/*!
 * IconPicker ('https://github.com/furcan/IconPicker')
 * Version: 1.5.0
 * Author: Furkan MT ('https://github.com/furcan')
 * Dependencies: Font Awesome Free v5.11.2 (https://fontawesome.com/license/free)
 * Copyright 2019 IconPicker, MIT Licence ('https://opensource.org/licenses/MIT')*
 */

'use strict';

// IconPicker: Default Options on
var ipDefaultOptions = {
  jsonUrl: null,
  searchPlaceholder: 'Search Icon',
  cancelButton: 'Cancel',
  noResultsFound: 'No results found.',
  borderRadius: '20px',
}
var ipNewOptions;
var ipGithubUrl = 'https://github.com/furcan/IconPicker';
// IconPicker: Default Options off

// IconPicker: Extend Options on
var extendIconPicker = function() {
  var extended = {};
  var deep = false;
  var i = 0;
  if (Object.prototype.toString.call(arguments[0]) === '[object Boolean]') {
    deep = arguments[0];
    i++;
  }
  var merge = function(obj) {
    for (var prop in obj) {
      if (obj.hasOwnProperty(prop)) {
        if (deep && Object.prototype.toString.call(obj[prop]) === '[object Object]') {
          extended[prop] = extendIconPicker(extended[prop], obj[prop]);
        } else {
          extended[prop] = obj[prop];
        }
      }
    }
  };
  for (; i < arguments.length; i++) {
    merge(arguments[i]);
  }
  return extended;
};
// IconPicker: Extend Options off


// IconPicker: Main on
var IconPicker = {

  // init
  Init: function(ipUserOptions) {
    ipNewOptions = extendIconPicker(true, ipDefaultOptions, ipUserOptions);
  },

  // run
  Run: function(theButton, theCallback) {

    // IconPicker: Console Error Function on
    var ipConsoleError = function(errorMessage) {
      return console.error('%c IconPicker (Error) ', 'padding:2px;border-radius:20px;color:#fff;background:#f44336', '\n' + errorMessage);
    }
    // IconPicker: Console Error Function off

    // IconPicker: Console Log Function on
    var ipConsoleLog = function(errorMessage) {
      return console.log('%c IconPicker (Info) ', 'padding:2px;border-radius:20px;color:#fff;background:#00bcd4', '\n' + errorMessage);
    }
    // IconPicker: Console Log Function off

    // IconPicker: Check The Arguments For Proceed on
    if (arguments && arguments.length <= 2) {

      // query selector
      var ipButtons = document.querySelectorAll(theButton);

      // if button exist on the document
      if (ipButtons && ipButtons.length > 0) {
        for (var i = 0; i < ipButtons.length; i++) {

          // IconPicker: Button Listeners -> Send XMLHttpRequest on
          var ipButton = ipButtons[i];
          ipButton.addEventListener('click', function() {
            var jsonUrl = ipNewOptions.jsonUrl;
            var inputElement = this.dataset.iconpickerInput;
            var previewElement = this.dataset.iconpickerPreview;
            var cancelButton = ipNewOptions.cancelButton;
            if (!cancelButton || (cancelButton && cancelButton.length < 1)) {
              cancelButton = ipDefaultOptions.cancelButton;
            }
            var searchPlaceholder = ipNewOptions.searchPlaceholder;
            if (!searchPlaceholder || (searchPlaceholder && searchPlaceholder.length < 1)) {
              searchPlaceholder = ipDefaultOptions.searchPlaceholder;
            }
            var borderRadius = ipNewOptions.borderRadius;
            if (!borderRadius || (borderRadius && borderRadius.length < 1)) {
              borderRadius = ipDefaultOptions.borderRadius;
            }

            // check the json url on
            if (!jsonUrl) {
              ipConsoleError('You have to set the path of IconPicker JSON file to "jsonUrl" option. \n\nVisit to learn how: ' + ipGithubUrl);
              return false;
            }
            // check the json url off

