/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

"use strict";

/* import-globals-from ../../mochitest/role.js */
/* import-globals-from ../../mochitest/states.js */
loadScripts(
  { name: "role.js", dir: MOCHITESTS_DIR },
  { name: "states.js", dir: MOCHITESTS_DIR }
);

/**
 * Test data has the format of:
 * {
 *   desc      {String}   description for better logging
 *   expected  {Array}    expected states for a given accessible that have the
 *                        following format:
 *                          [
 *                            expected state,
 *                            expected extra state,
 *                            absent state,
 *                            absent extra state
 *                          ]
 *   attrs     {?Array}   an optional list of attributes to update
 * }
 */

// State caching tests for attribute changes
const attributeTests = [
  {
    desc:
      "Checkbox with @checked attribute set to true should have checked " +
      "state",
    attrs: [
      {
        attr: "checked",
        value: "true",
      },
    ],
    expected: [STATE_CHECKED, 0],
  },
  {
    desc: "Checkbox with no @checked attribute should not have checked state",
    attrs: [
      {
        attr: "checked",
      },
    ],
    expected: [0, 0, STATE_CHECKED],
  },
];

// State caching tests for ARIA changes
const ariaTests = [
  {
    desc: "File input has busy state when @aria-busy attribute is set to true",
    attrs: [
      {
        attr: "aria-busy",
        value: "true",
      },
    ],
    expected: [STATE_BUSY, 0, STATE_REQUIRED | STATE_INVALID],
  },
  {
    desc:
      "File input has required state when @aria-required attribute is set " +
      "to true",
    attrs: [
      {
        attr: "aria-required",
        value: "true",
      },
    ],
    expected: [STATE_REQUIRED, 0, STATE_INVALID],
  },
  {
    desc:
      "File input has invalid state when @aria-invalid attribute is set to " +
      "true",
    attrs: [
      {
        attr: "aria-invalid",
        value: "true",
      },
    ],
    expected: [STATE_INVALID, 0],
  },
];

// Extra state caching tests
const extraStateTests = [
  {
    desc:
      "Input has no extra enabled state when aria and native disabled " +
      "attributes are set at once",
    attrs: [
      {
        attr: "aria-disabled",
        value: "true",
      },
      {
        attr: "disabled",
        value: "true",
      },
    ],
    expected: [0, 0, 0, EXT_STATE_ENABLED],
  },
  {
    desc:
      "Input has an extra enabled state when aria and native disabled " +
      "attributes are unset at once",
    attrs: [
      {
        attr: "aria-disabled",
      },
      {
        attr: "disabled",
      },
    ],
    expected: [0, EXT_STATE_ENABLED],
  },
];

async function runStateTests(browser, accDoc, id, tests) {
  let acc = findAccessibleChildByID(accDoc, id);
  for (let { desc, attrs, expected } of tests) {
    info(desc);
    let onUpdate = waitForEvent(EVENT_STATE_CHANGE, id);
    for (let { attr, value } of attrs) {
      await invokeSetAttribute(browser, id, attr, value);
    }
    await onUpdate;
    testStates(acc, ...expected);
  }
}

/**
 * Test caching of accessible object states
 */
addAccessibleTask(
  `
  <input id="checkbox" type="checkbox">
  <input id="file" type="file">
  <input id="text">`,
  async function(browser, accDoc) {
    await runStateTests(browser, accDoc, "checkbox", attributeTests);
    await runStateTests(browser, accDoc, "file", ariaTests);
    await runStateTests(browser, accDoc, "text", extraStateTests);
  },
  { iframe: true, remoteIframe: true }
);