package gui

import (
	"jws/internal/dependency"

	"fyne.io/fyne/v2"
	"fyne.io/fyne/v2/container"
	"fyne.io/fyne/v2/dialog"
	"fyne.io/fyne/v2/layout"
	"fyne.io/fyne/v2/theme"
	"fyne.io/fyne/v2/widget"
)

// ShowDependencyScreen displays the dependency check screen
func ShowDependencyScreen() {
	title := widget.NewLabel("check dependencies")
	title.TextStyle = fyne.TextStyle{Bold: true}
	title.Alignment = fyne.TextAlignCenter

	description := widget.NewLabel("dependencies needed for dev-environment:")
	description.Wrapping = fyne.TextWrapWord

	dependencyContainer := container.NewVBox()
	allInstalled := true

	for i, dep := range dependencies {
		statusIcon := theme.CancelIcon()
		statusText := "not installed"

		if dep.Installed {
			statusIcon = theme.ConfirmIcon()
			statusText = "installed"
		} else {
			allInstalled = false
		}

		depBox := container.NewHBox(
			widget.NewIcon(dep.Icon),
			widget.NewLabel(dep.Name),
			layout.NewSpacer(),
			widget.NewIcon(statusIcon),
			widget.NewLabel(statusText),
		)

		dependencyContainer.Add(depBox)

		if !dep.Installed {
			installBtn := widget.NewButton("install", func(i int) func() {
				return func() {
					ShowPasswordDialog(i)
				}
			}(i))

			depBox = container.NewStack(
				layout.NewSpacer(),
				installBtn,
			)
			dependencyContainer.Add(depBox)
		}
	}

	nextBtn := widget.NewButton("go to projects", func() {
		if allInstalled {
			ShowProjectScreen()
		} else {
			dialog.ShowInformation("dependencies missing",
				"Please install all required dependencies before proceeding.", mainWindow)
		}
	})

	nextBtn.Importance = widget.HighImportance

	recheckBtn := widget.NewButton("check again", func() {
		dependency.CheckDependencies(dependencies)
		ShowDependencyScreen()
	})

	buttonContainer := container.New(layout.NewGridLayout(2), recheckBtn, nextBtn)

	paddedButtonContainer := container.NewPadded(buttonContainer)

	description.Alignment = fyne.TextAlignCenter
	header := container.NewVBox(title, description)
	content := container.NewBorder(header,
		paddedButtonContainer,
		nil,
		nil,
		dependencyContainer,
	)

	mainWindow.SetContent(content)
}