using Xylem.Common.Ui.GenesisToolBox.Ctls;
using Xylem.Common.Ui.GenesisToolBox.Infrastructure;

namespace Xylem.Common.Ui.GenesisToolBox
{
    using global::GenesisToolBox;

    using System;
    using System.Diagnostics;
    using System.Drawing;
    using System.IO;
    using System.Windows.Forms;

    using CommonCore.Consts;
    using Utils.Logging;
    using System.Collections.Generic;

    internal delegate void UpdateLayout();

    /// <inheritdoc />
    public partial class FrmMainForm : Form
    {
        /// <summary>
        /// Ctor
        /// </summary>
        public FrmMainForm()
        {
            InitializeComponent();
            InitializeFormState();

            menuItemOptions.Text = Software.UserName;
            Text = $@"{Text} {SoftwareVersion.Current.VersionString}";
            var logger = NLogHelper.CreateOrGetLogger("GenesisToolBox");
            logger.Info($"GenesisToolBox {SoftwareVersion.Current}");

            //bool valid = false;

            //using (System.DirectoryServices.AccountManagement.PrincipalContext context = new PrincipalContext(ContextType.Domain))
            //{

            //    valid = context.ValidateCredentials("drabesch_ro", "password");
            //}
        }

        /// <inheritdoc />
        public sealed override String Text
        {
            get => base.Text;
            set => base.Text = value;
        }

        private void btnSetup_Click(Object sender, EventArgs e)
        {
            var form = new FrmSetup();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }

        private void Form_Closed(Object sender, EventArgs e)
        {
            Show();
        }

        private void btnPassword_Click(Object sender, EventArgs e)
        {
            var form = new FrmPassword();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }

        private void btnRegisterStore_Click(Object sender, EventArgs e)
        {
            var form = new FrmRegisterStore();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }



        private void FrmMainForm_Load(Object sender, EventArgs e)
        {
            Boolean access;

            try
            {
                access = Logic.SoftwareAccessHelper.Access.HasAccess(SoftwareVersion.Current.AssemblyName);
            }
            catch (Exception ex)
            {
                var msg = $"Unable to acquire a valid license for this GTB {SoftwareVersion.Current}!\n\n" +
                          "Network access error! " +
                          "Please connect to the Xylem network or establish a VPN connection.\n\n" +
                          "DEVELOPER INFO - Network feedback: ";
                MessageBox.Show(msg + ex.Message, @"GenesisToolBox (GTB)", MessageBoxButtons.OK, MessageBoxIcon.Error);

                Close();
                CheckConfigs();
                foreach (var item in Controls)
                {
                    if (item is Button btn)
                    {
                        btn.Enabled = btn.Name == btnSetup.Name || btn.Name == btnRegisterStore.Name;
                    }
                }
                return;
            }
            if (!access)
            {
                var msg = $"The GTB {SoftwareVersion.Current} is out of support!\n\n" +
                          "Please check for versions on the SharePoint location.";
                MessageBox.Show(msg, @"GenesisToolBox (GTB)", MessageBoxButtons.OK, MessageBoxIcon.Error);

                Close();
            }

            //if (System.Diagnostics.Debugger.IsAttached)
            //{
            //    btnFiles.Enabled = true;
            //}

            CheckConfigs();

            //if (false)
            //{



            //    gpLAA.Enabled = false;
            //    gbDeveloper.Enabled = false;


            //    foreach (var item in gpGerneral.Controls)
            //    {
            //        if (item is Button btn)
            //        {
            //            btn.Enabled = false;
            //        }
            //    }
            //    btnPressure.Enabled = true;
            //}

        }

        private void CheckConfigs()
        {
            var applicationDataFolder = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
            var genesisFolder = Directory.CreateDirectory(Path.Combine(applicationDataFolder, "Genesis")).FullName;

            var nLogFile = Path.Combine(genesisFolder, ProgramConfig.NlogConfig);

            if (!File.Exists(nLogFile))
            {
                try
                {
                    File.Copy(ProgramConfig.NlogConfig, nLogFile);
                }
                catch (Exception)
                {
                    MessageBox.Show(@"Unable to create log files!");
                }
            }

            var configFile = Path.Combine(genesisFolder, ProgramConfig.SerialConfigFileName);

            if (!File.Exists(configFile))
            {
                btnRegisterStore.Enabled = false;
                btnPassword.Enabled = false;
                var text = "Configuration file cannot be found!\nExecute setup.";
                MessageBox.Show(text);
            }
        }

        //private void BtnLegacyTestApp_Click(Object sender, EventArgs e)
        //{
        //    var form = new FrmLegacyTestApp();
        //    form.Show();
        //    form.Closed += Form_Closed;
        //    Hide();
        //}

        private void btnAlarm_Click(Object sender, EventArgs e)
        {
            var form = new FrmAlarmMng();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }

        private void btnTempLogger_Click(Object sender, EventArgs e)
        {
            //String command = " -h"; //common help flag for console apps
            //System.Diagnostics.Process pRun;
            //pRun = new System.Diagnostics.Process();
            //pRun.EnableRaisingEvents = true;
            //pRun.Exited += new EventHandler(pRun_Exited);
            //pRun.StartInfo.FileName = "TempLogger.exe";
            //pRun.StartInfo.Arguments = command;
            //pRun.StartInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Normal;

