using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using Tango.Core.Commands;
using Tango.SharedUI;

namespace Tango.ILMerge.UI
{
    public class MainWindowVM : ViewModel
    {
        private String _appPath = AppDomain.CurrentDomain.BaseDirectory;
        private String _ilMergePath = AppDomain.CurrentDomain.BaseDirectory + "\\ILMerge.exe";

        private String _output;

        public String Output
        {
            get { return _output; }
            set { _output = value; RaisePropertyChangedAuto(); }
        }

        private String _main;

        public String Main
        {
            get { return _main; }
            set { _main = value; RaisePropertyChangedAuto(); }
        }

        private ObservableCollection<String> _assemblies;

        public ObservableCollection<String> Assemblies
        {
            get { return _assemblies; }
            set { _assemblies = value; RaisePropertyChangedAuto(); }
        }

        public RelayCommand BrowseOutputCommand { get; set; }

        public RelayCommand BrowseMainCommand { get; set; }

        public RelayCommand AddAssemblyCommand { get; set; }

        public RelayCommand MergeCommand { get; set; }

        public MainWindowVM()
        {
            Assemblies = new ObservableCollection<string>();

            BrowseOutputCommand = new RelayCommand(BrowseOutput);
            BrowseMainCommand = new RelayCommand(BrowseMain);
            AddAssemblyCommand = new RelayCommand(AddAssembly);
            MergeCommand = new RelayCommand(Merge);
        }

        private void Merge()
        {
            String args = "/target:winexe ";
            args += String.Format("/out:\"{0}\" ", Output);

            args += String.Format("\"{0}\" ", Main);

            foreach (var file in Assemblies)
            {
                args += String.Format("\"{0}\" ", file);
            }

            args += "/allowDup";

            Process cmd = new Process();
            cmd.StartInfo.FileName = _ilMergePath;
            cmd.StartInfo.Arguments = args;
            cmd.StartInfo.UseShellExecute = false;
            cmd.StartInfo.RedirectStandardError = true;
            cmd.StartInfo.RedirectStandardOutput = true;
            cmd.Start();
            cmd.WaitForExit();

            MessageBox.Show(cmd.StandardOutput.ReadToEnd());
            MessageBox.Show(cmd.StandardError.ReadToEnd());
        }

        private void AddAssembly()
        {
            OpenFileDialog dlg = new OpenFileDialog();
            dlg.Multiselect = true;
            dlg.Filter = "Assembly|*.dll";
            if (dlg.ShowDialog().Value)
            {
                foreach (var file in dlg.FileNames)
                {
                    Assemblies.Add(file);
                }
            }
        }

        private void BrowseMain()
        {
            OpenFileDialog dlg = new OpenFileDialog();
            dlg.Filter = "Executable|*.exe";
            if (dlg.ShowDialog().Value)
            {
                Main = dlg.FileName;
            }
        }

        private void BrowseOutput()
        {
            SaveFileDialog dlg = new SaveFileDialog();
            dlg.Filter = "Executable|*.exe";
            if (dlg.ShowDialog().Value)
            {
                Output = dlg.FileName;
            }
        }
    }
}