Danbooru.PostTooltip = {};

Danbooru.PostTooltip.render_tooltip = function (event, qtip) {
  var post_id = $(event.target).parents("[data-id]").data("id");

  $.get("/posts/" + post_id, { variant: "tooltip" }).then(function (html) {
    qtip.set("content.text", html);
    qtip.elements.tooltip.removeClass("post-tooltip-loading");
  });
};

// Hide the tooltip the first time it is shown, while we wait on the ajax call to complete.
Danbooru.PostTooltip.on_show = function (event, qtip) {
  if (!qtip.cache.hasBeenShown) {
    qtip.elements.tooltip.addClass("post-tooltip-loading");
    qtip.cache.hasBeenShown = true;
  }
};

Danbooru.PostTooltip.POST_SELECTOR = "*:not(.ui-sortable-handle) > .post-preview img";

// http://qtip2.com/options
Danbooru.PostTooltip.QTIP_OPTIONS = {
  style: "qtip-light post-tooltip",
  content: Danbooru.PostTooltip.render_tooltip,
  overwrite: false,
  position: {
    my: "top left",
    at: "bottom left",
    target: "mouse",
    // `viewport: $(window)` is better, but it requires jquery-migrate until https://github.com/qTip2/qTip2/issues/797 is fixed.
    viewport: true,
    adjust: {
      mouse: false,
      y: 25,
      method: "shift",
    },
  },
  show: {
    solo: true,
    delay: 450,
    effect: false,
    ready: true,
    event: "mouseenter",
  },
  hide: {
    delay: 50,
    fixed: true,
    effect: false,
    event: "unfocus mouseleave",
  },
  events: {
    show: Danbooru.PostTooltip.on_show,
  },
};

Danbooru.PostTooltip.initialize = function () {
  $(document).on("mouseenter", Danbooru.PostTooltip.POST_SELECTOR, function (event) {
    if (Danbooru.PostTooltip.disabled()) {
      $(this).qtip("disable");
    } else {
      $(this).qtip(Danbooru.PostTooltip.QTIP_OPTIONS, event);
    }
  });

  // Hide tooltips when clicking thumbnails.
  $(document).on("click", Danbooru.PostTooltip.POST_SELECTOR, Danbooru.PostTooltip.hide);

  // Disable tooltips on touch devices. https://developer.mozilla.org/en-US/docs/Web/API/Touch_events/Supporting_both_TouchEvent_and_MouseEvent
  Danbooru.PostTooltip.isTouching = false;
  $(document).on("touchstart", function (event) { Danbooru.PostTooltip.isTouching = true; });
  $(document).on("touchend",   function (event) { Danbooru.PostTooltip.isTouching = false; });
};

Danbooru.PostTooltip.hide = function (event) {
  $(".post-tooltip:visible").qtip("hide");
};

Danbooru.PostTooltip.disabled = function (event) {
  return Danbooru.PostTooltip.isTouching || Danbooru.meta("disable-post-tooltips") === "true";
};

$(document).ready(Danbooru.PostTooltip.initialize);