<?php
/**
 * require define(APP_PATH_CONFIG)
 *
 * Config file name format:
 ** po "-" zawsze $host ($_SERVER['SERVER_NAME']), inne "--"
 ** main config file
 * .cnf.ini.php
 * .cnf-{$host}.ini.php
 ** special $config_file
 * .cnf--{$config_file}.ini.php
 * .cnf--{$config_file}-{$host}.ini.php
 **** eg. "external_ids":
 *   .cnf--external_ids.ini.php
 *   .cnf--external_ids-{$host}.ini.php
 **** eg. $config_file = zasob_{$ID}
 *   .cnf--zasob_{$ID}.ini.php - config file for zasob $ZASOB_ID
 *   .cnf--zasob_{$ID}-{$host}.ini.php - config file for zasob $ZASOB_ID on host
 **** eg. $config_file = column_init_{$ID}
 *   .cnf--column_init_{$table}.ini.php - config file for column
 *   .cnf--column_init_{$table}-{$host}.ini.php - config file for column on host
 *
 * TODO: dziedziczenie plikow na podstawie hosta - kropki? dla hosta www2.biall.com.pl i www.biall.com.pl dziedziczy po: biall.com.pl
 *
 * If conf file not found '.cnf*.ini.php' then try to find file '.cnf*.inc.php'
 *
 * Struktura pliku .cnf*.ini.php
;<?php
;die(); // For further security
;// @COMMENT

foo="bar"
[section1]
foo1="bar1"
 * parse_ini_file( file, true ) # true - process_sections
Array
(
    [foo] => bar
    [section1] => Array
        (
            [foo1] => bar1
        )
)
 *
 * Struktura pliku .cnf*.inc.php
<?php
return function ($secret = '') {
	if ('secret-p5-password' !== $secret) return null;
	$conf = [
		'host' => "",
		// ...
	];
	return $conf;
};
 */

class Config {

	public static function get($key, $section = null) {
		static $_main_config;

		if ($_main_config === null) {
			$_main_config = self::getConfFile();
		}

		if ($key == 'get-all-data') {
			return $_main_config;
		}

		$cur_conf = $_main_config;
		if ($section !== null) {
			$cur_conf = V::get($section, null, $_main_config);
		}
		return V::get($key, null, $cur_conf);
	}

	public static function getData() {
		return self::get('get-all-data');
	}

	/**
	 * Search for zasob config ini file.
	 * Config file name must contain zasob_{$ID} for example:
	 *   .cnf--zasob_{$ID}.ini.php - config file for zasob $ZASOB_ID
	 *   .cnf--zasob_{$ID}-{$host}.ini.php - config file for zasob $ZASOB_ID on host
	 */
	public static function getZasobConf($zasob_id) {
		return self::getConfFile("zasob_{$zasob_id}");
	}

	/**
	 * Search for zasob config ini file.
	 */
	public static function getColumnConf($col) {
		return self::getConfFile("column_init_{$col}");
	}

	public static function generateDefaultDbConfigFile($params = [], $outputFormat = 'ini') {
		if (empty($params['database'])) throw new Exception("Missing database name");
		if (empty($params['password'])) throw new Exception("Missing password");
		if (!in_array($outputFormat, ['ini', 'inc'])) throw new Exception("Not implemented outputFormat = '{$outputFormat}'");

		$conf = [
			'type' => "mysql",
			'host' => "127.0.0.1",
			'port' => "3306",
			'user' => "root",
			'pass' => $params['password'],
			'database' => $params['database'],
			'zasob_id' => "2",
		];

		return ('inc' == $outputFormat)
		?	implode("\n", array_merge(
				[
					'<?php',
					'return function ($secret = "") {',
					"\t" . 'if ("secret-p5-password" !== $secret) return null;',
					"\t" . '$conf = [];',
				],
				self::convertVariableToConfigIncContent($conf, $varName = '$conf'),
				[
					"\t" . 'return $conf;',
					'};',
				]
			))
		:	implode("\n", array_merge(
				[
					';<?php',
					';die(); // For further security',
					';// default DB',
					'',
				],
				self::convertVariableToConfigIniContent($conf, $varName = '$conf'),
				[ '' ]
			))
		;
	}

