// <copyright file="Minifier.cs" company="s-online.co.il">
//   Copyright (c) Shay Jacoby - www.s-online.co.il. All rights reserved.
// </copyright>
// <summary>
//   JavaScript + Css Minifier
// </summary>
namespace ShopEngine.Tools
{
    #region Using directives

    using System;
    using System.IO;
    using Yahoo.Yui.Compressor;

    #endregion

    /// <summary>
    /// Js + Css Minifier, Assembly taken from:
    /// http://yuicompressor.codeplex.com/
    /// </summary>
    public static class Minifier
    {
        #region Constants

        /// <summary>
        /// Debug file
        /// </summary>
        private const string Debug = "debug";

        /// <summary>
        /// Minified file
        /// </summary>
        private const string Min = "min";

        #endregion Constants

        /// <summary>
        /// Main method.
        /// </summary>
        /// <param name="args">The arguments.</param>
        public static void Main(string[] args)
        {
            if (args.Length == 0)
            {
                Console.WriteLine("invalid arguments, no path was specified.");
                return;
            }

            var di = new DirectoryInfo(args[0]);
            var files = di.GetFiles(string.Format("*.{0}.js", Debug), SearchOption.AllDirectories);
            var i = 0;
            foreach (var fi in files)
            {
                i++;
                string src = fi.FullName.ToLower();
                string srcText = File.ReadAllText(src);
                string dst = src.Replace(Debug, Min);
 
                string dstText = !string.IsNullOrEmpty(srcText) ? JavaScriptCompressor.Compress(srcText, false) : string.Empty;

                using (var streamWriter = new StreamWriter(dst))
                {
                    streamWriter.Write(dstText);
                }
            }

            Console.WriteLine("{0} Js Files minified.", i);

            // Check for Css folder
            if (args.Length > 1)
            {
                di = new DirectoryInfo(args[1]);
                files = di.GetFiles(string.Format("*.{0}.css", Debug), SearchOption.AllDirectories);
                i = 0;
                foreach (var fi in files)
                {
                    i++;
                    string src = fi.FullName.ToLower();
                    string srcText = File.ReadAllText(src);
                    string dst = src.Replace(Debug, Min);

                    string dstText = !string.IsNullOrEmpty(srcText) ? CssCompressor.Compress(srcText) : string.Empty;
                    using (var streamWriter = new StreamWriter(dst))
                    {
                        streamWriter.Write(dstText);
                    }
                }

                Console.WriteLine("{0} Css Files minified.", i);
            }
        }
    }
}