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

const directoryPath = './pis/'

function sortAndMergeYAMLFiles() {
    try {
        const files = fs.readdirSync(directoryPath);

        let mergedData = [];

        files.forEach(file => {
            const data = fs.readFileSync(directoryPath + file, 'utf-8');

            const parsedData = yaml.parse(data)

            if (parsedData && typeof parsedData === 'object' && parsedData.pis) {
                mergedData.push(...parsedData.pis)
            } else {
                if (Array.isArray(parsedData)) {
                    mergedData.push(...parsedData);
                } else {
                    console.error("Incorrect YAML")
                }
            }
        });

        mergedData.sort((a, b) => {
            const codeA = parseInt(a.code);
            const codeB = parseInt(b.code);
            return codeA - codeB
        })

        const mergedYaml = yaml.stringify(mergedData);
        console.log(mergedYaml)
    } catch(err) {
        console.error('Error merging YAML:', err)
    }
}

sortAndMergeYAMLFiles();