	public static function generateDefaultLdapConfigFile($params = [], $outputFormat = 'ini') {
		if (empty($params['user'])) throw new Exception("Missing user");
		if (empty($params['pass'])) throw new Exception("Missing pass");
		if (empty($params['base_dn'])) throw new Exception("Missing base_dn");
		if (!in_array($outputFormat, ['ini', 'inc'])) throw new Exception("Not implemented outputFormat = '{$outputFormat}'");

		$conf = [
			'version' => "3",
			'host' => "127.0.0.1",
			// 'port' => "3306",
			'user' => $params['user'],
			'pass' => $params['pass'],
			'base_dn' => $params['base_dn'],
		];

		return ('inc' == $outputFormat)
		?	implode("\n", array_merge(
				[
					'<?php',
					'return function ($secret = "") {',
					"\t" . 'if ("secret-p5-password" !== $secret) return null;',
					"\t" . '$conf = [];',
				],
				self::convertVariableToConfigIncContent($conf, $varName = '$conf'),
				[
					"\t" . 'return $conf;',
					'};',
				]
			))
		:	implode("\n", array_merge(
				[
					';<?php',
					';die(); // For further security',
					';// default LDAP',
					'',
				],
				self::convertVariableToConfigIniContent($conf, $varName = '$conf'),
				[ '' ]
			))
		;
	}

	public static function generateDefaultFoldersConfigFile($params = [], $outputFormat = 'ini') {
		if (empty($params['remote_folder_root'])) throw new Exception("Missing remote_folder_root");
		if (empty($params['server_address'])) throw new Exception("Missing server_address");
		if (!in_array($outputFormat, ['ini', 'inc'])) throw new Exception("Not implemented outputFormat = '{$outputFormat}'");

