using System;
using System.Web.Mvc;
using System.Web.UI;
using AutoMapper;
using DR.FV2016.Service.Interfaces;
using DR.FV2016.Web.Helpers;
using DR.FV2016.Web.Models;
using DR.FV2016.Web.Models.Constituency;

namespace DR.FV2016.Web.Controllers
{
    public class ConstituencyController : Controller
    {
        private readonly IConstituencyService _constituencyService;
        private readonly IArticleService _articleService;

        public ConstituencyController(IConstituencyService constituencyService, IArticleService articleService)
        {
            if (constituencyService == null) throw new ArgumentNullException("constituencyService", "constituencyService may not be null.");
            if(articleService == null) throw new ArgumentNullException("articleService", "An instance of IArticleService is required.");

            _constituencyService = constituencyService;
            _articleService = articleService;
        }

        [OutputCache(Location = OutputCacheLocation.Downstream, Duration = 180)]
        public ActionResult Index()
        {
            var wrapper = _articleService.GetDefaultArticleWrapper();
            var model = Mapper.Map<AllConstituenciesViewModel>(wrapper);
            model.GreaterConstituencies = ConstituencyHelper.AllConstituencies(Mapper.Engine, _constituencyService);
            model.IsResponsive = true;

            SearchableHelper.EnsureUrn(model, "urn:dr:valg2015:se-din-stemmeseddel");
            return View(model);
        }

        [OutputCache(Location = OutputCacheLocation.Downstream, Duration = 180)]
        public ActionResult ConstituencyInfo(int constituencyId)
        {
            if(constituencyId <= 0)
                throw new ArgumentOutOfRangeException("constituencyId");

            var constituency = Mapper.Map<Constituency>(_constituencyService.GetConstituency(constituencyId));
            return Json(constituency, JsonRequestBehavior.AllowGet);
        }

        [OutputCache(Location = OutputCacheLocation.Downstream, Duration = 180)]
        public ActionResult MobileLandingPage()
        {
            var wrapper = _articleService.GetDefaultArticleWrapper();
            var model = Mapper.Map<AllConstituenciesViewModel>(wrapper);
            model.GreaterConstituencies = ConstituencyHelper.AllConstituencies(Mapper.Engine, _constituencyService);
            model.IsResponsive = true;
            return View(model);
        }
    }
}