using System;
using System.Collections.Generic;
using System.Linq;
using System.Transactions;
using System.Web;
using System.Web.Mvc;
using System.Web.Security;
using DotNetOpenAuth.AspNet;
using Microsoft.Web.WebPages.OAuth;
using WebMatrix.WebData;
using EMISOnline.Web.Filters;
using EMISOnline.Web.Models;
using Bowin.Common;
using Bowin.Common.Utility;
using EMISOnline.ViewModel.Account;
using EMISOnline.CommonLogic.SystemServices;
using EMISOnline.ViewModel.SystemView;
using EMISOnline.ViewModel;
using EMISOnline.Web.Controls;

namespace EMISOnline.Web.Controllers
{
    //[Authorize]
    [Authorization]
    public class AccountController : Controller
    {
        public IUserServices UserServices { get; set; }
        //
        // GET: /Account/Login

        [AllowAnonymous]
        public ActionResult Login(string returnUrl)
        {
            ViewBag.ReturnUrl = returnUrl;
            var model = this.GetUserCookies();
            if (model != null)
            {
                return View(model);
            }
            return View();
        }
        public ActionResult Register()
        {
            RegisterModel model = new RegisterModel();
            return View(model);
        }
        //
        // POST: /Account/Login

        [HttpPost]
        [AllowAnonymous]
        public ActionResult Login(LogOnModel model, string returnUrl)
        {
            if (ModelState.IsValid)
            {
                try
                {
                    if (model.VerifyCode != Session["code"] as string)
                    {
                        ModelState.AddModelError("", "请输入正确的验证码！");
                        return View(model);
                    }

                    if (UserServices.Login(model.UserName, model.Password))
                    {
                        try
                        {
                            this.LoginSureccessful(model, model.UserName);
                            return RedirectToAction("Index", "Home");
                        }
                        catch (Exception ex)
                        {
                            ModelState.AddModelError("", ex.Message);
                            return View(model);
                        }
                    }
                    else
                    {
                        ModelState.AddModelError("", "用户名或密码不正确请检查后重新输入！");

                        this.RemoveUserCookies(model);

                        return View(model);
                    }
                }
                catch (Exception ex)
                {
                    this.RemoveUserCookies(model);

                    ModelState.AddModelError("", "提供的用户名或密码不正确。");
                    throw ex;
                }
            }

            return View(model);
        }

        private LogOnModel GetUserCookies()
        {
            LogOnModel model = new LogOnModel();

            HttpCookie cookie = HttpContext.Request.Cookies["username"];
            if (cookie != null)
            {
                model.UserName = cookie.Value;
            }

            HttpCookie cookie2 = HttpContext.Request.Cookies["password"];
            if (cookie2 != null)
            {
                model.Password = cookie2.Value;
            }

            HttpCookie cookie3 = HttpContext.Request.Cookies["rememberme"];
            if (cookie != null)
            {
                model.RememberMe = cookie3.Value.ToLower() == "true";
            }

            return model;
        }

        //
        // POST: /Account/LogOff

        public ActionResult LogOff()
        {
            var cookieName = EMISOnline.Utility.Const.LOCAL_SETTING_LOGIN_COOKIENAME;
            HttpCookie cookie = new HttpCookie(cookieName);
            cookie.Value = "";
            cookie.Expires = DateTime.Now.AddDays(-1);
            Response.Clear();
            Response.AppendCookie(cookie);

            if (EMISOnline.Utility.Const.SSO_IS_SSO_LOGIN)
            {
                return Redirect(EMISOnline.Utility.Const.SSO_HOST + "/Account/LogOff?url=" + HttpContext.Request.Url.AbsoluteUri);
            }
            else
            {
                return RedirectToAction("Index", "Home");
            }
        }

        [AllowAnonymous]
        public ActionResult ForgotPassword(string loginID)
        {
            return View();
        }

        public ActionResult ChangePassword()
        {
            return View();
        }
    }
}