/**
 * Direct coverage for scripts/ci/catalog.js.
 */

'use strict';

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

const {
  buildCatalog,
  formatExpectation,
  runCatalogCheck,
} = require('../../scripts/ci/catalog');

function createTestDir() {
  return fs.mkdtempSync(path.join(os.tmpdir(), 'ecc-ci-catalog-'));
}

function cleanupTestDir(testDir) {
  fs.rmSync(testDir, { recursive: true, force: true });
}

function writeCountedFiles(root, category, count) {
  const dir = path.join(root, category);
  fs.mkdirSync(dir, { recursive: true });

  for (let index = 1; index <= count; index += 1) {
    if (category === 'skills') {
      const skillDir = path.join(dir, `skill-${index}`);
      fs.mkdirSync(skillDir, { recursive: true });
      fs.writeFileSync(path.join(skillDir, 'SKILL.md'), `# Skill ${index}\n`);
    } else {
      fs.writeFileSync(path.join(dir, `${category}-${index}.md`), `# ${category} ${index}\n`);
    }
  }
}

function writeEnglishReadme(root, counts, options = {}) {
  const tableCounts = options.tableCounts || counts;
  const parityCounts = options.parityCounts || counts;
  const unrelatedSkillsCount = options.unrelatedSkillsCount || 16;

  fs.writeFileSync(path.join(root, 'README.md'), `Access to ${counts.agents} agents, ${counts.skills} skills, and ${counts.commands} commands.
| Feature | Claude Code | Cursor IDE | Codex CLI | OpenCode |
| --- | --- | --- | --- | --- |
| Agents | PASS: ${tableCounts.agents} agents |
| Commands | PASS: ${tableCounts.commands} commands |
| Skills | PASS: ${tableCounts.skills} skills |

| Feature | Count | Format |
| --- | ---: | --- |
| Skills | ${unrelatedSkillsCount} | .agents/skills/ |

## Cross-Tool Feature Parity

| Feature | Claude Code | Cursor IDE | Codex CLI | OpenCode |
| --- | --- | --- | --- | --- |
| **Agents** | ${parityCounts.agents} | Shared (AGENTS.md) | Shared (AGENTS.md) | 12 |
| **Commands** | ${parityCounts.commands} | Shared | Instruction-based | 31 |
| **Skills** | ${parityCounts.skills} | Shared | 10 (native format) | 37 |
`);
}

function writeEnglishAgents(root, counts, options = {}) {
  const plus = options.skillsMinimum ? '+' : '';

  fs.writeFileSync(path.join(root, 'AGENTS.md'), `This is a production plugin providing ${counts.agents} specialized agents, ${counts.skills}${plus} skills, ${counts.commands} commands.

\`\`\`
agents/ - ${counts.agents} specialized subagents
skills/ - ${counts.skills}${plus} workflow skills and domain knowledge
commands/ - ${counts.commands} slash commands
\`\`\`
`);
}

function writeZhRootReadme(root, counts) {
  fs.writeFileSync(path.join(root, 'README.zh-CN.md'), `你现在可以使用 ${counts.agents} 个代理、${counts.skills} 个技能和 ${counts.commands} 个命令。\n`);
}

function writeZhDocsReadme(root, counts, options = {}) {
  const tableCounts = options.tableCounts || counts;
  const parityCounts = options.parityCounts || counts;
  const unrelatedSkillsCount = options.unrelatedSkillsCount || 16;
  const dir = path.join(root, 'docs', 'zh-CN');
  fs.mkdirSync(dir, { recursive: true });

  fs.writeFileSync(path.join(dir, 'README.md'), `你现在可以使用 ${counts.agents} 个智能体、${counts.skills} 项技能和 ${counts.commands} 个命令了。
| 功能特性 | Claude Code | OpenCode | 状态 |
| --- | --- | --- | --- |
| 智能体 | PASS: ${tableCounts.agents} 个 |
| 命令 | PASS: ${tableCounts.commands} 个 |
| 技能 | PASS: ${tableCounts.skills} 项 |

| 功能特性 | 数量 | 格式 |
| --- | ---: | --- |
| 技能 | ${unrelatedSkillsCount} | .agents/skills/ |

## 跨工具功能对等

| 功能特性 | Claude Code | Cursor IDE | Codex CLI | OpenCode |
| --- | --- | --- | --- | --- |
| **智能体** | ${parityCounts.agents} | 共享 (AGENTS.md) | 共享 (AGENTS.md) | 12 |
| **命令** | ${parityCounts.commands} | 共享 | 基于指令 | 31 |
| **技能** | ${parityCounts.skills} | 共享 | 10 (原生格式) | 37 |
`);
}

function writeZhAgents(root, counts, options = {}) {
  const plus = options.skillsMinimum ? '+' : '';
  const dir = path.join(root, 'docs', 'zh-CN');
  fs.mkdirSync(dir, { recursive: true });

  fs.writeFileSync(path.join(dir, 'AGENTS.md'), `这是一个生产就绪的 AI 编码插件，提供 ${counts.agents} 个专业代理、${counts.skills}${plus} 项技能、${counts.commands} 条命令。

