<?php

Lib::loadClass('Core_AclSimpleSchemaBase');
Lib::loadClass('ParseOgcFilter');
Lib::loadClass('Router');

class Schema_SystemObjectStorageAcl extends Core_AclSimpleSchemaBase {

	public $_simpleSchema = [
		'root' => [
			'@namespace' => 'default_objects/SystemObject',
			'@primaryKey' => 'namespace',
			'idZasob' => [ '@type' => 'xsd:integer' ],
			'idDatabase' => [ '@type' => 'xsd:integer' ],
			'namespace' => [ '@type' => 'xsd:string' ],
			'_rootTableName' => [ '@type' => 'xsd:string' ],
			'_type' => [ '@type' => 'xsd:string' ],
			'hasStruct' => [ '@type' => 'xsd:integer' ], // 0 - removed, old, 1 - has config, structure
			'isStructInstalled' => [ '@type' => 'xsd:integer' ], // installed
			'isObjectActive' => [ '@type' => 'xsd:integer' ], // (0,1) - admin settings with restrictions: (hasStruct, isStructInstalled, all fields installed and with idZasob)
			'description' => [ '@type' => 'xsd:string' ],
			'name' => [ '@type' => 'p5:string' ],
			'typeName' => [ '@type' => 'p5:string' ],
			'nsPrefix' => [ '@type' => 'p5:string' ],
			'reinstallLink' => [ '@type' => 'p5:www_link' ],
			// 'A_RECORD_CREATE_AUTHOR' => [ '@type' => 'xsd:string' , '@label' => 'autor' ],
			// 'A_RECORD_CREATE_DATE' => [ '@type' => 'xsd:date' , '@label' => 'utworzono' ],
			// 'A_RECORD_UPDATE_AUTHOR' => [ '@type' => 'xsd:string' , '@label' => 'zaktualizował' ],
			// 'A_RECORD_UPDATE_DATE' => [ '@type' => 'xsd:date', '@label' => 'zaktualizowano' ],
			'field' => [ '@ref' => 'default_objects/SystemObjectField', '@maxOccurs' => 'unbounded' ]
		]
	];
	// public $_rootTableName = 'CRM_LISTA_ZASOBOW';
	public $_rootTableName = 'CRM_#CACHE_ACL_OBJECT';
	public $_version = '1';

	// public function __construct($simpleSchema = null) {
	//	 parent::__construct($simpleSchema);
	//	 self::updateCacheIfNeeded(array($this, 'updateCache'));
	// }

