/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";

// Test that the breadcrumbs widget content is correct.

const TEST_URI = URL_ROOT + "doc_inspector_breadcrumbs.html";
const NODES = [
  {
    selector: "#i1111",
    ids: "i1 i11 i111 i1111",
    nodeName: "div",
    title: "div#i1111",
  },
  { selector: "#i22", ids: "i2 i22", nodeName: "div", title: "div#i22" },
  {
    selector: "#i2111",
    ids: "i2 i21 i211 i2111",
    nodeName: "div",
    title: "div#i2111",
  },
  {
    selector: "#i21",
    ids: "i2 i21 i211 i2111",
    nodeName: "div",
    title: "div#i21",
  },
  {
    selector: "#i22211",
    ids: "i2 i22 i222 i2221 i22211",
    nodeName: "div",
    title: "div#i22211",
  },
  {
    selector: "#i22",
    ids: "i2 i22 i222 i2221 i22211",
    nodeName: "div",
    title: "div#i22",
  },
  { selector: "#i3", ids: "i3", nodeName: "article", title: "article#i3" },
  {
    selector: "clipPath",
    ids: "vector clip",
    nodeName: "clipPath",
    title: "clipPath#clip",
  },
];

add_task(async function() {
  const { inspector } = await openInspectorForURL(TEST_URI);
  const breadcrumbs = inspector.panelDoc.getElementById(
    "inspector-breadcrumbs"
  );
  const container = breadcrumbs.querySelector(".html-arrowscrollbox-inner");

  for (const node of NODES) {
    info("Testing node " + node.selector);

    info("Selecting node and waiting for breadcrumbs to update");
    const breadcrumbsUpdated = inspector.once("breadcrumbs-updated");
    await selectNode(node.selector, inspector);
    await breadcrumbsUpdated;

    info("Performing checks for node " + node.selector);
    const buttonsLabelIds = node.ids.split(" ");

    // html > body > …
    is(
      container.childNodes.length,
      buttonsLabelIds.length + 2,
      "Node " + node.selector + ": Items count"
    );

    for (let i = 2; i < container.childNodes.length; i++) {
      const expectedId = "#" + buttonsLabelIds[i - 2];
      const button = container.childNodes[i];
      const labelId = button.querySelector(".breadcrumbs-widget-item-id");
      is(
        labelId.textContent,
        expectedId,
        "Node " + node.selector + ": button " + i + " matches"
      );
    }

    const checkedButton = container.querySelector("button[checked]");
    const labelId = checkedButton.querySelector(".breadcrumbs-widget-item-id");
    const id = inspector.selection.nodeFront.id;
    is(
      labelId.textContent,
      "#" + id,
      "Node " + node.selector + ": selection matches"
    );

    const labelTag = checkedButton.querySelector(
      ".breadcrumbs-widget-item-tag"
    );
    is(
      labelTag.textContent,
      node.nodeName,
      "Node " + node.selector + " has the expected tag name"
    );

    is(
      checkedButton.getAttribute("title"),
      node.title,
      "Node " + node.selector + " has the expected tooltip"
    );
  }

  await testPseudoElements(inspector, container);
  await testComments(inspector, container);
});

async function testPseudoElements(inspector, container) {
  info("Checking for pseudo elements");

  const pseudoParent = await getNodeFront("#pseudo-container", inspector);
  const children = await inspector.walker.children(pseudoParent);
  is(children.nodes.length, 2, "Pseudo children returned from walker");

  const beforeElement = children.nodes[0];
  let breadcrumbsUpdated = inspector.once("breadcrumbs-updated");
  await selectNode(beforeElement, inspector);
  await breadcrumbsUpdated;
  is(
    container.childNodes[3].textContent,
    "::before",
    "::before shows up in breadcrumb"
  );

  const afterElement = children.nodes[1];
  breadcrumbsUpdated = inspector.once("breadcrumbs-updated");
  await selectNode(afterElement, inspector);
  await breadcrumbsUpdated;
  is(
    container.childNodes[3].textContent,
    "::after",
    "::before shows up in breadcrumb"
  );
}

async function testComments(inspector, container) {
  info("Checking for comment elements");

  const breadcrumbs = inspector.breadcrumbs;
  const checkedButtonIndex = 2;
  const button = container.childNodes[checkedButtonIndex];

  let onBreadcrumbsUpdated = inspector.once("breadcrumbs-updated");
  button.click();
  await onBreadcrumbsUpdated;

  is(breadcrumbs.currentIndex, checkedButtonIndex, "New button is selected");
  ok(
    breadcrumbs.outer.hasAttribute("aria-activedescendant"),
    "Active descendant must be set"
  );

  const comment = [...inspector.markup._containers].find(
    ([node]) => node.nodeType === Node.COMMENT_NODE
  )[0];

  let onInspectorUpdated = inspector.once("inspector-updated");
  inspector.selection.setNodeFront(comment);
  await onInspectorUpdated;

  is(
    breadcrumbs.currentIndex,
    -1,
    "When comment is selected no breadcrumb should be checked"
  );
  ok(
    !breadcrumbs.outer.hasAttribute("aria-activedescendant"),
    "Active descendant must not be set"
  );

  onInspectorUpdated = inspector.once("inspector-updated");
  onBreadcrumbsUpdated = inspector.once("breadcrumbs-updated");
  button.click();
  await Promise.all([onInspectorUpdated, onBreadcrumbsUpdated]);

  is(
    breadcrumbs.currentIndex,
    checkedButtonIndex,
    "Same button is selected again"
  );
  ok(
    breadcrumbs.outer.hasAttribute("aria-activedescendant"),
    "Active descendant must be set again"
  );
}
