nethack-launcher/nethack-launcher/print_user_screen.go

package main

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

	"gopkg.in/redis.v5"
)

func printUserScreen(redisClient *redis.Client, username string) string {
	clearScreen()
	fmt.Printf(" %s\n", config.NethackLauncher.ServerDisplay)
	fmt.Printf(" Logged in as: %s\n", username)
	println("")
	println("Global")
	println(" l) Logout")
	println(" c) Change password")
	println(" w) Watch games in progress")
	println(" x) Browse library of ttyrecs")
	println("")
	println("Shadow of the Wyrm")
	println(" f) Edit SOTW config")
	fmt.Printf(" o) Play Shadow of the Wyrm %s\n", config.NethackLauncher.SotwVersion)
	println("")
	println("Nethack")
	println(" h) View NetHack highscores")
	println(" a) View all NetHack scores")
	println(" e) Edit NetHack config")
	println(" r) Recover NetHack from crash")
	fmt.Printf(" p) Play NetHack %s\n", config.NethackLauncher.NethackVersion)
	println("")
	println(" q) Quit")
	println("")
	fmt.Printf(">> ")

	// disable input buffering
	exec.Command("stty", "-F", "/dev/tty", "cbreak", "min", "1").Run()
	// do not display entered characters on the screen
	exec.Command("stty", "-F", "/dev/tty", "-echo").Run()

	var b []byte = make([]byte, 1)
	for {
		os.Stdin.Read(b)
		switch string(b) {
		case "l":
			// restart display
			exec.Command("stty", "-F", "/dev/tty", "echo", "-cbreak").Run()
			clearScreen()
			printWelcomeScreen(redisClient)
		case "e":
			hackRCLoc := fmt.Sprintf("%s/user/%s/.nethackrc", config.NethackLauncher.HackDir, username)
			exec.Command("stty", "-F", "/dev/tty", "echo", "-cbreak").Run()
			clearScreen()
			nh := exec.Command("vim", "-i", "NONE", "-Z", hackRCLoc)
			nh.Stdout = os.Stdout
			nh.Stdin = os.Stdin
			nh.Stderr = os.Stderr
			nh.Run()
			clearScreen()
			printUserScreen(redisClient, username)
		case "f":
			// check if the file has been uplifted
			SOTWLoc := fmt.Sprintf("%s/user/%s/sotw/swyrm.ini", config.NethackLauncher.HackDir, username)
			il, _ := os.Lstat(SOTWLoc)
			if il.Mode()&os.ModeSymlink == os.ModeSymlink {
				// the file is still a legacy symlink, remove and recopy
				err := os.Remove(SOTWLoc)
				if err != nil {
					fmt.Println(err)
				}
				SOTWOrigin := fmt.Sprintf("%s/swyrm.ini", config.NethackLauncher.SotwRoot)
				exec.Command("cp", SOTWOrigin, SOTWLoc).Run()
			}

			exec.Command("stty", "-F", "/dev/tty", "echo", "-cbreak").Run()
			clearScreen()
			nh := exec.Command("vim", "-i", "NONE", "-Z", SOTWLoc)
			nh.Stdout = os.Stdout
			nh.Stdin = os.Stdin
			nh.Stderr = os.Stderr
			nh.Run()
			clearScreen()
			printUserScreen(redisClient, username)
		case "c":
			printChangePasswordScreen(redisClient, username)
			clearScreen()
		case "w":
			clearScreen()
			printProgressScreen(redisClient, username)
		case "x":
			clearScreen()
			printLibraryScreen(redisClient, username)
		case "h":
			clearScreen()
			printHighScores(redisClient, username)
		case "a":
			clearScreen()
			printAllScores(redisClient, username)
		case "p":
			wg.Add(1)
			currentTime := time.Now().UTC()
			fulltime := currentTime.Format("2006-01-02.03:04:05")
			go runGame(username, fulltime)
			go runCleanup(username)
			watcher := startWatcher(username, fulltime, redisClient)
			wg.Wait()
			close(watcher)
			printUserScreen(redisClient, username)
		case "o":
			wg.Add(1)
			currentTime := time.Now().UTC()
			fulltime := currentTime.Format("2006-01-02.03:04:05")
			go runSotwGame(username, fulltime)
			go runCleanup(username)
			watcher := startWatcher(username, fulltime, redisClient)
			wg.Wait()
			close(watcher)
			printUserScreen(redisClient, username)
		case "r":
			clearScreen()
			recoverSave(redisClient, username)
		case "q":
			exec.Command("stty", "-F", "/dev/tty", "echo", "-cbreak").Run()
			clearScreen()
			os.Exit(0)
		default:
		}
	}
}