	// public static function updateCacheIfNeeded($updateCallback) {
	//	 static $_cacheUpdated = null;
	//	 if (null !== $_cacheUpdated) return;
	//	 $conf = DB::getPDO()->fetchFirst("
	//	 select (select CONF_VAL from CRM_CONFIG where CONF_KEY = 'SystemObject__last_cache_update_date') as lastCacheUpdate
	//	 ,	(select CONF_VAL from CRM_CONFIG where CONF_KEY = 'SystemObject__force_cache_update') as forceCacheUpdate
	//	 ,	(select CONF_VAL from CRM_CONFIG where CONF_KEY = 'SystemObject__schema_version') as schemaVersion
	//	 ,	(select CONF_VAL from CRM_CONFIG where CONF_KEY = 'tbl_indexer_CRM_PROCES_last_exec_end') as lastProcesIndexer
	//	 ,	(
	//	 select IF('N/S;' = A_RECORD_UPDATE_DATE or A_RECORD_UPDATE_DATE is null or '' = A_RECORD_UPDATE_DATE, A_RECORD_CREATE_DATE, A_RECORD_UPDATE_DATE) as lastUpdateDate
	//	 from CRM_LISTA_ZASOBOW_HIST
	//	 order by ID DESC
	//	 limit 1
	//	 ) as lastZasobyUpdate
	//	 ");
	//	 if ($conf['lastZasobyUpdate']) {// fix date format - convert to Mysql date time format '2002-05-30 09:00:00'
	//	 if (preg_match('/^\d\d\d\d\-\d\d\-\d\d\-\d\d:\d\d$/', $conf['lastZasobyUpdate'])) { // 'Y-m-d-H:i'
	//	 $conf['lastZasobyUpdate'] = substr($conf['lastZasobyUpdate'], 0, 10) . " " . substr($conf['lastZasobyUpdate'], 11) . ":00";
	//	 } else if (preg_match('/^\d\d\d\d\-\d\d\-\d\d\-\d\d:\d\d:\d\d$/', $conf['lastZasobyUpdate'])) { // 'Y-m-d-H:i:s'
	//	 $conf['lastZasobyUpdate'] = substr($conf['lastZasobyUpdate'], 0, 10) . " " . substr($conf['lastZasobyUpdate'], 11);
	//	 } else if (preg_match('/^\d\d\d\d\-\d\d\-\d\d\ \d\d:\d\d:\d\d$/', $conf['lastZasobyUpdate'])) {
	//	 $conf['lastZasobyUpdate'] = substr($conf['lastZasobyUpdate'], 0, 10) . " " . substr($conf['lastZasobyUpdate'], 11);
	//	 }
	//	 }
	//	 // $lastProcesIndexer = DB::getPDO()->fetchValue(" select CONF_VAL from CRM_CONFIG where CONF_KEY = 'tbl_indexer_CRM_PROCES_last_exec_end' ");
	//	 $updateReason = null;
	//	 if ('1' == $conf['forceCacheUpdate']) $updateReason = 'forceCacheUpdate = 1';
	//	 if (!$conf['lastCacheUpdate']) $updateReason = '!lastCacheUpdate';
	//	 if (!$conf['schemaVersion']) $updateReason = '!schemaVersion';
	//	 else if ($conf['schemaVersion'] < $this->_version) $updateReason = 'schemaVersion < ' . $this->_version;
	//	 if ($conf['lastCacheUpdate'] && $conf['lastZasobyUpdate'] && $conf['lastCacheUpdate'] < $conf['lastZasobyUpdate']) $updateReason = 'lastZasobyUpdate';
	//	 if ($updateReason) {
	//	 DBG::simpleLog('schema', "SystemObject: update cache reason '{$updateReason}' '" . json_encode($conf) . "'");
	//	 call_user_func($updateCallback);
	//	 }
	//	 DB::getPDO()->execSql("
	//	 insert into CRM_CONFIG (CONF_KEY, CONF_VAL)
	//	 values('SystemObject__last_cache_update_date', NOW())
	//	 on duplicate key update CONF_VAL = NOW()
	//	 ");
	//	 DB::getPDO()->execSql("
	//	 insert into CRM_CONFIG (CONF_KEY, CONF_VAL)
	//	 values('SystemObject__schema_version', {$this->_version})
	//	 on duplicate key update CONF_VAL = {$this->_version}
	//	 ");
	//	 if ('1' == $conf['forceCacheUpdate']) DB::getPDO()->execSql(" update CRM_CONFIG set CONF_VAL = '0' where CONF_KEY = 'SystemObject__force_cache_update' ");
	//	 $_cacheUpdated = true;
	// }

	public function updateCache($idDatabase = null) {
		DBG::simpleLog('schema', "SystemObject::updateCache...");
		// DB::getPDO()->execSql(" drop table if exists `{$this->_rootTableName}` "); // TODO: DBG
		DB::getPDO()->execSql("
			create table if not exists `{$this->_rootTableName}` (
				`idZasob` int(11) DEFAULT NULL,
				`idDatabase` int(11) NOT NULL,
				`namespace` varchar(255) DEFAULT '',
				`_rootTableName` varchar(255) DEFAULT '',
				`_type` varchar(255) DEFAULT '',
				`hasStruct` tinyint(1) NOT NULL DEFAULT 0 COMMENT 'has structure',
				`isStructInstalled` tinyint(1) NOT NULL DEFAULT 0 COMMENT 'has installed structure',
				`isObjectActive` tinyint(1) NOT NULL DEFAULT 0 COMMENT 'object is active',
				`description` varchar(255) DEFAULT '',
				UNIQUE KEY `idZasob` (idZasob),
				UNIQUE KEY `namespace` (namespace),
				KEY `isObjectActive` (isObjectActive)
			) ENGINE=MyISAM	DEFAULT CHARSET=latin2
		");
		DB::getPDO()->execSql(" update `{$this->_rootTableName}` set hasStruct = 0 ");
		$idDefDB = DB::getPDO()->getZasobId();

