/**
 * @license
 * Copyright (C) 2021 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.
 */

/**
 * Enum for all shortcut sections, where that shortcut should be applied to.
 */
export enum ShortcutSection {
  ACTIONS = 'Actions',
  DIFFS = 'Diffs',
  EVERYWHERE = 'Global Shortcuts',
  FILE_LIST = 'File list',
  NAVIGATION = 'Navigation',
  REPLY_DIALOG = 'Reply dialog',
}

/**
 * Enum for all possible shortcut names.
 */
export enum Shortcut {
  OPEN_SHORTCUT_HELP_DIALOG = 'OPEN_SHORTCUT_HELP_DIALOG',
  GO_TO_USER_DASHBOARD = 'GO_TO_USER_DASHBOARD',
  GO_TO_OPENED_CHANGES = 'GO_TO_OPENED_CHANGES',
  GO_TO_MERGED_CHANGES = 'GO_TO_MERGED_CHANGES',
  GO_TO_ABANDONED_CHANGES = 'GO_TO_ABANDONED_CHANGES',
  GO_TO_WATCHED_CHANGES = 'GO_TO_WATCHED_CHANGES',

  CURSOR_NEXT_CHANGE = 'CURSOR_NEXT_CHANGE',
  CURSOR_PREV_CHANGE = 'CURSOR_PREV_CHANGE',
  OPEN_CHANGE = 'OPEN_CHANGE',
  NEXT_PAGE = 'NEXT_PAGE',
  PREV_PAGE = 'PREV_PAGE',
  TOGGLE_CHANGE_REVIEWED = 'TOGGLE_CHANGE_REVIEWED',
  TOGGLE_CHANGE_STAR = 'TOGGLE_CHANGE_STAR',
  REFRESH_CHANGE_LIST = 'REFRESH_CHANGE_LIST',
  OPEN_SUBMIT_DIALOG = 'OPEN_SUBMIT_DIALOG',
  TOGGLE_ATTENTION_SET = 'TOGGLE_ATTENTION_SET',

  OPEN_REPLY_DIALOG = 'OPEN_REPLY_DIALOG',
  OPEN_DOWNLOAD_DIALOG = 'OPEN_DOWNLOAD_DIALOG',
  EXPAND_ALL_MESSAGES = 'EXPAND_ALL_MESSAGES',
  COLLAPSE_ALL_MESSAGES = 'COLLAPSE_ALL_MESSAGES',
  UP_TO_DASHBOARD = 'UP_TO_DASHBOARD',
  UP_TO_CHANGE = 'UP_TO_CHANGE',
  TOGGLE_DIFF_MODE = 'TOGGLE_DIFF_MODE',
  REFRESH_CHANGE = 'REFRESH_CHANGE',
  EDIT_TOPIC = 'EDIT_TOPIC',
  DIFF_AGAINST_BASE = 'DIFF_AGAINST_BASE',
  DIFF_AGAINST_LATEST = 'DIFF_AGAINST_LATEST',
  DIFF_BASE_AGAINST_LEFT = 'DIFF_BASE_AGAINST_LEFT',
  DIFF_RIGHT_AGAINST_LATEST = 'DIFF_RIGHT_AGAINST_LATEST',
  DIFF_BASE_AGAINST_LATEST = 'DIFF_BASE_AGAINST_LATEST',

  NEXT_LINE = 'NEXT_LINE',
  PREV_LINE = 'PREV_LINE',
  VISIBLE_LINE = 'VISIBLE_LINE',
  NEXT_CHUNK = 'NEXT_CHUNK',
  PREV_CHUNK = 'PREV_CHUNK',
  TOGGLE_ALL_DIFF_CONTEXT = 'TOGGLE_ALL_DIFF_CONTEXT',
  NEXT_COMMENT_THREAD = 'NEXT_COMMENT_THREAD',
  PREV_COMMENT_THREAD = 'PREV_COMMENT_THREAD',
  EXPAND_ALL_COMMENT_THREADS = 'EXPAND_ALL_COMMENT_THREADS',
  COLLAPSE_ALL_COMMENT_THREADS = 'COLLAPSE_ALL_COMMENT_THREADS',
  LEFT_PANE = 'LEFT_PANE',
  RIGHT_PANE = 'RIGHT_PANE',
  TOGGLE_LEFT_PANE = 'TOGGLE_LEFT_PANE',
  NEW_COMMENT = 'NEW_COMMENT',
  SAVE_COMMENT = 'SAVE_COMMENT',
  OPEN_DIFF_PREFS = 'OPEN_DIFF_PREFS',
  TOGGLE_DIFF_REVIEWED = 'TOGGLE_DIFF_REVIEWED',

