/*global isPhoneNumberValid, unescape */
/*exported VuFind, htmlEncode, deparam, moreFacets, lessFacets, phoneNumberFormHandler, bulkFormHandler */

// IE 9< console polyfill
window.console = window.console || {log: function polyfillLog() {}};

var VuFind = (function VuFind() {
  var defaultSearchBackend = null;
  var path = null;
  var _initialized = false;
  var _submodules = [];
  var _translations = {};

  var register = function register(name, module) {
    if (_submodules.indexOf(name) === -1) {
      _submodules.push(name);
      this[name] = typeof module == 'function' ? module() : module;
    }
    // If the object has already initialized, we should auto-init on register:
    if (_initialized && this[name].init) {
      this[name].init();
    }
  };
  var init = function init() {
    for (var i = 0; i < _submodules.length; i++) {
      if (this[_submodules[i]].init) {
        this[_submodules[i]].init();
      }
    }
    _initialized = true;
  };

  var addTranslations = function addTranslations(s) {
    for (var i in s) {
      if (s.hasOwnProperty(i)) {
        _translations[i] = s[i];
      }
    }
  };
  var translate = function translate(op) {
    return _translations[op] || op;
  };

  //Reveal
  return {
    defaultSearchBackend: defaultSearchBackend,
    path: path,

    addTranslations: addTranslations,
    init: init,
    register: register,
    translate: translate
  };
})();

/* --- GLOBAL FUNCTIONS --- */
function htmlEncode(value) {
  if (value) {
    return $('<div />').text(value).html();
  } else {
    return '';
  }
}
function extractClassParams(selector) {
  var str = $(selector).attr('class');
  if (typeof str === "undefined") {
    return [];
  }
  var params = {};
  var classes = str.split(/\s+/);
  for (var i = 0; i < classes.length; i++) {
    if (classes[i].indexOf(':') > 0) {
      var pair = classes[i].split(':');
      params[pair[0]] = pair[1];
    }
  }
  return params;
}
// Turn GET string into array
function deparam(url) {
  if (!url.match(/\?|&/)) {
    return [];
  }
  var request = {};
  var pairs = url.substring(url.indexOf('?') + 1).split('&');
  for (var i = 0; i < pairs.length; i++) {
    var pair = pairs[i].split('=');
    var name = decodeURIComponent(pair[0].replace(/\+/g, ' '));
    if (name.length === 0) {
      continue;
    }
    if (name.substring(name.length - 2) === '[]') {
      name = name.substring(0, name.length - 2);
      if (!request[name]) {
        request[name] = [];
      }
      request[name].push(decodeURIComponent(pair[1].replace(/\+/g, ' ')));
    } else {
      request[name] = decodeURIComponent(pair[1].replace(/\+/g, ' '));
    }
  }
  return request;
}

// Sidebar
function moreFacets(id) {
  $('.' + id).removeClass('hidden');
  $('#more-' + id).addClass('hidden');
  return false;
}
function lessFacets(id) {
  $('.' + id).addClass('hidden');
  $('#more-' + id).removeClass('hidden');
  return false;
}

// Phone number validation
function phoneNumberFormHandler(numID, regionCode) {
  var phoneInput = document.getElementById(numID);
  var number = phoneInput.value;
  var valid = isPhoneNumberValid(number, regionCode);
  if (valid !== true) {
    if (typeof valid === 'string') {
      valid = VuFind.translate(valid);
    } else {
      valid = VuFind.translate('libphonenumber_invalid');
    }
    $(phoneInput).siblings('.help-block.with-errors').html(valid);
    $(phoneInput).closest('.form-group').addClass('sms-error');
    return false;
  } else {
    $(phoneInput).closest('.form-group').removeClass('sms-error');
    $(phoneInput).siblings('.help-block.with-errors').html('');
  }
}

function bulkFormHandler(event, data) {
  if ($('.checkbox-select-item:checked,checkbox-select-all:checked').length === 0) {
    VuFind.lightbox.alert(VuFind.translate('bulk_noitems_advice'), 'danger');
    return false;
  }
  for (var i in data) {
    if ('print' === data[i].name) {
      return true;
    }
  }
}

