using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using Microsoft.AspNet.Identity;
using Weee.Filter;
using Weee.DAL;
using Weee.ViewModels;
using Weee.Models;
using Resources;
using CScommon;
using System.Text.RegularExpressions;
using Weee.Models.ExtensionMethods;
using Customize.Insynerger.Interfaces;
using Customize.Insynerger;
using Weee.Models.Customize.Insynerger;
using NPOI.SS.Formula.Functions;
using System.Configuration;

namespace Weee.Controllers
{
    [Authorize(Roles = ProgramConstants.normalcompany)]
    //[MvcMultilanguage]disable obsolete warning, not sure OK or not
    public class ProfileController : QcarbonControllerBase
    {
        //private WeeeDataContext _db; 
        private readonly EmailService.Service service = DependencyResolver.Current.GetService<EmailService.Service>();//CFT-45
        private readonly string baseUrl = "";

        public ProfileController(WeeeDataContext db)
            : base(db)
        {
            //_db = db;
            baseUrl = ConfigurationManager.AppSettings["InsynergerAPIurl"];
        }

        [Route("Profile")]
        public ActionResult Index()
        {
            var id = User.Identity.GetUserId();
            IinsynergerAuthenticate isa = new insynergerAuthenticate(db, baseUrl);
            ViewBag.SynergerOn = isa.IsSynergerOn();
            if (ViewBag.SynergerOn)
            {
                var vm = (from a in db.Users
                          join x in db.SynergerUser on a.Id equals x.userId into lj
                          from b in lj.DefaultIfEmpty()
                          where a.Id == id
                          select new ProfileViewModel
                          {
                              Name = a.Name,
                              Email = a.Email,
                              Job = a.Job,
                              PhoneNumber = a.PhoneNumber,
                              MobileNumber = a.MobileNumber,
                              SynergerGroupId = b.groupId
                          }).SingleOrDefault();
                if (vm == null) return RedirectToAction("index", "home", new { });
                return View(vm);
            }
            else
            {
                var vm = db.Users
                    .Where(x => x.Id == id)
                    .Select(x => new ProfileViewModel()
                    {
                        Name = x.Name,
                        Email = x.Email,
                        Job = x.Job,
                        PhoneNumber = x.PhoneNumber,
                        MobileNumber = x.MobileNumber
                    })
                    .SingleOrDefault();
                if (vm == null) return RedirectToAction("index", "home", new { });
                return View(vm);
            }
        }

        [HttpPost]
        [Route("Profile")]
        public ActionResult Index(ProfileViewModel vm)
        {
            IinsynergerAuthenticate isa = new insynergerAuthenticate(db, baseUrl);
            ViewBag.SynergerOn = isa.IsSynergerOn();
            if (!ModelState.IsValid)
                return View(vm);
            var trans=    db.Database.BeginTransaction();
            try
            {
                var id = User.Identity.GetUserId();
                var user = db.Users.Where(x => x.Id == id)
                    .SingleOrDefault();
                user.Name = vm.Name;
                user.Email = vm.Email;
                user.Job = vm.Job;
                user.PhoneNumber = vm.PhoneNumber;
                user.MobileNumber = vm.MobileNumber;
                if (ViewBag.SynergerOn)
                {
                    var synu=db.SynergerUser
                        .Where(x => x.userId==id && x.isSelf==true)
                        .SingleOrDefault();
                    if (synu != null)
                        db.SynergerUser.Remove(synu);
                    if (vm.SynergerGroupId != null)
                    {
                        SynergerUser su = new SynergerUser();
                        su.userId = id;
                        su.isSelf = true;
                        su.groupId =(int)vm.SynergerGroupId;
                        db.SynergerUser.Add(su);
                    }
                }
                db.SaveChanges();
                trans.Commit();
                ViewBag.SuccessMessage = Resource.SaveSuccess;
            }
            catch(Exception ex)
            {
                trans.Rollback();
                throw;
            }
            return View(vm);
        }

        [Route("Profile/changepassword")]
        public ActionResult ChangePassword()
        {  
            return View();
        }

        [HttpPost]
        [Route("Profile/changepassword")]
        [ValidateAntiForgeryToken]
        public ActionResult ChangePassword(ViewModels.ProfileChangePasswordViewModel vm)
        {
            var manager = DependencyResolver.Current.GetService<UserManager<Models.User>>();
            var userName = User.Identity.GetUserName();
            var user = manager.Find(userName, vm.OriginalPassword ?? "");

            if (!ModelState.IsValid || user == null)
            { 
                ViewBag.FailMessage = Resource.SaveFail;
                return View(new ProfileChangePasswordViewModel());
            }

            string ck = PassWordUtl.PasswordCheck(vm.NewPassword);
            if (!string.IsNullOrWhiteSpace(ck))
            {
                ViewBag.FailMessage = ck;
                return View(new ProfileChangePasswordViewModel());
            }

            var hashedPassword = manager.PasswordHasher.HashPassword(vm.NewPassword);
            user.PasswordHash = hashedPassword;
            db.SaveChanges();

