vpr-mitarbeiterverwaltung/Server/Commands/CommandLibrary.cs

using System.Net.Sockets;
using System.Text.Json;
using DX86;
using Library;

namespace Server;

public class CommandLibrary
{
    [Command("example")]
    public static string ExampleCommand(string[] args, TcpClient? client, TcpServer? socket) =>
        $"Example command executed with arguments: {string.Join(", ", args)}";
    
    #region Basic Commands

        [Command("help")]
        public static string HelpCommand() =>
        "Available commands:\n" +
        "1. help - Show this help message\n" +
        "2. exit - Exit the server\n" +
        "3. user - User management\n" +
        "4. settings - Server settings\n" +
        "5. start - Start the server\n" +
        "6. stop - Stop the server\n";

    #endregion

    #region Client Commands

        [Command("login")]
        public static string LoginCommand(string[] args, TcpClient? client, TcpServer? socket)
    {
        if (args.Length < 2)
            throw new CommandException("Missing arguments: usage is login <username> <password>");

        string username = args[0];
        string password = args[1];
        
        if (socket?.LoggedInClients.ContainsKey(client) == true)
            throw new CommandException("User already logged in.");

        if (username == "TEST" && password == "1234")
        {
            if (client != null)
            {
                socket?.LoggedInClients.Add(client, username);
                return "success";
            }

            throw new CommandException("No client connection detected.");
        }

        throw new CommandException("Invalid username or password.");
    }

        [Command("logout")]
        public static string LogoutCommand(TcpClient? client, TcpServer? socket)
        {
            if (client != null && socket?.LoggedInClients.ContainsKey(client) == true)
            {
                socket.LoggedInClients.Remove(client);
                return "success";
            }
            throw new CommandException("No client provided or not logged in");
        }
        
        [Command("getSelfUser")]
        public static string GetSelfUserCommand(TcpClient? client, TcpServer? socket)
        {
            if (client == null || socket == null)
                throw new CommandException("No client connection detected.");

            if (socket.LoggedInClients.TryGetValue(client, out var username))
            {
                Employee returnEmployee = new Employee(username);
                string jsonEmployee = JsonSerializer.Serialize(returnEmployee);
                return jsonEmployee;
            }

            throw new CommandException("User not logged in.");
        }

    #endregion

    #region Administration Commands
    
        [Command("get")]
        public static string GetCommand(string[] args, TcpClient? client, TcpServer? socket) =>
        $"not implemented yet, args: {string.Join(", ", args)}";
    
    #endregion
    
}