package main

import (
	"fmt"
	"os/exec"
	"strings"
	"time"

	disabledicon "gitea.ronald1985.uk/ronald1985/Eye-Reminder/icons/disabledicon"
	enabledicon "gitea.ronald1985.uk/ronald1985/Eye-Reminder/icons/enabledicon"

	"github.com/gen2brain/beeep"
	"github.com/getlantern/systray"
	ge "github.com/ronaldr1985/graceful-exit"
)

const (
	TIME_INBETWEEN_NOTIFICATIONS = 20 * time.Minute
)

func SendNotification(title string, message string) bool {
	path, err := exec.LookPath("herbe")
	if err == nil {
		var args []string
		args = append(args, title, message)
		cmd := exec.Command(path, args...)
		out, err := cmd.CombinedOutput()
		if out == nil && err == nil {
			return true
		}
	} else if strings.Contains(err.Error(), "executable file not found in ") {
		err := beeep.Notify(title, message, "assets/Eye-Reminder-Icon.png")
		if err != nil {
			panic(err)
		}
	}

	return false
}

func systrayOnReady() {
	var enabled bool = true
	systray.SetTitle("Eye Reminder")
	systray.SetTooltip("Eye Reminder")
	systray.SetIcon(enabledicon.Data)
	mQuitOrig := systray.AddMenuItem("Quit", "Quit the whole app")

	go func() {
		<-mQuitOrig.ClickedCh
		fmt.Println("Requesting quit")
		systray.Quit()
		fmt.Println("Finished quitting")
	}()

	go func() {
		lastTimeNotificationWasSent := time.Now().Add(-20 * time.Minute)

		for {
			if enabled && time.Since(lastTimeNotificationWasSent) > TIME_INBETWEEN_NOTIFICATIONS {
				SendNotification("Eye Reminder", "Look away for the screen for atleast 20 seconds")

				lastTimeNotificationWasSent = time.Now()
			}
		}
	}()

	go func() {
		systray.AddSeparator()
		mEnabled := systray.AddMenuItemCheckbox("Enabled", "Check Me", true)

		for {
			select {
			case <-mEnabled.ClickedCh:
				if mEnabled.Checked() {
					mEnabled.Uncheck()

					enabled = false

					systray.SetIcon(disabledicon.Data)
				} else {
					mEnabled.Check()

					enabled = true

					systray.SetIcon(enabledicon.Data)
				}
			}
		}
	}()
}

func main() {
	ge.HandleSignals(false)

	systrayOnExit := func() {
	}
	systray.Run(systrayOnReady, systrayOnExit)
}