using Resources;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Web.Http;
using System.Web.Http.ModelBinding;
using Weee.Filter;
using Weee.Models;
using Weee.Service;
using Weee.ViewModels.DataTransferObject;

namespace Weee.Controllers.Api.RiskAssmt
{
    public class LifecycleAssmtController : ApiControllerBase
    {
        private readonly LifecycleAssmtDataService service;

        public LifecycleAssmtController(LifecycleAssmtDataService d) : base(d)
        {
            service = d;
        }

        [Route("api/LifecycleAssmt/GetByLcaId/{LCAID}")]
        //[Filter.ApiMultilanguage]disable obsolete warning, not sure OK or not
        public object GetByLcaId(int LCAID)
        {
            //var type = service.GetLCAType(LCAID);
            var query = service.GetList(LCAID);

            query = query.OrderBy(x => x.LifeCycleStage).ThenBy(x=>x.MaterialNo).ThenBy(x => x.ID);
            //var items = service.GetItems();

            return new
            {
                Analysis = query.ToList(),
                StageOptions = new Dictionary<int, string>(){
                                    { 1, Resource.LifecycleAssmt_materialFromUpstream},//原料取得
                                    { 2, Resource.LifecycleAssmt_upstreamTrasnport},//上游運輸
                                    { 3, Resource.LifecycleAssmt_operationOrServiceUse},//運作支援及服務
                                    { 4, Resource.LifecycleAssmt_downstreamTransport},//下游運輸
                                    { 5, Resource.LifecycleAssmt_productUsageAndDisposal},//產品使用及廢棄
                                    { 6, Resource.LifecycleAssmt_wasteTreatment},//廢棄物處理
                                    { 7, Resource.LifecycleAssmt_others},//其他
                                },
                //SheetHeader = service.GetSheetHeader(LCAID, Categories.Refrigerant)
            };
        }
        /// <summary>
        /// life cycle stage (with or without category) to key value dictionary
        /// </summary>
        /// <param name="LCS"></param>
        /// <returns></returns>
        [Route("api/LifecycleAssmt/LCScat2keyValues/{LCScat}")]
        [HttpGet]
        //[Filter.ApiMultilanguage]disable obsolete warning, not sure OK or not
        public object LCScat2keyValues(int LCScat)
        {
            Dictionary<string, string> retKeyValues = new Dictionary<string, string>();
            switch (LCScat+"")
            {
                case "1":
                    retKeyValues.Add("14", Resource.LifecycleAssmt_Category4);
                    break;
                case "2":
                    retKeyValues.Add("23", Resource.LifecycleAssmt_Category3);
                    break;
                case "3":
                    retKeyValues.Add("32", Resource.LifecycleAssmt_Category2);
                    retKeyValues.Add("34", Resource.LifecycleAssmt_Category4);
                    break;
                case "4":
                    retKeyValues.Add("43", Resource.LifecycleAssmt_Category3);
                    break;
                case "5":
                    retKeyValues.Add("55", Resource.LifecycleAssmt_Category5);
                    break;
                case "6":
                    retKeyValues.Add("64", Resource.LifecycleAssmt_Category4);
                    break;
                case "7":
                    retKeyValues.Add("76", Resource.LifecycleAssmt_others);
                    break;
                case "14":
                    retKeyValues.Add("4.1a", Resource.LifecycleAssmt_goodsPurchasedByTheOrganization);
                    break;
                //case "16":
                //    retKeyValues.Add("6", "其他");
                //    break;
                case "23":
                    retKeyValues.Add("3.1", Resource.LifecycleAssmt_goodsUpstreamTransportAndDistribution);
                    retKeyValues.Add("3.3", Resource.LifecycleAssmt_employeeCommuting);
                    retKeyValues.Add("3.4", Resource.LifecycleAssmt_clientOrVisitorsTransport);
                    retKeyValues.Add("3.5", Resource.LifecycleAssmt_businessTravel);
                    break;
                //case "26":
                //    retKeyValues.Add("6", "其他");
                //    break;
                case "32":
                    retKeyValues.Add("2.1", Resource.LifecycleAssmt_importedElectricity);
                    retKeyValues.Add("2.2", Resource.LifecycleAssmt_importedEnergy);
                    break;
                case "34":
                    retKeyValues.Add("4.1b", Resource.LifecycleAssmt_upstreamImportedElectricity);
                    retKeyValues.Add("4.1b2", Resource.LifecycleAssmt_upstreamImportedEnergy);
                    retKeyValues.Add("4.2", Resource.LifecycleAssmt_emissionsFromCapitalGoods);
                    retKeyValues.Add("4.4", Resource.LifecycleAssmt_equipmentLeasedByTheOrganization);
                    retKeyValues.Add("4.5", Resource.LifecycleAssmt_servicesUsedByTheOrganization);
                    retKeyValues.Add("4.6", Resource.LifecycleAssmt_disposalOfWaste);
                    retKeyValues.Add("4.7", Resource.LifecycleAssmt_usageOfWater);
                    break;
                //case "36":
                //    retKeyValues.Add("6", "其他");
                //    break;
                case "43":
                    retKeyValues.Add("3.2", Resource.LifecycleAssmt_goodsDownstreamTransportAndDistribution);
                    retKeyValues.Add("3.3", Resource.LifecycleAssmt_wasteTransportation);
                    break;
                //case "46":
                //    retKeyValues.Add("6", "其他");
                //    break;
                case "55":
                    retKeyValues.Add("5.1", Resource.LifecycleAssmt_useStageOfTheProduct);
                    retKeyValues.Add("5.2", Resource.LifecycleAssmt_downstreamLeasedAssets);
                    retKeyValues.Add("5.3", Resource.LifecycleAssmt_endOfLifeStageOfTheProduct);
                    retKeyValues.Add("5.4", Resource.LifecycleAssmt_investment);
                    break;
                //case "56":
                //    retKeyValues.Add("6", "其他");
                //    break;
                case "64":
                    retKeyValues.Add("4.3", Resource.LifecycleAssmt_disposalOfSolidAndLiquidWaste);
                    break;
                //case "66":
                //    retKeyValues.Add("6", "其他");
                //    break;
                case "76":
                    retKeyValues.Add("6", Resource.LifecycleAssmt_others);
                    break;
                default:
                    break;
            }

