using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Data.Entity;
using System.Threading;
using Microsoft.AspNet.Identity;
using Weee.DAL;
using Weee.ViewModels;
using Weee.Models.ExtensionMethods;
using Weee.Models;
using Microsoft.Owin.Security;
using CScommon;
using Weee.Service;

namespace Weee.Controllers
{
    /// <summary>
    /// this controller is for accept Requst , and Anonymous reply ,
    /// 其他的request action 在 LCA api controller 中的 'region For reply request'
    /// </summary>
    //[Filter.MvcMultilanguage]disable obsolete warning, not sure OK or not
    public class LCARequestController : QcarbonControllerBase
    {
        //private WeeeDataContext _db;
        private readonly UserManager<User> usermanager;
        protected WeeeSiteInfoService _siteInfoService;
        public LCARequestController(WeeeDataContext db, UserManager<User> u, WeeeSiteInfoService siteInfoService)
            :base(db)
        {
            //_db = db;
            usermanager = u;
            _siteInfoService = siteInfoService;
        }

        [Route("LCARequest/AnonymousReply/{Uid}/{Type}")]
        [AllowAnonymous]

        public ActionResult AnonymousReply(Guid uid, int type)
        {
            var vm = db.ProductLCAReplyRequests
                        .Where(x => x.Uid == uid)
                        .Where(x=>x.AcceptReplyDate==null)
                        .Select(x => new LCARequestAnonymousReplyViewModel()
                        {
                            SenderCompanyName = x.SenderCompanyName,
                            SenderName = x.SentByWhichMaterial.OwnerLCA.Owner.CEOName,
                            MaterialName = x.SentByWhichMaterial.Name,
                            Distribute = x.Distribute,
                            SendTime = x.CreatedDate,
                        })
                        .SingleOrDefault();
            if (vm == null) 
                vm = new LCARequestAnonymousReplyViewModel();
            var siteInfo = _siteInfoService.GetWebSiteInfo();
            if (siteInfo != null)
            {
                vm.SiteInfo = siteInfo;
                HttpContext.Application["customLoginImg"] = siteInfo.loginImagePath;
            }
            else
                HttpContext.Application["customLoginImg"] = null;
            vm.replyMode = type;
            return View(vm);
        }

        [Route("LCARequest/AnonymousReply/{Uid}")]
        [HttpPost]
        [AllowAnonymous]
        public ActionResult AnonymousReply(Guid uid, LCARequestAnonymousReplyViewModel vm)
        {
            int keepReplyMode = vm.replyMode;
            if (!ModelState.IsValid)
            {
                vm = db.ProductLCAReplyRequests
                        .Where(x => x.Uid == uid)
                        .Select(x => new LCARequestAnonymousReplyViewModel()
                        {
                            SenderCompanyName = x.SenderCompanyName,
                            SenderName = x.SentByWhichMaterial.OwnerLCA.Owner.CEOName,
                            MaterialName = x.SentByWhichMaterial.Name,
                            Distribute = x.Distribute,
                            SendTime = x.CreatedDate,
                            replyMode= keepReplyMode
                        })
                        .SingleOrDefault();
                return View(vm);
            }

            var request = db.ProductLCAReplyRequests.Include(x => x.SentByWhichMaterial).Where(x => x.Uid == uid).SingleOrDefault();
            if (request == null)
            {
                ViewBag.ErrorMessage = "This Request is no longer avaliable";
                return View("Fail");
            }
            else
            {
                try
                {
                    request.AcceptDate = DateTime.Now;
                    request.ReplyDate = DateTime.Now;
                    
                    request.replyMode = vm.replyMode;          
                    request.KgCO2e = vm.KgCO2e;
                    request.RepliedValue = request.KgCO2e;
                    request.KgCO2eUnit = vm.KgCO2eUnit;
                    request.FunctionUnit = vm.FunctionUnit;
                    request.WeightPerFunctionUnit = vm.WeightPerFunctionUnit;
                    var storage = DependencyResolver.Current.GetService<Storage.AzureStorage>();
                    if (vm.uploadReportFile != null)
                    {
                        vm.ReportFile = vm.uploadReportFile.FileName;
                        request.ReportFile = storage.SaveToAzure(
                            vm.uploadReportFile.InputStream, vm.ReportFile, baseUrl
                            , uid.ToString()).ToString();
                    }
                    if (vm.uploadReferenceFile != null)
                    {
                        vm.ReferenceFile=vm.uploadReferenceFile.FileName;
                        request.ReferenceFile = storage.SaveToAzure(
                            vm.uploadReferenceFile.InputStream, vm.ReferenceFile, baseUrl
                            , uid.ToString()).ToString();
                    }
                    request.tCO2e = vm.tCO2e;
                    request.YearlyRevenue = vm.YearlyRevenue;
                    request.TotalAmount = vm.TotalAmount;
                    request.TotalQuantity = vm.TotalQuantity;    
                    db.SaveChanges();
                    return View("SuccessReply");
                }
                catch
                { 
                    return View("Fail"); 
                }
            }
        }

        [Route("LCARequest/Accept/{Uid}")]
        [HttpGet]
        [AllowAnonymous]
        public ActionResult Accept(Guid uid)
        {
            var ViewModel = new LoginViewModel();
            return View("../account/Login", ViewModel);
        }


        [Route("LCARequest/Accept/{Uid}")]
        [HttpPost]
        public ActionResult Accept(Guid uid, LoginViewModel ViewModel)
        {

            if (ModelState.IsValid)
            {
                var user = usermanager.Find(ViewModel.UserName, ViewModel.Password);

                if (user != null &&
                    user.Company != null &&
                    user.Company.CompanyType == typeof(NormalCompany) &&
                    usermanager.IsInRole(user.Id, ProgramConstants.normalcompany))
                {
                    HttpContext.GetOwinContext().Authentication.SignOut(DefaultAuthenticationTypes.ExternalCookie);
                    var identity = usermanager.CreateIdentity(user, DefaultAuthenticationTypes.ApplicationCookie);
                    HttpContext.GetOwinContext().Authentication.SignIn(new AuthenticationProperties() { IsPersistent = ViewModel.RememberMe }, identity);


                    var request = db.ProductLCAReplyRequests.Where(x => x.Uid == uid).SingleOrDefault();
                    if (request != null)
                    {
                        request.ReceiverCompanyID = user.CompanyID;
                        request.AcceptDate = DateTime.Now;
                        db.SaveChanges();
                    }
                    return RedirectToAction("WeeeCarbonFootprint", "Home", new { area = "" });
                }

                if (user == null)
                    ModelState.AddModelError("", "The user name or password provided is incorrect.");
                else if (user.Company == null || user.Company.CompanyType != typeof(NormalCompany))
                    ModelState.AddModelError("", "只有供應商可以接受盤查指令");
                else if (usermanager.IsInRole(user.Id, ProgramConstants.normalcompany))
                    ModelState.AddModelError("", Resources.Resource.StaticLabelaccountpending);

                return View("../account/Login", ViewModel);
            }
            // If we got this far, something failed, redisplay form
            
            ModelState.AddModelError("", "The account / password is required");
            return View("../account/Login",ViewModel);
        }
    }
}