using System;

using Fab2ApprovalSystem.Models;

namespace Fab2ApprovalSystem.Misc;

internal class FTPWrapper {

    private readonly string _OutputFile;
    private readonly string _DestinationFileName;
    private readonly AppSettings _AppSettings;

    public FTPWrapper(AppSettings appSettings, string outputFile, string destinationFileName) {
        _OutputFile = outputFile;
        _AppSettings = appSettings;
        _DestinationFileName = destinationFileName;
    }

    public void FTPToSPN() {
        FTP ftpLib = new();

        // Connect to the FTP server
        try {
            ftpLib.Connect(_AppSettings.FTPServer, _AppSettings.FTPUser, _AppSettings.FTPPassword);
        } catch (Exception ec) {
            Functions.WriteEvent(_AppSettings, "Listener - ProcessFile(): FTP Connection Error " + _OutputFile + " - " + ec.Source +
                ": " + ec.Message, System.Diagnostics.EventLogEntryType.Error);
        }

        // Upload the file
        try {
            int pct = 0;
            ftpLib.OpenUpload(_OutputFile, _DestinationFileName);
            while (ftpLib.DoUpload() > 0)
                pct = (int)((ftpLib.BytesTotal * 100) / ftpLib.FileSize);
            Functions.WriteEvent(_AppSettings, _OutputFile + " was sucessfully FTPed to SPN.", System.Diagnostics.EventLogEntryType.Information);
        } catch (Exception eu) {
            Functions.WriteEvent(_AppSettings, "MRB - FTPToSPN(): FTP Upload Error " + _OutputFile + " - " + eu.Source +
                ": " + eu.Message, System.Diagnostics.EventLogEntryType.Error);
            throw new Exception(eu.Source + ": " + eu.Message);
        }

    }

}