using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
using System.IO;

namespace DoorFan.Windows
{
    /// <summary>
    /// Interaction logic for EULA.xaml
    /// </summary>
    public partial class EULA : Window
    {
        public EULA()
        {
            InitializeComponent();
            string titleText = App.AppTitleFull; //translated and with full version and admin if necessary
            this.EULATitleText.Text = titleText;

            FlowDocument flowDocument = new FlowDocument();
            FileStream fileStream;
            string ToStartMenuPath = "";
            string EULAPath ="";
            bool fileOpened = false;
            bool textLoaded = false;

            try
            {
                // load DoorFan5\ToStartMenu\Release_Notes.txt into the viewer
                ToStartMenuPath = System.IO.Path.Combine(System.AppDomain.CurrentDomain.BaseDirectory, "ToStartMenu");
                EULAPath = System.IO.Path.Combine(ToStartMenuPath, "EULA-" + LocalizationCode.LocalizationManager.CurrentCulture.TwoLetterISOLanguageName + ".rtf");
                if (!File.Exists(EULAPath))
                {
                    EULAPath = System.IO.Path.Combine(ToStartMenuPath, "EULA-en.rtf");
                }

                fileStream = File.Open(EULAPath, FileMode.Open, FileAccess.Read, FileShare.Read);
                fileOpened = true;

                TextRange textRange = new TextRange(flowDocument.ContentStart, flowDocument.ContentEnd);
                textRange.Load(fileStream, DataFormats.Rtf);
                textLoaded = true;
            }
            catch (Exception ex)
            {
                App.Log.ReportCaughtError("EULAWindowCreate", "problem getting EULA file: " + EULAPath + " from start menu path: " + ToStartMenuPath, ex);
            }


            if (!(fileOpened && textLoaded))
            {
                Paragraph paragraph = new Paragraph();
                paragraph.Inlines.Add("Unable to read text of End User License Agreement - Retrotec Inc. provides no warranty, explicit or implied, and assumes no liability for the use of this software");
                flowDocument = new FlowDocument(paragraph);
            }

            EULAViewer.Document = flowDocument;

            if (!(App.Settings.EULAAgreedTo == null || App.Settings.EULAAgreedTo < App.Settings.EULACurrent))
            {
                this.hideAcceptButtons();
            }
       }

        private void hideAcceptButtons()
        {
            this.AgreeButton.Visibility = System.Windows.Visibility.Hidden;
            this.CancelButton.Visibility = System.Windows.Visibility.Hidden;
            DateTime EULADate = App.Settings.EULAAgreedTo;
            string EULAstring = EULADate.Year.ToString() + "-" + EULADate.Month.ToString() + "-"+ EULADate.Day.ToString();
            AcceptedDateTextBlock.Text = App.Translate("AcceptedDate") + " " + EULAstring;
        }

        private void AgreeButton_Click(object sender, RoutedEventArgs e)
        {
            if (App.Settings.EULAAgreedTo == null || App.Settings.EULAAgreedTo < App.Settings.EULACurrent)
            {
                App.Settings.EULAAgreedTo = DateTime.Now;
                App.Settings.Save();
            }
            this.DialogResult = true;
            this.Close();
        }

        private void CancelButton_Click(object sender, RoutedEventArgs e)
        {
            this.Close();
        }
    }
}


//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//xaml code follows:

<Window x:Class="DoorFan.Windows.EULA"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="{Localize AboutFantestic}" Height="500" Width="800">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="30"/>
            <RowDefinition Height="30"/>
            <RowDefinition Height="30"/>
            <RowDefinition Height="*"/>
            <RowDefinition Height="30"/>
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition/>
        </Grid.ColumnDefinitions>
        
        <TextBlock Name="EULATitleText" Grid.Row="0" Style="{StaticResource LargeHeaderTB}" Text="Retrotec FanTestic" HorizontalAlignment="Center"/>
        <TextBlock Grid.Row="1" Style="{StaticResource MediumHeaderTB}" Text="Copyright @ 2010, all rights reserved Retrotec Inc." HorizontalAlignment="Center" VerticalAlignment="Center"/>

        <TextBlock Grid.Row="2" Style="{StaticResource MediumHeaderTB}" Text="{Localize AgreeExplanation}" HorizontalAlignment="Center" VerticalAlignment="Bottom"/>

        <FlowDocumentReader  Grid.Row="3" Name="EULAViewer" ViewingMode="Scroll" />

        <StackPanel Grid.Row="4" Orientation="Horizontal" HorizontalAlignment="Right" >
            <TextBlock Name="AcceptedDateTextBlock" Style="{StaticResource MediumHeaderTB}" Text="{Localize AgreeExplanation}" Margin="4" />
            <Separator Width="20" Visibility="Hidden" />
            <Button Name="AgreeButton" Content="{Localize Accept}" Click="AgreeButton_Click" Width="100" Margin="4"/>
            <Separator Width="20" Visibility="Hidden" />
            <Button Name="CancelButton" Content="{Localize Cancel}" Click="CancelButton_Click"  Width="100" Margin="4"/>
            
        </StackPanel>
    </Grid>
</Window>

//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// accessing code follows:

        private void HelpMenu_EULA_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                Windows.EULA EULAWindow = new Windows.EULA();
                EULAWindow.ShowDialog();
            }
            catch (Exception ex)
            {
                App.Log.ReportCaughtError("MainWindow.HelpMenu_EULA_Click()", "unable to show EULA window", ex);
            }

        }