using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Perforce.P4;

namespace SampleApp
{
    public partial class MainForm : Form
    {
        // Server, repository and connection.
        Server server;
        Repository rep;
        Connection con;

        // Connection details.
        string uri;
        string user;
        string clientName;
        string password;

        const string LOGGEDIN = "Logged In";
        const string LOGGEDOUT = "Logged Out";
        const string CONNECTED = "Connected";
        const string DISCONNECTED = "Disconnected";

        public MainForm()
        {
            InitializeComponent();
        }

        private void MainForm_Load(object sender, EventArgs e)
        {
            SetLoggedOut();
        }

        private void ExitButton_Click(object sender, EventArgs e)
        {
            if (con.Status == ConnectionStatus.Connected) con.Disconnect();
            Application.Exit();
        }

        private void ConnectButton_Click(object sender, EventArgs e)
        {
            try
            {
                SetLoggedOut();

                ConnectToServer();
                LoginToServer();

                SetLoggedIn();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Application Error");
                Disconnect();
            }
        }

        private void SetLoggedIn()
        {
            GetButton.Enabled = true;
            SubmitButton.Enabled = true;

            ConnectionLabel.Text = CONNECTED;
            ConnectionLabel.ForeColor = Color.Green;
            LoginLabel.Text = LOGGEDIN;
            LoginLabel.ForeColor = Color.Green;
            Application.DoEvents();
        }

        private void SetLoggedOut()
        {
            GetButton.Enabled = false;
            SubmitButton.Enabled = false;
            ResultTextBox.Clear();

            ConnectionLabel.Text = DISCONNECTED;
            ConnectionLabel.ForeColor = Color.Red;
            LoginLabel.Text = LOGGEDOUT;
            LoginLabel.ForeColor = Color.Red;
            Application.DoEvents();
        }

        public void ShowClientMap()
        {
            try
            {
                // Get client spec from repository.
                Client client = rep.GetClient(clientName);

                // Display spec.
                ResultTextBox.Clear();
                ResultTextBox.Text = client.ViewMap.ToString();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Application Error");
                Disconnect();
            }
        }
        public void LoginToServer()
        {
            try
            {
                password = PasswordTextBox.Text.Trim();
                Credential cred = con.Login(password, null, null);

                LoginLabel.Text = LOGGEDIN;
                LoginLabel.ForeColor = Color.Green;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Application Error");
                Disconnect();
            }
        }

        public void ConnectToServer()
        {
            // Connection details.
            //uri = "public.perforce.com:1666";
            //uri = @"rsh:c:\test\p4d.exe -r C:\test -L log -i";
            //user = "Paul_Arva";
            //clientName = "Paul_Arva_SampleApp";
            //password = "Perpass1";

            ResultTextBox.Clear();
            uri = ServerTextBox.Text.Trim();
            user = UserTextBox.Text.Trim();
            clientName = ClientTextBox.Text.Trim();

            server = new Server(new ServerAddress(uri));
            rep = new Repository(server);
            con = rep.Connection;

            // Define username and client name.
            con.UserName = user;
            con.Client = new Client();
            con.Client.Name = clientName;

            try
            {
                // Connect to server.
                con.Connect(null);

                // Successful connection.
                ConnectionLabel.Text = CONNECTED;
                ConnectionLabel.ForeColor = Color.Green;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Application Error");
                Disconnect();
            }
        }

        private void SubmitButton_Click(object sender, EventArgs e)
        {
            try
            {

            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Application Error");
                Disconnect();
            }
        }

        private void GetButton_Click(object sender, EventArgs e)
        {
            try
            {
                ShowClientMap();
                SubmitButton.Enabled = true;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Application Error");
                Disconnect();
            }
        }

        private void Disconnect()
        {
            if (con.Status == ConnectionStatus.Connected) con.Disconnect();
            ConnectButton.Enabled = true;
            GetButton.Enabled = false;
            SubmitButton.Enabled = false;
        }
    }
}