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

const inputFile = process.argv[2];
const outputFile = 'pis-objects.jsonl';

if (!inputFile) {
    console.error('Please provide an input YAML file');
    process.exit(1);
}

try {
    const fileContent = fs.readFileSync(inputFile, 'utf8');
    const data = yaml.loadAll(fileContent);

    if (!data || !data.pis || !Array.isArray(data.pis)) {
        throw new Error('Invalid structure: Expected object with "pis" array.');
    }

    const jsonl = data.pis.map(item => JSON.stringify(item));

    fs.writeFileSync(outputFile, jsonl.join('\n') + '\n');
    console.log(`Successfully processed ${data.pis.length} items.`);
} catch (e) {
    console.error("Conversion failed: ", e.message);
    process.exit(1);
}