  NEXT_FILE = 'NEXT_FILE',
  PREV_FILE = 'PREV_FILE',
  NEXT_FILE_WITH_COMMENTS = 'NEXT_FILE_WITH_COMMENTS',
  PREV_FILE_WITH_COMMENTS = 'PREV_FILE_WITH_COMMENTS',
  NEXT_UNREVIEWED_FILE = 'NEXT_UNREVIEWED_FILE',
  CURSOR_NEXT_FILE = 'CURSOR_NEXT_FILE',
  CURSOR_PREV_FILE = 'CURSOR_PREV_FILE',
  OPEN_FILE = 'OPEN_FILE',
  TOGGLE_FILE_REVIEWED = 'TOGGLE_FILE_REVIEWED',
  TOGGLE_ALL_INLINE_DIFFS = 'TOGGLE_ALL_INLINE_DIFFS',
  TOGGLE_INLINE_DIFF = 'TOGGLE_INLINE_DIFF',
  TOGGLE_HIDE_ALL_COMMENT_THREADS = 'TOGGLE_HIDE_ALL_COMMENT_THREADS',
  OPEN_FILE_LIST = 'OPEN_FILE_LIST',

  OPEN_FIRST_FILE = 'OPEN_FIRST_FILE',
  OPEN_LAST_FILE = 'OPEN_LAST_FILE',

  SEARCH = 'SEARCH',
  SEND_REPLY = 'SEND_REPLY',
  EMOJI_DROPDOWN = 'EMOJI_DROPDOWN',
  TOGGLE_BLAME = 'TOGGLE_BLAME',
}

export interface ShortcutHelpItem {
  shortcut: Shortcut;
  text: string;
}

export const config = new Map<ShortcutSection, ShortcutHelpItem[]>();

function describe(shortcut: Shortcut, section: ShortcutSection, text: string) {
  if (!config.has(section)) {
    config.set(section, []);
  }
  const shortcuts = config.get(section);
  if (shortcuts) {
    shortcuts.push({shortcut, text});
  }
}

describe(Shortcut.SEARCH, ShortcutSection.EVERYWHERE, 'Search');
describe(
  Shortcut.OPEN_SHORTCUT_HELP_DIALOG,
  ShortcutSection.EVERYWHERE,
  'Show this dialog'
);
describe(
  Shortcut.GO_TO_USER_DASHBOARD,
  ShortcutSection.EVERYWHERE,
  'Go to User Dashboard'
);
describe(
  Shortcut.GO_TO_OPENED_CHANGES,
  ShortcutSection.EVERYWHERE,
  'Go to Opened Changes'
);
describe(
  Shortcut.GO_TO_MERGED_CHANGES,
  ShortcutSection.EVERYWHERE,
  'Go to Merged Changes'
);
describe(
  Shortcut.GO_TO_ABANDONED_CHANGES,
  ShortcutSection.EVERYWHERE,
  'Go to Abandoned Changes'
);
describe(
  Shortcut.GO_TO_WATCHED_CHANGES,
  ShortcutSection.EVERYWHERE,
  'Go to Watched Changes'
);