		$conf = [
			'root_points' => [
				'mount_point' => "/Library/Server/Web/Data/Sites/Default/PLIKI/{$params['remote_folder_root']}",
				'share_point' => "//{$params['server_address']}/{$params['remote_folder_root']}",
				'www_share_point' => "https://{$params['server_address']}/PLIKI/{$params['remote_folder_root']}",
			],
			'm_dist_files_types' => [
				'ARTYKUL' => "ARTYKUL",
				'CERT_CE' => "CERT_CE",
				'CERTYFIKAT' => "CERTYFIKAT",
				'DEKLARACJA' => "DEKLARACJA",
				'DOKUMENTACJA' => "DOKUMENTACJA",
				'DOK_POWYK' => "DOK_POWYK",
				'DRUK' => "DRUK",
				// 'ETYKIETA' => "ETYKIETA",
				'FAKTURA' => "FAKTURA",
				'FIRMWARE' => "FIRMWARE",
				// 'INSTRUKCJA' => "INSTRUKCJA",
				// 'INSTRUKCJA_PL' => "INSTRUKCJA_PL",
				// 'INSTRUKCJA_PL_DRUK' => "INSTRUKCJA_PL_DRUK",
				// 'KARTA' => "KARTA",
				'INNE' => "INNE",
				'INSTRUKCJA' => "INSTRUKCJA",
				'KARTA_GWARANCYJNA' => "KARTA_GWARANCYJNA",
				// 'KOMPLETACJA' => "KOMPLETACJA",
				'LIST_PRZEWOZ' => "LIST_PRZEWOZ",
				'NOTATKA' => "NOTATKA",
				'OFERTA' => "OFERTA",
				// 'OVERLAY' => "OVERLAY",
				'PISMO' => "PISMO",
				'POLISA' => "POLISA",
				'PREZENTACJA' => "PREZENTACJA",
				'PROJEKT' => "PROJEKT",
				'PROJEKT_BUD' => "PROJEKT_BUD",
				'PROJEKT_GRAF' => "PROJEKT_GRAF",
				'PROTOKOL' => "PROTOKOL",
				'PROTOK_ODB_TOWAR' => "PROTOK_ODB_TOWAR",
				'REKLAMACJA' => "REKLAMACJA",
				'RYS_TECHNICZNY' => "RYS_TECHNICZNY",
				'SPEC_WYROBU' => "SPEC_WYROBU",
				'SOFT_CD' => "SOFT_CD",
				'SWIAD_JAKOSCI' => "SWIAD_JAKOSCI",
				'TODO' => "TODO",
				'UMOWA' => "UMOWA",
				'UCHWALA' => "UCHWALA",
				'UCHWALA_WWW' => "UCHWALA_WWW",
				'UZGODNIENIE' => "UZGODNIENIE",
				'WEZW_DO_ZAPL' => "WEZW_DO_ZAPL",
				'WWW_DOKUMENTY' => "WWW_DOKUMENTY",
				'WWW_PRACA' => "WWW_PRACA",
				'WZORZEC' => "WZORZEC",
				'WNIOSEK' => "WNIOSEK",
				'WNIOSEK_URLOP' => "WNIOSEK_URLOP",
				'WYD_MAGAZYN' => "WYD_MAGAZYN",
				'WYCENA' => "WYCENA",
				'ZDJECIE' => "ZDJECIE",
				'ZDJECIE_HI' => "ZDJECIE_HI",
				'ZWOLNIENIE_LEK' => "ZWOLNIENIE_LEK",
				'ZAMOWIENIE' => "ZAMOWIENIE",
			],
			'default_COLUMN' => [
				'mount_point' => "default",
				'share_point' => "default",
				'www_share_point' => "default",
				'LOOKAT_NEGFILE_LOOK_REGEX' => "/<VARNAME>./",
				'LOOKAT_NEGFILE_VARNAME' => "ID",
				'LOOKAT_FOLDER_LOOK_REGEX' => "/../",
				'LOOKAT_FOLDER_VARNAME' => "ID",
				'DEST_FOLDER_M_DIST_FILES_INDEXNAME' => "ID",
			],
			'ADMIN_USERS_COLUMN' => [
				'mount_point' => "ADMIN_USERS",
				'share_point' => "ADMIN_USERS",
				'www_share_point' => "ADMIN_USERS",
				'LOOKAT_FOLDER_LOOK_GLOB' => "<VARNAME>.*",
				'LOOKAT_FOLDER_VARNAME' => "ID",
				'DEST_FOLDER_FORMAT' => "<VARNAME1>.<VARNAME2>",
				'DEST_FOLDER_VARNAME1' => "ID",
				'DEST_FOLDER_VARNAME2' => "ADM_NAME",
			],
			'CRM_LISTA_ZASOBOW_COLUMN' => [
				'mount_point' => "DRUKI",
				'share_point' => "DRUKI",
				'www_share_point' => "DRUKI",
				'LOOKAT_FOLDER_LOOK_GLOB' => "<VARNAME>.*",
				'LOOKAT_FOLDER_VARNAME' => "ID",
				'DEST_FOLDER_FORMAT' => "<VARNAME1>.<VARNAME2>",
