/*
  Copyright 2019 the JSDoc Authors.

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

      https://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
*/
const _ = require('lodash');
const { addMatchers } = require('add-matchers');
const { format } = require('prettier');

function stripWhitespace(str) {
  // Remove leading whitespace.
  str = str.replace(/^[\s]+/gm, '');
  // Remove empty lines.
  str = str.replace(/^\n$/gm, '');

  return str;
}

function normalizeHtml(str) {
  str = format(str, {
    parser: 'html',
    tabWidth: 2,
  });

  return stripWhitespace(str);
}

// Prettier lazy-loads its parsers, so preload the HTML parser while we know we're not mocked.
require('prettier/parser-html');
// Add matchers from https://github.com/JamieMason/Jasmine-Matchers.
require('jasmine-expect');

addMatchers({
  toBeError(value) {
    return value instanceof Error;
  },
  toBeErrorOfType(other, value) {
    return value instanceof Error && value.name === other;
  },
  toBeInstanceOf(other, value) {
    let otherName;
    let valueName;

    if (typeof value !== 'object') {
      throw new TypeError(`Expected object value, got ${typeof value}`);
    }

    valueName = value.constructor.name;

    if (typeof other === 'string') {
      // Class name.
      otherName = other;
    } else if (typeof other === 'function') {
      // Class constructor.
      otherName = other.name;
    } else {
      otherName = other.constructor.name;
    }

    return valueName === otherName;
  },
  toContainHtml(other, value) {
    const otherDiffable = normalizeHtml(other);
    const valueDiffable = normalizeHtml(value);

    return valueDiffable.includes(otherDiffable);
  },
  toHaveOwnProperty(other, value) {
    return Object.hasOwn(value, other);
  },
  // The objects in `value` must have all of the keys and values from the corresponding objects in
  // `other`. The object in `value` can have additional properties as well. For example, if
  // `other[0]` is `{ a: 1 }`, and `value[0]` is `{ a: 1, b: 2 }`, then the objects match.
  toMatchArrayOfObjects(other, value) {
    let isMatch = true;

    if (!Array.isArray(value)) {
      throw new TypeError(`Expected array value, got ${typeof value}`);
    }
    if (!Array.isArray(other)) {
      throw new TypeError(`Expected array value as expected value, got ${typeof other}`);
    }

    if (other.length !== value.length) {
      isMatch = false;
    } else {
      for (let i = 0, l = value.length; i < l; i++) {
        if (!_.isMatch(value[i], other[i])) {
          isMatch = false;
          break;
        }
      }
    }

    return isMatch;
  },
  // The `value` object must have all of the keys and values from the `other` object. The `value`
  // object can have additional properties as well. For example, if `other` is `{ a: 1 }`, and
  // `value` is `{ a: 1, b: 2 }`, then the objects match.
  toMatchObject(other, value) {
    return _.isMatch(value, other);
  },
});