using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using IStation.Bimface;

namespace IStation
{
    /// <summary>
    /// ViewToken
    /// </summary>
    public sealed partial class BimfaceClient
    {
        /// <summary>
        /// 获取ViewToken
        /// </summary>
        public string GetViewToken(long id, eModelIdType modeltype = eModelIdType.fileId)
        {
            GetAccessToken();
            if (_expiretime.ValidViewTokenExpiration(id, DateTime.Now))
                getViewToken(id, modeltype);
            return _viewtokenDic[id];
        }

        //视图令牌请求地址
        private const string _viewtokenurl = @"https://api.bimface.com/view/token";

        //获取ViewToken，内部调用
        private void getViewToken(long id, eModelIdType modeltype = eModelIdType.fileId)
        {
            var url = string.Format("{0}?{1}={2}", _viewtokenurl, modeltype.ToString(), id);
            using (var httpClient = new HttpClient())
            {
                httpClient.DefaultRequestHeaders.Add("Method","Get");
                var header = new HttpHeaders().GetBasicAuthorHeader(_accesstoken);
                httpClient.DefaultRequestHeaders.Add(header.Key, header.Value);
                var response=httpClient.GetAsync(url).Result;
                response.EnsureSuccessStatusCode();
                var responsetext=response.Content.ReadAsStringAsync().Result;
                var result = JsonHelper.Json2Object<Result<string>>(responsetext);
                if (result.code != Constants.Success)
                {
                    throw new BimfaceException(result.code);
                }
                if (_viewtokenDic.ContainsKey(id))
                    _viewtokenDic[id] = result.data;
                else
                    _viewtokenDic.Add(id, result.data);
                _expiretime.SetViewTokenGetTime(id, DateTime.Now);
            }

            

        }








    }
}