            // check the input on
            var checkInput = document.querySelectorAll(inputElement);
            if (checkInput.length <= 0) {
              ipConsoleError('You must define your Input element with it\'s ID or Class Name to your Button element data attribute. \n\nExample: \ndata-iconpicker-input="#MyIconInput" or \ndata-iconpicker-input=".my-icon-input" \n\nVisit to learn how: ' + ipGithubUrl);
              return false;
            }
            // check the input off

            // check the preview icon on
            var checkPreviewIcon = document.querySelectorAll(previewElement);
            if (checkPreviewIcon.length <= 0) {
              ipConsoleLog('You can define your Preview Icon element with it\'s ID or Class Name to your Button element data attribute. \n\nExample: \ndata-iconpicker-preview="i#MyIconElement" or \ndata-iconpicker-preview="i.my-icon-element" \n\nVisit to learn how: ' + ipGithubUrl);
            }
            // check the preview icon off

            // check the callback on
            if (!theCallback && typeof theCallback !== 'function') {
              theCallback = undefined;
            }
            // check the callback off

            getIconListXmlHttpRequest(jsonUrl, cancelButton, searchPlaceholder, borderRadius, inputElement, previewElement, theCallback);

          });
          // IconPicker: Button Listeners -> Send XMLHttpRequest off

        }
      }
      // not exist
      else {
        ipConsoleError('You called the IconPicker with "' + theButton + '" selector, but there is no such element on the document.');
      }

    } else if (arguments && arguments.length > 2) {
      ipConsoleError('More parameters than allowed.');
      return false;
    } else {
      ipConsoleError('You have to call the IconPicker with an Element(Button or etc.) Class or ID. \n\nYou can also find the other required data attributes in the Documentation. \n\nVisit: ' + ipGithubUrl);
      return false;
    }
    // IconPicker: Check The Arguments For Proceed off


    // IconPicker: Get Library from JSON and AppendTo Body on
    var getIconListXmlHttpRequest = function(jsonUrl, buttonCancel, searchPlaceholder, borderRadius, inputElement, previewElement, theCallback) {

      // if chrome browser
      if (navigator.userAgent.toLowerCase().indexOf('chrome') > -1) {
        // check the protocol
        if (window.location.protocol.indexOf('http') <= -1) {
          ipConsoleLog('Chrome Browser blocked this request by CORS policy.');
          return false;
        }
      }

      // modal element
      var ipElement = document.getElementById('IconPickerModal');

      // if modal element doesn't exist on document send XMLHttpRequest
      if (!ipElement) {
        var xmlHttp = new XMLHttpRequest();
        xmlHttp.open('GET', jsonUrl, true);
        xmlHttp.setRequestHeader('Content-type', 'application/json; charset=utf-8');
        xmlHttp.send();
        xmlHttp.onreadystatechange = function() {
          if (this.readyState === 4) {
            if (this.status === 200) { // success
              var data = this.responseText;
              appendIconListToBody(data, buttonCancel, searchPlaceholder, borderRadius, inputElement, previewElement, theCallback);
            } else {
              ipConsoleError('XMLHttpRequest Failed.');
            }
          }
        };
      }
    }
    // IconPicker: Get Library from JSON and AppendTo Body off


    // IconPicker: Append Library to Body on
    var appendIconListToBody = function(data, buttonCancel, searchPlaceholder, borderRadius, inputElement, previewElement, theCallback) {

      // data
      var jsonData = JSON.parse(data);

      // icons
      var icons = '';
      for (var key in jsonData) {
        if (jsonData.hasOwnProperty(key)) {
          var forObj = jsonData[key];
          var icon = '<i data-search="' + forObj + '" data-class="' + forObj + '" class="first-icon select-icon ' + forObj + '"></i>';
          icons += icon;
        }
      }

