package gui

import (
	"fmt"

	"github.com/jesseduffield/gocui"
)

func (gui *Gui) showUpdatePrompt(newVersion string) error {
	return gui.ask(askOpts{
		title:  "New version available!",
		prompt: fmt.Sprintf("Download version %s? (enter/esc)", newVersion),
		handleConfirm: func() error {
			gui.startUpdating(newVersion)
			return nil
		},
	})
}

func (gui *Gui) onUserUpdateCheckFinish(newVersion string, err error) error {
	if err != nil {
		return gui.surfaceError(err)
	}
	if newVersion == "" {
		return gui.createErrorPanel("New version not found")
	}
	return gui.showUpdatePrompt(newVersion)
}

func (gui *Gui) onBackgroundUpdateCheckFinish(newVersion string, err error) error {
	if err != nil {
		// ignoring the error for now so that I'm not annoying users
		gui.Log.Error(err.Error())
		return nil
	}
	if newVersion == "" {
		return nil
	}
	if gui.UserConfig.Update.Method == "background" {
		gui.startUpdating(newVersion)
		return nil
	}
	return gui.showUpdatePrompt(newVersion)
}

func (gui *Gui) startUpdating(newVersion string) {
	gui.State.Updating = true
	statusId := gui.statusManager.addWaitingStatus("updating")
	gui.Updater.Update(newVersion, func(err error) error { return gui.onUpdateFinish(statusId, err) })
}

func (gui *Gui) onUpdateFinish(statusId int, err error) error {
	gui.State.Updating = false
	gui.statusManager.removeStatus(statusId)
	gui.renderString(gui.Views.AppStatus, "")
	if err != nil {
		return gui.createErrorPanel("Update failed: " + err.Error())
	}
	return nil
}

func (gui *Gui) createUpdateQuitConfirmation() error {
	return gui.ask(askOpts{
		title:  "Currently Updating",
		prompt: "An update is in progress. Are you sure you want to quit?",
		handleConfirm: func() error {
			return gocui.ErrQuit
		},
	})
}
