<?php

require_once 'php/utils/logging.php';

/**
 * @var string $CONFIG_ROOT
 */

class LocalConfig {
	private function __construct() {
		$this->room_overrides =
			LocalConfig::maybe_parse_ini_file(LocalConfig::ROOM_OVERRIDES_CONFIG)
			?? array();
	}

	private const ROOM_OVERRIDES_CONFIG = "room-overrides.ini";

	private readonly array $room_overrides;

	private static function maybe_parse_ini_file(string $filename): array | null {
		global $CONFIG_ROOT;
		$file = "$CONFIG_ROOT/$filename";

		if (!file_exists($file)) {
			log_warning("config file not found: $file");
			return null;
		}

		return parse_ini_file($file, process_sections: true, scanner_mode: INI_SCANNER_RAW);
	}

	/**
	 * Read local config from the filesystem.
	 */
	public static function read_from_files() {
		return new LocalConfig();
	}

	private function get_room_override(string $room_id, string $override_key) {
		$room_overrides = $this->room_overrides[$room_id] ?? array();
		return $room_overrides[$override_key] ?? null;
	}

	public function get_room_staff_count_override(string $room_id) {
		return $this->get_room_override($room_id, 'staff_count');
	}
}

/**
 * @var LocalConfig $LOCAL_CONFIG
 */
$LOCAL_CONFIG = LocalConfig::read_from_files();

?>