package tui

import (
	"fmt"
	"os"

	"git.dayanhub.com/sagi/subsonic-tui/internal/client"
	"git.dayanhub.com/sagi/subsonic-tui/internal/config"
	"git.dayanhub.com/sagi/subsonic-tui/internal/playback"
	"git.dayanhub.com/sagi/subsonic-tui/internal/tui/views"
	"github.com/gdamore/tcell/v2"
	"github.com/rivo/tview"
)

type TUI struct {
	app    *tview.Application
	layout views.View

	client      *client.Client
	playbackCtl *playback.Controller
}

func NewLogin() *TUI {
	app := tview.NewApplication()
	layout := views.NewLoginView(func(u, p, url string) {
		c := client.NewClient(url)

		err := c.Authenticate(u, p)
		if err != nil {
			app.Stop()
			fmt.Printf("[Error] Failed to login. Aborting %e", err)
			os.Exit(1)
		}

		config.SetURL(url)
		config.SetUsername(u)
		config.SetPassword(p)
		config.SaveConfig()
		app.Stop()
	}, func() {
		app.Stop()
		os.Exit(0)
	})
	app.EnableMouse(true).
		SetRoot(layout.GetView(), true)

	app.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
		if event.Key() == tcell.KeyEsc {
			app.Stop()
			os.Exit(0)
		}

		return event
	})

	return &TUI{
		app:    app,
		layout: layout,
	}
}

func NewPlayer(client *client.Client, playbackCtl *playback.Controller) *TUI {
	app := tview.NewApplication()

	layout := views.NewLayout(client, playbackCtl, func() {
		go app.Draw()
	})
	help := views.NewHelp()

	pages := tview.NewPages()
	pages.AddPage("app", layout.GetView(), true, true)
	pages.AddPage("help", help.GetView(), true, false)

	help.SetKeyPressedFunc(func() {
		pages.SwitchToPage("app")
	})
	app.EnableMouse(true).
		SetRoot(pages, true)

	app.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey {
		if currentPage, _ := pages.GetFrontPage(); currentPage == "help" {
			pages.SwitchToPage("app")
			help.GetView().Blur()
			layout.GetView().Focus(nil)

			return nil
		}

		if layout.Mode() == views.StatusModeSearch {
			return event
		}

		switch event.Rune() {
		case 'q':
			app.Stop()
			fmt.Println("Exiting..")

			return nil
		case 'h':
			return tcell.NewEventKey(tcell.KeyLeft, rune(tcell.KeyLeft), event.Modifiers())
		case 'j':
			return tcell.NewEventKey(tcell.KeyDown, rune(tcell.KeyDown), event.Modifiers())
		case 'k':
			return tcell.NewEventKey(tcell.KeyUp, rune(tcell.KeyUp), event.Modifiers())
		case 'l':
			return tcell.NewEventKey(tcell.KeyRight, rune(tcell.KeyRight), event.Modifiers())
		case '?':
			pages.SwitchToPage("help")
			layout.GetView().Blur()

			go app.Draw()
		default:
			return event
		}

		return event
	})

	app.SetAfterDrawFunc(func(screen tcell.Screen) {
		layout.Update()
	})
	app.GetFocus().Blur()

	// app.SetFocus(layout.GetView())

	return &TUI{
		app:         app,
		layout:      layout,
		client:      client,
		playbackCtl: playbackCtl,
	}
}

func (t *TUI) Run() error {
	return t.app.Run()
}