/**
 * Tests for MCP tool inputSchema declarations (fix for #1384 / #1413)
 *
 * Validates that search and timeline tools declare their parameters explicitly
 * so MCP clients (Claude Code) can expose them to the LLM.
 */
import { describe, it, expect } from 'bun:test';

// Static schema validation — reads source as text, no server startup needed
const mcpServerPath = new URL('../../src/servers/mcp-server.ts', import.meta.url).pathname;

describe('MCP tool inputSchema declarations', () => {
  let tools: any[];

  // Load tools by reading the source and extracting the exported structure
  // We test the schema shape directly from the source constants
  it('search tool declares query parameter', async () => {
    const src = await Bun.file(mcpServerPath).text();

    // Verify search properties are declared (not empty)
    expect(src).toContain("name: 'search'");
    // Check query is declared in properties after the search tool definition
    const searchSection = src.slice(src.indexOf("name: 'search'"), src.indexOf("name: 'timeline'"));
    expect(searchSection).toContain("query:");
    expect(searchSection).toContain("limit:");
    expect(searchSection).toContain("project:");
    expect(searchSection).toContain("orderBy:");
    expect(searchSection).not.toContain("properties: {}");
  });

  it('timeline tool declares anchor and query parameters', async () => {
    const src = await Bun.file(mcpServerPath).text();

    const timelineSection = src.slice(
      src.indexOf("name: 'timeline'"),
      src.indexOf("name: 'get_observations'")
    );
    expect(timelineSection).toContain("anchor:");
    expect(timelineSection).toContain("query:");
    expect(timelineSection).toContain("depth_before:");
    expect(timelineSection).toContain("depth_after:");
    expect(timelineSection).toContain("project:");
    expect(timelineSection).not.toContain("properties: {}");
  });

  it('get_observations still declares ids (regression check)', async () => {
    const src = await Bun.file(mcpServerPath).text();

    const getObsSection = src.slice(src.indexOf("name: 'get_observations'"));
    expect(getObsSection).toContain("ids:");
    expect(getObsSection).toContain("required:");
  });
});