/**
 * Tests for scripts/dashboard-web.js
 */

const assert = require('assert');
const fs = require('fs');
const os = require('os');
const path = require('path');
const http = require('http');

const SCRIPT = path.join(__dirname, '..', '..', 'scripts', 'dashboard-web.js');

let testRoot;
let testPassed = 0;
let testFailed = 0;

function test(name, fn) {
  try {
    fn();
    console.log(`  ✓ ${name}`);
    testPassed++;
    return true;
  } catch (error) {
    console.log(`  ✗ ${name}`);
    console.log(`    Error: ${error.message}`);
    testFailed++;
    return false;
  }
}

function createTempDir(prefix) {
  return fs.mkdtempSync(path.join(os.tmpdir(), prefix));
}

function cleanup(dirPath) {
  fs.rmSync(dirPath, { recursive: true, force: true });
}

function writeFile(rootDir, relativePath, content) {
  const targetPath = path.join(rootDir, relativePath);
  fs.mkdirSync(path.dirname(targetPath), { recursive: true });
  fs.writeFileSync(targetPath, content);
}

// ===================== parsePort =====================

test('parsePort returns 3456 for undefined', () => {
  const { parsePort } = require(SCRIPT);
  assert.strictEqual(parsePort(undefined), 3456);
});

test('parsePort returns numeric port for valid string', () => {
  const { parsePort } = require(SCRIPT);
  assert.strictEqual(parsePort('8080'), 8080);
  assert.strictEqual(parsePort('3456'), 3456);
});

test('parsePort returns numeric port for numeric input', () => {
  const { parsePort } = require(SCRIPT);
  assert.strictEqual(parsePort(8080), 8080);
});

test('parsePort returns 3456 for port below 1', () => {
  const { parsePort } = require(SCRIPT);
  assert.strictEqual(parsePort('-1'), 3456);
  assert.strictEqual(parsePort('0'), 3456);
});

test('parsePort returns 3456 for port above 65535', () => {
  const { parsePort } = require(SCRIPT);
  assert.strictEqual(parsePort('70000'), 3456);
  assert.strictEqual(parsePort('65536'), 3456);
});

test('parsePort accepts boundary ports 1 and 65535', () => {
  const { parsePort } = require(SCRIPT);
  assert.strictEqual(parsePort('1'), 1);
  assert.strictEqual(parsePort('65535'), 65535);
});

test('parsePort returns 3456 for non-numeric string', () => {
  const { parsePort } = require(SCRIPT);
  assert.strictEqual(parsePort('abc'), 3456);
  assert.strictEqual(parsePort(''), 3456);
});

// ===================== readFrontmatter =====================

test('readFrontmatter parses simple frontmatter', () => {
  const { readFrontmatter } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  writeFile(testRoot, 'test.md', [
    '---',
    'name: test-agent',
    'description: A test agent description',
    'model: claude-sonnet-4-6',
    '---',
    '# Body content',
    'This is the body.',
  ].join('\n'));

  const fm = readFrontmatter(path.join(testRoot, 'test.md'));
  assert.strictEqual(fm.name, 'test-agent');
  assert.strictEqual(fm.description, 'A test agent description');
  assert.strictEqual(fm.model, 'claude-sonnet-4-6');
  assert.ok(fm._body.includes('# Body content'));
  cleanup(testRoot);
});

test('readFrontmatter parses array tools field', () => {
  const { readFrontmatter } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  writeFile(testRoot, 'agent.md', [
    '---',
    'name: array-agent',
    'tools: [Bash, Read, Write]',
    '---',
    'body',
  ].join('\n'));

  const fm = readFrontmatter(path.join(testRoot, 'agent.md'));
  assert.strictEqual(fm.name, 'array-agent');
  assert.ok(Array.isArray(fm.tools));
  assert.deepStrictEqual(fm.tools, ['Bash', 'Read', 'Write']);
  cleanup(testRoot);
});

test('readFrontmatter handles quoted values', () => {
  const { readFrontmatter } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  writeFile(testRoot, 'test.md', [
    '---',
    'name: "quoted-name"',
    "description: 'single-quoted-desc'",
    '---',
    'body',
  ].join('\n'));

  const fm = readFrontmatter(path.join(testRoot, 'test.md'));
  assert.strictEqual(fm.name, 'quoted-name');
  assert.strictEqual(fm.description, 'single-quoted-desc');
  cleanup(testRoot);
});

