using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Web.Mvc;
using Sevomin.Models;
using Sevomin.Models.Repositories;
using Microsoft.AspNet.Identity;
using Microsoft.AspNet.Identity.EntityFramework;
using Sevomin.Models.Helpers;
using System.Web;

namespace Sevomin.WebFrontend.Controllers
{
    public class JobController : AuthorizedController
    {
        IJobRepository _JobRepository;
        public SevominUserManager UserManager { get; private set; }
        private HttpContextBase _httpContext;

        public JobController()
            : this(JobRepository.Current, 
            new SevominUserManager(new UserStore<User>(SevominDbContext.Current)), null)
        {
        }

        protected override void Initialize(System.Web.Routing.RequestContext requestContext)
        {
            base.Initialize(requestContext);
            _httpContext = requestContext.HttpContext;
        }

        public JobController(IJobRepository jobRepository, SevominUserManager userManager, HttpContextBase httpContext)
        {
            _JobRepository = jobRepository;
            UserManager = userManager;
            _httpContext = httpContext;
        }

        private async Task<Job> GetEmptyJob()
        {
            User u = await UserManager.FindByNameAsync(User.Identity.Name);
            if (u == null)
                throw new InvalidOperationException("شما خیلی هنرمندی! به ما هم بگو چجوری!");
            Avalin avalin = u as Avalin;
            if (avalin == null)
                throw new InvalidOperationException("جای شما که اینجا نیست!");
            Job job = _JobRepository.GetEmptyJobFor(avalin);
            return job;
        }

        public async Task<ActionResult> NewJob()
        {
            Job job = await GetEmptyJob();
            JobViewModel jvm = new JobViewModel(job);
            return View(jvm);
        }

        [HttpPost]
        public async Task<ActionResult> NewJob(string JalaliExpireDate, string ContactPersonName,
            string ContactPersonPhone, string ContactPersonEMail, bool IsFullTime, 
            bool ShowCompanyName, string Description, bool ShowCompanyLogo, FormCollection form)
        {
            Job job = await GetEmptyJob();
            try
            {
                UpdateFields(JalaliExpireDate, ContactPersonName, ContactPersonPhone,
                    ContactPersonEMail, IsFullTime, ShowCompanyName,
                    Description, ShowCompanyLogo, form, job);
                JobRepository.Current.Save();
            }
            catch (Exception)
            {
                JobViewModel jvm = new JobViewModel(job);
                return View(jvm);
            }
            return Content("boogh: " + job.Id.ToString());
        }

        private async Task<Job> FetchJob(long id)
        {
            User u = await UserManager.FindByNameAsync(User.Identity.Name);
            if (u == null)
                throw new InvalidOperationException("شما خیلی هنرمندی! به ما هم بگو چجوری!");
            Avalin avalin = (Avalin)u;
            Job job = _JobRepository.Find(id);
            if (job == null || job.AvalinId != avalin.Id)
                throw new InvalidOperationException("شماره آگهی استخدام مورد نظر معتبر نیست");
            return job;
        }

        public async Task<ActionResult> Edit(long id)
        {
            Job job = await FetchJob(id);
            JobViewModel jvm = new JobViewModel(job);
            return View(jvm);
        }

        [HttpPost]
        public async Task<ActionResult> Edit(long id, string JalaliExpireDate, string ContactPersonName,
            string ContactPersonPhone, string ContactPersonEMail, bool IsFullTime,
            bool ShowCompanyName, string Description, bool ShowCompanyLogo, FormCollection form)
        {
            Job job = await FetchJob(id);
            try
            {
                UpdateFields(JalaliExpireDate, ContactPersonName, ContactPersonPhone, 
                    ContactPersonEMail, IsFullTime, ShowCompanyName, 
                    Description, ShowCompanyLogo, form, job);
                JobRepository.Current.Save();
            }
            catch (Exception)
            {
                JobViewModel jvm = new JobViewModel(job);
                return View(jvm);
            }
            return Content("boogh: " + job.Id.ToString());
        }

        private static void UpdateFields(string JalaliExpireDate, string ContactPersonName, string ContactPersonPhone, string ContactPersonEMail, bool IsFullTime, bool ShowCompanyName, string Description, bool ShowCompanyLogo, FormCollection form, Job job)
        {
            job.ExpireDate = DateAssist.ToMiladi(JalaliExpireDate);
            job.ContactPersonEMail = ContactPersonEMail;
            job.ContactPersonName = ContactPersonName;
            job.ContactPersonPhone = ContactPersonPhone;
            job.Description = Description;
            job.IsFullTime = IsFullTime;
            job.ShowCompanyLogo = ShowCompanyLogo;
            job.ShowCompanyName = ShowCompanyName;
            foreach (var jp in job.JobParameters)
            {
                string value = form[string.Format("value-{0}", jp.Parameter.Id)];
                byte moscow = 0;
                byte.TryParse(form[string.Format("moscow-{0}", jp.Parameter.Id)], out moscow);
                jp.SetValue(value);
                if (string.IsNullOrWhiteSpace(jp.StringValue))
                    jp.Moscow = 0;
                else
                    jp.Moscow = moscow;
            }
        }

    }
}