describe(
  Shortcut.CURSOR_NEXT_CHANGE,
  ShortcutSection.ACTIONS,
  'Select next change'
);
describe(
  Shortcut.CURSOR_PREV_CHANGE,
  ShortcutSection.ACTIONS,
  'Select previous change'
);
describe(Shortcut.OPEN_CHANGE, ShortcutSection.ACTIONS, 'Show selected change');
describe(Shortcut.NEXT_PAGE, ShortcutSection.ACTIONS, 'Go to next page');
describe(Shortcut.PREV_PAGE, ShortcutSection.ACTIONS, 'Go to previous page');
describe(
  Shortcut.OPEN_REPLY_DIALOG,
  ShortcutSection.ACTIONS,
  'Open reply dialog to publish comments and add reviewers'
);
describe(
  Shortcut.OPEN_DOWNLOAD_DIALOG,
  ShortcutSection.ACTIONS,
  'Open download overlay'
);
describe(
  Shortcut.EXPAND_ALL_MESSAGES,
  ShortcutSection.ACTIONS,
  'Expand all messages'
);
describe(
  Shortcut.COLLAPSE_ALL_MESSAGES,
  ShortcutSection.ACTIONS,
  'Collapse all messages'
);
describe(
  Shortcut.REFRESH_CHANGE,
  ShortcutSection.ACTIONS,
  'Reload the change at the latest patch'
);
describe(
  Shortcut.TOGGLE_CHANGE_REVIEWED,
  ShortcutSection.ACTIONS,
  'Mark/unmark change as reviewed'
);
describe(
  Shortcut.TOGGLE_FILE_REVIEWED,
  ShortcutSection.ACTIONS,
  'Toggle review flag on selected file'
);
describe(
  Shortcut.REFRESH_CHANGE_LIST,
  ShortcutSection.ACTIONS,
  'Refresh list of changes'
);
describe(
  Shortcut.TOGGLE_CHANGE_STAR,
  ShortcutSection.ACTIONS,
  'Star/unstar change'
);
describe(
  Shortcut.OPEN_SUBMIT_DIALOG,
  ShortcutSection.ACTIONS,
  'Open submit dialog'
);
describe(
  Shortcut.TOGGLE_ATTENTION_SET,
  ShortcutSection.ACTIONS,
  'Toggle attention set status'
);
describe(Shortcut.EDIT_TOPIC, ShortcutSection.ACTIONS, 'Add a change topic');
describe(
  Shortcut.DIFF_AGAINST_BASE,
  ShortcutSection.ACTIONS,
  'Diff against base'
);
describe(
  Shortcut.DIFF_AGAINST_LATEST,
  ShortcutSection.ACTIONS,
  'Diff against latest patchset'
);
describe(
  Shortcut.DIFF_BASE_AGAINST_LEFT,
  ShortcutSection.ACTIONS,
  'Diff base against left'
);
describe(
  Shortcut.DIFF_RIGHT_AGAINST_LATEST,
  ShortcutSection.ACTIONS,
  'Diff right against latest'
);
describe(
  Shortcut.DIFF_BASE_AGAINST_LATEST,
  ShortcutSection.ACTIONS,
  'Diff base against latest'
);

