using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using QM.AuthServer;
using QM.AuthServer.Auth;
using QM.AuthServer.Models.Users;
using System.Collections.Generic;
using System.Net.Http;
using System.Threading.Tasks;
using WS;
using WS.AutoMapper;
using WS.Helper;
using WS.Image;
using WS.WebCore.Api;

namespace QM.Gateway.Controllers
{
    /// <summary>
    /// 登录
    /// </summary>
    public class LoginController : BaseApiController
    {
        /// <summary>
        /// 获取验证码
        /// </summary>
        /// <returns></returns>
        [HttpGet, AllowAnonymous]
        public ActionResult GerVerifyCode()
        {
            var code = CaptchaCode.DrawNumberImage(4);
            HttpContext.Session.SetString(ProConst.VERIFY, code.Code);
            return File(code.ImgData, @"image/Gif");
        }

        /// <summary>
        /// 登录提交（带验证码）
        /// </summary>
        /// <returns></returns>
        [HttpPost, AllowAnonymous]
        public async Task<ActionResult<object>> AuthenticateVerify(LoginVerifyDto loginDto)
        {
            var code = HttpContext.Session.GetString(ProConst.VERIFY);
            if (string.IsNullOrWhiteSpace(code) || string.IsNullOrWhiteSpace(loginDto.Verify) || loginDto.Verify.ToLower() != code)
                throw new UseArgumentException("验证码不正确");
            return await Authenticate(loginDto.MapTo<LoginDto>());
        }

        /// <summary>
        /// 登录提交
        /// </summary>
        /// <returns></returns>
        [HttpPost, AllowAnonymous]
        public async Task<ActionResult<object>> Authenticate(LoginDto loginDto)
        {
            var url = ConfigHelper.Configuration["Login:Url"];
            Dictionary<string, string> dict = new Dictionary<string, string>();
            dict.Add("client_id", ConfigHelper.Configuration["Login:ClientId"]);
            dict.Add("client_secret", ConfigHelper.Configuration["Login:ClientSecrets"]);
            dict.Add("grant_type", "password");
            dict.Add("username", loginDto.Id);
            dict.Add("password", loginDto.Pwd);
            using(HttpClient http = new HttpClient())
            {
                using (var content = new FormUrlEncodedContent(dict))
                {
                    var result = await http.PostAsync(url, content);
                    if (result.IsSuccessStatusCode)
                    {
                        string msg = await result.Content.ReadAsStringAsync();
                        return msg.ToModel<Result>();
                    }
                    else
                    {
                        return StatusCode((int)result.StatusCode);
                    }
                }
            }
        }
        
        /// <summary>
        /// 单点登录
        /// </summary>
        /// <param name="ticket">票</param>
        /// <returns></returns>
        [HttpGet, AllowAnonymous]
        public async Task<ActionResult<object>> Single(string ticket)
        {
            var url = ConfigHelper.Configuration["Login:Url"];
            var url_ticket = ConfigHelper.Configuration["Auth:PT_Ticket"];

            try
            {
                using (HttpClient http = new HttpClient())
                {
                    var result = await http.GetAsync(url_ticket + ticket);
                    if (result.IsSuccessStatusCode)
                    {
                        string msg = await result.Content.ReadAsStringAsync();
                        WS.Log.RunLog.Debug($"单点登录【{url_ticket + ticket}】：{msg}");
                        var res = msg.ToModel<PtResult>();
                        if (res != null && res.code == 200)
                        {
                            Dictionary<string, string> dict = new Dictionary<string, string>();
                            dict.Add("client_id", ConfigHelper.Configuration["Login:ClientId"]);
                            dict.Add("client_secret", ConfigHelper.Configuration["Login:ClientSecrets"]);
                            dict.Add("grant_type", "password");
                            dict.Add("username", res.data.userInfo.NO);
                            dict.Add("password", "@AUTH@");
                            using (var content = new FormUrlEncodedContent(dict))
                            {
                                result = await http.PostAsync(url, content);
                                WS.Log.RunLog.Debug($"登录【{url}】：{result}");
                                if (result.IsSuccessStatusCode)
                                {
                                    msg = await result.Content.ReadAsStringAsync();
                                    return msg.ToModel<Result>();
                                }
                                else
                                {
                                    return StatusCode((int)result.StatusCode);
                                }
                            }
                        }
                        else if (res == null)
                        {
                            return StatusCode(510, "单点登录接口返回错误");
                        }
                        else
                        {
                            return StatusCode(res.code);
                        }
                    }
                    else
                    {
                        return StatusCode((int)result.StatusCode);
                    }
                }

            }
            catch (System.Exception ex)
            {
                WS.Log.RunLog.Error(ex);
                throw new UseMassageException(ex.Message);
            }
        }

        /// <summary>
        /// 登录提交
        /// </summary>
        /// <returns></returns>
        [HttpPost, AllowAnonymous]
        public bool Logout()
        {
            //_iAuthManage.CancelAuth(HttpContext);
            return true;
        }
    }
    class Result
    {
        public string access_token { get; set; }
        public int expires_in { get; set; }
        public string token_type { get; set; }
        public string scope { get; set; }
    }
}