#!/usr/bin/env php
<?php
/**
 * Generate package.json from importmap.php
 * Extracts all packages with versions and creates a package.json file
 */

$importmapFile = __DIR__ . '/../importmap.php';
if (!file_exists($importmapFile)) {
    fwrite(STDERR, "Error: importmap.php not found\n");
    exit(1);
}

$map = require $importmapFile;
$packages = [];

foreach ($map as $name => $config) {
    // Only process entries with version but no path (need to be downloaded)
    if (isset($config['version']) && !isset($config['path'])) {
        // Extract package name (handle scoped packages and subpaths)
        $parts = explode('/', $name);
        if ($name[0] === '@') {
            // Scoped package: @noble/curves/secp256k1 -> @noble/curves
            $packageName = $parts[0] . '/' . $parts[1];
        } else {
            // Regular package: quill/dist/quill.core.css -> quill
            $packageName = $parts[0];
        }
        
        // Keep the highest version if there are multiple entries for the same package
        if (!isset($packages[$packageName]) || version_compare($packages[$packageName], $config['version'], '<')) {
            $packages[$packageName] = $config['version'];
        }
    }
}

// Build package.json structure
$packageJson = [
    'name' => 'newsroom',
    'version' => '1.0.0',
    'description' => 'Importmap packages for Symfony Asset Mapper',
    'private' => true,
    'dependencies' => []
];

// Sort packages for consistent output
ksort($packages);

foreach ($packages as $name => $version) {
    $packageJson['dependencies'][$name] = '^' . $version;
}

echo json_encode($packageJson, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES) . "\n";