@page
@using Microsoft.AspNetCore.Authorization
@using Microsoft.AspNetCore.Mvc
@using System.Collections.Generic;
@using System.Data;
@using System.Data.SqlClient;
@using ZoomLa.BLL;
@using ZoomLa.BLL.API;
@using ZoomLa.Common;
@using ZoomLa.Model;
@using ZoomLa.Safe;
@using ZoomLa.SQLDAL;
@using ZoomLa.SQLDAL.SQL;
@using Newtonsoft.Json;
@using Newtonsoft.Json.Linq;
@using ZoomLa.AppCode.Verify;
@using ZoomLa.BLL.Helper;
@using System.IO;
@using System.Text;
@using System.Net
@model PageModel
@functions{
    public class PageModel : Page_Base
    {
        public string action { get { return GetParam("action"); } }
        public override int Mid { get { return DataConvert.CLng(GetParam("id")); } }
        M_APIResult retMod = new M_APIResult(M_APIResult.Failed);
        public IActionResult OnGet()
        {
            return ActionDeal();
        }
        public IActionResult OnPost()
        {
            return ActionDeal();
        }
        //============================================================================================================
        private IActionResult ActionDeal()
        {
            string text = GetParam("tex");
            string result = ZL_API_Sound.GetSoundPath(text);
            return Content(result);
        }
        public class ZL_API_Sound
        {
            static string TokenInfo = "";
            static string Token = "";
            static string vpath = ZLHelper.GetUploadDir_System("Sounder");
            /// <summary>
            /// 返回音频文件路径
            /// </summary>
            /// <param name="text"></param>
            /// <returns></returns>
            public static string GetSoundPath(string text)
            {
                if (string.IsNullOrEmpty(text)) { return ""; }
                string md5 = StringHelper.MD5(text);
                string savePath = vpath + md5 + ".mp3";
                if (System.IO.File.Exists(function.VToP(savePath))) { return savePath; }
                else//开始合成语音 
                {
                    savePath = GetSoundFromBiadu(text, md5);
                }
                return savePath;
            }
            //合成文本长度必须小于1024字节，如果本文长度较长，可以采用多次请求的方式。切忌不可文本长度超过限制。
            public static string GetSoundFromBiadu(string text, string md5)
            {
                text = text.Trim();
                //string token = "24.7a59ff42a21e6a68093775145c531e78.2592000.1452835747.282335-7499115";
                M_API_BaiduSound apiMod = new M_API_BaiduSound();
                apiMod.tok = GetToken();
                apiMod.tex = text;
                apiMod.cuid = "zoomla_api_tosound";
                string data = apiMod.ToParamStr();
                string url = "http://tsn.baidu.com/text2audio";
                HttpWebResponse rep = ProcessRequest(url, data);
                Stream dataStream = rep.GetResponseStream();
                byte[] file = IOHelper.StreamToBytes(dataStream);
                string fpath = SafeSC.SaveFile(vpath, md5 + ".mp3", file);
                dataStream.Close();
                rep.Close();
                return fpath;
            }
            private static HttpWebResponse ProcessRequest(string url, string data, string Method = "POST")
            {
                //url = "https://api2.tradologic.net/v2/users/login";
                HttpWebRequest client = HttpWebRequest.Create(url) as HttpWebRequest;
                client.Accept = "*/*";
                //client.Headers.Add("Accept-Encoding", "gzip, deflate");
                client.Headers.Add("Accept-Language", "zh-CN,zh;q=0.8,en;q=0.6,ja;q=0.4");
                //client.Headers.Add("Authorization", "oauth oauth_token=" + token);
                client.Headers.Add("Cache-Control", "no-cache");
                client.ContentType = "application/x-www-form-urlencoded; charset=UTF-8";
                client.Headers.Add("Origin", "http://demo.z01.com");
                client.Headers.Add("Pragma", "no-cache");
                client.Referer = "http://demo.z01.com/test/test2.aspx";
                client.UserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.99 Safari/537.36 2345chrome v3.0.0.8180";
                //client.Host = "demo.z01.com";

                //CookieContainer cookie = new CookieContainer();
                //cookie.Add(new Cookie("ASP.NET_SessionId", "hlup5bm0wlcmhojvyctyn4hw", "/", "demo.z01.com"));
                //client.CookieContainer = cookie;
                //client.CookieContainer.Add(client.RequestUri, new Cookie("ASP.NET_SessionId", "hlup5bm0wlcmhojvyctyn4hw"));
                client.Headers.Add("X-Requested-With", "XMLHttpRequest");

                client.Method = Method;
                //client.Headers["X-Forwarded-For"] = "115.148.181.206";
                //写入Json传递
                //string data = "username=whatclass8%40163.com&password=123123aa&method=post&dataType=json&format=json";
                if (!Method.ToUpper().Equals("GET") && !string.IsNullOrEmpty(data))
                {
                    //if (!string.IsNullOrEmpty(data)) { data += "&method=post&dataType=json&format=json"; }
                    byte[] bs = Encoding.UTF8.GetBytes(data);
                    client.ContentLength = bs.Length;//附带的数据内容的长度
                    {
                        Stream dataStream = client.GetRequestStream();
                        dataStream.Write(bs, 0, bs.Length);
                        dataStream.Close();
                    }
                }
                HttpWebResponse response = (HttpWebResponse)client.GetResponse();
                return response;
            }
            //需扩展,增加过期检测
            private static string GetToken()
            {
                if (string.IsNullOrEmpty(TokenInfo)) { TokenInfo = GetTokenFromServer(); }
                if (string.IsNullOrEmpty(Token))
                {
                    JObject jobj = JsonConvert.DeserializeObject<JObject>(TokenInfo);
                    Token = jobj["access_token"].ToString();
                }
                return Token;
            }
            private static string GetTokenFromServer()
            {
                string api = "agxQBTyg86TIcwSwc3pMQTIW";
                string secret = "e5827a3628a81bd2c1432a38f5f508d9";
                string s = APIHelper.UploadStr("https://openapi.baidu.com/oauth/2.0/token", "grant_type=client_credentials&client_id=" + api + "&client_secret=" + secret);
                return s;
            }
        }
        public class M_API_BaiduSound
        {
            public string tex = "";
            public string lan = "zh";
            public string tok = "";
            public string cuid = "";//服务端MAC 固定
            public int ctp = 1;
            public int spd = 5;
            public int vol = 5;
            public int per = 0;
            public string ToParamStr()
            {
                string str = "tex=" + HttpUtility.UrlEncode(tex) + "&lan=" + lan + "&tok=" + tok + "&cuid=" + cuid;
                str += "&ctp=" + ctp + "&spd=" + spd + "&vol=" + vol + "&per=" + per;
                return str;
            }
        }
    }
}
@{ 
    Layout = null;
}