// patch-config.js: replace DataServerBaseUrl and disabledev before dev server or build

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

const targetFile = path.join(__dirname, '..', 'src', 'playground', 'config.js');

function decideEnv() {
    const ev = (process.env.npm_lifecycle_event || '').toLowerCase();
    if (ev.includes('build:prod')) return 'prod';
    if (ev.includes('build:test')) return 'test';
    if (ev.includes('start')) return 'start';
    if (ev.includes('dev')) return 'dev';
    // default
    return 'start';
}

function getConfigForEnv(env) {
    switch (env) {
        case 'dev':
        case 'test':
            return { url: 'https://test.server.001code.com', disabledev: false };
        case 'prod':
            return { url: 'https://server.001code.com', disabledev: true };
        case 'start':
        default:
            return { url: 'http://127.0.0.1:8000', disabledev: false };
    }
}

function replaceContent(src, url, disabledev) {
    let out = src;
    out = out.replace(/DataServerBaseUrl\s*:\s*[^,]+/g, `DataServerBaseUrl: "${url}"`);
    out = out.replace(/disabledev\s*:\s*[^,]+/g, `disabledev: ${disabledev}`);
    return out;
}

(function run() {
    const env = decideEnv();
    const cfg = getConfigForEnv(env);
    console.log(`[patch-config] Env=${env} -> DataServerBaseUrl="${cfg.url}", disabledev=${cfg.disabledev}`);

    try {
        const original = fs.readFileSync(targetFile, 'utf8');
        const patched = replaceContent(original, cfg.url, cfg.disabledev);

        if (patched !== original) {
            fs.writeFileSync(targetFile, patched, 'utf8');
            console.log('[patch-config] Applied replacements to', targetFile);
        } else {
            console.warn('[patch-config] No changes applied. Patterns not found or already set.');
        }
    } catch (err) {
        console.error('[patch-config] Failed to patch', targetFile, err);
        process.exit(1);
    }
})();