'use strict';

// Test-only transport boundary. This file does not emulate any CLI transformation.
const fs = require('node:fs');
const path = require('node:path');
const cp = require('node:child_process');
const marker = 'RA3_CLI_TEST_RAW_XML_ENVELOPE\n';

cp.execFileSync = function fakeConverter(file, args) {
    const command = path.basename(file).replace(/\.exe$/i, '').toLowerCase();
    if (!['apt2xml', 'xml2apt'].includes(command) || args.length !== 1) {
        throw new Error('The test transport permits only apt2xml/xml2apt with one base path');
    }
    const base = args[0];
    if (command === 'apt2xml') {
        const envelope = fs.readFileSync(base + '.apt', 'utf8');
        if (!envelope.startsWith(marker)) {
            throw new Error('The simulated converter refuses real APT binaries');
        }
        fs.writeFileSync(base + '.xml', envelope.slice(marker.length));
    } else {
        // Keep the .const that production build() wrote; do not supply a fake one.
        fs.writeFileSync(base + '.apt', marker + fs.readFileSync(base + '.xml', 'utf8'));
    }
    return Buffer.alloc(0);
};