using Support.Controllers;
using Support.Crypto;
using Support.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Support.Controls
{
    public partial class Dashboard : UserControl
    {
        private Main _MainForm = null;
        private bool IsRunning = false;
        private Thread Updater = null;
        private Appsettings Appsettings = null;
        private Controllers.DashboardController DashboardController = null;
        private delegate void UpdateOnMainThreadDelegate(DashboardViewModel dashboard);
        private delegate void UpdateServiceInsideStatusOnMainThreadDelegate(Models.Version serviceInside);
        private delegate void UpdateServiceOutsideStatusOnMainThreadDelegate(Models.Version serviceOutside);

        public Dashboard(Appsettings appsettings, Main mainForm)
        {
            InitializeComponent();

            this._MainForm = mainForm;
            this.Appsettings = appsettings;
            string connString = appsettings.DatabaseConnectionString;

            string decryptedConnectioString = AES.Decrypt(connString);

            if(!string.IsNullOrEmpty(decryptedConnectioString))
            {
                connString = decryptedConnectioString;
            }

            this.DashboardController = new Controllers.DashboardController(new Database(connString));

            this.Start();
        }

        public void Start()
        {
            if(this.Updater != null)
            {
                this.Updater.Abort();
                this.Updater = null;
            }

            this.Updater = new Thread(this.Update);
            this.Updater.Start();
        }

        public void Stop()
        {
            this.IsRunning = false;
            
            if(this.Updater != null)
            {
                this.Updater.Abort();
            }
        }

        public void UpdateServiceInsideStatus()
        {
            new Thread(() => {
                Models.Version serviceInside = Https.GetVersion(this.Appsettings.ServiceInsideURL);
                this.UpdateServiceInsideStatusOnMainThread(serviceInside);
            }).Start();
        }

        public void UpdateServiceOutsideStatus()
        {
            new Thread(() => {
                Models.Version serviceOutside = Https.GetVersion(this.Appsettings.ServiceOutsideURL);
                this.UpdateServiceOutsideStatusOnMainThread(serviceOutside);
            }).Start();
        }

        public void Update()
        {
            try
            {
                this.IsRunning = true;

                while(this.IsRunning)
                {
                    this.UpdateServiceInsideStatus();
                    this.UpdateServiceOutsideStatus();

                    DashboardViewModel dashboard = this.DashboardController.GetModel(this.Appsettings);
                    this.UpdateOnMainThread(dashboard);

                    Thread.Sleep(60 * 5000);
                }
            }
            catch(ThreadAbortException ex)
            {
                Console.WriteLine(ex.Message);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        public void Refresh()
        {
            this._MainForm.ShowLoading();

            new Thread(() => 
            {
                this.UpdateServiceInsideStatus();
                this.UpdateServiceOutsideStatus();

                DashboardViewModel dashboard = this.DashboardController.GetModel(this.Appsettings);
                this.UpdateOnMainThread(dashboard);

            }).Start();
        }

        private void UpdateOnMainThread(DashboardViewModel dashboard)
        {
            if(this.lblTodayRegistred.InvokeRequired)
            {
                this.lblTodayRegistred.Invoke(new UpdateOnMainThreadDelegate(UpdateOnMainThread), dashboard);
            }
            else
            {
                this.lblTodayRegistred.Text = (dashboard != null ? dashboard.DevicesToday : 0).ToString();
                this.lblDevices.Text = (dashboard != null ? dashboard.Devices : 0).ToString();
                this.lblResults.Text = (dashboard != null ? dashboard.Results : 0).ToString();
                this.lblReadyToDownloads.Text = (dashboard != null ? dashboard.ResultsAvailable : 0).ToString();
                this.lblNotifications.Text = (dashboard != null ? dashboard.ResultsNotified : 0).ToString();
                this.lblDownloads.Text = (dashboard != null ? dashboard.ResultsPickedUp : 0).ToString();
                
                if(dashboard != null && dashboard.Maintenance == 1)
                {
                    this.lblMaintenanceWork.Text = "Aktiv";
                    this.lblMaintenanceWork.ForeColor = Color.Red;
                }
                else
                {
                    this.lblMaintenanceWork.Text = "Inaktiv"; 
                    this.lblMaintenanceWork.ForeColor = Color.Black;
                }

                this.lblHL7.Text = (dashboard != null ? dashboard.ResultsFiles : 0).ToString();
                this.lblEncryptedFiles.Text = (dashboard != null ? dashboard.EncryptedResultsFiles : 0).ToString();
                this.lblAckFiles.Text = (dashboard != null ? dashboard.PendingAcks : 0).ToString();
                this.lblAckCompleted.Text = (dashboard != null ? dashboard.DoneAcks : 0).ToString();

                dtLastResults.DataSource = null;

                if(dashboard != null && dashboard.LastResults != null)
                {
                    dtLastResults.AutoGenerateColumns = false;
                    dtLastResults.DataSource = dashboard.LastResults;
                }

                if (dashboard != null && dashboard.Maintenance == 1)
                {
                    lblMaintenanceWork.Text = "Aktiv";
                    lblMaintenanceWork.ForeColor = Color.Red;
                    lblMaintenanceWorkTitle.BackColor = Color.Red;
                }
                else
                {
                    lblMaintenanceWork.Text = "Inaktiv";
                    lblMaintenanceWork.ForeColor = Color.FromArgb(100, 153, 19, 85);
                    lblMaintenanceWorkTitle.BackColor = Color.FromArgb(100, 238, 238, 238);
                }

                this._MainForm.HideLoading();
            }
        }

        private void UpdateServiceInsideStatusOnMainThread(Models.Version serviceInside)
        {
            if (this.lblServiceInsideStatus.InvokeRequired)
            {
                this.lblServiceInsideStatus.Invoke(new UpdateServiceInsideStatusOnMainThreadDelegate(UpdateServiceInsideStatusOnMainThread), serviceInside);
            }
            else
            {
                if (serviceInside != null && !string.IsNullOrEmpty(serviceInside.version))
                {
                    lblServiceInside.Text = serviceInside.version;
                    lblServiceInsideStatus.BackColor = Color.Green;
                }
                else
                {
                    lblServiceInside.Text = "Offline";
                    lblServiceInsideStatus.BackColor = Color.Red;
                }
            }
        }

        private void UpdateServiceOutsideStatusOnMainThread(Models.Version serviceOutside)
        {
            if (this.lblServiceOutsideStatus.InvokeRequired)
            {
                this.lblServiceOutsideStatus.Invoke(new UpdateServiceOutsideStatusOnMainThreadDelegate(UpdateServiceOutsideStatusOnMainThread), serviceOutside);
            }
            else
            {
                if (serviceOutside != null && !string.IsNullOrEmpty(serviceOutside.version))
                {
                    lblServiceOutside.Text = serviceOutside.version;
                    lblServiceOutsideStatus.BackColor = Color.Green;
                }
                else
                {
                    lblServiceOutside.Text = "Offline";
                    lblServiceOutsideStatus.BackColor = Color.Red;
                }
            }
        }
    }
}