using Newtonsoft.Json;
using Newtonsoft.Json.Converters;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Web;

namespace VRS.Handler
{
    public class BaseHandler
    {
        protected string GetResult(bool _state)
        {
            return JsonConvert.SerializeObject(new Result(_state, _state ? "success" : "fail"));
        }

        protected string GetResult(bool _state, object _data)
        {
            var iso = new IsoDateTimeConverter();
            iso.DateTimeFormat = "yyyy-MM-dd HH:mm:ss";
            return JsonConvert.SerializeObject(new Result(_state, _data), iso);
        }

        protected string GetResult(bool _state, object _data, string _message)
        {
            var iso = new IsoDateTimeConverter();
            iso.DateTimeFormat = "yyyy-MM-dd HH:mm:ss";
            return JsonConvert.SerializeObject(new Result(_state, _data, _message), iso);
        }

        protected string GetResult(bool _state, string _message)
        {
            return JsonConvert.SerializeObject(new Result(_state, _message));
        }

        protected string GetResult(object _data)
        {
            var iso = new IsoDateTimeConverter();
            iso.DateTimeFormat = "yyyy-MM-dd HH:mm:ss";
            return JsonConvert.SerializeObject(new Result(_data == null ? false : true, _data), iso);
        }

        public static string GetNewId()
        {
            var array = new string[] { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" };
            var NewId = string.Format("{0}{1}{2}{3}{4}{5}", DateTime.Now.ToString("yyyyMMddHHmmss"), array.OrderBy(s => Guid.NewGuid()).First(), array.OrderBy(s => Guid.NewGuid()).First(), array.OrderBy(s => Guid.NewGuid()).First(), array.OrderBy(s => Guid.NewGuid()).First(), array.OrderBy(s => Guid.NewGuid()).First());
            return NewId;
        }

        public static void write_log(string msg)
        {
            DateTime now = DateTime.Now;
            HttpContext context = HttpContext.Current;
            if (!Directory.Exists(context.Server.MapPath("/bin/logs/")))
            {
                Directory.CreateDirectory(context.Server.MapPath("/bin/logs/"));
            }
            lock (_syncRoot)
            {
                using (StreamWriter sw = new StreamWriter(context.Server.MapPath("/bin/logs/" + now.ToString("yyyy-MM-dd") + ".txt"), true))
                {
                    sw.Write("=============================================================\r\n" + now + "\r\n" + msg + "\r\n");
                    sw.Close();
                }
            }
        }

        /// <summary>
        /// md5密码加密
        /// </summary>
        /// <param name="passWord"></param>
        /// <returns></returns>
        public static string GetMD5(string passWord)
        {
            MD5 md5 = new MD5CryptoServiceProvider();
            byte[] bt = Encoding.Default.GetBytes(passWord);//将待加密字符转为 字节型数组
            byte[] resualt = md5.ComputeHash(bt);//将字节数组转为加密的字节数组
            string pwds = BitConverter.ToString(resualt).Replace("-", "");
            passWord = pwds;
            return passWord;
        }


        static readonly object _syncRoot = new object();

        /// <summary>
        /// 内容
        /// </summary>
        protected HttpContext baseContext = null;

        /// <summary>
        /// 跨域配置
        /// </summary>
        protected void CrossDomain()
        {
            baseContext.Response.AddHeader("Access-Control-Allow-Origin", "*");
            baseContext.Response.AddHeader("Access-Control-Allow-Headers", " x-www-form-urlencoded, Content-Type,x-requested-with");
            baseContext.Response.AddHeader("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS");
        }
    }
}