test('readFrontmatter returns empty object for file without frontmatter', () => {
  const { readFrontmatter } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  writeFile(testRoot, 'no-fm.md', '# Just a heading\nNo frontmatter here.');

  const fm = readFrontmatter(path.join(testRoot, 'no-fm.md'));
  assert.deepStrictEqual(fm, {});
  cleanup(testRoot);
});

test('readFrontmatter returns empty object for missing file', () => {
  const { readFrontmatter } = require(SCRIPT);
  const fm = readFrontmatter('/nonexistent/path/test.md');
  assert.deepStrictEqual(fm, {});
});

// ===================== readSkill =====================

test('readSkill parses skill frontmatter and body', () => {
  const { readSkill } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  writeFile(testRoot, 'SKILL.md', [
    '---',
    'name: test-skill',
    'description: A test skill',
    '---',
    '# Skill Workflow',
    'Step 1: Do this.',
  ].join('\n'));

  const skill = readSkill(path.join(testRoot, 'SKILL.md'));
  assert.strictEqual(skill.d, 'A test skill');
  assert.ok(skill.b.includes('# Skill Workflow'));
  assert.ok(!skill.b.includes('---')); // frontmatter stripped from body
  cleanup(testRoot);
});

test('readSkill returns empty defaults for missing file', () => {
  const { readSkill } = require(SCRIPT);
  const skill = readSkill('/nonexistent/skill/SKILL.md');
  assert.strictEqual(skill.d, '');
  assert.strictEqual(skill.b, '');
});

// ===================== loadAgents =====================

test('loadAgents returns empty array for missing directory', () => {
  const { loadAgents } = require(SCRIPT);
  const agents = loadAgents('/nonexistent/path');
  assert.deepStrictEqual(agents, []);
});

test('loadAgents loads agent markdown files', () => {
  const { loadAgents } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  writeFile(testRoot, 'agents/typescript-reviewer.md', [
    '---',
    'name: typescript-reviewer',
    'description: Reviews TypeScript code',
    'model: claude-sonnet-4-6',
    'tools: [Bash, Read, Write, Grep]',
    '---',
    '# TypeScript Reviewer',
    'You are a TypeScript code reviewer.',
  ].join('\n'));
  writeFile(testRoot, 'agents/python-reviewer.md', [
    '---',
    'name: python-reviewer',
    'description: Reviews Python code',
    'model: claude-opus-4-8',
    'tools: [Bash, Read]',
    '---',
    '# Python Reviewer',
  ].join('\n'));

  const agents = loadAgents(testRoot);
  assert.strictEqual(agents.length, 2);
  assert.strictEqual(agents[0].n, 'python-reviewer'); // alphabetical sort
  assert.strictEqual(agents[1].n, 'typescript-reviewer');
  assert.strictEqual(agents[1].m, 'claude-sonnet-4-6');
  assert.strictEqual(agents[1].d, 'Reviews TypeScript code');
  assert.deepStrictEqual(agents[1].t, ['Bash', 'Read', 'Write', 'Grep']);
  assert.ok(agents[1].b.length > 0);
  cleanup(testRoot);
});

test('loadAgents defaults missing fields', () => {
  const { loadAgents } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  writeFile(testRoot, 'agents/minimal.md', [
    '# Minimal Agent',
    'No frontmatter at all.',
  ].join('\n'));

  const agents = loadAgents(testRoot);
  assert.strictEqual(agents.length, 1);
  assert.strictEqual(agents[0].n, 'minimal');
  assert.strictEqual(agents[0].m, 'default');
  assert.strictEqual(agents[0].d, '');
  assert.deepStrictEqual(agents[0].t, []);
  cleanup(testRoot);
});

test('loadAgents ignores non-markdown files', () => {
  const { loadAgents } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  writeFile(testRoot, 'agents/agent.md', '---\nname: real-agent\n---\nbody');
  writeFile(testRoot, 'agents/README.txt', 'not an agent');

  const agents = loadAgents(testRoot);
  assert.strictEqual(agents.length, 1);
  assert.strictEqual(agents[0].n, 'real-agent');
  cleanup(testRoot);
});

