/**
 * DC-166: MCP control-plane completion — 11 new tools (28 total).
 * Proves: tool catalog integrity (names unique/aligned with handlers),
 * each new handler hits the RIGHT method+path+body (captured fetchImpl),
 * calendar days->ISO window translation, security summary fan-out,
 * DNS delete query construction, and credential passthrough on writes.
 */

'use strict';

const { TOOLS, createToolHandler } = require('../../src/mcp/mcp-core');

function harness(handlerOpts = {}) {
  const calls = [];
  const fetchImpl = async (url, opts) => {
    calls.push({ url, method: opts.method, headers: opts.headers, body: opts.body ? JSON.parse(opts.body) : undefined });
    return { ok: true, status: 200, text: async () => JSON.stringify({ success: true, echo: calls[calls.length - 1] }) };
  };
  const handleTool = createToolHandler({
    baseUrl: 'http://127.0.0.1:1',
    apiKey: 'dk_' + 'test_key',
    fetchImpl,
    ...handlerOpts,
  });
  return { calls, handleTool };
}

const NEW_TOOLS = [
  'dashcaddy_calendar_events', 'dashcaddy_calendar_add_source',
  'dashcaddy_security_events', 'dashcaddy_security_summary',
  'dashcaddy_license_status', 'dashcaddy_capabilities',
  'dashcaddy_dns_add_record', 'dashcaddy_dns_remove_record',
  'dashcaddy_deploy_recipe', 'dashcaddy_run_workflow',
  'dashcaddy_tailscale_status',
];

describe('DC-166 tool catalog', () => {
  test('all 11 new tools declared, total 28, names unique', () => {
    const names = TOOLS.map((t) => t.name);
    for (const n of NEW_TOOLS) expect(names).toContain(n);
    expect(names.length).toBe(28);
    expect(new Set(names).size).toBe(28);
  });

  test('every tool has description + object inputSchema', () => {
    for (const t of TOOLS) {
      expect(typeof t.description).toBe('string');
      expect(t.description.length).toBeGreaterThan(10);
      expect(t.inputSchema.type).toBe('object');
    }
  });

  test('required fields declared on write tools', () => {
    const byName = Object.fromEntries(TOOLS.map((t) => [t.name, t]));
    expect(byName.dashcaddy_dns_add_record.inputSchema.required).toEqual(['domain', 'ip']);
    expect(byName.dashcaddy_deploy_recipe.inputSchema.required).toEqual(['recipeId']);
    expect(byName.dashcaddy_run_workflow.inputSchema.required).toEqual(['workflowId']);
    expect(byName.dashcaddy_calendar_add_source.inputSchema.required).toEqual(['name', 'type', 'url']);
    expect(byName.dashcaddy_calendar_add_source.inputSchema.properties.type.enum).toEqual(['caldav', 'ics']);
  });
});

describe('DC-166 handler routing (captured fetchImpl)', () => {
  test('calendar_events translates days into ISO start/end window', async () => {
    const { calls, handleTool } = harness();
    const before = Date.now();
    await handleTool('dashcaddy_calendar_events', { days: 7 });
    expect(calls).toHaveLength(1);
    expect(calls[0].method).toBe('GET');
    const u = new URL(calls[0].url);
    expect(u.pathname).toBe('/api/v1/calendar/events');
    const start = new Date(u.searchParams.get('start'));
    const end = new Date(u.searchParams.get('end'));
    expect(Math.abs(start.getTime() - before)).toBeLessThan(60000);
    // ~7-day window: allow 1s scheduling slack around exactly 7*86400s
    expect(end - start).toBeGreaterThanOrEqual(7 * 86400e3 - 1000);
    expect(end - start).toBeLessThanOrEqual(7 * 86400e3 + 60000);
  });

  test('calendar_events defaults to 14 days and clamps to 60', async () => {
    const { calls, handleTool } = harness();
    await handleTool('dashcaddy_calendar_events', {});
    const u0 = new URL(calls[0].url);
    const span0 = new Date(u0.searchParams.get('end')) - new Date(u0.searchParams.get('start'));
    expect(Math.round(span0 / 86400e3)).toBe(14);
    await handleTool('dashcaddy_calendar_events', { days: 999 });
    const u = new URL(calls[1].url);
    const span = new Date(u.searchParams.get('end')) - new Date(u.searchParams.get('start'));
    expect(Math.round(span / 86400e3)).toBe(60);
  });

  test('calendar_add_source posts credentials through, omits absent fields', async () => {
    const { calls, handleTool } = harness();
    await handleTool('dashcaddy_calendar_add_source', { name: 'P', type: 'caldav', url: 'https://c.example/dav', user: 'u1', pass: 'p1' });
    await handleTool('dashcaddy_calendar_add_source', { name: 'F', type: 'ics', url: 'https://f.example/a.ics' });
    await handleTool('dashcaddy_calendar_add_source', { name: 'T', type: 'caldav', url: 'https://c2.example/dav', token: 'tok_123' });
    expect(calls[0].method).toBe('POST');
    expect(calls[0].url).toBe('http://127.0.0.1:1/api/v1/calendar/sources');
    expect(calls[0].body).toEqual({ name: 'P', type: 'caldav', url: 'https://c.example/dav', user: 'u1', pass: 'p1' });
    expect(calls[1].body.user).toBeUndefined();
    expect(calls[1].body.pass).toBeUndefined();
    // token auth variant is forwarded (route accepts user+pass OR token)
    expect(calls[2].body).toEqual({ name: 'T', type: 'caldav', url: 'https://c2.example/dav', token: 'tok_123' });
  });