describe(Shortcut.NEXT_LINE, ShortcutSection.DIFFS, 'Go to next line');
describe(Shortcut.PREV_LINE, ShortcutSection.DIFFS, 'Go to previous line');
describe(
  Shortcut.DIFF_AGAINST_BASE,
  ShortcutSection.DIFFS,
  'Diff against base'
);
describe(
  Shortcut.DIFF_AGAINST_LATEST,
  ShortcutSection.DIFFS,
  'Diff against latest patchset'
);
describe(
  Shortcut.DIFF_BASE_AGAINST_LEFT,
  ShortcutSection.DIFFS,
  'Diff base against left'
);
describe(
  Shortcut.DIFF_RIGHT_AGAINST_LATEST,
  ShortcutSection.DIFFS,
  'Diff right against latest'
);
describe(
  Shortcut.DIFF_BASE_AGAINST_LATEST,
  ShortcutSection.DIFFS,
  'Diff base against latest'
);
describe(
  Shortcut.VISIBLE_LINE,
  ShortcutSection.DIFFS,
  'Move cursor to currently visible code'
);
describe(Shortcut.NEXT_CHUNK, ShortcutSection.DIFFS, 'Go to next diff chunk');
describe(
  Shortcut.PREV_CHUNK,
  ShortcutSection.DIFFS,
  'Go to previous diff chunk'
);
describe(
  Shortcut.TOGGLE_ALL_DIFF_CONTEXT,
  ShortcutSection.DIFFS,
  'Toggle all diff context'
);
describe(
  Shortcut.NEXT_COMMENT_THREAD,
  ShortcutSection.DIFFS,
  'Go to next comment thread'
);
describe(
  Shortcut.PREV_COMMENT_THREAD,
  ShortcutSection.DIFFS,
  'Go to previous comment thread'
);
describe(
  Shortcut.EXPAND_ALL_COMMENT_THREADS,
  ShortcutSection.DIFFS,
  'Expand all comment threads'
);
describe(
  Shortcut.COLLAPSE_ALL_COMMENT_THREADS,
  ShortcutSection.DIFFS,
  'Collapse all comment threads'
);
describe(
  Shortcut.TOGGLE_HIDE_ALL_COMMENT_THREADS,
  ShortcutSection.DIFFS,
  'Hide/Display all comment threads'
);
describe(Shortcut.LEFT_PANE, ShortcutSection.DIFFS, 'Select left pane');
describe(Shortcut.RIGHT_PANE, ShortcutSection.DIFFS, 'Select right pane');
describe(
  Shortcut.TOGGLE_LEFT_PANE,
  ShortcutSection.DIFFS,
  'Hide/show left diff'
);
describe(Shortcut.NEW_COMMENT, ShortcutSection.DIFFS, 'Draft new comment');
describe(Shortcut.SAVE_COMMENT, ShortcutSection.DIFFS, 'Save comment');
describe(
  Shortcut.OPEN_DIFF_PREFS,
  ShortcutSection.DIFFS,
  'Show diff preferences'
);
describe(
  Shortcut.TOGGLE_DIFF_REVIEWED,
  ShortcutSection.DIFFS,
  'Mark/unmark file as reviewed'
);
describe(
  Shortcut.TOGGLE_DIFF_MODE,
  ShortcutSection.DIFFS,
  'Toggle unified/side-by-side diff'
);
describe(
  Shortcut.NEXT_UNREVIEWED_FILE,
  ShortcutSection.DIFFS,
  'Mark file as reviewed and go to next unreviewed file'
);
describe(Shortcut.TOGGLE_BLAME, ShortcutSection.DIFFS, 'Toggle blame');

describe(Shortcut.NEXT_FILE, ShortcutSection.NAVIGATION, 'Go to next file');
describe(Shortcut.PREV_FILE, ShortcutSection.NAVIGATION, 'Go to previous file');
describe(
  Shortcut.NEXT_FILE_WITH_COMMENTS,
  ShortcutSection.NAVIGATION,
  'Go to next file that has comments'
);
describe(
  Shortcut.PREV_FILE_WITH_COMMENTS,
  ShortcutSection.NAVIGATION,
  'Go to previous file that has comments'
);
describe(
  Shortcut.OPEN_FIRST_FILE,
  ShortcutSection.NAVIGATION,
  'Go to first file'
);
describe(
  Shortcut.OPEN_LAST_FILE,
  ShortcutSection.NAVIGATION,
  'Go to last file'
);
describe(
  Shortcut.UP_TO_DASHBOARD,
  ShortcutSection.NAVIGATION,
  'Up to dashboard'
);
describe(Shortcut.UP_TO_CHANGE, ShortcutSection.NAVIGATION, 'Up to change');

describe(
  Shortcut.CURSOR_NEXT_FILE,
  ShortcutSection.FILE_LIST,
  'Select next file'
);
describe(
  Shortcut.CURSOR_PREV_FILE,
  ShortcutSection.FILE_LIST,
  'Select previous file'
);
describe(Shortcut.OPEN_FILE, ShortcutSection.FILE_LIST, 'Go to selected file');
describe(
  Shortcut.TOGGLE_ALL_INLINE_DIFFS,
  ShortcutSection.FILE_LIST,
  'Show/hide all inline diffs'
);
describe(
  Shortcut.TOGGLE_HIDE_ALL_COMMENT_THREADS,
  ShortcutSection.FILE_LIST,
  'Hide/Display all comment threads'
);
describe(
  Shortcut.TOGGLE_INLINE_DIFF,
  ShortcutSection.FILE_LIST,
  'Show/hide selected inline diff'
);

describe(Shortcut.SEND_REPLY, ShortcutSection.REPLY_DIALOG, 'Send reply');
describe(
  Shortcut.EMOJI_DROPDOWN,
  ShortcutSection.REPLY_DIALOG,
  'Emoji dropdown'
);