<?php

readonly class Templates {
    public function __construct(
        public string $base,
        public string $page,
        public string $list
    ) {}
}

class Context {
    // Use asymmetric visibility for immutability (PHP 8.4)
    public function __construct(
        public private(set) string $contentDir,
        public private(set) string $currentLang,
        public private(set) string $defaultLang,
        public private(set) array $availableLangs,
        public private(set) Templates $templates,
        public private(set) string $requestPath,
        public private(set) bool $hasTrailingSlash
    ) {}
    
    // Property hooks - computed properties (PHP 8.4)
    public string $langPrefix {
        get => $this->currentLang !== $this->defaultLang 
            ? "/{$this->currentLang}" 
            : '';
    }
    
    public array $navigation {
        get => buildNavigation($this);
    }
    
    public string $homeLabel {
        get => loadMetadata($this->contentDir, $this->currentLang, $this->defaultLang)['slug'] ?? 'Home';
    }
    
    public array $translations {
        get => loadTranslations($this->currentLang);
    }
}