				'DEST_FOLDER_VARNAME1' => "ID",
				'DEST_FOLDER_VARNAME2' => "DESC",
			],
			'CRM_LISTA_ZASOBOW_COLUMN' => [
				'mount_point' => "DRUKI",
				'share_point' => "DRUKI",
				'www_share_point' => "DRUKI",
				'LOOKAT_FOLDER_LOOK_GLOB' => "<VARNAME>.*",
				'LOOKAT_FOLDER_VARNAME' => "ID",
				'DEST_FOLDER_FORMAT' => "<VARNAME1>.<VARNAME2>",
				'DEST_FOLDER_VARNAME1' => "ID",
				'DEST_FOLDER_VARNAME2' => "DESC",
			],
			'CRM_PROCES_COLUMN' => [
				'mount_point' => "CRM_PROCES",
				'share_point' => "CRM_PROCES",
				'www_share_point' => "CRM_PROCES",
				'LOOKAT_FOLDER_LOOK_GLOB' => "<VARNAME>.*",
				'LOOKAT_FOLDER_VARNAME' => "ID",
				'DEST_FOLDER_FORMAT' => "<VARNAME1>.<VARNAME2>",
				'DEST_FOLDER_VARNAME1' => "ID",
				'DEST_FOLDER_VARNAME2' => "DESC",
			],
			'QUALITY_NOTICES_COLUMN' => [
				'mount_point' => "QUALITY_NOTICES",
				'share_point' => "QUALITY_NOTICES",
				'www_share_point' => "QUALITY_NOTICES",
				'LOOKAT_FOLDER_LOOK_GLOB' => "<VARNAME>.*",
				'LOOKAT_FOLDER_VARNAME' => "ID",
				'DEST_FOLDER_FORMAT' => "<VARNAME1>.<VARNAME2>",
				'DEST_FOLDER_VARNAME1' => "ID",
				'DEST_FOLDER_VARNAME2' => "ID_PROCES",
			],
			'GRAFIK_PRACY_COLUMN' => [
				'mount_point' => "GRAFIK_PRACY",
				'share_point' => "GRAFIK_PRACY",
				'www_share_point' => "GRAFIK_PRACY",
				'LOOKAT_FOLDER_LOOK_GLOB' => "<VARNAME>.*",
				'LOOKAT_FOLDER_VARNAME' => "ID",
				'DEST_FOLDER_FORMAT' => "<VARNAME1>.<VARNAME2>",
				'DEST_FOLDER_VARNAME1' => "ID",
				'DEST_FOLDER_VARNAME2' => "DATE",
				'DEST_FOLDER_VARNAME3' => "L_APPOITMENT_USER",
			],
			'PROBLEMS_COLUMN' => [
				'mount_point' => "PROBLEMS",
				'share_point' => "PROBLEMS",
				'www_share_point' => "PROBLEMS",
				'LOOKAT_FOLDER_LOOK_GLOB' => "<VARNAME>.*",
				'LOOKAT_FOLDER_VARNAME' => "ID",
				'DEST_FOLDER_FORMAT' => "<VARNAME1>.<VARNAME2>",
				'DEST_FOLDER_VARNAME1' => "ID",
				'DEST_FOLDER_VARNAME2' => "A_PROBLEM_DESC",
			],
			'BUILDINGS_COLUMN' => [
				'mount_point' => "BUILDINGS",
				'share_point' => "BUILDINGS",
				'www_share_point' => "BUILDINGS",
				'LOOKAT_FOLDER_LOOK_GLOB' => "<VARNAME>.*",
				'LOOKAT_FOLDER_VARNAME' => "ID",
				'DEST_FOLDER_FORMAT' => "<VARNAME1>.<VARNAME2>",
				'DEST_FOLDER_VARNAME1' => "ID",
				'DEST_FOLDER_VARNAME2' => "S_ADDRESS_STREET",
			],
			'IN7_MK_BAZA_DYSTRYBUCJI_COLUMN' => [
				'mount_point' => "PROJEKTY",
				'share_point' => "PROJEKTY",
				'www_share_point' => "PROJEKTY",
				'LOOKAT_FOLDER_LOOK_GLOB' => "<VARNAME>.*",
				'LOOKAT_FOLDER_VARNAME' => "ID",
				'DEST_FOLDER_FORMAT' => "<VARNAME1>.<VARNAME2>",
				'DEST_FOLDER_VARNAME1' => "ID",
				'DEST_FOLDER_VARNAME2' => "M_DIST_DESC",
			],
			'IN7_DZIENNIK_KORESP_COLUMN' => [
				'mount_point' => "PISMA",
				'share_point' => "PISMA",
				'www_share_point' => "PISMA",
				'LOOKAT_FOLDER_LOOK_GLOB' => "<VARNAME>.*",
				'LOOKAT_FOLDER_VARNAME' => "ID",
				'DEST_FOLDER_FORMAT' => "<VARNAME1>.<VARNAME2>-<VARNAME3>",
				'DEST_FOLDER_VARNAME1' => "ID",
				'DEST_FOLDER_VARNAME2' => "K_OD_KOGO",
				'DEST_FOLDER_VARNAME3' => "K_ZAWARTOS",
			],
			'DEVICES_COLUMN' => [
