using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Linq;
using System.Runtime.Serialization.Json;
using System.Web;
using System.Web.SessionState;
using Dapper;
using Dapper.Contrib.Extensions;


namespace abbott_2024_event.BackEnd.api
{
    /// <summary>
    /// signin 的摘要描述
    /// </summary>
    public class signin : IHttpHandler, IReadOnlySessionState
    {
        SqlConnection conn = new SqlConnection(globalClass.appsettings("DBConnectionString"));

        public void ProcessRequest(HttpContext context)
        {
            result objRet = new result();
            DataContractJsonSerializer json = new DataContractJsonSerializer(objRet.GetType());
            context.Response.ContentType = "application/json;charset=utf-8";

            string id = (context.Request["id"] == null) ? "" : context.Request["id"].ToString();
            string pwd = (context.Request["pwd"] == null) ? "" : context.Request["pwd"].ToString();

            login login = conn.QueryFirstOrDefault<login>("select * from login where login_id = @login_id and login_pwd = @login_pwd", new { login_id = id, login_pwd = pwd });

            if (login == null)
            {
                objRet.ret = "no";
                objRet.err_code = "0001";
                objRet.message = "帳號或密碼錯誤";
                json.WriteObject(context.Response.OutputStream, objRet);
                return;
            }

            string token_key = globalClass.CreateRandomCode(32);
            string user_uid = id;

            token newToken = new token();
            newToken.user_uid = user_uid;
            newToken.user_id = id;
            newToken.token_key = token_key;
            newToken.token_isremember = "N";
            newToken.token_expireddate = DateTime.Now.AddMinutes(60);
            newToken.token_createdate = DateTime.Now;

            HttpCookie tokenCookie = new HttpCookie("token");
            HttpCookie idCookie = new HttpCookie("id");
            tokenCookie["token"] = token_key;
            tokenCookie["uid"] = user_uid;
            idCookie["id"] = id;

            tokenCookie.Expires = DateTime.Now.AddMinutes(60);
            idCookie.Expires = DateTime.Now.AddDays(31);

            conn.Insert<token>(newToken);

            context.Response.Cookies.Add(tokenCookie);
            context.Response.Cookies.Add(idCookie);

            objRet.ret = "yes";
            json.WriteObject(context.Response.OutputStream, objRet);
        }

        public class result
        {
            public string ret = "no";
            public string err_code = "0000";
            public string message = "";
        }


        public bool IsReusable
        {
            get
            {
                return false;
            }
        }
    }
}