package main

import (
	"image/color"

	"fyne.io/fyne/v2"
	"fyne.io/fyne/v2/app"
	"fyne.io/fyne/v2/canvas"
	"fyne.io/fyne/v2/container"
	"fyne.io/fyne/v2/widget"
)

type Application struct {
	App                 fyne.App
	MainWindow          fyne.Window
	StatusTCPClientChan chan bool
	StatusFlexChan      chan bool
	SpotChan            chan TelnetSpot
}

func NewApp() *Application {
	a := app.New()
	w := a.NewWindow("FlexDXCluster")
	w.CenterOnScreen()
	w.Resize(fyne.NewSize(700, 400))

	servicesLabel := canvas.NewText("Connected Services", color.Black)
	servicesLabel.TextStyle = fyne.TextStyle{Bold: true}
	TCPClientLabel := canvas.NewText("DX Cluster: ", color.Black)
	TCPClientStatusLabel := canvas.NewText("Disconnected", color.RGBA{255, 0, 0, 255})
	TCPClientStatusLabel.TextStyle = fyne.TextStyle{Bold: true}
	TCPClientAll := container.NewHBox(TCPClientLabel, TCPClientStatusLabel)

	FlexRadioLabel := canvas.NewText("FlexRadio: ", color.Black)
	FlexRadioStatusLabel := canvas.NewText("Disconnected", color.RGBA{255, 0, 0, 255})
	FlexRadioStatusLabel.TextStyle = fyne.TextStyle{Bold: true}
	FlexRadioAll := container.NewHBox(FlexRadioLabel, FlexRadioStatusLabel)

	Sep := widget.NewSeparator()

	SpotLabelDX := canvas.NewText("DX: ", color.Black)
	SpotLabelFreqMhz := canvas.NewText("Freq: ", color.Black)
	SpotLabelBand := canvas.NewText("Band: ", color.Black)
	Spot := container.NewHBox(SpotLabelDX, SpotLabelFreqMhz, SpotLabelBand)

	content := container.NewVBox(servicesLabel, Sep, TCPClientAll, FlexRadioAll, Sep, Spot)
	w.SetContent(content)

	app := &Application{
		App:                 a,
		MainWindow:          w,
		StatusTCPClientChan: make(chan bool, 1),
		StatusFlexChan:      make(chan bool, 1),
		SpotChan:            make(chan TelnetSpot, 100),
	}

	go app.updateStatusTCPClient(TCPClientStatusLabel)
	go app.updateStatusFlex(FlexRadioStatusLabel)
	go app.updateDXSpot(SpotLabelDX, SpotLabelFreqMhz, SpotLabelBand)

	return app

}

func (a *Application) Start() {
	a.MainWindow.ShowAndRun()
}

func (a *Application) updateStatusTCPClient(TCPClientLabelStatus *canvas.Text) {
	for status := range a.StatusTCPClientChan {
		if status {
			TCPClientLabelStatus.Text = "Connected"
			TCPClientLabelStatus.Color = color.Color(color.RGBA{0, 94, 27, 255})
			TCPClientLabelStatus.TextStyle = fyne.TextStyle{Bold: true}
		} else {
			TCPClientLabelStatus.Text = "Disconnected"
			TCPClientLabelStatus.Color = color.Color(color.RGBA{255, 0, 0, 255})
			TCPClientLabelStatus.TextStyle = fyne.TextStyle{Bold: true}
		}
	}
}

func (a *Application) updateStatusFlex(FlexRadioStatusLabel *canvas.Text) {
	for status := range a.StatusFlexChan {
		if status {
			FlexRadioStatusLabel.Text = "Connected"
			FlexRadioStatusLabel.Color = color.Color(color.RGBA{0, 94, 27, 255})
			FlexRadioStatusLabel.TextStyle = fyne.TextStyle{Bold: true}
		} else {
			FlexRadioStatusLabel.Text = "Disconnected"
			FlexRadioStatusLabel.Color = color.Color(color.RGBA{255, 0, 0, 255})
			FlexRadioStatusLabel.TextStyle = fyne.TextStyle{Bold: true}
		}
	}
}

func (a *Application) updateDXSpot(SpotLabelDX *canvas.Text, SpotLabelFreqMhz *canvas.Text, SpotLabelBand *canvas.Text) {
	for spot := range a.SpotChan {
		SpotLabelDX.Text = "DX: " + spot.DX
		SpotLabelFreqMhz.Text = "- Freq: " + spot.Frequency
		SpotLabelBand.Text = "- Band: " + spot.Band
	}
}