				'mount_point' => "DEVICES",
				'share_point' => "DEVICES",
				'www_share_point' => "DEVICES",
				'LOOKAT_FOLDER_LOOK_GLOB' => "<VARNAME>.*",
				'LOOKAT_FOLDER_VARNAME' => "ID",
				'DEST_FOLDER_FORMAT' => "<VARNAME1>.<VARNAME2>_<VARNAME3>",
				'DEST_FOLDER_VARNAME1' => "ID",
				'DEST_FOLDER_VARNAME2' => "T_PRODUCER",
				'DEST_FOLDER_VARNAME3' => "S_HW",
			],
			'WIZJE_LOKALNE_COLUMN' => [
				'mount_point' => "WIZJE_LOKALNE",
				'share_point' => "WIZJE_LOKALNE",
				'www_share_point' => "WIZJE_LOKALNE",
				'LOOKAT_FOLDER_LOOK_GLOB' => "<VARNAME>.*",
				'LOOKAT_FOLDER_VARNAME' => "ID",
				'DEST_FOLDER_FORMAT' => "<VARNAME1>.WIZJE_LOKALNE<VARNAME2>",
				'DEST_FOLDER_VARNAME1' => "ID",
				'DEST_FOLDER_VARNAME2' => "A_RECORD_CREATE_DATE",
			],
			'SCANS_COLUMN' => [
				'mount_point' => "SKANY",
				'share_point' => "SKANY",
				'www_share_point' => "SKANY",
			],
			'WMS_LAYERS_COLUMN' => [
				'mount_point' => "WMS_LAYERS",
				'share_point' => "WMS_LAYERS",
				'www_share_point' => "WMS_LAYERS",
				'LOOKAT_FOLDER_LOOK_GLOB' => "<VARNAME>",
				'LOOKAT_FOLDER_VARNAME' => "ID",
				'DEST_FOLDER_FORMAT' => "<VARNAME1>",
				'DEST_FOLDER_VARNAME1' => "ID",
			],
			'MK_Rewiry_COLUMN' => [
				'mount_point' => "MK_Rewiry",
				'share_point' => "MK_Rewiry",
				'www_share_point' => "MK_Rewiry",
				'LOOKAT_FOLDER_LOOK_GLOB' => "<VARNAME>.*",
				'LOOKAT_FOLDER_VARNAME' => "ID",
				'DEST_FOLDER_FORMAT' => "<VARNAME1>.MK_Rewiry_<VARNAME2>",
				'DEST_FOLDER_VARNAME1' => "ID",
				'DEST_FOLDER_VARNAME2' => "NAZWA_REWI",
			],
			'BI_audit_ENERGA_RUM_KONTRAHENCI_POWIAZANIA_COLUMN' => [
				'mount_point' => "BI_audit_POWIAZANIA",
				'share_point' => "BI_audit_POWIAZANIA",
				'www_share_point' => "BI_audit_POWIAZANIA",
				'LOOKAT_FOLDER_LOOK_GLOB' => "BI_audit_POWIAZANIA.<VARNAME>",
				'LOOKAT_FOLDER_VARNAME' => "ID",
				'DEST_FOLDER_FORMAT' => "BI_audit_POWIAZANIA.<VARNAME1>",
				'DEST_FOLDER_VARNAME1' => "ID",
			],
			'BI_audit_KW_requested_COLUMN' => [
				'mount_point' => "BI_audit_KW_requested",
				'share_point' => "BI_audit_KW_requested",
				'www_share_point' => "BI_audit_KW_requested",
				'LOOKAT_FOLDER_LOOK_GLOB' => "BI_audit_KW_requested.<VARNAME>",
				'LOOKAT_FOLDER_VARNAME' => "ID",
				'DEST_FOLDER_FORMAT' => "BI_audit_KW_requested.<VARNAME1>",
				'DEST_FOLDER_VARNAME1' => "ID",
			],
			'BI_audit_BENFORD_COLUMN' => [
				'mount_point' => "BI_audit_BENFORD",
				'share_point' => "BI_audit_BENFORD",
				'www_share_point' => "BI_audit_BENFORD",
				'LOOKAT_FOLDER_LOOK_GLOB' => "BI_audit_BENFORD.<VARNAME>",
				'LOOKAT_FOLDER_VARNAME' => "ID",
				'DEST_FOLDER_FORMAT' => "BI_audit_BENFORD.<VARNAME1>",
				'DEST_FOLDER_VARNAME1' => "ID",
			],
			'BI_audit_VALIDATE_COLUMN' => [
				'mount_point' => "BI_audit_VALIDATE",
				'share_point' => "BI_audit_VALIDATE",
				'www_share_point' => "BI_audit_VALIDATE",
				'LOOKAT_FOLDER_LOOK_GLOB' => "BI_audit_VALIDATE.<VARNAME>",
				'LOOKAT_FOLDER_VARNAME' => "ID",
				'DEST_FOLDER_FORMAT' => "BI_audit_VALIDATE.<VARNAME1>",
				'DEST_FOLDER_VARNAME1' => "ID",
			],
		];

