package ui

import (
	"errors"
	"fmt"
	"go_dreamfactory/cmd/ptt/lib/common"
	"go_dreamfactory/pb"

	"fyne.io/fyne/v2"
	"fyne.io/fyne/v2/container"
	"fyne.io/fyne/v2/dialog"
	"fyne.io/fyne/v2/widget"
	"github.com/BabySid/gobase"
	"github.com/Pallinder/go-randomdata"
	"github.com/sirupsen/logrus"
	"github.com/spf13/cast"
)

var (
	globalWin *MainWindowImpl
)

type MainWindow interface {
	WindowInterface
}

type MainWindowImpl struct {
	UIImpl
	WindowDefaultOptions
	w    fyne.Window
	tb   *toolBar      //工具条
	toys *toys         //
	sb   *statusBar    //状态栏
	at   *appContainer //tabs
}

func NewMainWindow(ui *UIImpl) MainWindow {
	gobase.NewScheduler().Start()
	gobase.RegisterAtExit(gobase.GlobalScheduler.Stop)
	mw := &MainWindowImpl{
		UIImpl: *ui,
	}

	// status bar
	mw.sb = newStatusBar()

	// tool bar
	mw.tb = newToolBar()

	// Fun Toys
	mw.toys = newToys()

	// main app tabs
	mw.at = newAppContainer()

	globalWin = mw
	return mw
}

// createWindowContainer create a container with the window content
func (ui *MainWindowImpl) createWindowContainer() {
	// create main layout

	// status bar
	ui.sb = newStatusBar()

	// tool bar
	ui.tb = newToolBar()

	// Fun Toys
	ui.toys = newToys()

	// main app tabs
	ui.at = newAppContainer()
	content := container.NewBorder(ui.tb.toolbar, ui.sb.widget, nil, ui.toys.widget, ui.at)
	ui.w.SetContent(content)
}

// CreateWindow ....
func (ui *MainWindowImpl) CreateWindow(title string, width, height float32, _ bool) {
	// init window
	w := ui.app.NewWindow(title)
	ui.AddWindow("main", w)
	ui.w = w

	if ui.windowAspect == common.WindowAspect_FullScreen {
		w.SetFullScreen(true)
	} else {
		w.Resize(fyne.NewSize(width, height))
	}

	// create main window menu
	w.SetMainMenu(ui.createMainWindowMenu())

	// create window container
	// mainLayout := ui.createWindowContainer()

	w.SetMaster()
	// w.Show()
	// w.SetContent(mainLayout)
	w.CenterOnScreen()
	_ = ui.createChooseServerPopUp(w)
}

// createChooseServerPopUp
func (ui *MainWindowImpl) createChooseServerPopUp(w fyne.Window) error {
	ch := make(chan int32)

	selServerWin := ui.createChooseServerWindow("选服", ch)
	go func() {
		sid := <-ch
		selServerWin.Hide()
		ui.NewWelcomeLabel(sid)
		ui.w.Show()
	}()
	return nil
}

// createChooseServerWindow
func (ui *MainWindowImpl) createChooseServerWindow(
	title string,
	ch chan int32) fyne.Window {

	makeButton := func(sid int32, w fyne.Window) *widget.Button {
		serverName := "service " + cast.ToString(sid)
		btn := widget.NewButton(serverName, func() {
			d := dialog.NewInformation("req", common.INFO_WAIT, w)
			d.SetDismissText(common.BUTTON_CANCEL)
			d.Show()
			defer d.Hide()

			logrus.WithField("server", serverName).Debug("choose server")
			ui.sb.setMessage(serverName)
			//conn server
			if err := ui.connService.Connect("ws://localhost:7891/gateway"); err != nil {
				logrus.Error(err)
				derr := errors.New("conn err")
				dialog.ShowError(derr, w)
			} else {
				ch <- sid
			}

		})
		//other btn setting
		return btn
	}

	w := ui.app.NewWindow(title)
	box1 := makeButton(1, w)
	box2 := makeButton(2, w)
	box3 := makeButton(3, w)
	box4 := makeButton(4, w)

	w.SetContent(container.NewGridWithColumns(2, box1, box2, box3, box4))
	w.SetFixedSize(true)
	w.Resize(fyne.NewSize(500, 200))
	w.Show()
	w.CenterOnScreen()
	return w
}