		$sourceStorage = SchemaFactory::loadDefaultObject('SystemSource');
		foreach ($sourceStorage->getItems([ 'f_hasConfig' => 1 ]) as $source) {
			if ('default_objects' == $source['nsPrefix']) {
				foreach (glob(APP_PATH_LIB . "/Schema/*StorageAcl.php", GLOB_NOSORT) as $file) {
					$clsName = substr(basename($file), 0, -1 * strlen('StorageAcl.php'));
					try {
						$acl = SchemaFactory::loadDefaultObject($clsName);
						$namespace = $acl->getNamespace();
						DB::getPDO()->insertOrUpdate($this->_rootTableName, [
							'namespace' => $namespace,
							'idDatabase' => $source['idZasob'],
							'_type' => "StorageAcl",
							'hasStruct' => 1
						]);
					} catch (Exception $e) {
						UI::alert('danger', $e->getMessage());
					}
				}
				DB::getPDO()->execSql("
					insert into `{$this->_rootTableName}` (namespace, idZasob, idDatabase, description, hasStruct)
					select concat('{$source['nsPrefix']}/', t.`DESC`)
						,  t.ID as idZasob
						,  '{$source['idZasob']}' as idDatabase
						,  t.`OPIS` as description
						,  1 as hasStruct
					from CRM_LISTA_ZASOBOW t
					where t.`TYPE` = 'TABELA'
						and t.A_STATUS in('NORMAL', 'WAITING')
						and t.PARENT_ID = {$source['idZasob']}
						and t.`DESC` not like '%/%'
					on duplicate key update idZasob = t.ID
											, hasStruct = 1
				");
			}
			else {
				try {
					$dbName = DB::getPDO($source['idZasob'])->getDatabaseName();
					$dbType = DB::getPDO($source['idZasob'])->getType();
					if ('mysql' == $dbType) {
						UI::alert('warning', "TODO: { id: {$source['idZasob']}, nsPrefix: '{$source['nsPrefix']}', dbName: '{$dbName}', dbType: '{$dbType}'} ...");
						// TODO: if another DB split select and insert
						DB::getPDO()->execSql("
							insert into `{$this->_rootTableName}` (namespace, idDatabase, _rootTableName, _type, description)
							select concat('{$source['nsPrefix']}/', t.TABLE_NAME) as namespace
								, '{$source['idZasob']}' as idDatabase
								, t.TABLE_NAME as _rootTableName
								, 'TableAcl' as _type
								, t.TABLE_COMMENT as description
							from INFORMATION_SCHEMA.TABLES t
							where t.TABLE_SCHEMA = '{$dbName}'
							on duplicate key update _rootTableName = t.TABLE_NAME
						");
						DB::getPDO()->execSql("
							insert into `{$this->_rootTableName}` (namespace, idZasob, idDatabase, description, hasStruct)
							select IF(t.`DESC` like 'default_db/%',
									t.`DESC`,
									concat('{$source['nsPrefix']}/', t.`DESC`)
								) as namespace
								, t.ID as idZasob
								, '{$source['idZasob']}' as idDatabase
								, t.`OPIS` as description
								, 1 as hasStruct
							from CRM_LISTA_ZASOBOW t
							where t.`TYPE` = 'TABELA'
								and t.A_STATUS in('NORMAL', 'WAITING')
								and t.PARENT_ID = {$source['idZasob']}
							on duplicate key update idZasob = t.ID
													, hasStruct = 1
						");
					// } else if ('pgsql' == $dbType) {// TODO: use pgsql @see Storage Pgsql getTables from information_schema
					} else {
						UI::alert('warning', "TODO: { id: {$source['idZasob']}, nsPrefix: '{$source['nsPrefix']}', dbName: '{$dbName}', dbType: <b>'{$dbType}'</b>} ...");
					}
				} catch (Exception $e) {
					UI::alert('danger', "Error source '{$source['idZasob']}' " . $e->getMessage());
					continue;
				}
			}
		}

		// Ant objects in: SE/schema/ant-object/
		foreach (glob(APP_PATH_SCHEMA . "/ant-object/*/*/build.xml", GLOB_NOSORT) as $file) {
			// SE/schema/ant-object/default_db.test_perms/TestPermsAnt/build.xml
			$file = substr($file, strlen(APP_PATH_SCHEMA . '/ant-object/'), -1 * strlen('/build.xml'));
			DBG::nicePrint($file, '$file');
			list($partSource, $name) = explode('/', $file);
			list($sourceName, $rootTableName) = explode('.', $partSource);
			DBG::nicePrint([$sourceName, $rootTableName, $name], '[$lowerSource, $rootTableName, $name]');
			// $clsName = substr(basename($file), 0, -1 * strlen('StorageAcl.php'));
			try {
				Lib::loadClass('AntAclBase');
				$acl = AntAclBase::buildInstance(0, [
					'source' => $sourceName,
					'rootTableName' => $rootTableName,
					'name' => $name
				]);
				// $acl = SchemaFactory::loadDefaultObject($clsName);
				// $namespace = $acl->getNamespace();
				// $name = $acl->getName();
				$idDatabase = DB::getPDO($sourceName)->getZasobId();
				$namespace = "{$sourceName}/{$rootTableName}/{$name}";
				DB::getPDO()->insertOrUpdate($this->_rootTableName, [
					'namespace' => $namespace,
					'idDatabase' => $idDatabase,
					'_type' => "AntAcl",
					'_rootTableName' => $rootTableName,
					'hasStruct' => 1
				]);
			} catch (Exception $e) {
				UI::alert('danger', $e->getMessage());
			}
		}

