using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Web.Http;
using System.Data.Entity;

using Weee.Models;
using Weee.DAL;
using Microsoft.AspNet.Identity;
using Microsoft.AspNet.Identity.EntityFramework;
using Weee.Service;
using Weee.Models.Paramemter;
using CScommon;
using System.Security.Claims;
using Resources;
using NLog;
using System.Web.Http.Controllers;
using System.Web;

namespace Weee.Controllers
{
    [Authorize(Roles = ProgramConstants.normalcompany)]
    //[Filter.ApiMultilanguage]disable obsolete warning, not sure OK or not
    public class ApiControllerBase : ApiController
    {
        protected WeeeDataAuthorizeService _authorizeService;
        protected Dictionary<int, string> activityItems = new Dictionary<int, string>();
        protected Dictionary<int, string> emitParaItems = new Dictionary<int, string>();
        protected Logger log;
        //protected string baseUrl = "";

        public ApiControllerBase(WeeeDataAuthorizeService s)
        {
            _authorizeService = s;
            _authorizeService.Initialize(User.Identity.GetUserId());
            //db = d;
            //List<SelectListItem> activityItems = new List<SelectListItem>();
            //activityItems.Add(0, Resource.StaticLabelGlobal_Select);
            activityItems.Add( 1, Resource.autoContinuousMeasure );
            activityItems.Add( 2, Resource.indirectMeasure );
            activityItems.Add( 3, Resource.selfEstimate );
            //tempd.activityItems = activityItems;
            //List<SelectListItem> emitParaItems = new List<SelectListItem>();
            //emitParaItems.Add(0, Resource.StaticLabelGlobal_Select);
            emitParaItems.Add( 1, Resource.measureEnergyBalance );
            emitParaItems.Add( 2, Resource.sameSituationExperience );
            emitParaItems.Add( 3, Resource.factorFromManufacturer );
            emitParaItems.Add( 4, Resource.regionEmissionFactor );
            emitParaItems.Add( 5, Resource.nationEmissionFactor );
            emitParaItems.Add( 6, Resource.internationalFactor );
            //ViewBag.emitParaItems = emitParaItems;
            log = NLog.LogManager.GetCurrentClassLogger();
        }

        /**
         * Shared code for LCA SaveHeader API
         */
        protected HttpResponseMessage SaveSheetHeader(WeeeSheetDataService service, Categories category, SheetHeader header)
        {
            if (!ModelState.IsValid)
            {
                return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
            }
            header.Category = category;
            service.SaveSheetHeader(header);
            return Request.CreateResponse(HttpStatusCode.OK, 0);
        }

        protected HttpResponseMessage SaveSheetHeader(WaterUsageDataService service, Categories category, SheetHeader header)
        {
            if (!ModelState.IsValid)
            {
                return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
            }
            header.Category = category;
            service.SaveSheetHeader(header);
            return Request.CreateResponse(HttpStatusCode.OK, 0);
        }

        protected string GetCurrentUserId()
        {
            var principal = User as ClaimsPrincipal;
            var claim = principal.FindFirst(ClaimTypes.NameIdentifier);
            return claim != null ? claim.Value : null;
        }
        protected string getBaseUrl() {
            string baseUrl = Request.RequestUri.ToString();//.GetLeftPart(UriPartial.Authority);

            //Logger log = NLog.LogManager.GetCurrentClassLogger();
            //log.Info($"getBaseUrl {Request.RequestUri} {baseUrl}");

            string actPath = HttpContext.Current.Request.Url.Authority;
            string protocolName;
            if (HttpContext.Current.Request.IsSecureConnection)
                protocolName = "https://";
            else
                protocolName = "http://";
            string removeLeft = protocolName + actPath;
            if (baseUrl.IndexOf(removeLeft)==0)
                baseUrl = baseUrl.Substring(removeLeft.Length, baseUrl.Length-removeLeft.Length);
            else {
                return "";
            }
            //log.Info($"getBaseUrl 2 {baseUrl} {protocolName} {actPath}");
            if (baseUrl.Length > 0) {
                string[] words = baseUrl.Split('/');
                if (words.Length > 0) {
                    if (words[1] == "api")
                        baseUrl = "";
                    else
                        baseUrl = "/" + words[1];
                }
                else
                    baseUrl = "";
                //if (baseUrl.Substring(baseUrl.Length - 1) == "/")
                //    baseUrl = baseUrl.Substring(0, baseUrl.Length - 1);
            }
            //log.Info($"getBaseUrl 3 {baseUrl}");
            return baseUrl;
        }
    }
}