// Ready functions
function setupOffcanvas() {
  if ($('.sidebar').length > 0) {
    $('[data-toggle="offcanvas"]').click(function offcanvasClick() {
      $('body.offcanvas').toggleClass('active');
      var active = $('body.offcanvas').hasClass('active');
      var right = $('body.offcanvas').hasClass('offcanvas-right');
      if ((active && !right) || (!active && right)) {
        $('.offcanvas-toggle .fa').removeClass('fa-chevron-right').addClass('fa-chevron-left');
      } else {
        $('.offcanvas-toggle .fa').removeClass('fa-chevron-left').addClass('fa-chevron-right');
      }
      $('.offcanvas-toggle .fa').attr('title', VuFind.translate(active ? 'sidebar_close' : 'sidebar_expand'));
    });
    $('[data-toggle="offcanvas"]').click().click();
  } else {
    $('[data-toggle="offcanvas"]').addClass('hidden');
  }
}

function setupAutocomplete() {
  // Search autocomplete
  $('.autocomplete').each(function autocompleteSetup(i, op) {
    $(op).autocomplete({
      maxResults: 10,
      loadingString: VuFind.translate('loading') + '...',
      handler: function vufindACHandler(input, cb) {
        var query = input.val();
        var searcher = extractClassParams(input);
        var hiddenFilters = [];
        $(input).closest('.searchForm').find('input[name="hiddenFilters[]"]').each(function hiddenFiltersEach() {
          hiddenFilters.push($(this).val());
        });
        $.fn.autocomplete.ajax({
          url: VuFind.path + '/AJAX/JSON',
          data: {
            q: query,
            method: 'getACSuggestions',
            searcher: searcher.searcher,
            type: searcher.type ? searcher.type : $(input).closest('.searchForm').find('.searchForm_type').val(),
            hiddenFilters: hiddenFilters
          },
          dataType: 'json',
          success: function autocompleteJSON(json) {
            if (json.data.length > 0) {
              var datums = [];
              for (var j = 0; j < json.data.length; j++) {
                datums.push(json.data[j]);
              }
              cb(datums);
            } else {
              cb([]);
            }
          }
        });
      }
    });
  });
  // Update autocomplete on type change
  $('.searchForm_type').change(function searchTypeChange() {
    var $lookfor = $(this).closest('.searchForm').find('.searchForm_lookfor[name]');
    $lookfor.autocomplete('clear cache');
  });
}

/**
 * Handle arrow keys to jump to next record
 * @returns {undefined}
 */
function keyboardShortcuts() {
  var $searchform = $('.searchForm_lookfor');
  if ($('.pager').length > 0) {
    $(window).keydown(function shortcutKeyDown(e) {
      if (!$searchform.is(':focus')) {
        var $target = null;
        switch (e.keyCode) {
        case 37: // left arrow key
          $target = $('.pager').find('a.previous');
          if ($target.length > 0) {
            $target[0].click();
            return;
          }
          break;
        case 38: // up arrow key
          if (e.ctrlKey) {
            $target = $('.pager').find('a.backtosearch');
            if ($target.length > 0) {
              $target[0].click();
              return;
            }
          }
          break;
        case 39: //right arrow key
          $target = $('.pager').find('a.next');
          if ($target.length > 0) {
            $target[0].click();
            return;
          }
          break;
        case 40: // down arrow key
          break;
        }
      }
    });
  }
}

$(document).ready(function commonDocReady() {
  // Start up all of our submodules
  VuFind.init();
  // Setup search autocomplete
  setupAutocomplete();
  // Off canvas
  setupOffcanvas();
  // Keyboard shortcuts in detail view
  keyboardShortcuts();

  // support "jump menu" dropdown boxes
  $('select.jumpMenu').change(function jumpMenu(){ $(this).parent('form').submit(); });

  // Checkbox select all
  $('.checkbox-select-all').change(function selectAllCheckboxes() {
    $(this).closest('form').find('.checkbox-select-item').prop('checked', this.checked);
  });
  $('.checkbox-select-item').change(function selectAllDisable() {
    $(this).closest('form').find('.checkbox-select-all').prop('checked', false);
  });

  // handle QR code links
  $('a.qrcodeLink').click(function qrcodeToggle() {
    if ($(this).hasClass("active")) {
      $(this).html(VuFind.translate('qrcode_show')).removeClass("active");
    } else {
      $(this).html(VuFind.translate('qrcode_hide')).addClass("active");
    }

    var holder = $(this).next('.qrcode');
    if (holder.find('img').length === 0) {
      // We need to insert the QRCode image
      var template = holder.find('.qrCodeImgTag').html();
      holder.html(template);
    }
    holder.toggleClass('hidden');
    return false;
  });

  // Print
  var url = window.location.href;
  if (url.indexOf('?' + 'print' + '=') !== -1 || url.indexOf('&' + 'print' + '=') !== -1) {
    $("link[media='print']").attr("media", "all");
    $(document).ajaxStop(function triggerPrint() {
      window.print();
    });
    // Make an ajax call to ensure that ajaxStop is triggered
    $.getJSON(VuFind.path + '/AJAX/JSON', {method: 'keepAlive'});
  }

  // Advanced facets
  $('.facetOR').click(function facetBlocking() {
    $(this).closest('.collapse').html('<div class="list-group-item">' + VuFind.translate('loading') + '...</div>');
    window.location.assign($(this).attr('href'));
  });
});