package window

import (
	"fyne.io/fyne/v2"
	"fyne.io/fyne/v2/dialog"
	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/application/convertor"
	"git.kor-elf.net/kor-elf/gui-for-ffmpeg/internal/utils"
)

type WindowContract interface {
	SetContent(content fyne.CanvasObject)
	Show()
	InitLayout()
	NewFileOpen(callback func(fyne.URIReadCloser, error), location fyne.ListableURI) *dialog.FileDialog
	NewFolderOpen(callback func(fyne.ListableURI, error), location fyne.ListableURI) *dialog.FileDialog
	SetOnDropped(callback func(position fyne.Position, uris []fyne.URI))
	GetLayout() LayoutContract
}

type mainWindow struct {
	fyneWindow         fyne.Window
	layout             LayoutContract
	itemsToConvert     convertor.ItemsToConvertContract
	progressBarService convertor.ProgressBarContract
	queueLayout        QueueLayoutContract
}

func NewMainWindow(
	fyneWindow fyne.Window,
	progressBarService convertor.ProgressBarContract,
	itemsToConvert convertor.ItemsToConvertContract,
	queueLayout QueueLayoutContract,
) WindowContract {
	fyneWindow.Resize(fyne.Size{Width: 1039, Height: 599})
	fyneWindow.CenterOnScreen()

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

func (w *mainWindow) InitLayout() {
	fyne.Do(func() {
		w.layout = NewLayout(w.progressBarService, w.itemsToConvert, w.queueLayout)
	})
}

func (w *mainWindow) GetLayout() LayoutContract {
	return w.layout
}

func (w *mainWindow) NewFileOpen(callback func(fyne.URIReadCloser, error), location fyne.ListableURI) *dialog.FileDialog {
	fileDialog := dialog.NewFileOpen(callback, w.fyneWindow)
	utils.FileDialogResize(fileDialog, w.fyneWindow)
	fileDialog.Show()
	if location != nil {
		fileDialog.SetLocation(location)
	}
	return fileDialog
}

func (w *mainWindow) NewFolderOpen(callback func(fyne.ListableURI, error), location fyne.ListableURI) *dialog.FileDialog {
	fileDialog := dialog.NewFolderOpen(callback, w.fyneWindow)
	utils.FileDialogResize(fileDialog, w.fyneWindow)
	fileDialog.Show()
	if location != nil {
		fileDialog.SetLocation(location)
	}
	return fileDialog
}

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

		w.fyneWindow.SetContent(w.layout.SetContent(content))
	})
}

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

func (w *mainWindow) SetOnDropped(callback func(position fyne.Position, uris []fyne.URI)) {
	fyne.Do(func() {
		w.fyneWindow.SetOnDropped(callback)
	})
}