            //pRun.Start();
            //pRun.WaitForExit();

            var form = new FrmTempMeter();
            form.Show();
            form.Closed += Form_Closed;
            Hide();

        }

        //private void pRun_Exited(Object sender, EventArgs e)
        //{
        //    //Do Something Here
        //}

        private void btnRelatePCbID_Click(Object sender, EventArgs e)
        {
            var form = new FrmResearchMapping();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }

        private void btnStreamingQuality_Click(Object sender, EventArgs e)
        {
            var form = new FrmStreamingQuality();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }

        private void btnFwUpdate_Click(Object sender, EventArgs e)
        {
            var form = new FrmFwUpdate();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }

        private void btnCalender_Click(Object sender, EventArgs e)
        {
            var form = new frmCalenderSeconds();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }

        private void btnCustomerText_Click(Object sender, EventArgs e)
        {
            var form = new FrmConfigurations();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }

        private void btnFiles_Click(Object sender, EventArgs e)
        {
            var form = new FrmFileCURD();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }

        //private void btnFWMulti_Click(object sender, EventArgs e)
        //{
        //    var form = new FrmMultiUpdate();
        //    form.Show();
        //    form.Closed += Form_Closed;
        //    Hide();
        //}

        private void btnRegHistory_Click(Object sender, EventArgs e)
        {
            var form = new FrmRegisterHistory();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }

        private void btnCalibrationResult_Click(Object sender, EventArgs e)
        {
            var form = new FrmRawDataInterpreter();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }

        private void BtnFileSplit_Click(Object sender, EventArgs e)
        {
            var form = new FrmLogSplit();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }

        private void btnPara_Click(Object sender, EventArgs e)
        {
            var form = new FrmParameterization();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }

        private void btnLegacyTestApp_Click(Object sender, EventArgs e)
        {
            var form = new FrmLegacyTestApp();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }

        private void btnPressure_Click(Object sender, EventArgs e)
        {
            var form = new FrmPressure();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }

        private void button1_Click(Object sender, EventArgs e)
        {
            var form = new FrmLog();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }

        private void button2_Click(Object sender, EventArgs e)
        {
            var form = new FrmTempMeter();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }

        private void gbDeveloper_Enter(Object sender, EventArgs e)
        {

        }

        private void button2_Click_1(Object sender, EventArgs e)
        {
            var form = new FrmProductionData();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }

        private void btnLutUpdate_Click(Object sender, EventArgs e)
        {
            var form = new FrmLutUpdate();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }

        private void button4_Click(Object sender, EventArgs e)
        {
            var form = new FrmLutManagement();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }

        private void button5_Click(Object sender, EventArgs e)
        {
            var form = new FrmMasterMapping();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }

        private void button1_Click_1(Object sender, EventArgs e)
        {
            var form = new FrmConfigurations();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }

        private void btnLog_Click(Object sender, EventArgs e)
        {
            var form = new FrmLowLevelTools();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }

        #region Form initialization

        /// <summary>
        /// Hides all currently available controls from the main window.
        /// </summary>
        private void HideContent()
        {
            var controlsToRemove = new List<Control>();

            foreach (Control control in Controls)
            {
                if (control is GroupBox groupBox)
                {
                    groupBox.Hide();
                }
                else if (control is IIdentityForm _ )
                {
                    controlsToRemove.Add(control);
                }
            }

            foreach (var control in controlsToRemove)
            {
                Controls.Remove(control);
            }
        }

        /// <summary>
        /// Gives all buttons that pointing to software function or other forms, tag with specific software function.
        /// </summary>
        private void SetSoftwareFunctions()
        {
            menuItemChangePwd.Enabled = Software.IsAutenticated;
            menuItemLogout.Enabled = Software.IsAutenticated;
            menuItemLogin.Enabled = !Software.IsAutenticated;

            btnSetup.Tag = SoftwareFunctions.GENERAL_SETUP;
            btnAlarm.Tag = SoftwareFunctions.GENERAL_ALARM;
            btnRegisterStore.Tag = SoftwareFunctions.GENERAL_REGISTER_STORE;
            btnTempLogger.Tag = SoftwareFunctions.GENERAL_TEMP_METER;
            btnStreamingQuality.Tag = SoftwareFunctions.GENERAL_STREAM_QUALITY;
            btnFwUpdate.Tag = SoftwareFunctions.GENERAL_FIRMWARE_UPDATE;
            btnLutUpdate.Tag = SoftwareFunctions.GENERAL_LUT_UPDATE;
            button4.Tag = SoftwareFunctions.GENERAL_LUT_MANAGEMENT;
            btnPressure.Tag = SoftwareFunctions.GENERAL_PRESSURE_LOG;
            button1.Tag = SoftwareFunctions.GENERAL_PULS_CONFIG;

