package app

import (
	"fyne.io/fyne/v2"
	"fyne.io/fyne/v2/app"
	"fyne.io/fyne/v2/container"
	"fyne.io/fyne/v2/layout"
	"fyne.io/fyne/v2/theme"
	"fyne.io/fyne/v2/widget"

	"gitea.mmo.to/ProtocolPacketForger/ppf/internal/ui"
	"gitea.mmo.to/ProtocolPacketForger/ppf/protocol"
)

var fyneApp fyne.App
var w fyne.Window

func Appmain() {
	fyneApp = app.New()
	w = fyneApp.NewWindow("ProtocolPacketForger")
	w.Resize(fyne.NewSize(1024, 768))

	w.SetContent(CreateApp())

	w.ShowAndRun()
}

type ppfApp struct {
	// Container for the borderlayout
	Toolbar     fyne.CanvasObject
	Metadata    *Metadata
	Extensions  *fyne.Container
	ContextBar  *fyne.Container
	ContentTabs *fyne.Container
	Workarea    *fyne.Container
	// Once initialized metadata containers for swapping
	ProtocolMeta *ProtocolMetadata
	PacketMeta   *PacketMetadata
	// Global important stuff
	Settings        map[string]string
	ProtocolForging bool
	// Once initialized instances of the editor views
	EditorPacket   *ui.PacketEditor
	EditorProtocol *ui.ProtocolEditor
}

var ppf ppfApp

type Metadata struct {
	Representation *fyne.Container
}
type PacketMetadata struct {
	Metadata
}

type ProtocolMetadata struct {
	Metadata
	NameValue    *widget.Entry
	VersionValue *widget.Entry
	ExtendsValue *widget.Entry
	DescValue    *widget.Entry
}

func CreateApp() *fyne.Container {
	ppf.Toolbar = CreateToolbar()
	ppf.Workarea = CreateWorkarea()
	ppf.Extensions = container.NewCenter()
	ppf.ProtocolMeta = CreateMetadataProtocol()
	ppf.ContextBar = container.NewCenter()

	return container.NewBorder(
		ppf.Toolbar,
		ppf.ContextBar,
		ppf.Metadata.Representation,
		ppf.Extensions,
		container.NewVScroll(ppf.Workarea),
	)
}

func CreateToolbar() fyne.CanvasObject {
	toolbar := widget.NewToolbar()
	toolbar.Append(widget.NewToolbarAction(theme.StorageIcon(), func() {
		ppf.ProtocolForging = !ppf.ProtocolForging
		//TODO: implement the switch
	}))
	toolbar.Append(widget.NewToolbarSeparator())
	toolbar.Append(widget.NewToolbarAction(theme.FolderNewIcon(), func() {

	}))
	toolbar.Append(widget.NewToolbarAction(theme.FolderOpenIcon(), func() {

	}))
	toolbar.Append(widget.NewToolbarAction(theme.DocumentSaveIcon(), func() {

	}))
	toolbar.Append(widget.NewToolbarAction(theme.SettingsIcon(), func() {

	}))
	toolbar.Append(widget.NewToolbarSpacer())
	toolbar.Append(widget.NewToolbarAction(theme.LogoutIcon(), func() {
		fyneApp.Quit()
	}))

	return toolbar
}

func CreateWorkarea() *fyne.Container {
	return ui.GetProtocolEditor().Representation
}

func CreateMetadataProtocol() *ProtocolMetadata {
	md := ProtocolMetadata{}
	vbox := container.NewVBox()
	vbox.Add(widget.NewLabel("Protocol Metadata"))
	form := container.New(layout.NewFormLayout())
	form.Add(widget.NewLabel("Name:"))
	form.Add(widget.NewEntry())
	form.Add(widget.NewLabel("Version:"))
	form.Add(widget.NewEntry())
	form.Add(widget.NewLabel("Extends:"))
	form.Add(widget.NewEntry())
	vbox.Add(form)
	vbox.Add(widget.NewLabel("Description"))
	multiline := widget.NewMultiLineEntry()
	multiline.SetMinRowsVisible(3)
	vbox.Add(multiline)
	md.Representation = vbox
	return &md
}

func CreateMetadataPacket() *PacketMetadata {
	md := PacketMetadata{}
	vbox := container.NewVBox()
	vbox.Add(widget.NewLabel("Packet Metadata"))
	form := container.New(layout.NewFormLayout())
	form.Add(widget.NewLabel("Name:"))
	form.Add(widget.NewEntry())
	vbox.Add(form)
	vbox.Add(widget.NewLabel("Description:"))
	multiline := widget.NewMultiLineEntry()
	multiline.SetMinRowsVisible(3)
	vbox.Add(multiline)
	return &md
}

func UpdateProtocolMetadata(prot *protocol.ProtocolStructure) {
	// md := ppfApp.ProtocolMeta
}