import type { ActionSet, ActionDefinition } from '../types';

/**
 * ActionSet for theme switching actions.
 */
export class ThemeActionSet implements ActionSet {
  readonly id = 'theme';

  constructor(
    private setTheme: (
      theme: 'light' | 'dark' | ((prev: 'light' | 'dark') => 'light' | 'dark'),
    ) => void,
  ) {}

  getActions(): ActionDefinition[] {
    return [
      {
        id: 'toggle',
        name: 'Toggle theme',
        description: 'Switch between light and dark mode',
        execute: () =>
          this.setTheme((prev) => (prev === 'light' ? 'dark' : 'light')),
      },
    ];
  }
}