/*
 *  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');

  this.uploads = [];
};

Rivendell.Importer.prototype.resetModal = function() {
  $('div.modal-header h4', this.$el).text("Datei auswählen...");
  $('.modal-body', this.$el).css("background-image", "url('/img/dz-backdrop.png')");
  $('#uploadModal-confirm', this.$el).attr('disabled','disabled').off('click');
};

Rivendell.Importer.prototype.openModal = function(group, groupView, createCart, useMetadata) {
  this.resetModal();

  if (createCart === undefined) {
    createCart = false;
  }

  if (useMetadata === undefined) {
    useMetadata = false;
  }

  var $form = $('<form>');
  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, groupView, createCart, useMetadata);
      });
    }
  });

  this.uploads.push(dropzone);

  $('.modal-body', this.$el).empty().append($form);
  this.$el.modal({keyboard: true});
};

Rivendell.Importer.prototype.importFileAdded = function(dropzone, file, group, groupView, createCart, useMetadata) {
  // wtf? remove accepted files?
  /*$(dropzone.getAcceptedFiles()).each(function(index, elem) {
    dropzone.removeFile(elem);
  });*/

  $('div.modal-body', this.$el).css("background-image", "url('/img/audio_file.png')");
  $('div.modal-header h4', this.$el).text(file.name);

  var self = this;
  $('#uploadModal-confirm', this.$el).off('click').on('click', function() {
    self.importCartConfirm(dropzone, group, groupView, createCart, useMetadata);
  }).removeAttr('disabled');
};

Rivendell.Importer.prototype.importCartConfirm = function(dropzone, group, groupView, createCart, useMetadata) {
  this.$el.modal('hide');

  //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, dropzone); });
  //cart_row.replaceWith(importing_row);

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

  if (createCart) {
    rdxport.addCart(group.groupName, 'audio', null, function(cartXML) {
      var cart = new Rivendell.Cart(cartXML, group);
      self.importAddCut(dropzone, group, files[0], createCart, cart, useMetadata);
    });
  } else {
    var cart = group.mainCart;
    self.importAddCut(dropzone, group, files[0], createCart, cart, useMetadata);
  }
};

Rivendell.Importer.prototype.importFileUploadSuccess = function(dropzone, file, group) {
  dropzone.disable();
  this.uploads = $.grep(this.uploads, function(element) {
    return element !== dropzone;
  });
  group.fetchCarts();
};

Rivendell.Importer.prototype.importFileUploadError = function(dropzone, 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);
  dropzone.removeFile(file);
  dropzone.disable();
  this.uploads = $.grep(this.uploads, function(element) {
    return element !== dropzone;
  });
};

Rivendell.Importer.prototype.importAddCut = function(dropzone, group, file, createCart, cart, useMetadata) {
  rdxport.addAndEditCut(cart.number, {DESCRIPTION: file.name}, function(cutXml) {
    group.fetchCarts();
    dropzone.on('sending', function(file, xhr, formData) {
      var cutNumber = $('cutNumber', cutXml).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);
      if (useMetadata) {
        formData.append('USE_METADATA', 1);
      } else {
        formData.append('USE_METADATA', 0);
      }
    });
    dropzone.processQueue();
  }).fail(function(xhr, status, err) {
    self.importFileUploadError(dropzone, file, err, xhr);
    if (createCart) {
      rdxport.removeCart(cart.number);
    }
  });
};