            btnPassword.Tag = SoftwareFunctions.LAA_PASSWORD;
            btnRegHistory.Tag = SoftwareFunctions.LAA_REGISTER_HISTORY;
            btnQsTool.Tag = SoftwareFunctions.LAA_PARAMETERIZATION;
            button2.Tag = SoftwareFunctions.LAA_PROCESS_PARAMETER;
            button5.Tag = SoftwareFunctions.LAA_MAPPING_NA;

            btnLegacyTestApp.Tag = SoftwareFunctions.DEV_LEGACY_TEST_APP;
            btnFiles.Tag = SoftwareFunctions.DEV_FILE_CONTROL;
            BtnFileSplit.Tag = SoftwareFunctions.DEV_FILE_SPLIT;
            btnLowLevelTools.Tag = SoftwareFunctions.DEV_LOW_LEVEL_TOOLS;
        }

        /// <summary>
        /// Sets a label with error message that says the UI is not available.
        /// </summary>
        private void UINotAvailable()
        {
            Controls.Add(new Label()
            {
                Dock = DockStyle.Fill,
                Text = @"Genesis toolbox is currently not available.",
                TextAlign = ContentAlignment.MiddleCenter,
                Font = new Font(FontFamily.GenericSansSerif, 10, FontStyle.Bold),
                ForeColor = Color.DarkRed,
                Padding = new Padding(15)
            });
        }

        /// <summary>
        /// Shows all UI controls. Sets control enabled or disabled, having tag that is from type SoftwareFunctions.
        /// For DEBUGGING all buttons will be enabled!
        /// </summary>
        private void ShowAvailableSoftwareFunctions()
        {
            foreach (var control in Controls)
            {
                if (control is GroupBox groupBox)
                {
                    foreach (var groupBoxControl in groupBox.Controls)
                    {
                        if (groupBoxControl is Button button)
                        {
                            if (button.Tag is SoftwareFunctions softwareFunction)
                            {
                                // enable all buttons for DEBUGGING, else use access rights of user
                                button.Enabled = Debugger.IsAttached || Software.IsEnabled(softwareFunction);
                            }
                        }
                    }

                    groupBox.Show();
                }
                else if (control is MenuStrip menu)
                {
                    foreach (var item in menu.Items)
                    {
                        if (item is ToolStripMenuItem toolStripMenuItem)
                        {
                            ShowAvailableMenuItems(toolStripMenuItem);
                        }
                    }
                }
            }

            menuItemOptions.Text = Software.UserName;
        }

        private void ShowAvailableMenuItems(ToolStripMenuItem toolStripMenuItem)
        {
            if (toolStripMenuItem is null)
            {
                return;
            }

            if (toolStripMenuItem.Tag is SoftwareFunctions softwareFunction)
            {
                toolStripMenuItem.Visible = Debugger.IsAttached || Software.IsEnabled(softwareFunction);
            }

            var dropdownItems = toolStripMenuItem.DropDownItems;

            if (dropdownItems.Count > 0)
            {
                foreach (var item in dropdownItems)
                {
                    if (item is ToolStripMenuItem _toolStripMenuItem)
                    {
                        ShowAvailableMenuItems(_toolStripMenuItem);
                    }
                }
            }
        }

        /// <summary>
        /// Hides all members but the login form if the app is initialized otherwise shows error message. 
        /// In case that the app is initialized and user is authorized shows all buttons as enabled or disabled depending on the user permissions.
        /// </summary>
        private void InitializeFormState(RegisterLDAPUser registerForm = null)
        {
            if (registerForm != null)
            {
                Software.Initialize();

                Controls.Remove(registerForm);
            }

            HideContent();

            if (Software.IsRegistrationPending)
            {
                registerForm = new RegisterLDAPUser(InitializeFormState);
                registerForm.OnCancellation += OnControlCancellation;

                mainMenu.Hide();
                Controls.Add(registerForm);
            }
            else
            {
                mainMenu.Show();
                SetSoftwareFunctions();
                ShowAvailableSoftwareFunctions();
            }
        }

        private void OnLogoutClick(Object sender, EventArgs e)
        {
            Software.Logout();

            InitializeFormState();
        }

        private void OnLoginClick(Object sender, EventArgs args)
        {
            HideContent();

            var hasLoginForm = false;

            foreach (var control in Controls)
            {
                if (control is LoginForm)
                {
                    hasLoginForm = true;

                    break;
                }
            }

            if (!hasLoginForm)
            {
                var loginForm = new LoginForm(OnControlCancellation);

                Controls.Add(loginForm);
            }
        }

        private void OnChangePasswordClick(Object _, EventArgs _1)
        {
            HideContent();

            var control = new ChangePassword(OnControlCancellation);

            Controls.Add(control);
        }

        private void OnControlCancellation(Control control)
        {
            if (control != null)
            {
                HideContent();

                // Software.Initialize();
            }

            InitializeFormState();
        }

        #endregion Form initialization

        private void btnQsTool_Click(Object sender, EventArgs e)
        {
            var form = new FrmQsTool();
            form.Show();
            form.Closed += Form_Closed;
            Hide();
        }
    }
}