<?php

Lib::loadClass('SchemaException');
Lib::loadClass('Schema_TableBase');

/**
 * Base class for all tables - Schema_TableBase
 *   CoreTableClass extends from Schema_TableBase
 *     CompanyTableClass extend from CoreTableClass
 *
 * WARNING: to add CompanyTableClass, add CoreTableClass first
 */
class Schema_TableFactory {

	public static function build($tableName, $idSource = null, $hostName = '') {
		//_schemaClass
		$cleanHostName = str_replace(array(".", "-"), '_', $hostName);
		$cleanTableName = strtolower($tableName);
		$cleanSourceName = ($idSource == DB::getPDO()->getZasobId())? 'default_db' : "p5_{$idSource}";

		DBG::_('DBG_SCH', '>2', "cleanHostName", $cleanHostName, __CLASS__, __FUNCTION__, __LINE__);
		DBG::_('DBG_SCH', '>2', "cleanTableName", $cleanTableName, __CLASS__, __FUNCTION__, __LINE__);
		DBG::_('DBG_SCH', '>2', "cleanSourceName", $cleanSourceName, __CLASS__, __FUNCTION__, __LINE__);
		// TODO: fetch form widgets from file config
		//       "schema/gui/core/{$cleanSourceName}.{$cleanTableName}.php";
		//       class Schema_Core_{$cleanSourceName}_{$cleanTableName};
		//   TODO: override by company file config
		//         "schema/gui/{$cleanHostName}/{$cleanSourceName}.{$cleanTableName}.php";
		//         class Schema_{$cleanHostName}_{$cleanSourceName}_{$cleanTableName};
		$pathCoreClass = APP_PATH_SCHEMA . "/gui/core/{$cleanSourceName}.{$cleanTableName}.php";
		if (!file_exists($pathCoreClass)) throw new SchemaException("Core Class file not found '{$cleanSourceName}.{$cleanTableName}'");
		require_once $pathCoreClass;
		$coreClassName = "Schema__Core__{$cleanSourceName}__{$cleanTableName}";
		if (!class_exists($coreClassName)) throw new SchemaException("Config error for schema core class {$cleanSourceName}:{$cleanTableName}");

		if ($cleanHostName) {
			$pathCompanyClass = APP_PATH_SCHEMA . "/gui/company/{$cleanHostName}/{$cleanSourceName}.{$cleanTableName}.php";
			$companyClassName = "Schema__{$cleanHostName}__{$cleanSourceName}__{$cleanTableName}";
			if (!file_exists($pathCompanyClass)) throw new SchemaException("Host Class file not found '{$cleanHostName}/{$cleanSourceName}.{$cleanTableName}'");
			require_once $pathCompanyClass;
			if (!class_exists($companyClassName)) throw new SchemaException("Config error for schema company class {$cleanSourceName}:{$cleanTableName}");
			return new $companyClassName();
		} else {
			return new $coreClassName();
		}
	}

}