// createLoginWin
func (ui *MainWindowImpl) createLoginWin(sid int32) {
	//form
	account := widget.NewEntry()
	// account.Validator = validation.NewRegexp(`^(\s*)$`, "account required")
	// password := widget.NewPasswordEntry()
	items := []*widget.FormItem{
		widget.NewFormItem(common.LABEL_ACCOUNT, account),
		// widget.NewFormItem("password", password),
	}

	dialog.ShowForm(common.FORM_TITLE_LOGIN, common.BUTTON_LOGIN, common.BUTTON_CANCEL, items, func(b bool) {
		if !b {
			logrus.Debug("cancel login")
		} else {
			if account.Text != "" {
				logrus.WithField("account", account.Text).Debug("submit login")
				if code, rsp := ui.pttService.Login(sid, account.Text); code != pb.ErrorCode_Success {
					err := fmt.Errorf("login err: %v[%d]", code, int32(code))
					dialog.ShowError(err, ui.w)

				} else {
					//show mainwindow
					logrus.Debug(rsp)
					ui.pttService.SetUser(rsp.Data, rsp.Ex)
					// TODO isCreateRole
					if rsp.Data.Created {
						// ui.renderUserContainer()
						ui.createWindowContainer()
						ui.sb.setMessage(common.LABEL_WELCOME + rsp.Data.Binduid)
						appName, err := ui.at.openDefaultApp()
						if err != nil {
							logrus.WithField("appName", appName).Error(err)
						}
					} else {
						ui.createRoleWindowPopUp()
					}

				}
			}

		}
	}, ui.w)
}

// createMainWindowMenu create the main window menu
func (ui *MainWindowImpl) createMainWindowMenu() *fyne.MainMenu {

	menuItems := []*fyne.MenuItem{}

	menu := fyne.Menu{
		Label: common.MENU_FILE,
		Items: menuItems,
	}
	return fyne.NewMainMenu(&menu)
}

// createRoleWindowPopUp
func (ui *MainWindowImpl) createRoleWindowPopUp() {
	nickname := widget.NewEntry()
	c := container.NewHBox(
		nickname,
		widget.NewButton(common.BUTTON_RANDOM, func() {
			nickname.SetText(randomdata.SillyName())
		}),
	)
	items := []*widget.FormItem{
		widget.NewFormItem(common.LABEL_NICKNAME, c),
	}

	dialog.ShowForm(common.FORM_TITLE_CREATEROLE, common.BUTTON_OK, common.BUTTON_CANCEL, items, func(b bool) {
		if !b {
			return
		} else {
			if nickname.Text != "" {
				logrus.WithField("nickname", nickname.Text).Debug("submit crete role")
				if code, rsp := ui.pttService.CreateRole(nickname.Text); code != pb.ErrorCode_Success {
					err := fmt.Errorf("login err: %v[%d]", code, int32(code))
					dialog.ShowError(err, ui.w)
				} else {
					if rsp.IsSucc {
						user := ui.pttService.GetUser()
						logrus.WithField("uid", user.DbUser.Uid).Debug("create role succ")
						ui.createWindowContainer()
					} else {
						logrus.Error("create role failure")
					}
				}
			}
		}
	}, ui.w)
}

// renderUserContainer fill userinfo in container
func (ui *MainWindowImpl) renderUserContainer() {
	userInfo := ui.pttService.GetUser()
	var (
		nickname string
	)

	if userInfo != nil && userInfo.DbUser != nil {
		nickname = userInfo.DbUser.Name
	}
	c := container.NewCenter(container.NewHBox(
		widget.NewLabelWithStyle(common.LABEL_NICKNAME+nickname,
			fyne.TextAlignCenter,
			fyne.TextStyle{Bold: true}),
	))
	ui.w.SetContent(c)
}

// NewWelcomeLabel
func (ui *MainWindowImpl) NewWelcomeLabel(sid int32) {
	c := container.NewCenter(container.NewVBox(
		widget.NewLabelWithStyle(common.LABEL_CHOOSE+cast.ToString(sid),
			fyne.TextAlignCenter,
			fyne.TextStyle{Bold: true}),
		container.NewCenter(container.NewHBox(
			widget.NewButton(common.BUTTON_LOGIN, func() {
				ui.createLoginWin(sid)
			}),
			// widget.NewButton(common.BUTTON_REGISTE, func() {
			// 	logrus.Debug("registe")
			// }),
		)),
	))
	ui.w.SetContent(c)
}

// show userInfo
func (ui *MainWindowImpl) showUserInfoWin() {

}