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 details.
        Server server;
        Repository rep;
        Connection con;
        Credential cred;

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

        // State constants.
        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)
        {
            // Release connection.
            if (con.Status == ConnectionStatus.Connected) con.Disconnect();
            Application.Exit();
        }

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

                ResultTextBox.Clear();
                uri = ServerTextBox.Text.Trim();

                Utilities utils = new Utilities();
                con = utils.ConnectToServer(uri, out server, out rep);

                ConnectionLabel.Text = CONNECTED;
                ConnectionLabel.ForeColor = Color.Green;

                userName = UserTextBox.Text.Trim();
                clientName = ClientTextBox.Text.Trim();
                password = PasswordTextBox.Text.Trim();

                utils.LoginToServer(con, userName, clientName, password, out cred);

                LoginLabel.Text = LOGGEDIN;
                LoginLabel.ForeColor = Color.Green;
                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();
        }

        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
            {
                Utilities utils = new Utilities();
                Client client = utils.GetClientMap(clientName, rep);

                // Display spec.
                ResultTextBox.Clear();
                ResultTextBox.Text = client.ViewMap.ToString();

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

        private void Disconnect()
        {
            if (con.Status == ConnectionStatus.Connected) con.Disconnect();
            SetLoggedOut();
        }
    }
}