  test('security_events passes only provided filters as query string', async () => {
    const { calls, handleTool } = harness();
    await handleTool('dashcaddy_security_events', { limit: 5, severity: 'critical' });
    await handleTool('dashcaddy_security_events', {});
    const u1 = new URL(calls[0].url);
    expect(u1.pathname).toBe('/api/v1/security/events');
    expect(u1.searchParams.get('limit')).toBe('5');
    expect(u1.searchParams.get('severity')).toBe('critical');
    expect(u1.searchParams.get('source_type')).toBeNull();
    expect(calls[1].url).toBe('http://127.0.0.1:1/api/v1/security/events');
  });

  test('security_summary fans out stats+perimeter, respects withPerimeter false', async () => {
    const { calls, handleTool } = harness();
    const r1 = await handleTool('dashcaddy_security_summary', {});
    expect(calls.map(c => c.url)).toEqual([
      'http://127.0.0.1:1/api/v1/security/events/stats',
      'http://127.0.0.1:1/api/v1/security/events/perimeter',
    ]);
    expect(r1.stats).toBeDefined();
    expect(r1.perimeter).toBeDefined();
    calls.length = 0;
    const r2 = await handleTool('dashcaddy_security_summary', { withPerimeter: false });
    expect(calls).toHaveLength(1);
    expect(r2.success).toBe(true);
  });

  test('license_status and capabilities read the right endpoints', async () => {
    const { calls, handleTool } = harness();
    await handleTool('dashcaddy_license_status', {});
    await handleTool('dashcaddy_capabilities', {});
    expect(calls[0].url).toBe('http://127.0.0.1:1/api/v1/license/status');
    expect(calls[0].method).toBe('GET');
    expect(calls[1].url).toBe('http://127.0.0.1:1/api/v1/capabilities');
  });

  test('dns_add_record posts the provider schema body', async () => {
    const { calls, handleTool } = harness();
    await handleTool('dashcaddy_dns_add_record', { domain: 'x.home.example', ip: '10.0.0.5', ttl: 300 });
    expect(calls[0].method).toBe('POST');
    expect(calls[0].url).toBe('http://127.0.0.1:1/api/v1/dns/record');
    expect(calls[0].body).toEqual({ domain: 'x.home.example', ip: '10.0.0.5', ttl: 300 });
    await handleTool('dashcaddy_dns_add_record', { domain: 'y.home.example', ip: '10.0.0.6' });
    expect(calls[1].body.ttl).toBeUndefined();
  });

  test('dns_remove_record deletes with encoded query, type defaults A', async () => {
    const { calls, handleTool } = harness();
    await handleTool('dashcaddy_dns_remove_record', { domain: 'a b.example', type: 'CNAME' });
    await handleTool('dashcaddy_dns_remove_record', { domain: 'z.example', ipAddress: '1.2.3.4' });
    expect(calls[0].method).toBe('DELETE');
    const u0 = new URL(calls[0].url);
    expect(u0.pathname).toBe('/api/v1/dns/record');
    expect(u0.searchParams.get('domain')).toBe('a b.example');
    expect(u0.searchParams.get('type')).toBe('CNAME');
    const u1 = new URL(calls[1].url);
    expect(u1.searchParams.get('type')).toBe('A');
    expect(u1.searchParams.get('ipAddress')).toBe('1.2.3.4');
  });

  test('deploy_recipe maps overrides to config body', async () => {
    const { calls, handleTool } = harness();
    await handleTool('dashcaddy_deploy_recipe', { recipeId: 'media-stack', overrides: { plex: { port: 32400 } } });
    expect(calls[0].method).toBe('POST');
    expect(calls[0].url).toBe('http://127.0.0.1:1/api/v1/recipes/deploy');
    expect(calls[0].body).toEqual({ recipeId: 'media-stack', config: { plex: { port: 32400 } } });
    await handleTool('dashcaddy_deploy_recipe', { recipeId: 'x' });
    expect(calls[1].body.config).toBeUndefined();
  });

  test('run_workflow posts encoded id to /run, tailscale_status reads status', async () => {
    const { calls, handleTool } = harness();
    await handleTool('dashcaddy_run_workflow', { workflowId: 'disk space alert' });
    expect(calls[0].method).toBe('POST');
    expect(decodeURIComponent(calls[0].url)).toBe('http://127.0.0.1:1/api/v1/workflows/disk space alert/run');
    expect(calls[0].url).toContain('disk%20space%20alert');
    await handleTool('dashcaddy_tailscale_status', {});
    expect(calls[1].url).toBe('http://127.0.0.1:1/api/v1/tailscale/status');
    expect(calls[1].method).toBe('GET');
  });

  test('credential passthrough preserved on the new write tools (x-api-key)', async () => {
    const { calls, handleTool } = harness();
    await handleTool('dashcaddy_dns_add_record', { domain: 'w.example', ip: '1.1.1.1' });
    expect(calls[0].headers['x-api-key']).toBe('dk_' + 'test_key');
  });

  test('unknown tool still rejected after catalog extension', async () => {
    const { handleTool } = harness();
    const r = await handleTool('dashcaddy_delete_everything', {});
    expect(r.error).toBe(true);
    expect(r.message).toMatch(/Unknown tool/);
  });
});