package main

import (
	"encoding/json"
	"flag"
	"fmt"
	"log"
	"os"
	"os/exec"

	"github.com/andlabs/ui"
)

type Config struct {
	Username string `json:"username"`
	Password string `json:"password"`
	Domain   string `json:"domain"`
	Server   string `json:"server"`
	Multimon bool   `json:"multimon"`
}

func main() {
	// Argument für die Konfigurationsdatei hinzufügen
	configFile := flag.String("config", "config.json", "Pfad zur Konfigurationsdatei")
	flag.Parse()

	config, err := loadConfig(*configFile)
	if err != nil {
		log.Fatal(err)
	}

	err = ui.Main(func() {
		window := ui.NewWindow("Server Verbindung 1.0", 400, 250, false)

		serverLabel := ui.NewLabel("\nVerbindung zu:\n " + config.Server + "\n")

		usernameEntry := ui.NewEntry()
		usernameEntry.SetText(config.Username)
		passwordEntry := ui.NewPasswordEntry()
		passwordEntry.SetText(config.Password)
		connectButton := ui.NewButton("Verbinden")
		exitButton := ui.NewButton("Beenden")

		box := ui.NewVerticalBox()
		box.SetPadded(true) // Setzt den gepolsterten Modus für die Box

		box.Append(serverLabel, false)
		box.Append(ui.NewLabel("Benutzername:"), false)
		box.Append(usernameEntry, false)
		box.Append(ui.NewLabel("Passwort:"), false)
		box.Append(passwordEntry, false)
		box.Append(connectButton, false)
		box.Append(exitButton, false)

		paddedBox := ui.NewHorizontalBox()
		paddedBox.SetPadded(true)
		paddedBox.Append(box, true)

		window.SetChild(paddedBox)

		connectButton.OnClicked(func(*ui.Button) {
			username := usernameEntry.Text()
			password := passwordEntry.Text()
			connectToServer(username, password, config.Domain, config.Multimon, config.Server)
		})

		exitButton.OnClicked(func(*ui.Button) {
			ui.Quit()
		})

		window.OnClosing(func(*ui.Window) bool {
			ui.Quit()
			return true
		})
		window.Show()
	})
	if err != nil {
		log.Fatal(err)
	}
}

func loadConfig(filename string) (*Config, error) {
	data, err := os.ReadFile(filename)
	if err != nil {
		return nil, err
	}
	var config Config
	err = json.Unmarshal(data, &config)
	if err != nil {
		return nil, err
	}
	return &config, nil
}

func connectToServer(username, password, domain string, multimon bool, server string) {
	args := []string{"/u:" + username, "/p:" + password, "/d:" + domain, "/v:" + server, "/cert:ignore", "/floatbar:sticky:off,default:visible,show:always"}
	if multimon {
		args = append(args, "/multimon")
	}
	cmd := exec.Command("xfreerdp", args...)
	err := cmd.Run()
	if err != nil {
		log.Fatal(err)
	} else {
		fmt.Println("Erfolgreich verbunden!")
	}
}