            ViewBag.SuccessMessage = Resource.SaveSuccess;

            return View(new ProfileChangePasswordViewModel());
        }

        [Route("Profile/changepassword2")]
        [AllowAnonymous]
        public ActionResult ChangePassword2(string key)
        {
            try
            {
                if (key != null && key.Trim() != "")
                {

                    string userName = service.Decrypt(key);
                    var userInfo = db.Users.FirstOrDefault(u => u.UserName == userName);
                    if (userInfo == null)
                    {
                        ViewData["Message"] = Resource.AccountNotExist;
                    }
                    else
                    {
                        ViewData["UserName"] = userName;
                    }
                }
                else
                {
                    ViewBag.SuccessMessage = Resource.SaveSuccess;
                    ViewData["Message"] = Resource.AccountNotExist;
                }
            }
            catch (Exception ex)
            {
                ex = CScommon.Exceptions.inner(ex);
                ViewData["Message"] = ex.Message;
            }
            return View();
        }

        [HttpPost]
        [Route("Profile/changepassword2")]
        [AllowAnonymous]
        [ValidateAntiForgeryToken]
        public ActionResult ChangePassword2(ViewModels.ResetPasswordViewModel vm)
        {
            var manager = DependencyResolver.Current.GetService<UserManager<Models.User>>();
            var user = db.Users.FirstOrDefault(u => u.UserName == vm.UserName);

            if (!ModelState.IsValid || user == null)
            {
                ViewBag.FailMessage = Resource.SaveFail;
                return View(new ResetPasswordViewModel());
            }

            var hashedPassword = manager.PasswordHasher.HashPassword(vm.NewPassword);
            user.PasswordHash = hashedPassword;
            db.SaveChanges();

            ViewBag.SuccessMessage = Resource.SaveSuccess;

            return View(new ResetPasswordViewModel());
        }

        [HttpGet]
        [Route("Profile/Company")]
        public ActionResult Company()
        {
            string userId = User.Identity.GetUserId();
            var user = db.Users.Where(x => x.Id == userId).First();
            var company = user.Company;

            return View(company);
        }

        
        [HttpPost]
        [Route("Profile/Company")]
        [ValidateAntiForgeryToken]
        public ActionResult Company(NormalCompany input)
        {
            string userId = User.Identity.GetUserId();
            Company company = db.Users.Where(x => x.Id == userId).First().Company;

            if (ModelState.IsValid)
            {
                company.Name = input.Name;
                company.EnglishName = input.EnglishName;
                company.Address = input.Address;
                company.BusinessAddress = input.BusinessAddress;
                company.WebSiteUrl = input.WebSiteUrl;
                company.VATNumber = input.VATNumber;
                company.NumberOfEmployees = input.NumberOfEmployees;
                company.Industry = input.Industry;
                company.CEOName = input.CEOName;
                company.Capital = input.Capital;
                company.Description = input.Description;
                company.IndustryDescription = input.IndustryDescription;
                db.SaveChanges();
                ViewBag.SuccessInfo = Resource.UpdateSuccess;
            }

            return View(company);
        }


        [HttpGet]
        [Route("Profile/Settings")]
        public ActionResult Settings()
        {
            string userId = User.Identity.GetUserId();
            UserAccountType accountType = db.UserAccountType.Where(x => x.UserId == userId).FirstOrDefault();
            if(accountType.tCO2digits == null)
            {
                accountType.tCO2digits = 0;
            }
            return View(accountType);
        }


        [HttpPost]
        [Route("Profile/Settings")]
        [ValidateAntiForgeryToken]
        public ActionResult Settings(UserAccountType input)
        {
            string userId = User.Identity.GetUserId();
            UserAccountType accountType = db.UserAccountType.Where(x => x.UserId == userId).FirstOrDefault();

            if (ModelState.IsValid)
            {
                accountType.tCO2digits = input.tCO2digits;
                db.SaveChanges();
                ViewBag.SuccessInfo = Resource.UpdateSuccess;
            }

            return View(accountType);
        }

        [HttpPost]
        [Route("Profile/SetSession")]
        public void SetSession(string sessionName,string sessionValue)
        {
            Session[sessionName] = sessionValue;
        }
    }
}