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

"use strict";

/* global toggleMenuItem, TREE_FILTERS_MENU_ID */

const header =
  '<h1 style="color:rgba(255,0,0,0.1); ' +
  'background-color:rgba(255,255,255,1);">header</h1>';

const TEST_URI = `<html>
  <head>
    <meta charset="utf-8"/>
    <title>Accessibility Panel Test</title>
  </head>
  <body>
    ${header.repeat(20)}
  </body>
</html>`;

const docRow = {
  role: "document",
  name: `"Accessibility Panel Test"`,
};
const headingRow = {
  role: "heading (level 1)",
  name: `"header"`,
};
const textLeafRow = {
  role: "text leaf",
  name: `"header"contrast`,
  badges: ["contrast"],
};
const audit = new Array(20).fill(textLeafRow);

const auditInitial = audit.map(check => ({ ...check }));
auditInitial[0].selected = true;

const auditSecondLastSelected = audit.map(check => ({ ...check }));
auditSecondLastSelected[19].selected = true;

const resetAfterAudit = [docRow];
for (let i = 0; i < 20; i++) {
  resetAfterAudit.push(headingRow);
  resetAfterAudit.push({ ...textLeafRow, selected: i === 19 });
}

/**
 * Test data has the format of:
 * {
 *   desc     {String}    description for better logging
 *   setup    {Function}  An optional setup that needs to be performed before
 *                        the state of the tree and the sidebar can be checked.
 *   expected {JSON}      An expected states for the tree and the sidebar.
 * }
 */
const tests = [
  {
    desc: "Check initial state.",
    expected: {
      tree: [{ ...docRow, selected: true }],
    },
  },
  {
    desc: "Run an audit from a11y panel toolbar by activating a filter.",
    setup: async ({ doc, toolbox }) => {
      await toggleMenuItem(doc, toolbox.doc, TREE_FILTERS_MENU_ID, 1);
    },
    expected: {
      tree: auditInitial,
    },
  },
  {
    desc: "Select a row that is guaranteed to have to be scrolled into view.",
    setup: async ({ doc }) => {
      selectRow(doc, 0);
      EventUtils.synthesizeKey("VK_END", {}, doc.defaultView);
    },
    expected: {
      tree: auditSecondLastSelected,
    },
  },
  {
    desc: "Click on the filter again.",
    setup: async ({ doc, toolbox }) => {
      await toggleMenuItem(doc, toolbox.doc, TREE_FILTERS_MENU_ID, 1);
    },
    expected: {
      tree: resetAfterAudit,
    },
  },
];

/**
 * Simple test that checks content of the Accessibility panel tree when the
 * audit is activated via the panel's toolbar and the selection persists when
 * the filter is toggled off.
 */
addA11yPanelTestsTask(
  tests,
  TEST_URI,
  "Test Accessibility panel tree with persistent selected row."
);
