using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Web;
using System.Web.UI.WebControls;

using NCM2.Core.Utilities;
using NCM2.Component.Member.Web.Downloads;

namespace NCM2.Web.MemberSite
{
    public class PTAProductPageHelper
    {
        public static bool VerifyWebPTAExists(string memberGroupNumber, string memberNumber, string memberZipcode)
        {
            return GetWebPTAFiles(memberGroupNumber, memberNumber, memberZipcode).Count > 0;
        }

        public static ICollection<string> GetWebPTAFiles(string memberGroupNumber, string memberNumber, string memberZipCode)
        {
#if DEBUG
            string _path = @"c:\ncmsecure";
#else
            string _path = NCMDirectory.GetPath("WEBCOMPOSITE");
#endif
            string FileDirectory = _path + "\\WebPTA";
            string searchString = memberGroupNumber + memberNumber + memberZipCode.Substring(0, 3);
            if (System.IO.Directory.Exists(FileDirectory))
            {
                string[] files = System.IO.Directory.GetFiles(FileDirectory);
                var memberFiles = from x in files
                                  where x.Substring(FileDirectory.Length + 1, 9) == searchString
                                  select x;
                return new List<string>(memberFiles);
            }
            else
            {
                return new List<string>();
            }
        }

        public static bool TryGetPickListForPTADashboard(out ICollection<KeyValuePair<string, string>> pickList)
        {
            SessionManager session = SessionManager.GetSessionManager();
#if DEBUG
            string path = @"c:\ncmsecure";
#else
            string path = NCMDirectory.GetPath("WEBCOMPOSITE");
#endif

            PTADashboardDownloads downloads = new PTADashboardDownloads(path, session.MemberGroupNumber, session.MemberNumber, session.MemberZipCode);
            List<string> fileList = downloads.GetFilesDesc();
            pickList = new List<KeyValuePair<string, string>>();
            foreach (string file in fileList)
            {
                string displayText;
                string valueText;
                DateTime fileDate;
                string fileName = Path.GetFileName(file);

                valueText = fileName.Substring(18, 4);
                fileDate = DateTime.Parse(string.Format("{0}/1/{1}", fileName.Substring(18, 2), fileName.Substring(20, 2)));
                displayText = fileDate.ToString("MMM yyyy");
                pickList.Add(new KeyValuePair<string, string>(valueText, displayText));
            }
            return pickList.Count > 0;
        }

        public static bool TryGetLatestMonthYearForPTADashboard(out string monthYear)
        {
            ICollection<KeyValuePair<string, string>> ptaPickList;
            bool hasValueToReturn = TryGetPickListForPTADashboard(out ptaPickList);
            if (hasValueToReturn)
            {
                monthYear = ptaPickList.First().Key;
            }
            else
            {
                monthYear = string.Empty;
            }
            return hasValueToReturn;
        }
    }
}