using PWAPPv2.Source;
using PWAPPv2.Source.Attachments;
using PWAPPv2.Source.Database;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Text.Json;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Forms;

/**
 * TODO:
 * * ADD API SUPPORT
 */

namespace PWAPPv2
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        static Source.APIConfig apiconfig;//  = new Source.APIConfig();
        static Source.Database.DatabaseConfig DataConfig;

        static Source.API.APIConnection apiConnection;
        Source.DataObjects.APICredentials apiCreds;

        Source.API.PWApiConnection pwapiConnection;

        Source.DataObjects.ComboBoxData TypeBox;
        Source.DataObjects.ComboBoxData ToBox;
        Source.DataObjects.ComboBoxData FromBox;

        Source.Config.Configuration practiceConfig;
        Source.Config.Configuration universalConfig;


        string[] args;

        Source.Patient patient;

        List<Source.DataObjects.Attachment> attachments;

        List<string> SupportedImageTypes = new List<string>();


        //string ConfigPath = "C:\\PWAPP\\Config\\Config.xml";

        string ConfigPath;

        FileHandler fileHandler;

        public MainWindow()
        {
            SupportedImageTypes.Clear();
            SupportedImageTypes.Add(".jpeg");
            SupportedImageTypes.Add(".jpg");
            SupportedImageTypes.Add(".png");


            try
            {
                args = App.Args;
            }
            catch (Exception)
            { }
            ConfigPath = "C:\\PWAPP\\Config\\";
            try
            {
                practiceConfig = new Source.Config.Configuration("C:\\PWAPP\\Config\\PracticeConfig.xml");
                universalConfig = new Source.Config.Configuration("C:\\PWAPP\\App\\Config\\UniversalConfig.xml");
            }
            catch
            (Exception ex)
            {
                System.Windows.MessageBox.Show("An error has occured in the configurations files.\n(" + ex.Message + ")");
            }

            pwapiConnection = new Source.API.PWApiConnection(practiceConfig, universalConfig);

            try
            {
                /*if (pwapiConnection.CheckForUpdate() == true)
                {
                    string message = "An update is available! Would you like to install it?";
                    string title = "Update available!";
                    MessageBoxButtons buttons = MessageBoxButtons.YesNo;
                    DialogResult result = System.Windows.Forms.MessageBox.Show(message, title, buttons);
                    if (result == System.Windows.Forms.DialogResult.Yes)
                    {
                        //System.Windows.MessageBox.Show("HAHA NO UPDATE FOR YOU!");
                        Process p = new Process();
                        p.StartInfo.FileName = "C:\\PWAPP\\Updater\\PWAppUpdaterForm.exe";
                        p.StartInfo.WindowStyle = ProcessWindowStyle.Maximized;
                        p.StartInfo.UseShellExecute = false;
                        p.StartInfo.RedirectStandardOutput = true;
                        p.StartInfo.RedirectStandardError = true;
                        try
                        {
                            p.StartInfo.Arguments = args[0];
                        }
                        catch { }
                        if (System.Environment.OSVersion.Version.Major >= 6)
                        {
                            p.StartInfo.Verb = "runas";
                        }
                        p.Start();
                        Environment.Exit(0);
                    }
                }*/

                pwapiConnection.Update(args);
            }
            catch (Exception)
            {
                System.Windows.MessageBox.Show("An error has occured while checking for updates");
            }

            try
            {
                attachments = new List<Source.DataObjects.Attachment>();

                Source.Database.DatabaseConnection dbcon = new Source.Database.DatabaseConnection(practiceConfig);

                apiconfig = new Source.APIConfig(practiceConfig, universalConfig);
                apiCreds = new Source.DataObjects.APICredentials(apiconfig);
                apiConnection = new Source.API.APIConnection(universalConfig.Get("PWBaseURI"), apiCreds);

                fileHandler = new FileHandler(apiCreds);

                InitializeComponent();

                PopulateComboBoxes();

                //patient = new Source.Patient();

                //patient.BuildFromDatabase(dbcon, args[0]);

                patient = Patient.GetPatient(dbcon, args[0]);

                this.DataContext = new Source.PatientGUIAdapter(patient);
            }
            catch (NullReferenceException)
            {