      // loading indicator
      var loadingIndicator = '<div id="IconPickerLoading"><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="60" height="60" viewBox="0 0 100 100" preserveAspectRatio="xMidYMid"><g transform="translate(25 50)"><circle cx="0" cy="0" r="9" fill="#1e1e1e" transform="scale(0.24 0.24)"><animateTransform attributeName="transform" type="scale" begin="-0.2666s" calcMode="spline" keySplines="0.3 0 0.7 1;0.3 0 0.7 1" values="0;1;0" keyTimes="0;0.5;1" dur="0.8s" repeatCount="indefinite"/></circle></g><g transform="translate(50 50)"><circle cx="0" cy="0" r="9" fill="#1e1e1e" transform="scale(0.00153 0.00153)"><animateTransform attributeName="transform" type="scale" begin="-0.1333s" calcMode="spline" keySplines="0.3 0 0.7 1;0.3 0 0.7 1" values="0;1;0" keyTimes="0;0.5;1" dur="0.8s" repeatCount="indefinite"/></circle></g><g transform="translate(75 50)"><circle cx="0" cy="0" r="9" fill="#1e1e1e" transform="scale(0.3 0.3)"><animateTransform attributeName="transform" type="scale" begin="0s" calcMode="spline" keySplines="0.3 0 0.7 1;0.3 0 0.7 1" values="0;1;0" keyTimes="0;0.5;1" dur="0.8s" repeatCount="indefinite"/></circle></g></svg></div>';

      // icons wrap
      var iconWrap = '<div class="ip-icons-content" style="border-radius:' + borderRadius + ';">' +
        '<div class="ip-icons-search"><input id="IconPickerSearch" type="text" spellcheck="false" autocomplete="off" placeholder="' + searchPlaceholder + '" style="border-radius:' + borderRadius + ';" /><i class="placeholder-icon fas fa-search"></i></div>' +
        '<div class="ip-icons-search-results"></div>' +
        '<div class="ip-icons-area">' +
        loadingIndicator +
        icons +
        '</div>' +
        '<div class="ip-icons-footer"><a class="cancel" style="border-radius:' + borderRadius + ';">' + buttonCancel + '</a></div>' +
        '</div>';

      // create the modal element
      var IconPickerModal = document.createElement('div')
      IconPickerModal.id = 'IconPickerModal';
      IconPickerModal.innerHTML = iconWrap;

      // body
      var docBody = document.body;

      // append to body
      docBody.appendChild(IconPickerModal);

      // get the modal element
      var ipElement = document.getElementById(IconPickerModal.id);

      // modal element display css
      ipElement.style.display = 'block';

      // heights
      var ipHeight = parseInt(ipElement.offsetHeight);
      var winHeight = parseInt(window.innerHeight);

      // modal element position top css on
      var liveScrollTop = parseInt(window.pageYOffset || document.documentElement.scrollTop);
      var totalTopPos = liveScrollTop + ((winHeight - ipHeight) / 2);
      if (winHeight + 20 <= ipHeight) {
        totalTopPos = liveScrollTop;
      }
      ipElement.style.top = totalTopPos + 'px';
      // modal element position top css off

      // add css animation class to modal
      ipElement.classList.add('animate');

      // remove loading indicator on
      var loadingElement = document.getElementById('IconPickerLoading');
      var ltAnimate = setTimeout(function() {
        loadingElement.classList.add('hide');
        clearTimeout(ltAnimate);
      }, 600);
      var ltRemove = setTimeout(function() {
        loadingElement.parentNode.removeChild(loadingElement);
        clearTimeout(ltRemove);
      }, 900);
      // remove loading indicator off


      // close and remove all on
      var removeIpElement = function(delay) {
        ipElement.classList.remove('animate');
        setTimeout(function() {
          docBody.removeChild(ipElement);
        }, delay);
      }
      // close and remove all off

      // cancel button click listener on
      var cancelButtonElm = document.getElementById(IconPickerModal.id).getElementsByClassName('cancel')[0];
      cancelButtonElm.addEventListener('click', function() {
        removeIpElement(400);
      }, false);
      // cancel button click listener off

      // search input keyup listener on
      var searchInputElm = document.getElementById('IconPickerSearch');
      searchInputElm.addEventListener('keyup', function(e) {

        // keycodes
        var eKeyCode = e.keyCode;
        var eCode = e.code.toString().toLowerCase();

        // check space and backspace keyup
        var spaceOrBackspace = false;
        if (eKeyCode === 32 || eCode === 'space' || eKeyCode === 8 || eCode === 'backspace') {
          spaceOrBackspace = true;
        }

