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

namespace WMS.Util
{
    /// <summary>
    /// 描 述：js,css,文件压缩和下载
    /// </summary>
    public class JsCssUtil
    {
        private static JavaScriptCompressor javaScriptCompressor = new JavaScriptCompressor();
        private static CssCompressor cssCompressor = new CssCompressor();

        /// <summary>
        /// 读取js文件内容并压缩
        /// </summary>
        /// <param name="filePathlist"></param>
        /// <returns></returns>
        public static string ReadJSFile(string[] filePathlist, bool IsJsCompressor)
        {
            StringBuilder jsStr = new StringBuilder();
            try
            {
				string rootPath = ConfigHelper.GetValue<string>("baseDir");//+ "/wwwroot";
				foreach (var filePath in filePathlist)
                {
                    string path = rootPath + filePath;
                    if (File.Exists(path))
                    {
                        string content = File.ReadAllText(path, Encoding.UTF8);
                        if (IsJsCompressor)
                        {
                            content = javaScriptCompressor.Compress(content);
                        }
                        jsStr.Append(content);
                    }
                }
                return jsStr.ToString();
            }
            catch
            {
                return "";
            }
        }

        /// <summary>
        /// 读取css 文件内容并压缩
        /// </summary>
        /// <param name="filePathlist"></param>
        /// <returns></returns>
        public static string ReadCssFile(string[] filePathlist, bool IsCssCompressor)
        {
            StringBuilder cssStr = new StringBuilder();
            try
            {
				string rootPath = ConfigHelper.GetValue<string>("baseDir");//+ "/wwwroot";
				foreach (var filePath in filePathlist)
                {
                    string path = rootPath + filePath;
                    if (File.Exists(path))
                    {
                        string content = File.ReadAllText(path, Encoding.UTF8);
                        if (IsCssCompressor)
                        {
                            content = cssCompressor.Compress(content);
                        }
                        cssStr.Append(content);
                    }
                }
                return cssStr.ToString();
            }
            catch
            {
                return cssStr.ToString();
            }
        }
    }
}