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


const PROJECT_PATH = process.cwd()
const TEST_PATH = path.join(__dirname, '.');
const SCRIPT_FILE = path.join(PROJECT_PATH, 'programs', '1_detect_aruco_observations.py');
const SOURCE_DIR = path.join(__dirname,'data', 'screenShots');
const TARGET_DIR = path.join(__dirname,'data', 'screenshots', '1778819665744_detection_testResults');
const PYTHON_CMD = process.platform === 'win32' ? 'python' : 'python3';
const TEST_SETUP_FILE =  path.join(TEST_PATH, 'data', '0_testSetup.json');
const ROBOT_PATH = path.join(__dirname, 'data', 'robot', 'robot.json');
const SCRIPT_FILE_2 = path.join(PROJECT_PATH, 'programs', '2_estimate_camera_pose_from_aruco_json.py');


const cam = {
    id : 'cam1',
    image: 'snapshot_video1_1779690911822.jpg',
    intrinsics: path.join(PROJECT_PATH, 'data', 'settings','callibration_cam0.npz')
};


// Passe diese Werte an deine echten Daten an
const pathsToCheck = {
  SOURCE_DIR,
  SCRIPT_FILE,
  ROBOT_PATH,
  SCRIPT_FILE_2,
  NPZ_PATH:  cam.intrinsics,
  IMAGE_PATH: path.join(SOURCE_DIR, cam.image),
  PYTHON_SCRIPT: path.join(PROJECT_PATH, 'programs', '1_detect_aruco_observations.py'),
  TEST_SETUP_FILE,
};



describe('Check if Paths exist', () => {

  test('Each relevant Python File etc.', () => {
    const missing = [];

    for (const [name, filePath] of Object.entries(pathsToCheck)) {
      if (!filePath || !fs.existsSync(filePath)) {
        missing.push(`${name} -> ${filePath}`);
      }
    }

    if (missing.length > 0) {
      throw new Error(
        'Folgende Pfade fehlen oder sind ungültig:\n' +
        missing.join('\n')
      );
    }
  });

  test('Test if files in Setup exist', () => {


    console.log('TEST_PATH:', TEST_PATH);
    console.log('PROJECT_PATH:', PROJECT_PATH);
    console.log('SOURCE_DIR:', SOURCE_DIR); 

    if (!fs.existsSync(TEST_SETUP_FILE)) {
        throw new Error(`Test-Setup Datei fehlt: ${TEST_SETUP_FILE}`);
    }
    
    const raw = fs.readFileSync(TEST_SETUP_FILE, 'utf8');
    const data = JSON.parse(raw);

    
    const missing = [];

    data.forEach((testCase, i) => {

        const r =  testCase.robot.map(i => i.replace("TEST_PATH", TEST_PATH).replace("PROJECT_PATH", PROJECT_PATH));
        const pathR = path.join(r.map(p => p.toString()).join(path.sep));
        if (!pathR || !fs.existsSync(pathR)) {
          missing.push(`${name} -> ${filePath}`);
        }

        testCase.image.forEach((img, j) => {
            const imgPath = path.join(img.file.map(i => i.replace("TEST_PATH", TEST_PATH).replace("PROJECT_PATH", PROJECT_PATH)).join(path.sep));
            if (!imgPath || !fs.existsSync(imgPath)) {
              missing.push(`TestCase ${i} Image ${j} -> ${imgPath}`);
            } 

        });

    });

    console.log('Missing files in test setup:', missing);
    if (missing.length > 0) {
      throw new Error(
        'Folgende Dateien aus dem Test-Setup fehlen oder sind ungültig:\n' +
        missing.join('\n')
      );
    }
  });
});