// ===================== loadSkills =====================

test('loadSkills returns empty array for missing directory', () => {
  const { loadSkills } = require(SCRIPT);
  const skills = loadSkills('/nonexistent/path');
  assert.deepStrictEqual(skills, []);
});

test('loadSkills loads skill directories with SKILL.md', () => {
  const { loadSkills } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  writeFile(testRoot, 'skills/seo-audit/SKILL.md', [
    '---',
    'name: seo-audit',
    'description: Full website SEO audit',
    '---',
    '# SEO Audit Workflow',
  ].join('\n'));
  writeFile(testRoot, 'skills/code-review/SKILL.md', [
    '---',
    'name: code-review',
    'description: Review code changes',
    '---',
    '# Code Review Workflow',
  ].join('\n'));

  const skills = loadSkills(testRoot);
  assert.strictEqual(skills.length, 2);
  assert.strictEqual(skills[0].n, 'code-review'); // alphabetical sort
  assert.strictEqual(skills[1].n, 'seo-audit');
  assert.strictEqual(skills[1].d, 'Full website SEO audit');
  assert.ok(skills[1].b.length > 0);
  cleanup(testRoot);
});

test('loadSkills ignores non-directories', () => {
  const { loadSkills } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  writeFile(testRoot, 'skills/README.md', 'no skill here');
  writeFile(testRoot, 'skills/real-skill/SKILL.md', '---\ndescription: A real skill\n---\nbody');

  const skills = loadSkills(testRoot);
  assert.strictEqual(skills.length, 1);
  assert.strictEqual(skills[0].n, 'real-skill');
  cleanup(testRoot);
});

// ===================== loadCommands =====================

test('loadCommands returns empty array for missing directory', () => {
  const { loadCommands } = require(SCRIPT);
  const commands = loadCommands('/nonexistent/path');
  assert.deepStrictEqual(commands, []);
});

test('loadCommands loads command markdown files with category detection', () => {
  const { loadCommands } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  writeFile(testRoot, 'commands/pr.md', [
    '---',
    'description: Create a pull request',
    '---',
    'body',
  ].join('\n'));
  writeFile(testRoot, 'commands/go-test.md', [
    '---',
    'description: Run Go tests',
    '---',
    'body',
  ].join('\n'));
  writeFile(testRoot, 'commands/unknown-cmd.md', [
    '---',
    'description: Some unknown command',
    '---',
    'body',
  ].join('\n'));

  const commands = loadCommands(testRoot);
  assert.strictEqual(commands.length, 3);

  const prCmd = commands.find(c => c.n === '/pr');
  assert.ok(prCmd);
  assert.strictEqual(prCmd.c, 'Git & PR');
  assert.strictEqual(prCmd.d, 'Create a pull request');

  const goCmd = commands.find(c => c.n === '/go-test');
  assert.ok(goCmd);
  assert.strictEqual(goCmd.c, 'Languages');

  const unknownCmd = commands.find(c => c.n === '/unknown-cmd');
  assert.ok(unknownCmd);
  assert.strictEqual(unknownCmd.c, 'Other');
  cleanup(testRoot);
});

// ===================== loadRules =====================

test('loadRules returns empty array for missing directory', () => {
  const { loadRules } = require(SCRIPT);
  const rules = loadRules('/nonexistent/path');
  assert.deepStrictEqual(rules, []);
});

test('loadRules loads language directories with rule files', () => {
  const { loadRules } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  writeFile(testRoot, 'rules/python/coding-style.md', '');
  writeFile(testRoot, 'rules/python/testing.md', '');
  writeFile(testRoot, 'rules/python/patterns.md', '');
  writeFile(testRoot, 'rules/typescript/coding-style.md', '');
  writeFile(testRoot, 'rules/typescript/testing.md', '');

  const rules = loadRules(testRoot);
  assert.strictEqual(rules.length, 2);

  const pyRules = rules.find(r => r.l === 'python');
  assert.ok(pyRules);
  assert.strictEqual(pyRules.f.length, 3);
  assert.ok(pyRules.f.includes('coding-style'));
  assert.ok(pyRules.f.includes('testing'));
  assert.ok(pyRules.f.includes('patterns'));

  const tsRules = rules.find(r => r.l === 'typescript');
  assert.ok(tsRules);
  assert.strictEqual(tsRules.f.length, 2);
  cleanup(testRoot);
});

test('loadRules ignores non-directories in rules folder', () => {
  const { loadRules } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  writeFile(testRoot, 'rules/README.md', 'no rules here');
  writeFile(testRoot, 'rules/go/testing.md', '');

  const rules = loadRules(testRoot);
  assert.strictEqual(rules.length, 1);
  assert.strictEqual(rules[0].l, 'go');
  assert.strictEqual(rules[0].f.length, 1);
  assert.strictEqual(rules[0].f[0], 'testing');
  cleanup(testRoot);
});

