/*
 *  rhwebimport
 *
 *  Copyright (C) 2014-2016 Christian Pointner <equinox@helsinki.at>
 *  Copyright (C) 2015-2016 Peter Grassberger <petertheone@gmail.com>
 *
 *  This file is part of rhwebimport.
 *
 *  rhwebimport is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  any later version.
 *
 *  rhwebimport is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with rhwebimport. If not, see <http://www.gnu.org/licenses/>.
 */

'use strict';

var Rivendell = Rivendell || {};

Rivendell.Importer = function() {
  this.$el = $('#uploadModal');
};

Rivendell.Importer.prototype.showUploadModal = function(group) {
  $('div.modal-header h3', this.$el).text("Datei auswählen...");
  var form = $('<form>');
  $('.modal-body', uploadModal).empty().append(form).css("background-image", "url('/img/dz-backdrop.png')");
  var self = this;
  var dropzone = form.dropzone({
    url: '/rd-bin/rdxport.cgi',
    parallelUploads: 1,
    maxFilesize: 2048,
    paramName: 'FILENAME',
    uploadMultiple: false, // todo: maybe enable this?
    clickable: true,
    createImageThumbnails: false,
    acceptedFiles: '.flac,.wav,.ogg,.mp3',
    autoProcessQueue: false,
    init: function() {
      this.on("addedfile", function(file) {
        self.importFileAdded(this, file, group);
      });
      this.on("error", function(file, msg) {
        self.importFileSelectError(this, file, msg);
      });
    }
  });

  this.$el.modal({keyboard: true});
};

Rivendell.Importer.prototype.importFileAdded = function(dropzone, file, group) {
  $(dropzone.getAcceptedFiles()).each(function(idx, elem) { dropzone.removeFile(elem); });

  $('div.modal-body', this.$el).css("background-image", "url('/img/audio_file.png')");
  $('div.modal-header h3', this.$el).text(file.name);
  var self = this;
  $('#uploadModal-confirm', this.$el).unbind('click').click(function() {
    self.importCartConfirm(dropzone, group);
  }).removeAttr('disabled');
};

Rivendell.Importer.prototype.importFileSelectError = function(dropzone, file, msg) {
  $('div.modal-header h3', this.$el).text("Datei auswählen...");
  $('div.modal-body', this.$el).css("background-image", "url('/img/dz-backdrop.png')");
  $('#uploadModal-confirm', this.$el).attr('disabled','disabled').unbind('click');
  dropzone.removeFile(file);
};

Rivendell.Importer.prototype.importCartConfirm = function(dz, group) {
  this.$el.modal('hide');

  //var progressBar = group.addUpload();



  //var cart_row = $('#show-cart-' + cart);
  //cart_row.find('.btn').attr('disabled','disabled');
  //var importing_row = jingles_newImportingEntry(cart);
  //importing_row.find('button').unbind('click').click(function() { jingles_importCartCancel(cart, dz); });
  //cart_row.replaceWith(importing_row);

  dz.off("error");
  var files = dz.getAcceptedFiles();
  //importing_row.find('.file-name').text(files[0].name);
  //jingles_importUpdateProgress(files[0], importing_row);
  var self = this;
  dz.on('uploadprogress', function(file) { self.uploadProgress(file); });
  dz.on('success', function(file) {
    self.importFileUploadSuccess(dz, file, group);
  });
  dz.on('error', function(file, msg, xhr) {
    self.importFileUploadError(this, file, msg, xhr);
  });
  /*$(files).each(function(index, file) {
   self.importAddCut(dz, group, file);
   });*/
  self.importAddCut(dz, group, files[0]);
};

Rivendell.Importer.prototype.uploadProgress = function(file) {
  if (!file.cartNumber || !file.cutNumber) {
    return;
  }
  var $cut = $('#jingle-' + file.cartNumber + '-' + file.cutNumber).first();
  if (!$cut.hasClass('uploading')) {
    var $progressBar = $('.progressBarTemplate').clone().removeClass('progressBarTemplate');
    $cut.html($progressBar.html());
    $cut.addClass('uploading');
  }

  if(file.upload.progress < 99) {
    var bytes_str = Number((file.upload.bytesSent/1024)/1024).toFixed(1) + " von " +
        Number((file.upload.total/1024)/1024).toFixed(1) + " MB";
    $cut.find('.file-bytes').text(bytes_str);
    $cut.find('.progress .bar').css("width", file.upload.progress + "%");
  } else {
    $cut.find('.file-bytes').text('importiere...');
    $cut.find('.progress .bar').css('width', '100%');
    $cut.find('.progress').addClass('progress-striped').addClass('active');
  }
};

Rivendell.Importer.prototype.importFileUploadSuccess = function(dz, file, group) {
  //var command = { LOGIN_NAME: auth_username, PASSWORD: auth_token, DESCRIPTION: file. };

  //jingles_updateGroupCartInfo(cart);
  dz.disable();
  //progressBar.remove();
  group.fetchCarts();
  //$(this.currentGroup.mainCart).trigger('add');
};

Rivendell.Importer.prototype.importFileUploadError = function(dz, file, msg, xhr) {
  //var error_row = jingles_newImportErrorEntry(cart, msg);
  //error_row.find('button').unbind('click').click(function() {
  //jingles_deleteCart(cart);
  //});
  //$('#show-cart-' + cart).replaceWith(error_row);
  //error_row.find('.file-name').text(file.name);
  dz.disable();
};

Rivendell.Importer.prototype.importAddCut = function(dz, group, file) {
  var cart = group.mainCart;
  rivendell.addAndEditCut(cart.number, {DESCRIPTION: file.name}, function(cutXml) {
    group.fetchCarts();
    dz.on('sending', function(file, xhr, formData) {
      var cutNumber = $(cutXml).find('cutNumber').text();
      var cutNumberLeading = cutNumber;
      switch (cutNumber.toString().length) {
        case 0: cutNumberLeading = '000' + cutNumber; break;
        case 1: cutNumberLeading = '00' + cutNumber; break;
        case 2: cutNumberLeading = '0' + cutNumber; break;
        case 3: default: cutNumberLeading = cutNumber; break;
      }
      file.cartNumber = cart.number;
      file.cutNumber = cutNumberLeading;

      formData.append('COMMAND', 2);
      formData.append('LOGIN_NAME', auth_username);
      formData.append('PASSWORD', auth_token);
      formData.append('CART_NUMBER', cart.number);
      formData.append('CUT_NUMBER', cutNumber);
      formData.append('CHANNELS', 2);
      formData.append('NORMALIZATION_LEVEL', cart.normlevel);
      formData.append('AUTOTRIM_LEVEL', cart.trimlevel);
      formData.append('USE_METADATA', 0); // don't set USE_METADATA 1 for jingles
    });
    dz.processQueue();
  }).fail(function(xhr, status, err) {
    self.importFileUploadError(cart, dz, file, err, xhr);
  });
};