/**
 * Created by logicp on 5/28/17.
 */

const commentListen = function(e) {

  let commentBlock = e.srcElement.parentNode.parentNode.querySelector('.heartbeat-comments');

  if (!commentBlock.classList.contains('heartbeat-comments-visible')) {
    commentBlock.className += ' heartbeat-comments-visible';
  } else {
    commentBlock.classList.remove('heartbeat-comments-visible');
  }


  if (drupalSettings.user.uid > 0) {

    let childs = e.srcElement.parentNode.querySelectorAll('.form-submit, .js-form-type-textarea');
    console.dir(childs);
    for (let c = 0; c < childs.length; c++) {
      toggleCommentElements(childs[c]);
    }
  } else {
    // loginModal()
    $.ajax({
      type: 'GET',
      url: '/user/modal/login',
      success: function (response) {
        mainContainer = document.getElementById('main');
        loginBlock = document.createElement('div');
        loginBlock.innerHTML = response;
        loginBlock.className = 'kekistan-login-block';
        loginBlock.id = 'kekistan-login-block';
        closeBtn = document.createElement('div');
        closeBtn.className =  'kekistan-login-block-close';
        closeBtn.innerHTML = '✖';
        loginBlock.appendChild(closeBtn);
        mainContainer.appendChild(loginBlock);

        closeBtn.addEventListener('click', function() {
          loginBlock.innerHTML = '';
          mainContainer.removeChild(loginBlock);
        });

      }
    });
  }
};


(function($, Drupal, drupalSettings) {

  $(document).ready(function() {

    const loader = document.createElement('div');
    loader.id = 'heartbeat-loader';
    const body = document.getElementsByTagName('body')[0];
    body.appendChild(loader);

    Drupal.behaviors.heartbeat = {
        attach: function (context, settings) {

          if (drupalSettings.friendData != null) {
            let divs = document.querySelectorAll('.flag-friendship a.use-ajax');

            for (let i = 0; i < divs.length; i++) {
              let anchor = divs[i];
              let userId = anchor.href.substring(anchor.href.indexOf('friendship') + 11, anchor.href.indexOf('?destination'));
              JSON.parse(drupalSettings.friendData).forEach(function (friendship) {
                if (friendship.uid_target === userId && friendship.uid == drupalSettings.user.uid && friendship.status == 0) {
                  anchor.innerHTML = 'Friendship Pending';
                }
              });
            }
          }

          feedElement = document.querySelector('.heartbeat-stream');

          if (drupalSettings.feedUpdate == true) {
            updateFeed();
          }

            Drupal.AjaxCommands.prototype.selectFeed = function(ajax, response, status) {

              $.ajax({
                type:'POST',
                url:'/heartbeat/render_feed/' + response.feed,
                success: function(response) {
                  feedElement = document.querySelector('.heartbeat-stream');

                  if (feedElement != null) {
                    feedElement.innerHTML = response;
                  } else {
                    feedBlock = document.getElementById('block-heartbeatblock');
                    insertNode = document.createElement('div');
                    insertNode.innerHTML = response;
                    feedBlock.appendChild(insertNode);
                  }
                }
              });
            };

            Drupal.AjaxCommands.prototype.updateFeed = function(ajax, response, status) {
              if (response.update) {
                $.ajax({
                  type: 'POST',
                  url:'/heartbeat/update_feed/' + response.timestamp,
                  success: function(response) {

                  }
                });
              }
            };

            listenImages();
            listenCommentPost();

          Drupal.AjaxCommands.prototype.myfavouritemethodintheworld = function(ajax, response, status) {
            console.dir(response);
            if (response.cid) {
              console.log('this shit is getting called again');
              let parentComment = document.getElementById('heartbeat-comment-' + response.cid);
              let text = parentComment.querySelector('.form-textarea');

              text.addEventListener('keydown', function (e) {
                console.dir(e);
                if (e.keyCode === 13) {
                  let submitBtn = parentComment.querySelector('.form-submit');
                  submitBtn.click();
                }
              });
            }
          };
        }
    };

    commentFormListeners();
    let stream = document.getElementById('block-heartbeatblock');

    let observer = new MutationObserver(function(mutations) {
    console.log('observer observes a change');
    listenImages();
    hideCommentForms();
    commentFormListeners();
    });

    let config = { attributes: true, childList: true, characterData: true };

    observer.observe(stream, config);
    console.dir(observer);


    function updateFeed() {

    $.ajax({
      type: 'POST',
      url: '/heartbeat/form/heartbeat_update_feed',
      success: function (response) {
      }
    })
    }

    function listenImages() {
    let cboxOptions = {
      maxWidth: '960px',
      maxHeight: '960px',
    };