		return ('inc' == $outputFormat)
		?	implode("\n", array_merge(
				[
					'<?php',
					'return function ($secret = "") {',
					"\t" . 'if ("secret-p5-password" !== $secret) return null;',
					"\t" . '$conf = [];',
				],
				self::convertVariableToConfigIncContent($conf, $varName = '$conf'),
				[
					"\t" . 'return $conf;',
					'};',
				]
			))
		:	implode("\n", array_merge(
				[
					';<?php',
					';die(); // For further security',
					'',
				],
				self::convertVariableToConfigIniContent($conf, $varName = '$conf'),
				[ '' ]
			))
		;
	}

	public static function convertVariableToConfigIniContent($conf = [], $varName = '$conf') {
		$ini = [];
		foreach ($conf as $key => $val) {
			if (is_array($val)) {
				$ini[] = "[\"{$key}\"]";
				foreach ($val as $subKey => $subVal) {
					if (is_scalar($subVal)) {
						$ini[] = "{$subKey}=\"{$subVal}\"";
					} else {
						throw new Exception("Config ini bug ({$key}/{$subKey})");
					}
				}
				$ini[] = "";
			} else if (is_scalar($val)) {
				$ini[] = "{$key}=\"{$val}\"";
			} else {
				throw new Exception("Config ini bug ({$key})");
			}
		}
		return $ini;
	}
	public static function convertVariableToConfigIncContent($conf = [], $varName = '$conf') {
		$inc = [];
		foreach ($conf as $key => $val) {
			if (is_array($val)) {
				$inc[] = "\t{$varName}[\"{$key}\"] = [];";
				foreach ($val as $subKey => $subVal) {
					if (is_scalar($subVal)) {
						$inc[] = "\t{$varName}[\"{$key}\"][\"{$subKey}\"] = \"{$subVal}\";";
					} else {
						throw new Exception("Config inc bug ({$key}/{$subKey})");
					}
				}
				$ini[] = "";
			} else if (is_scalar($val)) {
				$inc[] = "\t{$varName}[\"{$key}\"] = \"{$val}\";";
			} else {
				throw new Exception("Config inc bug ({$key})");
			}
		}
		return $inc;
	}

