// test/aruco.test.js
const { execSync } = require('child_process');
const fs = require('fs');
const path = require('path');

describe('Aruco Detection Script', () => {
  const scriptPath = 'programs/01_read_Aruco_jpg_to_json.py';
  const calibrationFile = 'data/settings/callibration_cam0.npz';
  const screenshotsDir = 'test/data/screenShots';

  test('should exist and be executable', () => {
    expect(fs.existsSync(scriptPath)).toBe(true);
  });

  test('should have calibration file', () => {
    expect(fs.existsSync(calibrationFile)).toBe(true);
  });

  test('should have screenshot directory', () => {
    expect(fs.existsSync(screenshotsDir)).toBe(true);
  });

  test('should process screenshots successfully', () => {
    const screenshots = fs.readdirSync(screenshotsDir)
      .filter(file => file.endsWith('.jpg') || file.endsWith('.png'));
    
    expect(screenshots.length).toBeGreaterThan(0);
    
    screenshots.forEach(screenshot => {
      const screenshotPath = path.join(screenshotsDir, screenshot);
      const jsonPath = screenshotPath.replace(/\.(jpg|png)$/i, '_aruco_detection.json');
      
      // Lösche alte JSON-Datei, falls vorhanden
      if (fs.existsSync(jsonPath)) {
        fs.unlinkSync(jsonPath);
      }
      
      // Führe das Python-Skript aus
      const cmd = `python ${scriptPath} -i ${screenshotPath} -npz ${calibrationFile} -cameraId 0`;
      
      try {
        execSync(cmd, { stdio: 'inherit' });
        
        // Überprüfe, ob JSON-Datei erstellt wurde
        expect(fs.existsSync(jsonPath)).toBe(true);
        
        // Lese und prüfe JSON-Inhalt
        const jsonData = JSON.parse(fs.readFileSync(jsonPath, 'utf8'));
        expect(jsonData).toBeDefined();
        expect(typeof jsonData).toBe('object');
        
      } catch (error) {
        fail(`Failed to process ${screenshot}: ${error.message}`);
      }
    });
  });
});