import { describe, it, expect, beforeEach, vi } from 'vitest';
import { registerMenuCommands } from '@/lib/commands/register-menu-commands';
import { useCommandStore } from '@/stores/command-store';
import { useAppStore } from '@/stores/app-store';
import { useFileStore } from '@/stores/file-store';
import { useEditorStore } from '@/stores/editor-store';

describe('modal commands', () => {
  beforeEach(() => {
    localStorage.clear();
    useCommandStore.setState({ handlers: {}, userBindings: {} } as any);
    useAppStore.setState({ modal: { kind: null } } as any);
    useFileStore.setState({
      activeTabId: '/x.md',
      openTabs: [{ id: '/x.md', path: '/x.md', title: 'x.md', dirty: false }],
    } as any);
    useEditorStore.setState({
      buffers: new Map([['/x.md', { id: '/x.md', path: '/x.md', content: '# hi', dirty: false }]]),
    } as any);
  });

  it('settings.open opens settings modal', () => {
    registerMenuCommands();
    useCommandStore.getState().dispatch('settings.open');
    expect(useAppStore.getState().modal).toEqual({ kind: 'settings' });
  });

  it('help.about opens about modal', () => {
    registerMenuCommands();
    useCommandStore.getState().dispatch('help.about');
    expect(useAppStore.getState().modal).toEqual({ kind: 'about' });
  });

  it('help.welcome opens welcome modal', () => {
    registerMenuCommands();
    useCommandStore.getState().dispatch('help.welcome');
    expect(useAppStore.getState().modal).toEqual({ kind: 'welcome' });
  });

  it('file.exportPdf opens export-pdf modal with active path', () => {
    registerMenuCommands();
    useCommandStore.getState().dispatch('file.exportPdf');
    expect(useAppStore.getState().modal).toEqual({
      kind: 'export-pdf',
      props: { sourcePath: '/x.md' },
    });
  });

  it('file.exportDocx opens export-docx modal', () => {
    registerMenuCommands();
    useCommandStore.getState().dispatch('file.exportDocx');
    expect(useAppStore.getState().modal).toEqual({
      kind: 'export-docx',
      props: { sourcePath: '/x.md' },
    });
  });

  it('file.exportBatch opens export-batch modal with all open files', () => {
    useFileStore.setState({
      activeTabId: '/x.md',
      openTabs: [
        { id: '/x.md', path: '/x.md', title: 'x.md', dirty: false },
        { id: '/y.md', path: '/y.md', title: 'y.md', dirty: false },
      ],
    } as any);
    registerMenuCommands();
    useCommandStore.getState().dispatch('file.exportBatch');
    expect(useAppStore.getState().modal).toEqual({
      kind: 'export-batch',
      props: { sourcePaths: ['/x.md', '/y.md'] },
    });
  });

  it('settings.headerFooter opens header-footer modal', () => {
    registerMenuCommands();
    useCommandStore.getState().dispatch('settings.headerFooter');
    expect(useAppStore.getState().modal).toEqual({ kind: 'header-footer' });
  });

  it('tools.universalConverter opens universal-converter modal', () => {
    registerMenuCommands();
    useCommandStore.getState().dispatch('tools.universalConverter');
    expect(useAppStore.getState().modal).toEqual({ kind: 'universal-converter' });
  });

  it('shortcuts.show dispatches command palette toggle event', () => {
    const listener = vi.fn();
    window.addEventListener('mc:command-palette-toggle', listener);
    registerMenuCommands();
    useCommandStore.getState().dispatch('shortcuts.show');
    expect(listener).toHaveBeenCalled();
    window.removeEventListener('mc:command-palette-toggle', listener);
  });
});