// ===================== loadMcps =====================

test('loadMcps returns empty array when no configs exist', () => {
  const { loadMcps } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');

  const mcps = loadMcps(testRoot);
  assert.deepStrictEqual(mcps, []);
  cleanup(testRoot);
});

test('loadMcps loads .mcp.json config', () => {
  const { loadMcps } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  writeFile(testRoot, '.mcp.json', JSON.stringify({
    mcpServers: {
      'test-server': {
        command: 'node',
        args: ['server.js'],
        env: { SECRET: 'real-secret' },
        type: 'stdio',
      },
    },
  }));

  const mcps = loadMcps(testRoot);
  assert.strictEqual(mcps.length, 1);
  assert.strictEqual(mcps[0].f, '.mcp.json');
  assert.strictEqual(mcps[0].s.length, 1);
  assert.strictEqual(mcps[0].s[0].n, 'test-server');
  assert.strictEqual(mcps[0].s[0].cmd, 'node');
  assert.deepStrictEqual(mcps[0].s[0].args, ['server.js']);
  assert.strictEqual(mcps[0].s[0].type, 'stdio');
  // Env vars should be masked
  assert.strictEqual(mcps[0].s[0].env.SECRET, '••••••');
  cleanup(testRoot);
});

test('loadMcps loads mcp-configs/ directory files', () => {
  const { loadMcps } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  writeFile(testRoot, 'mcp-configs/brave.json', JSON.stringify({
    mcpServers: {
      'brave-search': {
        command: 'npx',
        args: ['@anthropic/mcp-brave'],
        type: 'stdio',
      },
    },
  }));

  const mcps = loadMcps(testRoot);
  assert.strictEqual(mcps.length, 1);
  assert.strictEqual(mcps[0].f, 'brave.json');
  assert.strictEqual(mcps[0].s.length, 1);
  assert.strictEqual(mcps[0].s[0].n, 'brave-search');
  cleanup(testRoot);
});

test('loadMcps masks environment variables', () => {
  const { loadMcps } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  writeFile(testRoot, 'mcp-configs/with-env.json', JSON.stringify({
    mcpServers: {
      server: {
        command: 'python',
        env: { API_KEY: 'super-secret-key', DEBUG: 'true' },
      },
    },
  }));

  const mcps = loadMcps(testRoot);
  assert.strictEqual(mcps[0].s[0].env.API_KEY, '••••••');
  assert.strictEqual(mcps[0].s[0].env.DEBUG, '••••••');
  cleanup(testRoot);
});

test('loadMcps handles url-based MCP servers', () => {
  const { loadMcps } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  writeFile(testRoot, '.mcp.json', JSON.stringify({
    mcpServers: {
      'remote-server': {
        url: 'https://example.com/mcp',
        type: 'sse',
      },
    },
  }));

  const mcps = loadMcps(testRoot);
  assert.strictEqual(mcps[0].s[0].cmd, 'https://example.com/mcp');
  assert.strictEqual(mcps[0].s[0].type, 'sse');
  cleanup(testRoot);
});

test('loadMcps handles malformed JSON gracefully', () => {
  const { loadMcps } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  writeFile(testRoot, '.mcp.json', '{not valid json}');

  const mcps = loadMcps(testRoot);
  assert.deepStrictEqual(mcps, []); // returns empty array on parse error
  cleanup(testRoot);
});

