using BLL;
using BLL.Common;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace FineUIPro.Web
{
    public partial class ssocallback : System.Web.UI.Page
    {
        private string code = string.Empty;
        protected void Page_Load(object sender, EventArgs e)
        {
            this.code = Request.Params["code"];
            if (string.IsNullOrEmpty(this.code))
            {
                Response.Redirect("~/login.aspx");
                return;
            }
            var token= GetAccessToken(this.code);
            var userInfo = getUserInfo(token);
            if (userInfo == null)
            {
                Response.Redirect("~/login.aspx");
                return;
            }

            Response.Redirect("~/index.aspx");
        }

        private AccessTokenModel GetAccessToken(string _code)
        {
            string clientId = "9379ad91-eef9-4956-a1ee-8b04bb3d42c8";
            string clientSecret = "iLu8Q~4DRYAn~sMjvO1j.tgRERFWhILvLYRPNc9S";
            string grant_type = "authorization_code";
            string redirect_url = "http://localhost:6166/ssocallback.aspx";
            string scope = "profile openid";
            string baseUrl = $" https://login.microsoftonline.com/ecaa386b-c8df-4ce0-ad01740cbdb5ba55/oauth2/v2.0/token";

            try
            {
                string postData = $"code={code}&client_id={clientId}&client_secret={clientSecret}&grant_type={grant_type}&redirect_uri={redirect_url}&scope={scope}";

                string result = BLL.Common.HttpHelper.HttpPostRequest(baseUrl, postData, string.Empty);

                var Data = JsonConvert.DeserializeObject<AccessTokenModel>(result);

                return Data;

            }
            catch (Exception ex)
            {
                ErrLogInfo.WriteLog(ex.Message);
            }
            return null;

        }


        private UserTokenModel getUserInfo(AccessTokenModel token)
        {
            string baseUrl = "https://graph.microsoft.com/oidc/userinfo";
            try
            {
                var result = HttpHelper.HttpGetRequest(baseUrl, token.access_token);

                if (result.IndexOf("sub") > -1)
                {
                    var info = JsonConvert.DeserializeObject<UserTokenModel>(result);
                    //写入session信息
                    //写入cookie信息

                    return info;
                }

            }
            catch (Exception ex)
            {
                //这里报错了，写入日志
                BLL.ErrLogInfo.WriteLog(ex.Message);    
            }
            return null;
        }

    }

    public class UserTokenModel
    {
        public string sub { get; set; }

        public string name {  get; set; }

        public string family_name {  get; set; }

        public string given_name {  get; set; }

        public string picture {  get; set; }
        public string email { get; set; }
    
    }
}