\`\`\`
agents/ - ${counts.agents} 个专业子代理
skills/ - ${counts.skills}${plus} 个工作流技能和领域知识
commands/ - ${counts.commands} 个斜杠命令
\`\`\`
`);
}

function writeCatalogFixture(root, options = {}) {
  const actualCounts = options.actualCounts || { agents: 1, skills: 1, commands: 1 };
  const documentedCounts = options.documentedCounts || actualCounts;
  const skillsMinimum = Boolean(options.skillsMinimum);
  const unrelatedSkillsCount = options.unrelatedSkillsCount || 16;

  writeCountedFiles(root, 'agents', actualCounts.agents);
  writeCountedFiles(root, 'commands', actualCounts.commands);
  writeCountedFiles(root, 'skills', actualCounts.skills);

  fs.writeFileSync(path.join(root, 'agents', 'notes.txt'), 'not counted\n');
  fs.writeFileSync(path.join(root, 'commands', 'notes.txt'), 'not counted\n');
  fs.mkdirSync(path.join(root, 'skills', 'missing-skill-file'), { recursive: true });

  writeEnglishReadme(root, documentedCounts, { unrelatedSkillsCount });
  writeEnglishAgents(root, documentedCounts, { skillsMinimum });
  writeZhRootReadme(root, documentedCounts);
  writeZhDocsReadme(root, documentedCounts, { unrelatedSkillsCount });
  writeZhAgents(root, documentedCounts, { skillsMinimum });
}

function test(name, fn) {
  try {
    fn();
    console.log(`  PASS ${name}`);
    return true;
  } catch (error) {
    console.log(`  FAIL ${name}`);
    console.log(`    Error: ${error.message}`);
    return false;
  }
}

function runTests() {
  console.log('\n=== Testing CI catalog.js ===\n');

  let passed = 0;
  let failed = 0;

  if (test('builds catalog counts from a supplied root', () => {
    const testDir = createTestDir();
    try {
      writeCatalogFixture(testDir, {
        actualCounts: { agents: 2, skills: 1, commands: 3 },
        documentedCounts: { agents: 2, skills: 1, commands: 3 },
      });

      const catalog = buildCatalog(testDir);

      assert.deepStrictEqual(
        {
          agents: catalog.agents.count,
          skills: catalog.skills.count,
          commands: catalog.commands.count,
        },
        { agents: 2, skills: 1, commands: 3 }
      );
      assert.ok(catalog.agents.files.every(file => file.endsWith('.md')));
      assert.ok(catalog.skills.files.every(file => file.endsWith('/SKILL.md')));
    } finally {
      cleanupTestDir(testDir);
    }
  })) passed++; else failed++;

  if (test('reports mismatches from every tracked catalog document', () => {
    const testDir = createTestDir();
    try {
      writeCatalogFixture(testDir, {
        actualCounts: { agents: 1, skills: 1, commands: 1 },
        documentedCounts: { agents: 9, skills: 9, commands: 9 },
      });

      const result = runCatalogCheck({ root: testDir });
      const formatted = result.checks
        .filter(check => !check.ok)
        .map(formatExpectation)
        .join('\n');

      assert.ok(formatted.includes('README.md quick-start summary'));
      assert.ok(formatted.includes('AGENTS.md summary'));
      assert.ok(formatted.includes('README.zh-CN.md quick-start summary'));
      assert.ok(formatted.includes('docs/zh-CN/README.md parity table'));
      assert.ok(formatted.includes('docs/zh-CN/AGENTS.md project structure'));
    } finally {
      cleanupTestDir(testDir);
    }
  })) passed++; else failed++;

  if (test('write mode syncs counts while preserving plus suffixes and unrelated tables', () => {
    const testDir = createTestDir();
    try {
      writeCatalogFixture(testDir, {
        actualCounts: { agents: 1, skills: 1, commands: 1 },
        documentedCounts: { agents: 7, skills: 7, commands: 7 },
        skillsMinimum: true,
        unrelatedSkillsCount: 42,
      });

      const result = runCatalogCheck({ root: testDir, writeMode: true });

      assert.strictEqual(result.checks.filter(check => !check.ok).length, 0);

      const readme = fs.readFileSync(path.join(testDir, 'README.md'), 'utf8');
      const agentsDoc = fs.readFileSync(path.join(testDir, 'AGENTS.md'), 'utf8');
      const zhReadme = fs.readFileSync(path.join(testDir, 'docs', 'zh-CN', 'README.md'), 'utf8');
      const zhAgentsDoc = fs.readFileSync(path.join(testDir, 'docs', 'zh-CN', 'AGENTS.md'), 'utf8');

      assert.ok(readme.includes('Access to 1 agents, 1 skills, and 1 legacy command shims'));
      assert.ok(readme.includes('| Skills | 42 | .agents/skills/ |'));
      assert.ok(agentsDoc.includes('providing 1 specialized agents, 1+ skills, 1 commands'));
      assert.ok(agentsDoc.includes('skills/ - 1+ workflow skills and domain knowledge'));
      assert.ok(zhReadme.includes('| 技能 | 42 | .agents/skills/ |'));
      assert.ok(zhAgentsDoc.includes('提供 1 个专业代理、1+ 项技能、1 条命令'));
      assert.ok(zhAgentsDoc.includes('skills/ - 1+ 个工作流技能和领域知识'));
    } finally {
      cleanupTestDir(testDir);
    }
  })) passed++; else failed++;

  if (test('throws a clear error for missing tracked documents', () => {
    const testDir = createTestDir();
    try {
      writeCatalogFixture(testDir);
      fs.rmSync(path.join(testDir, 'docs', 'zh-CN', 'AGENTS.md'));

      assert.throws(
        () => runCatalogCheck({ root: testDir }),
        /Failed to read AGENTS\.md/
      );
    } finally {
      cleanupTestDir(testDir);
    }
  })) passed++; else failed++;

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

runTests();