            }
            catch (CouldNotOpenConnectionException)
            {
                System.Windows.MessageBox.Show("An problem occurred trying to connect to the OpenDental database.\nThe program will now exit.");
                Environment.Exit(-1);
            }
            catch (Exception e)
            {
                System.Windows.MessageBox.Show("An unknow error has occurred.\n" + e.Message);
                System.Environment.Exit(-1);
            }
        }

        private void PopulateComboBoxes()
        {
            PopulateReferTypesBox();
            PopulateReferToBox();
            PopulateReferFromBox();
        }

        private void PopulateReferTypesBox()
        {
            //string ReferTypeString = apiConnection.SendPostRequestAsync("api/PWReferralTypes");
            string ReferTypeString = pwapiConnection.GetReferalTypes();
            TypeBox = new Source.DataObjects.ReferralTypeBox(boxReferType, ReferTypeString);

        }

        private void PopulateReferToBox()
        {
            string ReferToString = pwapiConnection.GetReferTo(); //apiConnection.SendPostRequestAsync("api/PWReferTo");
            ToBox = new Source.DataObjects.ReferToBox(boxReferTo, ReferToString);
        }

        private void PopulateReferFromBox()
        {
            string ReferFromString = pwapiConnection.GetReferFrom(); //apiConnection.SendPostRequestAsync("api/PWReferFrom");
            FromBox = new Source.DataObjects.ReferFromBox(boxReferFrom, ReferFromString);
        }

        private void RichTextBox_TextChanged(object sender, TextChangedEventArgs e)
        {

        }

        private void DataGrid_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {

        }

        private void CheckBox_Checked(object sender, RoutedEventArgs e)
        {

        }

        private void boxReferType_SelectionChanged(object sender, SelectionChangedEventArgs e)
        {
            try
            {
                TypeBox.GetSelectedID();
            }
            catch (Source.DataObjects.ReferralTypeDefaultException)
            {

            }
            catch (Source.DataObjects.InvalidReferralTypeException)
            {

            }
            catch (NullReferenceException)
            {

            }
        }

        //Cancel button
        private void Button_Click(object sender, RoutedEventArgs e)
        {
            this.Close();
        }

        //OK Button
        private void Button_Click_1(object sender, RoutedEventArgs e)
        {
            Source.DataObjects.Referral referral;

            if (fileHandler.Attachments.Count == 0)
            {
                referral = new Source.DataObjects.Referral(apiCreds, patient,
                    (Source.DataObjects.ReferralTypeBox)TypeBox,
                    (Source.DataObjects.ReferToBox)ToBox,
                    (Source.DataObjects.ReferFromBox)FromBox,
                    fieldRemakrs, contact, false);
            }
            else
            {
                referral = new Source.DataObjects.Referral(apiCreds, patient,
                    (Source.DataObjects.ReferralTypeBox)TypeBox,
                    (Source.DataObjects.ReferToBox)ToBox,
                    (Source.DataObjects.ReferFromBox)FromBox,
                    fieldRemakrs, contact, true);
            }


            try
            {
                string referralString = referral.ToJsonString();
                string result = pwapiConnection.SendReferral(referralString);

                fileHandler.SendFilesAsAttachments(apiConnection, result);

                System.Windows.MessageBox.Show("Referral added successfully!");

                this.Close();
            }
            catch (Source.DataObjects.Referral.InvalidReferalDataException)
            {

            }
        }

        //AddImage Button
        private void Button_Click_2(object sender, RoutedEventArgs e)
        {
            /*//System.Windows.Forms.OpenFileDialog openFileDialog = new System.Windows.Forms.OpenFileDialog();
            //openFileDialog.Multiselect = true;
            //openFileDialog.Filter = "Attachment files (*.jpg,*.jpeg,*.pdf,*.png)|*.jpg;*.jpeg;*.pdf;*.png;";
            //openFileDialog.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyPictures);

            //if (openFileDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            //{
            //    foreach (string filename in openFileDialog.FileNames)
            //    {
            //        //if (Path.GetExtension(filename) == ".jpg" || Path.GetExtension(filename) == ".jpeg")
            //        if(SupportedImageTypes.Contains(Path.GetExtension(filename)))
            //        {
            //            try
            //            {
            //                attachments.Add(new Source.DataObjects.Attachment(apiCreds, new Source.DataObjects.PWImage(filename)));
            //            }
            //            catch (NullReferenceException)
            //            {

