/**
 * GSD Tools Tests - Roadmap
 */

const { test, describe, beforeEach, afterEach } = require('node:test');
const assert = require('node:assert');
const fs = require('fs');
const path = require('path');
const { runGsdTools, createTempProject, cleanup } = require('./helpers.cjs');

describe('roadmap get-phase command', () => {
  let tmpDir;

  beforeEach(() => {
    tmpDir = createTempProject();
  });

  afterEach(() => {
    cleanup(tmpDir);
  });

  test('extracts phase section from ROADMAP.md', () => {
    fs.writeFileSync(
      path.join(tmpDir, '.planning', 'ROADMAP.md'),
      `# Roadmap v1.0

## Phases

### Phase 1: Foundation
**Goal:** Set up project infrastructure
**Plans:** 2 plans

Some description here.

### Phase 2: API
**Goal:** Build REST API
**Plans:** 3 plans
`
    );

    const result = runGsdTools('roadmap get-phase 1', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output.found, true, 'phase should be found');
    assert.strictEqual(output.phase_number, '1', 'phase number correct');
    assert.strictEqual(output.phase_name, 'Foundation', 'phase name extracted');
    assert.strictEqual(output.goal, 'Set up project infrastructure', 'goal extracted');
  });

  test('returns not found for missing phase', () => {
    fs.writeFileSync(
      path.join(tmpDir, '.planning', 'ROADMAP.md'),
      `# Roadmap v1.0

### Phase 1: Foundation
**Goal:** Set up project
`
    );

    const result = runGsdTools('roadmap get-phase 5', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output.found, false, 'phase should not be found');
  });

  test('handles decimal phase numbers', () => {
    fs.writeFileSync(
      path.join(tmpDir, '.planning', 'ROADMAP.md'),
      `# Roadmap

### Phase 2: Main
**Goal:** Main work

### Phase 2.1: Hotfix
**Goal:** Emergency fix
`
    );

    const result = runGsdTools('roadmap get-phase 2.1', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output.found, true, 'decimal phase should be found');
    assert.strictEqual(output.phase_name, 'Hotfix', 'phase name correct');
    assert.strictEqual(output.goal, 'Emergency fix', 'goal extracted');
  });

  test('extracts full section content', () => {
    fs.writeFileSync(
      path.join(tmpDir, '.planning', 'ROADMAP.md'),
      `# Roadmap

### Phase 1: Setup
**Goal:** Initialize everything

This phase covers:
- Database setup
- Auth configuration
- CI/CD pipeline

### Phase 2: Build
**Goal:** Build features
`
    );

    const result = runGsdTools('roadmap get-phase 1', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.ok(output.section.includes('Database setup'), 'section includes description');
    assert.ok(output.section.includes('CI/CD pipeline'), 'section includes all bullets');
    assert.ok(!output.section.includes('Phase 2'), 'section does not include next phase');
  });

  test('handles missing ROADMAP.md gracefully', () => {
    const result = runGsdTools('roadmap get-phase 1', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output.found, false, 'should return not found');
    assert.strictEqual(output.error, 'ROADMAP.md not found', 'should explain why');
  });

  test('accepts ## phase headers (two hashes)', () => {
    fs.writeFileSync(
      path.join(tmpDir, '.planning', 'ROADMAP.md'),
      `# Roadmap v1.0

## Phase 1: Foundation
**Goal:** Set up project infrastructure
**Plans:** 2 plans

## Phase 2: API
**Goal:** Build REST API
`
    );

    const result = runGsdTools('roadmap get-phase 1', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output.found, true, 'phase with ## header should be found');
    assert.strictEqual(output.phase_name, 'Foundation', 'phase name extracted');
    assert.strictEqual(output.goal, 'Set up project infrastructure', 'goal extracted');
  });

  test('detects malformed ROADMAP with summary list but no detail sections', () => {
    fs.writeFileSync(
      path.join(tmpDir, '.planning', 'ROADMAP.md'),
      `# Roadmap v1.0

## Phases

- [ ] **Phase 1: Foundation** - Set up project
- [ ] **Phase 2: API** - Build REST API
`
    );

    const result = runGsdTools('roadmap get-phase 1', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output.found, false, 'phase should not be found');
    assert.strictEqual(output.error, 'malformed_roadmap', 'should identify malformed roadmap');
    assert.ok(output.message.includes('missing'), 'should explain the issue');
  });
});

// ─────────────────────────────────────────────────────────────────────────────
// phase next-decimal command
// ─────────────────────────────────────────────────────────────────────────────


describe('roadmap analyze command', () => {
  let tmpDir;

  beforeEach(() => {
    tmpDir = createTempProject();
  });

  afterEach(() => {
    cleanup(tmpDir);
  });

  test('missing ROADMAP.md returns error', () => {
    const result = runGsdTools('roadmap analyze', tmpDir);
    assert.ok(result.success, `Command should succeed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output.error, 'ROADMAP.md not found');
  });

  test('parses phases with goals and disk status', () => {
    fs.writeFileSync(
      path.join(tmpDir, '.planning', 'ROADMAP.md'),
      `# Roadmap v1.0

### Phase 1: Foundation
**Goal:** Set up infrastructure

### Phase 2: Authentication
**Goal:** Add user auth

### Phase 3: Features
**Goal:** Build core features
`
    );

    // Create phase dirs with varying completion
    const p1 = path.join(tmpDir, '.planning', 'phases', '01-foundation');
    fs.mkdirSync(p1, { recursive: true });
    fs.writeFileSync(path.join(p1, '01-01-PLAN.md'), '# Plan');
    fs.writeFileSync(path.join(p1, '01-01-SUMMARY.md'), '# Summary');

    const p2 = path.join(tmpDir, '.planning', 'phases', '02-authentication');
    fs.mkdirSync(p2, { recursive: true });
    fs.writeFileSync(path.join(p2, '02-01-PLAN.md'), '# Plan');

    const result = runGsdTools('roadmap analyze', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output.phase_count, 3, 'should find 3 phases');
    assert.strictEqual(output.phases[0].disk_status, 'complete', 'phase 1 complete');
    assert.strictEqual(output.phases[1].disk_status, 'planned', 'phase 2 planned');
    assert.strictEqual(output.phases[2].disk_status, 'no_directory', 'phase 3 no directory');
    assert.strictEqual(output.completed_phases, 1, '1 phase complete');
    assert.strictEqual(output.total_plans, 2, '2 total plans');
    assert.strictEqual(output.total_summaries, 1, '1 total summary');
    assert.strictEqual(output.progress_percent, 50, '50% complete');
    assert.strictEqual(output.current_phase, '2', 'current phase is 2');
  });

  test('extracts goals and dependencies', () => {
    fs.writeFileSync(
      path.join(tmpDir, '.planning', 'ROADMAP.md'),
      `# Roadmap

### Phase 1: Setup
**Goal:** Initialize project
**Depends on:** Nothing

### Phase 2: Build
**Goal:** Build features
**Depends on:** Phase 1
`
    );

    const result = runGsdTools('roadmap analyze', tmpDir);
    assert.ok(result.success, `Command failed: ${result.error}`);

    const output = JSON.parse(result.output);
    assert.strictEqual(output.phases[0].goal, 'Initialize project');
    assert.strictEqual(output.phases[0].depends_on, 'Nothing');
    assert.strictEqual(output.phases[1].goal, 'Build features');
    assert.strictEqual(output.phases[1].depends_on, 'Phase 1');
  });
});

// ─────────────────────────────────────────────────────────────────────────────
// phase add command
// ─────────────────────────────────────────────────────────────────────────────