using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Linq;
using DllEapEntity;

namespace ZipFileHelper
{
    /// <summary>
    /// 解压KS文件
    /// </summary>
    public class UnCompressForKs
    {
        public static List<FileSystemInfo> UnCompress(string rarpath,string filepath,string filename,string desdir,ref string errorinfo)
        {
            try
            {
                desdir += "\\" + filename;
                if (Directory.Exists(desdir))
                {
                    Directory.Delete(desdir, true);//删除文件夹
                }
                Directory.CreateDirectory(desdir);//创建目录
                RarOperate rar = new RarOperate();
                UnCompressResults result = rar.unCompressRAR(rarpath,filepath, desdir, "", ref errorinfo);
                if (result != UnCompressResults.Success)
                {
                    return null;
                }
                DirectoryInfo dir = new DirectoryInfo(desdir);
                FileSystemInfo[] fileinfo = dir.GetFileSystemInfos();  //返回目录中所有文件和子目录
                if (fileinfo.Length <= 0)
                {
                    errorinfo = "未找到解压后的文件。";
                    return null;
                }
                //继续解压
                result = rar.unCompressRAR(rarpath, fileinfo[0].FullName, desdir, "", ref errorinfo);
                if (result != UnCompressResults.Success)
                {
                    return null;
                }
                fileinfo[0].Delete();//删除一级压缩文件
                fileinfo = dir.GetFileSystemInfos();  //返回目录中所有文件和子目录
                if (fileinfo.Length <= 0)
                {
                    errorinfo = "未找到解压后的文件。";
                    return null;
                }
                return fileinfo.ToList();
            }
            catch(Exception ex)
            {
                errorinfo = ex.Message.ToString();
                return null;
            }
        }
        public static Dictionary<string,string> GetParams(string rarpath, string filepath, string filename, string desdir, ref string errorinfo)
        {
            try
            {
                List<FileSystemInfo> files = UnCompress(rarpath, filepath, filename, desdir, ref errorinfo);
                if (files == null)
                    return null;
                List<FileSystemInfo> prm = files.Where(t => t.Extension.ToLower() == ".prm").OrderBy(t => t.FullName).ToList();
                if (prm.Count <= 0)
                    return null;
                //解析第一个文件
                List<string> filesdata = ReadFile(prm[0].FullName, ref errorinfo);
                //去掉前2行
                filesdata.Remove(filesdata[0]);
                filesdata.Remove(filesdata[0]);
                Dictionary<string, string> val = new Dictionary<string, string>();
                foreach(var item in filesdata)
                {
                    GetValue(val, item);
                }
                return val;
            }
            catch(Exception ex)
            {
                errorinfo = ex.Message.ToString();
                return null;
            }
        }
        public static List<FileParams> GetParamsFor(string rarpath, string filepath, string filename, string desdir,int modelid, ref string errorinfo)
        {
            try
            {
                List<FileSystemInfo> files = UnCompress(rarpath, filepath, filename, desdir, ref errorinfo);
                if (files == null)
                    return null;
                List<FileSystemInfo> prm = files.Where(t => t.Extension.ToLower() == ".prm").OrderBy(t => t.FullName).ToList();
                if (prm.Count <= 0)
                    return null;
                //解析第一个文件
                List<string> filesdata = ReadFile(prm[0].FullName, ref errorinfo);
                //去掉前2行
                filesdata.Remove(filesdata[0]);
                filesdata.Remove(filesdata[0]);
                List<FileParams> val = new List<FileParams>();
                foreach (var item in filesdata)
                {
                    GetValue(val, item,modelid);
                }
                return val;
            }
            catch (Exception ex)
            {
                errorinfo = ex.Message.ToString();
                return null;
            }
        }
        public static List<string> ReadFile(string filepath,ref string errorinfo)
        {
            try
            {
                //将文件读取到链表
                StreamReader sr = new StreamReader(filepath, System.Text.Encoding.UTF8);
                List<string> files = new List<string>();
                string tempstr = sr.ReadLine();
                while (tempstr != null)
                {
                    if(tempstr.Contains("="))
                        files.Add(tempstr);
                    tempstr = sr.ReadLine();
                }
                sr.Close();
                return files;
            }
            catch(Exception ex)
            {
                errorinfo = ex.Message.ToString();
                return null;
            }
        }
        public static void GetValue(List<FileParams> dic, string val,int modelid)
        {
            string[] strs = val.Split('=');
            string keys = strs[0].Trim();
            strs = strs[1].Trim().Split(' ');
            string tempval = strs[0];
            FileParams temp = new FileParams();
            temp.FName = keys;
            temp.FVal = tempval;
            temp.ModelID = modelid;
            temp.ID = 0;
            dic.Add(temp);
        }
        public static void GetValue(Dictionary<string,string> dic,string val)
        {
            string[] strs = val.Split('=');
            string keys = strs[0].Trim();
            strs = strs[1].Trim().Split(' ');
            string tempval = strs[0];
            dic.Add(keys, tempval);
        }
    }
}