        // cant type space
        if (eKeyCode === 32 || eCode === 'space') {
          this.value = this.value.replace(' ', '');
          return false;
        }

        // this val
        var searchVal = this.value.toString().toLowerCase();

        // define icons areas
        var firstIconsArea = document.getElementById(IconPickerModal.id).getElementsByClassName('ip-icons-area')[0];
        var searchResultArea = document.getElementById(IconPickerModal.id).getElementsByClassName('ip-icons-search-results')[0];

        // clear old results
        searchResultArea.innerHTML = '';

        // (if not space or backspace) and (if typed at least one char) able to search
        if (!spaceOrBackspace && searchVal.length > 0) {

          // for "serch term" in Json
          var tempIcons = '';
          for (var key in jsonData) {
            if (jsonData.hasOwnProperty(key)) {
              var forObj = jsonData[key];
              // if there is results create them
              if (forObj.toString().indexOf(searchVal) > -1) {
                firstIconsArea.style.display = 'none';
                var tempIcon = '<i data-search="' + forObj + '" data-class="' + forObj + '" class="search-icon select-icon ' + forObj + '"></i>';
                tempIcons += tempIcon;
              }
            }
          }

          // create a temp container
          var tempResults = document.createElement('div');
          tempResults.id = 'IconsTempResults';
          tempResults.innerHTML = tempIcons;

          // no results found on
          if (tempIcons.length < 1) {
            firstIconsArea.style.display = 'none';
            var noResultsText = ipNewOptions.noResultsFound;
            if (!noResultsText || (noResultsText && noResultsText.length < 1)) {
              noResultsText = ipDefaultOptions.noResultsFound;
            }
            var noResultElm = '<p class="ip-no-results-found">' + noResultsText + '</p>';
            tempResults.innerHTML = noResultElm;
          }
          // no results found off

          // append temp container to results area
          searchResultArea.appendChild(tempResults);

          // event listener for each temp icon
          eachIconEventListener('search');

        }
        // show first icons
        else {
          firstIconsArea.style.display = 'block';
        }

      }, false);
      // search input keyup listener off


      // each icon click listener on
      function eachIconEventListener(firstOrSearch) {

        var inputElm = document.querySelectorAll(inputElement);
        var previewElm = document.querySelectorAll(previewElement);

        // define icons on
        var eachIconElm;
        if (firstOrSearch === 'first') { // first
          eachIconElm = document.getElementById(IconPickerModal.id).getElementsByClassName('first-icon');
        } else if (firstOrSearch === 'search') { // search
          eachIconElm = document.getElementById(IconPickerModal.id).getElementsByClassName('search-icon');
        }
        // define icons off

        // add listeners each on
        var wrapElem = document.querySelector('.ip-icons-content');
        var config = {
          attributes: true,
          childList: true,
          subtree: true
        };

        var callback = function(mutationsList, observer) {
          attachClickEventForEachIcon(eachIconElm, inputElm, previewElm);
        };

        var observer = new MutationObserver(callback);
        observer.observe(wrapElem, config);

        attachClickEventForEachIcon(eachIconElm, inputElm, previewElm);

        // add listeners each off

      }

      function attachClickEventForEachIcon(eachIconElm, inputElm, previewElm) {

        for (var i = 0; i < eachIconElm.length; i++) {
          var singleIconElm = eachIconElm[i];
          singleIconElm.addEventListener('click', function(e) {
            e.preventDefault();
            var iconClassName = this.dataset.class;
            for (var i = 0; i < inputElm.length; i++) {

              if (inputElm[i].tagName === 'INPUT') {
                inputElm[i].value = iconClassName;
              } else {
                inputElm[i].innerHTML = iconClassName;
              }

            }
            for (var i = 0; i < previewElm.length; i++) {
              previewElm[i].setAttribute('class', iconClassName);
            }
            removeIpElement(400);
          }, false);
        }
      }

      // each icon click listener off

      // first icons listeners
      eachIconEventListener('first');

    }
    // IconPicker: Append Library to Body off
  },
}
// IconPicker: Main off