	/**
	 * Search for config ini file.
	 * TODO: $conf_file == '' - main config file
	 */
	public static function getConfFile($conf_file = '') {
		static $_cnf;
		if (!is_array($_cnf)) $_cnf = array();

		if (array_key_exists($conf_file, $_cnf)) {
			return $_cnf[$conf_file];
		}
		$_cnf[$conf_file] = null;

		$cnf = null;
		$file_prefix = '.cnf';
		if ($conf_file != '') $file_prefix .= '--'.$conf_file;
		$file_suffix = '.ini.php';
		$search_for_files = array();// kolejka includowania plikow
		$host = $_SERVER['SERVER_NAME'];
		$search_for_files[] = APP_PATH_CONFIG . DS . $file_prefix . '-' . $host . $file_suffix;

		// dziedziczenie - subdomain np. www.biall.com.pl i www2.biall.com.pl -> biall.com.pl
		$host_subdomain_exp = explode('.', $host);
		$host_subdomain = reset($host_subdomain_exp);
		$host_parent = substr($host, strlen($host_subdomain . '.'));
		$search_for_files[] = APP_PATH_CONFIG . DS . $file_prefix . '-' . $host_parent . $file_suffix;

		$search_for_files[] = APP_PATH_CONFIG . DS . $file_prefix . $file_suffix;
		foreach ($search_for_files as $f) {
			if (1 == V::get('DBG_CNF', '', $_GET)) { echo "f(" . end(explode('/',$f)) . ")=(" . file_exists($f) . ")"; }
			if (file_exists($f)) {
				Lib::loadClass('Core_Config_INI');
				$cnf = new Core_Config_INI($f);
				$_cnf[$conf_file] = $cnf->getData();
				break;
			}
		}

		try {
			if (empty($_cnf[$conf_file])) {
				$file_suffix = '.inc.php';
				$search_for_files[] = APP_PATH_CONFIG . DS . $file_prefix . '-' . $host . $file_suffix;
				$search_for_files[] = APP_PATH_CONFIG . DS . $file_prefix . '-' . $host_parent . $file_suffix;
				$search_for_files[] = APP_PATH_CONFIG . DS . $file_prefix . $file_suffix;
				foreach ($search_for_files as $f) {
					if (1 == V::get('DBG_CNF', '', $_GET)) { echo "f(" . end(explode('/',$f)) . ")=(" . file_exists($f) . ")"; }
					if (file_exists($f)) {
						$fun = include $f;
						if (!is_callable($fun)) throw new Exception("Config func is not callable");
						$_cnf[$conf_file] = $fun('secret-p5-password');
						if (null === $_cnf[$conf_file]) throw new Exception("Config error");
						break;
					}
				}
			}
		} catch (Exception $e) {
			DBG::log($e);
		}

		return $_cnf[$conf_file];
	}

	/**
	 * activeProject - SE/projects/{activeProject}/
	 * may be set by ENV or in CRM_CONFIG
	 */
	public static function getProjectName() {
		static $_activeProject = null;
		if (null !== $_activeProject) return $_activeProject;

		$activeProject = V::get('P5_ACTIVE_PROJECT', '', $_SERVER);
		DBG::log("\$activeProject = '{$activeProject}' (ENV)");
		if ($activeProject) {
			$path = APP_PATH_ROOT . DS . "projects" . DS . "{$activeProject}";
			if (!file_exists($path)) throw new Exception("Missing project folder '{$activeProject}' (env)");
		}

		if (!$activeProject) {
			$activeProject = DB::getPDO()->fetchValue(" select c.CONF_VAL from CRM_CONFIG c where c.CONF_KEY = 'activeProject' ");
			if ($activeProject) {
				$path = APP_PATH_ROOT . DS . "projects" . DS . "{$activeProject}";
				if (!file_exists($path)) throw new Exception("Missing project folder '{$activeProject}' (db)");
			}
		}
		DBG::log("\$activeProject = '{$activeProject}' (ENV, DB)");
		$_activeProject = (string)$activeProject;

		return $_activeProject;
	}

	public static function getProjectPath() {
		$activeProject = self::getProjectName();
		if (!$activeProject) return null;
		return APP_PATH_ROOT . DS . "projects" . DS . "{$activeProject}";
	}

}