MobileMkch/ui/manager.go

package ui

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

	"MobileMkch/api"
	"MobileMkch/models"
)

type UIManager struct {
	app       fyne.App
	window    fyne.Window
	apiClient *api.Client

	navigationStack []Screen
	currentScreen   Screen

	mainContainer *fyne.Container
	headerBar     *fyne.Container
	content       *fyne.Container

	isDarkTheme bool
}

type Screen interface {
	GetContent() fyne.CanvasObject
	GetTitle() string
	OnShow()
	OnHide()
}

func NewUIManager(app fyne.App, window fyne.Window, apiClient *api.Client) *UIManager {
	manager := &UIManager{
		app:             app,
		window:          window,
		apiClient:       apiClient,
		navigationStack: make([]Screen, 0),
		content:         container.NewMax(),
		isDarkTheme:     true, // По умолчанию темная тема
	}

	manager.setupHeader()
	manager.setupMainContainer()

	boardsScreen := NewBoardsScreen(manager)
	manager.ShowScreen(boardsScreen)

	return manager
}

func (ui *UIManager) setupHeader() {
	titleLabel := widget.NewLabel("MobileMkch")
	titleLabel.TextStyle = fyne.TextStyle{Bold: true}

	backButton := widget.NewButton("← Назад", func() {
		ui.GoBack()
	})
	backButton.Hide()

	refreshButton := widget.NewButton("🔄", func() {
		if ui.currentScreen != nil {
			ui.currentScreen.OnShow()
		}
	})

	themeButton := widget.NewButton("🌙", func() {
		ui.toggleTheme()
	})

	rightButtons := container.NewHBox(refreshButton, themeButton)

	ui.headerBar = container.NewHBox(
		backButton,
		titleLabel,
		rightButtons,
	)
}

func (ui *UIManager) setupMainContainer() {
	ui.mainContainer = container.NewBorder(
		ui.headerBar,
		nil,
		nil,
		nil,
		ui.content,
	)
}

func (ui *UIManager) GetMainContent() fyne.CanvasObject {
	return ui.mainContainer
}

func (ui *UIManager) ShowScreen(screen Screen) {
	if ui.currentScreen != nil {
		ui.currentScreen.OnHide()
	}

	ui.navigationStack = append(ui.navigationStack, screen)
	ui.currentScreen = screen

	ui.content.RemoveAll()
	ui.content.Add(screen.GetContent())
	ui.content.Refresh()

	ui.updateHeader(screen.GetTitle())

	screen.OnShow()
}

func (ui *UIManager) GoBack() {
	if len(ui.navigationStack) <= 1 {
		return
	}

	if ui.currentScreen != nil {
		ui.currentScreen.OnHide()
	}

	ui.navigationStack = ui.navigationStack[:len(ui.navigationStack)-1]

	ui.currentScreen = ui.navigationStack[len(ui.navigationStack)-1]
	ui.content.RemoveAll()
	ui.content.Add(ui.currentScreen.GetContent())
	ui.content.Refresh()

	ui.updateHeader(ui.currentScreen.GetTitle())

	ui.currentScreen.OnShow()
}

func (ui *UIManager) toggleTheme() {
	ui.isDarkTheme = !ui.isDarkTheme

	if ui.isDarkTheme {
		ui.app.Settings().SetTheme(theme.DarkTheme())
	} else {
		ui.app.Settings().SetTheme(theme.LightTheme())
	}

	ui.window.Canvas().Refresh(ui.window.Canvas().Content())
}

func (ui *UIManager) updateHeader(title string) {
	ui.window.SetTitle(title)

	if len(ui.headerBar.Objects) > 0 {
		if backBtn, ok := ui.headerBar.Objects[0].(*widget.Button); ok {
			if len(ui.navigationStack) > 1 {
				backBtn.Show()
			} else {
				backBtn.Hide()
			}
		}
	}

	ui.headerBar.Refresh()
}

func (ui *UIManager) ShowBoardThreads(board *models.Board) {
	threadsScreen := NewThreadsScreen(ui, board)
	ui.ShowScreen(threadsScreen)
}

func (ui *UIManager) ShowThreadDetail(board *models.Board, thread *models.Thread) {
	threadScreen := NewThreadDetailScreen(ui, board, thread)
	ui.ShowScreen(threadScreen)
}

func (ui *UIManager) GetAPIClient() *api.Client {
	return ui.apiClient
}

func (ui *UIManager) GetWindow() fyne.Window {
	return ui.window
}

func (ui *UIManager) ShowError(title, message string) {
	dialog := widget.NewModalPopUp(
		container.NewVBox(
			widget.NewLabel(title),
			widget.NewLabel(""),
			widget.NewLabel(message),
			widget.NewLabel(""),
			widget.NewButton("OK", func() {
				// Закрыть диалог - пока что просто прячем popup
			}),
		),
		ui.window.Canvas(),
	)
	dialog.Show()
}

func (ui *UIManager) ShowInfo(title, message string) {
	dialog := widget.NewModalPopUp(
		container.NewVBox(
			widget.NewLabel(title),
			widget.NewLabel(""),
			widget.NewLabel(message),
			widget.NewLabel(""),
			widget.NewButton("OK", func() {
				// Закрыть диалог
			}),
		),
		ui.window.Canvas(),
	)
	dialog.Show()
}