container.NewTabItem(lang.L("fileQueueTitle"), fileQueueContainer)

	tabs := container.NewAppTabs(
		addedFilesTab,
		fileQueueTab,
	)

	rightContainer := container.NewBorder(
		container.NewVBox(
			blockProgressbar,
			widget.NewSeparator(),
		),
		nil,
		nil,
		nil,
		tabs,
	)

	return &rightMainContainer{
		container:           rightContainer,
		tabs:                tabs,
		addedFilesContainer: addedFilesContainer,
		addedFilesTab:       addedFilesTab,
		fileQueueContainer:  fileQueueContainer,
		fileQueueTab:        fileQueueTab,
	}
}

func (r *rightMainContainer) GetCanvasObject() fyne.CanvasObject {
	return r.container
}

func (r *rightMainContainer) GetTabs() *container.AppTabs {
	return r.tabs
}

func (r *rightMainContainer) GetAddedFilesContainer() *fyne.Container {
	return r.addedFilesContainer
}

func (r *rightMainContainer) GetFileQueueContainer() *fyne.Container {
	return r.fileQueueContainer
}

func (r *rightMainContainer) SelectFileQueueTab() {
	fyne.Do(func() {
		r.tabs.Select(r.fileQueueTab)
	})
}

func (r *rightMainContainer) SelectAddedFilesTab() {
	fyne.Do(func() {
		r.tabs.Select(r.addedFilesTab)
	})
}