const { spawn } = require('child_process');
const fs = require('fs');

const config = JSON.parse(fs.readFileSync('./config.json', 'utf8'));

const py = spawn('python', ['wakeword.py', JSON.stringify(config)], {
  stdio: ['ignore', 'pipe', 'pipe']
});

let buffer = '';

py.stdout.on('data', (data) => {
  buffer += data.toString();
  const lines = buffer.split('\n');
  buffer = lines.pop();

  for (const line of lines) {
    if (!line.trim()) continue;

    try {
      const msg = JSON.parse(line);

      if (msg.event === 'ready') {
        console.log('Python ready');
      } else if (msg.event === 'wakeword') {
        console.log(`Wakeword detected: ${msg.model} (${msg.score})`);
      } else if (msg.event === 'partial') {
        console.log('Partial:', msg.text);
      } else if (msg.event === 'text' || msg.event === 'final') {
        console.log('Transcript:', msg.text);
      } else if (msg.event === 'done') {
        console.log('Back to wakeword mode');
      }
    } catch {
      console.log('[PY]', line);
    }
  }
});

py.stderr.on('data', (data) => {
  console.error('[PY ERR]', data.toString());
});

py.on('close', (code) => {
  console.log('Python exited with code', code);
});