// ===================== loadHooks =====================

test('loadHooks returns empty array when hooks.json missing', () => {
  const { loadHooks } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');

  const hooks = loadHooks(testRoot);
  assert.deepStrictEqual(hooks, []);
  cleanup(testRoot);
});

test('loadHooks loads hook definitions', () => {
  const { loadHooks } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  writeFile(testRoot, 'hooks/hooks.json', JSON.stringify({
    hooks: {
      'post-commit': [
        { matcher: '*.js', id: 'lint-js', description: 'Lint JS files after commit' },
        { matcher: '*.py', id: 'lint-py', description: 'Lint Python files' },
      ],
      'pre-push': [
        { matcher: '*', id: 'run-tests', description: 'Run all tests before push' },
      ],
    },
  }));

  const hooks = loadHooks(testRoot);
  assert.strictEqual(hooks.length, 3);
  const lintJs = hooks.find(h => h.id === 'lint-js');
  assert.ok(lintJs);
  assert.strictEqual(lintJs.ev, 'post-commit');
  assert.strictEqual(lintJs.m, '*.js');
  assert.strictEqual(lintJs.d, 'Lint JS files after commit');
  cleanup(testRoot);
});

test('loadHooks handles malformed JSON gracefully', () => {
  const { loadHooks } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  writeFile(testRoot, 'hooks/hooks.json', '{invalid}');

  const hooks = loadHooks(testRoot);
  assert.deepStrictEqual(hooks, []);
  cleanup(testRoot);
});

// ===================== LANG =====================

test('LANG object has all expected language keys', () => {
  const { LANG, LANG_KEYS } = require(SCRIPT);
  assert.ok(LANG_KEYS.length >= 10); // at least 10 languages
  // Verify key languages are present
  assert.ok(LANG.en);
  assert.ok(LANG.pt);
  assert.ok(LANG.zh);
  assert.ok(LANG.de);
  assert.strictEqual(LANG_KEYS.length, Object.keys(LANG).length);
});

test('LANG English has all required keys', () => {
  const { LANG } = require(SCRIPT);
  const en = LANG.en;
  assert.ok(en.title);
  assert.ok(en.search);
  assert.ok(en.agents);
  assert.ok(en.skills);
  assert.ok(en.commands);
  assert.ok(en.rules);
  assert.ok(en.mcps);
  assert.ok(en.hooks);
  assert.ok(en.all);
  assert.ok(en.description);
  assert.ok(en.tools);
  assert.ok(en.copied);
});

// ===================== renderHTML =====================

test('renderHTML returns valid HTML string', () => {
  const { renderHTML } = require(SCRIPT);
  const data = {
    agents: [],
    skills: [],
    commands: [],
    rules: [],
    mcps: [],
    hooks: [],
  };
  const html = renderHTML(data);
  assert.ok(typeof html === 'string');
  assert.ok(html.startsWith('<!DOCTYPE html>'));
  assert.ok(html.includes('</html>'));
});

test('renderHTML includes agent data as JSON', () => {
  const { renderHTML } = require(SCRIPT);
  const data = {
    agents: [{ n: 'test-agent', d: 'Test desc', m: 'claude-sonnet-4-6', t: ['Bash'], b: 'body', f: 'test.md' }],
    skills: [],
    commands: [],
    rules: [],
    mcps: [],
    hooks: [],
  };
  const html = renderHTML(data);
  assert.ok(html.includes('test-agent'));
  assert.ok(html.includes('claude-sonnet-4-6'));
});

test('renderHTML escapes HTML in data values', () => {
  const { renderHTML } = require(SCRIPT);
  const data = {
    agents: [],
    skills: [{ n: '<script>alert("xss")</script>', d: 'Skill & description', b: '' }],
    commands: [],
    rules: [],
    mcps: [],
    hooks: [],
  };
  const html = renderHTML(data);
  // The JSON serialization with .replace(/</g, '\\u003c') converts < to < in JS strings
  // So the rendered HTML contains <script> not <script> for data values
  assert.ok(html.includes('\\u003cscript'));
  assert.ok(html.includes('\\u003c/script'));
});

test('renderHTML includes LANG and LANG_KEYS in the output', () => {
  const { renderHTML } = require(SCRIPT);
  const data = { agents: [], skills: [], commands: [], rules: [], mcps: [], hooks: [] };
  const html = renderHTML(data);
  assert.ok(html.includes('ECC Capabilities'));
  assert.ok(html.includes('const L ='));
  assert.ok(html.includes('const LANG_KEYS'));
});

test('renderHTML includes the dashboard title and footer', () => {
  const { renderHTML } = require(SCRIPT);
  const data = { agents: [], skills: [], commands: [], rules: [], mcps: [], hooks: [] };
  const html = renderHTML(data);
  assert.ok(html.includes('ECC Capabilities'));
  assert.ok(html.includes('github.com/affaan-m/ECC'));
});