    $('.heartbeat-content').find('img').each(function() {
      let parentClass = $(this).parent().prop('className');
      let phid = parentClass.substring(parentClass.indexOf('hid') + 4);
      $(this).colorbox({rel: phid, href: $(this).attr('src'), cboxOptions});
    });
    }

    function listenCommentPost() {
    let comments = document.querySelectorAll('[data-drupal-selector]');

    for (let i = 0; i < comments.length; i++) {
      let comment = comments[i];
      comment.addEventListener('click', function() {
          getParent(comment);
      })
    }
    }

    function getParent(node) {
    if (node != null && node != undefined && node.classList != undefined && node.classList.contains('heartbeat-comment')) {
      let id = node.id.substr(node.id.indexOf('-') + 1);
      $.ajax({
        type: 'POST',
        url:'/heartbeat/commentupdate/' + id,
        success: function(response) {
        }
      });
    } else {
      if (node != null && node.nodeName !== 'body') {
        getParent(node.parentNode);
      }
    }
    }

    function getScrollXY() {
    var scrOfX = 0, scrOfY = 0;
    if( typeof( window.pageYOffset ) == 'number' ) {
      //Netscape compliant
      scrOfY = window.pageYOffset;
      scrOfX = window.pageXOffset;
    } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
      //DOM compliant
      scrOfY = document.body.scrollTop;
      scrOfX = document.body.scrollLeft;
    } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
      //IE6 standards compliant mode
      scrOfY = document.documentElement.scrollTop;
      scrOfX = document.documentElement.scrollLeft;
    }
    return [ scrOfX, scrOfY ];
    }

    //taken from http://james.padolsey.com/javascript/get-document-height-cross-browser/
    function getDocHeight() {
    var D = document;
    return Math.max(
      D.body.scrollHeight, D.documentElement.scrollHeight,
      D.body.offsetHeight, D.documentElement.offsetHeight,
      D.body.clientHeight, D.documentElement.clientHeight
    );
    }

    document.addEventListener("scroll", function (event) {

    if (drupalSettings.filterMode == false && (getScrollXY()[1] + window.innerHeight) / getDocHeight() > 0.99) {

      let streams = document.querySelectorAll('.heartbeat-stream');
      let stream = streams.length > 1 ? streams[streams.length - 1] : streams[0];

      if (stream !== null) {
        console.dir(stream);
        let lastHeartbeat = stream.lastElementChild;

        if (lastHeartbeat !== null) {

          let hid = lastHeartbeat.id.substring(lastHeartbeat.id.indexOf('-') + 1);
          if (drupalSettings.lastHid !== hid) {

            drupalSettings.lastHid = hid;

            $('#heartbeat-loader').show(225);

            $.ajax({
              type: 'POST',
              url: '/heartbeat/update_feed/' + hid,

              success: function (response) {

                feedBlock = document.getElementById('block-heartbeatblock');
                insertNode = document.createElement('div');
                insertNode.innerHTML = response;
                feedBlock.appendChild(insertNode)
              },

              complete: function() {
                $('#heartbeat-loader').hide(225);
              }
            });
          }
        }
      }
    }
    });

    $(document).on('cbox_open', function() {
    $("#colorbox").swipe( {
      //Generic swipe handler for all directions
      swipeLeft:function(event, direction, distance, duration, fingerCount) {
        $.colorbox.prev();
      },
      swipeRight:function(event, direction, distance, duration, fingerCount) {
        $.colorbox.next();
      },
      //Default is 75px, set to 0 for demo so any distance triggers swipe
      threshold:25
    });
    let cboxCloseBtn = $('#cboxClose');
    cboxCloseBtn.on('click touchstart', function() {
      $.colorbox.close();
    });
    cboxCloseBtn.on('keyup', function(e) {
      if (e.keyCode == 27) {
        $.colorbox().close();
      }
    });

    // let cboxClose = document.getElementById('cboxClose');
    // cboxClose.addEventListener('click', function() {
    //   $.colorbox.close();
    // });
    // cboxClose.addEventListener('touchstart', function() {
    //   $.colorbox.close();
    // });
    // document.addEventListener('keyup', function(e) {
    //   if (e.keyCode == 27) {
    //     $.colorbox.close();
    //   }
    // })

    return true;

    }
    );

    })
})(jQuery, Drupal, drupalSettings);

function commentFormListeners() {
  console.log('Comment Form Listeners');
  let cFormButtons = document.querySelectorAll('.heartbeat-comment-button');


  for (let b = 0; b < cFormButtons.length; b++) {
    cFormButtons[b].removeEventListener('click', commentListen);
    cFormButtons[b].addEventListener('click', commentListen);
  }
}



/******** Load Login Block **********
 ******** append to document ********
 ******** Hover in middle of screen */

function loginModal() {

  $.ajax({
    type: 'GET',
    url: '/user/modal/login',
    success: function (response) {
      mainContainer = document.getElementById('main');
      loginBlock = document.createElement('div');
      loginBlock.innerHTML = response;
      loginBlock.className = 'kekistan-login-block';
      loginBlock.id = 'kekistan-login-block';
      closeBtn = document.createElement('div');
      closeBtn.className =  'kekistan-login-block-close';
      closeBtn.innerHTML = '✖';
      loginBlock.appendChild(closeBtn);
      mainContainer.appendChild(loginBlock);

      closeBtn.addEventListener('click', function() {
        loginBlock.innerHTML = '';
        mainContainer.removeChild(loginBlock);
      });

    }
  });
}

function hideCommentForms() {
  let forms = document.querySelectorAll('.heartbeat-comment-form .js-form-type-textarea, .heartbeat-comment-form .form-submit');

  for (let f = 0; f < forms.length; f++) {
    forms[f].className += ' comment-form-hidden';
  }
}

function toggleCommentElements(node) {

  console.dir(node);
  if (node.classList.contains('comment-form-hidden')) {
    console.log('removing comment-form-hidden class from element');
    node.classList.remove('comment-form-hidden');
  } else {
    node.className += ' comment-form-hidden';
  }
}