#region License Information (GPL v3)

/*
    ShareX - A program that allows you to take screenshots and share any file type
    Copyright (c) 2007-2017 ShareX Team

    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License
    as published by the Free Software Foundation; either version 2
    of the License, or (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

    Optionally you can also view the license at <http://www.gnu.org/licenses/>.
*/

#endregion License Information (GPL v3)

using Newtonsoft.Json;
using System;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Text;
using System.Windows.Forms;

namespace ShareX.Chrome
{
    internal class Program
    {
        private static void Main(string[] args)
        {
            try
            {
                Run();
            }
            catch (Exception e)
            {
                MessageBox.Show(e.ToString(), "ShareX Chrome - Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private static void Run()
        {
            string input = GetInput();

            if (!string.IsNullOrEmpty(input))
            {
                ChromeInput chromeInput = JsonConvert.DeserializeObject<ChromeInput>(input);

                if (chromeInput != null)
                {
                    string argument = null;

                    if (!string.IsNullOrEmpty(chromeInput.URL))
                    {
                        argument = EscapeText(chromeInput.URL);
                    }
                    else if (!string.IsNullOrEmpty(chromeInput.Text))
                    {
                        string filepath = GetTempPath("txt");
                        File.WriteAllText(filepath, chromeInput.Text, Encoding.UTF8);
                        argument = EscapeText(filepath);
                    }

                    if (!string.IsNullOrEmpty(argument))
                    {
                        string path = GetAbsolutePath("ShareX.exe");
                        Process.Start(path, argument);
                    }
                }
            }
        }

        private static string GetInput()
        {
            Stream inputStream = Console.OpenStandardInput();

            byte[] bytesLength = new byte[4];
            inputStream.Read(bytesLength, 0, bytesLength.Length);
            int inputLength = BitConverter.ToInt32(bytesLength, 0);

            byte[] bytesInput = new byte[inputLength];
            inputStream.Read(bytesInput, 0, bytesInput.Length);
            return Encoding.UTF8.GetString(bytesInput);
        }

        private static string EscapeText(string text)
        {
            return string.Format("\"{0}\"", text.Replace("\\", "\\\\").Replace("\"", "\\\""));
        }

        public static string GetAbsolutePath(string path)
        {
            if (!Path.IsPathRooted(path)) // Is relative path?
            {
                string startupDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
                path = Path.Combine(startupDirectory, path);
            }

            return Path.GetFullPath(path);
        }

        public static string GetTempPath(string extension)
        {
            string path = Path.GetTempFileName();
            return Path.ChangeExtension(path, extension);
        }
    }
}