export interface ShortcutEventLike {
  key: string;
  metaKey: boolean;
  ctrlKey: boolean;
  shiftKey: boolean;
  altKey: boolean;
}

function isMacPlatform(platform: string): boolean {
  return /mac|iphone|ipad|ipod/i.test(platform);
}

export function isTerminalToggleShortcut(
  event: ShortcutEventLike,
  platform = navigator.platform,
): boolean {
  const key = event.key.toLowerCase();
  if (key !== "j") return false;
  if (event.shiftKey || event.altKey) return false;

  if (isMacPlatform(platform)) {
    return event.metaKey && !event.ctrlKey;
  }

  return event.ctrlKey && !event.metaKey;
}

export function isTerminalClearShortcut(
  event: ShortcutEventLike,
  platform = navigator.platform,
): boolean {
  const key = event.key.toLowerCase();

  if (key === "l" && event.ctrlKey && !event.metaKey && !event.altKey && !event.shiftKey) {
    return true;
  }

  return (
    isMacPlatform(platform) &&
    key === "k" &&
    event.metaKey &&
    !event.ctrlKey &&
    !event.altKey &&
    !event.shiftKey
  );
}