/**
 * @license
 * Copyright (C) 2017 The Android Open Source Project
 *
 * 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
 *
 * http://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.
 */

import {GrAnnotation} from '../../diff/gr-diff-highlight/gr-annotation.js';

/**
 * Used to create a context for GrAnnotationActionsInterface.
 *
 * @param {HTMLElement} contentEl The DIV.contentText element of the line
 *     content to apply the annotation to using annotateRange.
 * @param {HTMLElement} lineNumberEl The TD element of the line number to
 *     apply the annotation to using annotateLineNumber.
 * @param {GrDiffLine} line The line object.
 * @param {string} path The file path (eg: /COMMIT_MSG').
 * @param {string} changeNum The Gerrit change number.
 * @param {string} patchNum The Gerrit patch number.
 */
export function GrAnnotationActionsContext(
    contentEl, lineNumberEl, line, path, changeNum, patchNum) {
  this._contentEl = contentEl;
  this._lineNumberEl = lineNumberEl;

  this.line = line;
  this.path = path;
  this.changeNum = parseInt(changeNum);
  this.patchNum = parseInt(patchNum);
}

/**
 * Method to add annotations to a content line.
 *
 * @param {number} offset The char offset where the update starts.
 * @param {number} length The number of chars that the update covers.
 * @param {GrStyleObject} styleObject The style object for the range.
 * @param {string} side The side of the update. ('left' or 'right')
 */
GrAnnotationActionsContext.prototype.annotateRange = function(
    offset, length, styleObject, side) {
  if (this._contentEl && this._contentEl.getAttribute('data-side') == side) {
    GrAnnotation.annotateElement(this._contentEl, offset, length,
        styleObject.getClassName(this._contentEl));
  }
};

/**
 * Method to add a CSS class to the line number TD element.
 *
 * @param {GrStyleObject} styleObject The style object for the range.
 * @param {string} side The side of the update. ('left' or 'right')
 */
GrAnnotationActionsContext.prototype.annotateLineNumber = function(
    styleObject, side) {
  if (this._lineNumberEl && this._lineNumberEl.classList.contains(side)) {
    styleObject.apply(this._lineNumberEl);
  }
};