// ===================== Server / HTTP =====================

test('server returns HTML on GET /', (done) => {
  const { server } = require(SCRIPT);
  // Server may or may not be listening — we start it on a random port
  const testServer = http.createServer(server._events.request);
  testServer.listen(0, () => {
    const port = testServer.address().port;
    http.get(`http://localhost:${port}/`, (res) => {
      assert.strictEqual(res.statusCode, 200);
      assert.strictEqual(res.headers['content-type'], 'text/html; charset=utf-8');
      let body = '';
      res.on('data', (chunk) => { body += chunk; });
      res.on('end', () => {
        assert.ok(body.includes('<!DOCTYPE html>'));
        assert.ok(body.includes('ECC Capabilities'));
        testServer.close();
        done();
      });
    });
  });
});

test('server returns JSON on GET /api/data', (done) => {
  const { server } = require(SCRIPT);
  const testServer = http.createServer(server._events.request);
  testServer.listen(0, () => {
    const port = testServer.address().port;
    http.get(`http://localhost:${port}/api/data`, (res) => {
      assert.strictEqual(res.statusCode, 200);
      assert.strictEqual(res.headers['content-type'], 'application/json');
      let body = '';
      res.on('data', (chunk) => { body += chunk; });
      res.on('end', () => {
        const parsed = JSON.parse(body);
        assert.ok(Array.isArray(parsed.agents));
        assert.ok(Array.isArray(parsed.skills));
        assert.ok(Array.isArray(parsed.commands));
        assert.ok(Array.isArray(parsed.rules));
        assert.ok(Array.isArray(parsed.mcps));
        assert.ok(Array.isArray(parsed.hooks));
        testServer.close();
        done();
      });
    });
  });
});

// ===================== esc function (via HTML output) =====================

test('HTML output escapes angle brackets in renderHTML', () => {
  const { renderHTML } = require(SCRIPT);
  const data = {
    agents: [],
    skills: [{ n: 'bad<script>', d: '<img onerror=alert(1)>', b: '' }],
    commands: [],
    rules: [],
    mcps: [],
    hooks: [],
  };
  const html = renderHTML(data);
  // The < in data values are escaped to < in JS string literals
  // So we should find the escaped form in the output
  assert.ok(html.includes('bad\\u003cscript>'));
  assert.ok(html.includes('\\u003cimg onerror'));
});

// ===================== Edge Cases =====================

test('parsePort handles whitespace', () => {
  const { parsePort } = require(SCRIPT);
  // parseInt handles whitespace naturally
  assert.strictEqual(parsePort(' 8080 '), 8080);
});

test('readFrontmatter handles empty file', () => {
  const { readFrontmatter } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  writeFile(testRoot, 'empty.md', '');

  const fm = readFrontmatter(path.join(testRoot, 'empty.md'));
  assert.deepStrictEqual(fm, {});
  cleanup(testRoot);
});

test('readFrontmatter handles malformed frontmatter', () => {
  const { readFrontmatter } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  writeFile(testRoot, 'malformed.md', [
    '---',
    'name: test',
    'this is not a key value',
    '---',
    'body',
  ].join('\n'));

  const fm = readFrontmatter(path.join(testRoot, 'malformed.md'));
  assert.strictEqual(fm.name, 'test');
  assert.ok(fm._body.includes('body'));
  cleanup(testRoot);
});

test('loadAgents handles empty agents directory', () => {
  const { loadAgents } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  fs.mkdirSync(path.join(testRoot, 'agents'));

  const agents = loadAgents(testRoot);
  assert.deepStrictEqual(agents, []);
  cleanup(testRoot);
});

test('loadSkills handles empty skills directory', () => {
  const { loadSkills } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  fs.mkdirSync(path.join(testRoot, 'skills'));

  const skills = loadSkills(testRoot);
  assert.deepStrictEqual(skills, []);
  cleanup(testRoot);
});

test('loadMcps handles empty mcp-configs directory', () => {
  const { loadMcps } = require(SCRIPT);
  testRoot = createTempDir('ecc-test-');
  fs.mkdirSync(path.join(testRoot, 'mcp-configs'));

  const mcps = loadMcps(testRoot);
  assert.deepStrictEqual(mcps, []);
  cleanup(testRoot);
});

// ===================== Results =====================

console.log(`\nResults: Passed: ${testPassed}, Failed: ${testFailed}`);
process.exit(testFailed > 0 ? 1 : 0);