using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace bnhtrade.Core.Logic.Account
{
    public class GetTaxCodeInfo
    {
        private Data.Database.Account.ReadTaxCode dbRead;

        public GetTaxCodeInfo()
        {
            dbRead = new Data.Database.Account.ReadTaxCode();
        }

        public List<Model.Account.TaxCodeInfo> GetAllActive()
        {
            return dbRead.GetAllActive();
        }

        public List<Model.Account.TaxCodeInfo> GetByTaxCode(List<string> taxCodeList)
        {
            return dbRead.GetByTaxCode(taxCodeList);
        }

        public Model.Account.TaxCodeInfo GetByTaxCode(string taxCode)
        {
            var temp = GetByTaxCode(new List<string> { taxCode });
            if (temp.Any())
            {
                return temp[0];
            }
            else
            {
                return null;
            }
        }

        /// <summary>
        /// Gets list of Tax Code Info for a given list of Sku Numbers
        /// </summary>
        /// <param name="skuNumberList">List of SKU numbers</param>
        /// <returns>Dictionary, key is SkuNumber and value is Tax Code Info</returns>
        public Dictionary<string, Model.Account.TaxCodeInfo> GetBySkuNumber(List<string> skuNumberList)
        {
            var returnList = new Dictionary<string, Model.Account.TaxCodeInfo>();

            if (skuNumberList == null || !skuNumberList.Any())
            {
                return returnList;
            }

            // get db list
            var dbList = dbRead.GetTaxCodeBySkuNumber(skuNumberList);

            // build dictionary
            foreach (var item in dbList)
            {
                var taxInfo = GetByTaxCode(item.Value);
                if (taxInfo != null)
                {
                    returnList.Add(item.Key, taxInfo);
                }
            }

            return returnList;
        }

        public bool AddToSkuInfo(List<Model.Sku.Sku> skuList)
        {
            bool missionSuccess = true;

            if (skuList == null || !skuList.Any())
            {
                return true;
            }

            // get list of sku numbers to condition codes
            var lookupDictionary = GetBySkuNumber(skuList.Select(x => x.SkuNumber).ToList());

            for (int i = 0; i < skuList.Count; i++)
            {
                if (lookupDictionary.ContainsKey(skuList[i].SkuNumber))
                {
                    skuList[i].TaxCodeInfo = lookupDictionary[skuList[i].SkuNumber];
                }
                else
                {
                    missionSuccess = false;
                }
            }

            return missionSuccess;
        }

        public Dictionary<string, Model.Account.TaxCodeInfo> ConvertToDictionary(List<Model.Account.TaxCodeInfo> taxCodeList)
        {
            var returnDict = new Dictionary<string, Model.Account.TaxCodeInfo>();

            if (taxCodeList == null)
            {
                return returnDict;
            }

            foreach (var taxCode in taxCodeList)
            {
                if (!returnDict.ContainsKey(taxCode.TaxCode))
                {
                    returnDict.Add(taxCode.TaxCode, taxCode);
                }
            }
            return returnDict;
        }
    }
}