entry-2.php

<?php

use PHPModules\Demo\Config::Loader;
use PHPModules\Demo\Config::ConfigValue;
use PHPModules\Demo\Config::SupportedFormats;
use PHPModules\Demo\Config::FileSource;

require __DIR__ . "/vendor/autoload.php";

$GLOBALS['deepseek/config'] = [
    'files' => [
        'app.json' => json_encode([
            'app_name' => 'My App',
            'debug' => true,
        ]),
        'db.json' => json_encode([
            'db_host' => 'localhost',
            'db_port' => 5432,
        ]),
    ],
];

echo "=== Config Module Demo 2 — Advanced Features ===\n\n";

// 1. Error values — missing source is skipped, not fatal
echo "1. SourceError — missing file skips gracefully:\n";
$loader = new Loader();
$loader->addFileSource('nonexistent.json', SupportedFormats::Json);
$loader->addFileSource('app.json', SupportedFormats::Json);
$config = $loader->load();
echo "   Loaded (1 of 2 sources succeeded)\n\n";

// 2. Merging from multiple files
echo "2. Merge — config from two JSON sources:\n";
$loader2 = new Loader();
$loader2->addFileSource('app.json', SupportedFormats::Json);
$loader2->addFileSource('db.json', SupportedFormats::Json);
$merged = $loader2->load();
echo "   app_name: " . $merged->get('app_name') . "\n";
echo "   db_host: " . $merged->get('db_host') . "\n\n";

// 3. ConfigValue boundary — internal constructor
echo "3. ConfigValue — internal constructor:\n";
try {
    new ConfigValue('x', 'y');
} catch (\Error $e) {
    echo "   DENIED: " . $e->getMessage() . "\n\n";
}

// 4. internal const — inaccessible from outside
echo "4. PHPModules\Demo\\Config::DEFAULT_CACHE_TTL — internal const:\n";
try {
    $ttl = \PHPModules\Demo\Config::DEFAULT_CACHE_TTL;
} catch (\Error $e) {
    echo "   DENIED: " . $e->getMessage() . "\n\n";
}

// 5. internal method — inaccessible from outside
echo "5. Loader::resolveParser() — internal method:\n";
$source = new FileSource('app.json', SupportedFormats::Json);
try {
    $loader2->resolveParser($source);
} catch (\Error $e) {
    echo "   DENIED: " . $e->getMessage() . "\n\n";
}

// 6. SupportedFormats enum — public, usable from outside
echo "6. SupportedFormats — public enum:\n";
$format = SupportedFormats::Json;
echo "   Case: " . $format->name . "\n";
echo "   Match: " . match ($format) {
    SupportedFormats::Json => 'JSON',
    SupportedFormats::Yaml => 'YAML',
    SupportedFormats::Env  => 'ENV',
} . "\n\n";

echo "=== Demo Complete ===\n";

/*

project-deepseek $ ../php-src-cli entry-2.php
=== Config Module Demo 2 — Advanced Features ===

1. SourceError — missing file skips gracefully:
   Loaded (1 of 2 sources succeeded)

2. Merge — config from two JSON sources:
   app_name: My App
   db_host: localhost

3. ConfigValue — internal constructor:
   DENIED: Cannot instantiate class PHPModules\Demo\Config::ConfigValue via internal constructor from outside its module

4. PHPModules\Demo\Config::DEFAULT_CACHE_TTL — internal const:
   DENIED: Cannot access internal module constant PHPModules\Demo\Config::DEFAULT_CACHE_TTL from outside its module

5. Loader::resolveParser() — internal method:
   DENIED: Cannot call internal method PHPModules\Demo\Config::Loader::resolveParser() from outside its module

6. SupportedFormats — public enum:
   Case: Json
   Match: JSON

=== Demo Complete ===

*/