import { describe, expect, it, vi } from 'vitest';
import type { ToolSession } from '../../tools/index.js';
import { createTouchedSlSources, type ToolContext } from '../../tools/index.js';
import { WikiRemoveTool } from './wiki-remove.tool.js';

describe('WikiRemoveTool', () => {
  const baseContext: ToolContext = { sourceId: 's', messageId: 'm', userId: 'u' };

  it('removes an existing page when no session is present', async () => {
    const wikiService = {
      deletePage: vi.fn().mockResolvedValue(undefined),
      deleteFromIndex: vi.fn().mockResolvedValue(undefined),
    };
    const pagesRepository = {
      findPageByKey: vi.fn().mockResolvedValue({ page_key: 'old' }),
    };
    const knowledgeRepository = { createEvent: vi.fn().mockResolvedValue(undefined) };
    const tool = new WikiRemoveTool(wikiService as any, pagesRepository as any, knowledgeRepository as any);
    const result = await tool.call({ key: 'old' } as any, baseContext);
    expect(wikiService.deletePage).toHaveBeenCalledTimes(1);
    expect(wikiService.deleteFromIndex).toHaveBeenCalledTimes(1);
    expect(result.markdown).toMatch(/removed/i);
  });

  it('skips deleteFromIndex when session is worktree-scoped', async () => {
    const wikiService = {
      deletePage: vi.fn().mockResolvedValue(undefined),
      deleteFromIndex: vi.fn().mockResolvedValue(undefined),
    };
    const pagesRepository = { findPageByKey: vi.fn().mockResolvedValue({ page_key: 'old' }) };
    const knowledgeRepository = { createEvent: vi.fn().mockResolvedValue(undefined) };
    const tool = new WikiRemoveTool(wikiService as any, pagesRepository as any, knowledgeRepository as any);
    const session: ToolSession = {
      connectionId: 'c',
      isWorktreeScoped: true,
      preHead: null,
      touchedSlSources: createTouchedSlSources(),
      actions: [],
      semanticLayerService: {} as any,
      wikiService: wikiService as any,
      configService: {} as any,
      gitService: {} as any,
    };
    await tool.call({ key: 'old' } as any, { ...baseContext, session });
    expect(wikiService.deletePage).toHaveBeenCalledTimes(1);
    expect(wikiService.deleteFromIndex).not.toHaveBeenCalled();
    expect(session.actions).toContainEqual(expect.objectContaining({ target: 'wiki', type: 'removed', key: 'old' }));
  });

  it('returns a friendly message when the page does not exist', async () => {
    const wikiService = { deletePage: vi.fn(), deleteFromIndex: vi.fn() };
    const pagesRepository = { findPageByKey: vi.fn().mockResolvedValue(null) };
    const knowledgeRepository = { createEvent: vi.fn() };
    const tool = new WikiRemoveTool(wikiService as any, pagesRepository as any, knowledgeRepository as any);
    const result = await tool.call({ key: 'missing' } as any, baseContext);
    expect(result.structured.success).toBe(false);
    expect(result.markdown).toMatch(/not found/i);
  });
});