import { extractPack } from '@foundryvtt/foundryvtt-cli';
import { promises as fs } from 'fs';
import path from 'path';

const MODULE_ID = process.cwd();
const yaml = false;

const packs = await fs.readdir('./packs');
for (const pack of packs) {
    if (pack === '.gitattributes') continue;
    console.log('Unpacking ' + pack);
    const directory = `./src/packs/${pack}`;
    try {
        for (const file of await fs.readdir(directory)) {
            await fs.unlink(path.join(directory, file));
        }
    } catch (error) {
        if (error.code === 'ENOENT') console.log('No files inside of ' + pack);
        else console.log(error);
    }
    await extractPack(`${MODULE_ID}/packs/${pack}`, `${MODULE_ID}/src/packs/${pack}`, {
        yaml,
        transformName
    });
}
/**
 * Prefaces the document with its type
 * @param {object} doc - The document data
 */
function transformName(doc) {
    const safeFileName = doc.name.replace(/[^a-zA-Z0-9А-я]/g, '_');
    const type = doc._key.split('!')[1];
    const prefix = ['actors', 'items'].includes(type) ? doc.type : type;

    return `${doc.name ? `${prefix}_${safeFileName}_${doc._id}` : doc._id}.${yaml ? 'yml' : 'json'}`;
}