// RED phase: Test that scaffolding produces working projects
import assert from 'node:assert';
import { test, describe } from 'node:test';
import { mkdtempSync, existsSync, readFileSync, rmSync } from 'node:fs';
import { tmpdir } from 'node:os';
import { join } from 'node:path';
import { initProject } from './init.js';
import { getPresetNames, getPreset } from './presets/index.js';

describe('imhotep init', () => {
  test('react-playwright preset creates expected files', () => {
    const targetDir = mkdtempSync(join(tmpdir(), 'imhotep-init-test-'));
    
    try {
      initProject({ preset: 'react', targetDir });
      
      // Verify all expected files exist
      assert.ok(existsSync(join(targetDir, 'imhotep.config.js')), 'config file should exist');
      assert.ok(existsSync(join(targetDir, 'tests', 'example.test.ts')), 'test file should exist');
      assert.ok(existsSync(join(targetDir, 'fixtures', 'example.html')), 'fixture file should exist');
      assert.ok(existsSync(join(targetDir, 'package.json')), 'package.json should exist');
      assert.ok(existsSync(join(targetDir, 'README.md')), 'README should exist');
      
      // Verify config has render target
      const config = readFileSync(join(targetDir, 'imhotep.config.js'), 'utf-8');
      assert.ok(config.includes('render'), 'config should mention render target');
      
      // Verify test file has assertions
      const testFile = readFileSync(join(targetDir, 'tests', 'example.test.ts'), 'utf-8');
      assert.ok(testFile.includes('expect'), 'test should have assertions');
      
      // Verify package.json has test scripts
      const pkg = JSON.parse(readFileSync(join(targetDir, 'package.json'), 'utf-8'));
      assert.ok(pkg.scripts.test, 'package.json should have test script');
      assert.ok(pkg.scripts['test:ci'], 'package.json should have ci script');
    } finally {
      rmSync(targetDir, { recursive: true, force: true });
    }
  });
  
  test('vue preset creates expected files', () => {
    const targetDir = mkdtempSync(join(tmpdir(), 'imhotep-init-test-'));
    
    try {
      initProject({ preset: 'vue', targetDir });
      
      assert.ok(existsSync(join(targetDir, 'imhotep.config.js')), 'config file should exist');
      assert.ok(existsSync(join(targetDir, 'tests', 'example.test.ts')), 'test file should exist');
      assert.ok(existsSync(join(targetDir, 'fixtures', 'example.html')), 'fixture file should exist');
      assert.ok(existsSync(join(targetDir, 'package.json')), 'package.json should exist');
      assert.ok(existsSync(join(targetDir, 'README.md')), 'README should exist');
      
      const config = readFileSync(join(targetDir, 'imhotep.config.js'), 'utf-8');
      assert.ok(config.includes('render'), 'config should mention render target');
    } finally {
      rmSync(targetDir, { recursive: true, force: true });
    }
  });
  
  test('storybook preset creates expected files', () => {
    const targetDir = mkdtempSync(join(tmpdir(), 'imhotep-init-test-'));
    
    try {
      initProject({ preset: 'storybook', targetDir });
      
      assert.ok(existsSync(join(targetDir, 'imhotep.config.js')), 'config file should exist');
      assert.ok(existsSync(join(targetDir, 'tests', 'example.test.ts')), 'test file should exist');
      assert.ok(existsSync(join(targetDir, 'fixtures', 'example.html')), 'fixture file should exist');
      assert.ok(existsSync(join(targetDir, 'package.json')), 'package.json should exist');
      assert.ok(existsSync(join(targetDir, 'README.md')), 'README should exist');
      
      const config = readFileSync(join(targetDir, 'imhotep.config.js'), 'utf-8');
      assert.ok(config.includes('render'), 'config should mention render target');
    } finally {
      rmSync(targetDir, { recursive: true, force: true });
    }
  });
  
  test('throws on unknown preset', () => {
    const targetDir = mkdtempSync(join(tmpdir(), 'imhotep-init-test-'));
    
    try {
      assert.throws(() => {
        initProject({ preset: 'unknown-preset', targetDir });
      }, /Unknown preset/);
    } finally {
      rmSync(targetDir, { recursive: true, force: true });
    }
  });
  
  test('scaffolded react tests have passing assertions syntax', () => {
    const targetDir = mkdtempSync(join(tmpdir(), 'imhotep-init-test-'));
    
    try {
      initProject({ preset: 'react', targetDir });
      
      const testFile = readFileSync(join(targetDir, 'tests', 'example.test.ts'), 'utf-8');
      
      assert.ok(testFile.includes('const ui = await imhotep(page);'), 'template should await imhotep(page)');
      assert.ok(testFile.includes('await ui.checkAll();'), 'template should evaluate batched assertions with checkAll()');
    } finally {
      rmSync(targetDir, { recursive: true, force: true });
    }
  });

  test('all presets use publish-safe dependency ranges (no workspace protocol)', () => {
    for (const name of getPresetNames()) {
      const preset = getPreset(name);
      const pkg = preset.packageJson;
      for (const [dep, version] of Object.entries(pkg.devDependencies ?? {})) {
        assert.ok(typeof version === 'string', `dependency ${dep} in ${name} should be a string`);
        assert.ok(!version.startsWith('workspace:'), `${name} must not use workspace protocol for ${dep}`);
      }
    }
  });

  test('new framework presets scaffold expected files', () => {
    const extraPresets = ['next', 'nuxt', 'remix', 'astro'];
    for (const preset of extraPresets) {
      const targetDir = mkdtempSync(join(tmpdir(), 'imhotep-init-test-'));
      try {
        initProject({ preset, targetDir });
        assert.ok(existsSync(join(targetDir, 'imhotep.config.js')), `${preset} config should exist`);
        assert.ok(existsSync(join(targetDir, 'tests', 'example.test.ts')), `${preset} test should exist`);
        assert.ok(existsSync(join(targetDir, 'fixtures', 'example.html')), `${preset} fixture should exist`);
      } finally {
        rmSync(targetDir, { recursive: true, force: true });
      }
    }
  });
});