            return new
            {
                keyValues = retKeyValues,
                //SheetHeader = service.GetSheetHeader(LCAID, Categories.Refrigerant)
            };
        }

        [Route("api/LifecycleAssmt/Sync/{LCAID}")]
        [HttpPost]
        public object Sync(int LCAID, UpdateLIfecycleAssmtDTO input)
        {
            return new 
            {
                Analysis = service.Sync(LCAID, input)
            };
        }

        [Route("api/LifecycleAssmt/Save/{LCAID}/{id}")]
        [HttpPost]
        public object Save(int LCAID, int id, LCARiskAssmtSurveyForm_LifecycleAssmt ToBeSave)
        {
            //ToBeSave.ReferenceFileUrl =getBaseUrl()+ ToBeSave.ReferenceFileUrl;
            if (!ModelState.IsValid) 
            {
                List<ModelError> allErrors = ModelState.Values.SelectMany(v => v.Errors).ToList();
                return BadRequest(allErrors[0].Exception.Message); 
            }
            if (id != ToBeSave.ID || LCAID != ToBeSave.LCAID) { return BadRequest(); }
            service.Save(ToBeSave);
            return ToBeSave;
        }

        [Route("api/LifecycleAssmt/SaveAll")]
        [HttpPost]
        public object SaveAll(List<LCARiskAssmtSurveyForm_LifecycleAssmt> toBeSave)
        {
            //foreach(var item in toBeSave)
            //{
            //    item.EmissionKg = item.ActivityIntensity * item.KgCO2e;
            //    item.EmissionT = item.EmissionKg / 1000;
            //}
            //foreach(var item in ModelState.Values)
            //{
            //    item.Value.re
            //}
            //ModelState.Remove("EmissionKg");
            //ModelState.Remove("EmissionT");
            if (!ModelState.IsValid)
            {
                List<ModelError> allErrors = ModelState.Values.SelectMany(v => v.Errors).ToList();
                return BadRequest(allErrors[0].Exception.Message);
            }
            var errMsg = "";
            for(var i = toBeSave.Count - 1; i >= 0; i--)
            {
                try
                {
                    service.Save(toBeSave[i]);
                }
                catch (Exception ex)
                {
                    if (!string.IsNullOrWhiteSpace(errMsg))
                        errMsg += "、";
                    errMsg += $"[{toBeSave[i].GHGEvaluateItem}]";
                    toBeSave.RemoveAt(i);
                }
            }
            if (!string.IsNullOrWhiteSpace(errMsg))
                errMsg = $"同一生命周期，評估項目 {errMsg} 不能重複，故不進行引用。";
            return new { result = toBeSave, errMsg = errMsg };
        }

        [Route("api/LifecycleAssmt/Delete/{ID}")]
        [HttpDelete]
        public IHttpActionResult Delete(int ID)
        {
            service.Delete(ID);
            return Ok();
        }
    }
}