            //                attachments = new List<Source.DataObjects.Attachment>
            //                {
            //                    new Source.DataObjects.Attachment(apiCreds, new Source.DataObjects.PWImage(filename))
            //                };
            //            }
            //        }
            //        if (Path.GetExtension(filename) == ".pdf")
            //        {
            //            try
            //            {
            //                attachments.Add(new Source.DataObjects.Attachment(apiCreds, new Source.DataObjects.PWPdf(filename)));
            //            }
            //            catch (NullReferenceException)
            //            {
            //                attachments = new List<Source.DataObjects.Attachment>()
            //                {
            //                    new Source.DataObjects.Attachment(apiCreds, new Source.DataObjects.PWPdf(filename))
            //                };
            //            }
            //        }
            //    }

            //}*/

            fileHandler.AddFile();

            try
            {
                ImageList.Items.Clear();

                foreach (var attachment in fileHandler.Attachments)
                {
                    if (attachment.pdf != null)
                    {
                        ImageList.Items.Add(CreateImageGridItem(new Source.DataObjects.PWImage("C:\\PWAPP\\App\\App\\pdf.jpg"), attachment.pdf.path));
                    }
                    else
                    {
                        ImageList.Items.Add(CreateImageGridItem(attachment.image));
                    }
                }
            }
            catch (NullReferenceException)
            { }

        }

        private void Button_Click_3(object sender, RoutedEventArgs e)
        {
            int index = ImageList.SelectedIndex;
            if (index == -1)
            {
                return;
            }

            attachments.RemoveAt(index);
            try
            {
                ImageList.Items.Clear();

                foreach (var attachment in fileHandler.Attachments)
                {
                    if (attachment.pdf != null)
                    {
                        ImageList.Items.Add(CreateImageGridItem(new Source.DataObjects.PWImage("C:\\PWAPP\\App\\App\\pdf.jpg"), attachment.pdf.path));
                    }
                    else
                    {
                        ImageList.Items.Add(CreateImageGridItem(attachment.image));
                    }
                }
            }
            catch (NullReferenceException)
            { }
        }

        public Grid CreateImageGridItem(Source.DataObjects.PWImage image)
        {
            Grid imageGrid = new Grid();
            imageGrid.Width = 477;
            imageGrid.HorizontalAlignment = System.Windows.HorizontalAlignment.Left;
            imageGrid.VerticalAlignment = VerticalAlignment.Top;
            imageGrid.ShowGridLines = true;

            ColumnDefinition imageColumn = new ColumnDefinition();
            imageColumn.Width = new GridLength(50);
            ColumnDefinition textColumn = new ColumnDefinition();
            textColumn.Width = new GridLength(427);

            imageGrid.ColumnDefinitions.Add(imageColumn);
            imageGrid.ColumnDefinitions.Add(textColumn);

            Image addedImage = new Image();
            addedImage.Source = image.GetBitmapImage();

            TextBlock text = new TextBlock();
            text.Text = image.GetPath();
            text.FontSize = 12;


            Grid.SetColumn(addedImage, 0);
            Grid.SetColumn(text, 1);

            imageGrid.Children.Add(addedImage);
            imageGrid.Children.Add(text);
            return imageGrid;

        }

        public Grid CreateImageGridItem(Source.DataObjects.PWImage image, string path)
        {
            Grid imageGrid = new Grid();
            imageGrid.Width = 477;
            imageGrid.HorizontalAlignment = System.Windows.HorizontalAlignment.Left;
            imageGrid.VerticalAlignment = VerticalAlignment.Top;
            imageGrid.ShowGridLines = true;

            ColumnDefinition imageColumn = new ColumnDefinition();
            imageColumn.Width = new GridLength(50);
            ColumnDefinition textColumn = new ColumnDefinition();
            textColumn.Width = new GridLength(427);

            imageGrid.ColumnDefinitions.Add(imageColumn);
            imageGrid.ColumnDefinitions.Add(textColumn);

            Image addedImage = new Image();
            addedImage.Source = image.GetBitmapImage();

            TextBlock text = new TextBlock();
            text.Text = path;
            text.FontSize = 12;


            Grid.SetColumn(addedImage, 0);
            Grid.SetColumn(text, 1);

            imageGrid.Children.Add(addedImage);
            imageGrid.Children.Add(text);
            return imageGrid;

        }
    }
}