		// // foreach ... DB::getPDO($idDatabase)->fetchAll(select real _rootTableName)
		// foreach (Core_AclHelper::getCustomAclList() as $typeName) {
		//	 $ns = Core_AclHelper::parseTypeName($typeName);
		//	 $namespace = str_replace('__x3A__', '/', $ns['prefix']) . "/{$ns['name']}";
		//	 $sqlNs = DB::getPDO()->quote($namespace, PDO::PARAM_STR);
		//	 $idZasob = DB::getPDO()->fetchValue(" select ID from CRM_LISTA_ZASOBOW where `DESC` = {$sqlNs} and `TYPE` = 'TABELA' and A_STATUS in('WAITING', 'NORMAL') ");
		//	 if (!$idZasob) {
		//	 DBG::nicePrint($ns, "TODO: insert zasob PARENT_ID = ?");
		//	 }
		// }
	}

	public function _parseWhere($params = []) {
		$sqlWhere = [];
		DBG::log($params, 'array', "SystemObject::_parseWhere");
		if (!empty($params['#refFrom'])) {
			// '#refFrom' => [
			//	 'namespace' => 'default_objects/SystemSource',
			//	 'primaryKey' => $sourceItem['idZasob']
			// ]
			if (empty($params['#refFrom']['namespace'])) throw new Exception("Missing refFrom/namespace");
			if (empty($params['#refFrom']['primaryKey'])) throw new Exception("Missing refFrom/primaryKey");

			if ('default_objects/SystemSource' != $params['#refFrom']['namespace']) throw new Exception("Unsupported refFrom/namespace '{$params['#refFrom']['namespace']}'");
			$sqlWhere[] = "t.idDatabase = " . DB::getPDO()->quote($params['#refFrom']['primaryKey'], PDO::PARAM_INT);
		}
		{
			$filterParams = [];
			$xsdFields = $this->getXsdTypes();
			foreach ($params as $k => $v) {
				if ('f_' != substr($k, 0, 2)) continue;
				$fieldName = substr($k, 2);
				if (!array_key_exists($fieldName, $xsdFields)) {
					// TODO: check query by xpath or use different param prefix
					throw new Exception("Field '{$fieldName}' not found in '{$this->_namespace}'");
				}
				if ('p5:www_link' == $xsdFields[$fieldName]) {
					continue;
				}
				$filterParams[$fieldName] = $v;
			}
		}
		if (!empty($filterParams)) {
			DBG::log($filterParams, 'array', "SystemObject::_parseWhere TODO \$filterParams");
			foreach ($filterParams as $fieldName => $value) {
				if (is_array($value)) {
					DBG::log($value, 'array', "TODO SystemObject::_parseWhere array value for \$filterParams[{$fieldName}]");
				} else if (is_scalar($value)) {
					if ('=' == substr($value, 0, 1)) {
						$sqlWhere[] = "t.{$fieldName} = " . DB::getPDO()->quote(substr($value, 1), PDO::PARAM_STR);
					} else {
						$sqlWhere[] = "t.{$fieldName} like " . DB::getPDO()->quote("%{$value}%", PDO::PARAM_STR);
					}
				} else {
					DBG::log($value, 'array', "BUG SystemObject::_parseWhere unknown type for \$filterParams[{$fieldName}]");
				}
			}
		}
		return (!empty($sqlWhere)) ? "where " . implode(" and ", $sqlWhere) : '';
	}

	public function getTotal($params = []) {
		$sqlWhere = $this->_parseWhere($params);
		return DB::getPDO()->fetchValue("
			select count(1) as cnt
			from `{$this->_rootTableName}` t
			{$sqlWhere}
		");
	}

	public function clearGetItemCache($pk = null) {
		if (!$pk) $this->_cache = [];
		else if (array_key_exists($pk, $this->_cache)) unset($this->_cache[$pk]);
	}
	public function getItem($pk, $params = []) {
		// TODO: ceche query for: $pk = 'default_db/CRM_PROCES/PROCES', $params = [ 'propertyName' => "*,field" ]
		if (!$this->_cache) $this->_cache = [];
		if (!empty($this->_cache) && 1 === count($params) && "*,field" === V::get('propertyName', '', $params)) {
			if (array_key_exists($pk, $this->_cache)) return $this->_cache[$pk];
			$this->_cache[$pk] = $this->_getItem($pk, $params);
		} else {
			return $this->_getItem($pk, $params);
		}
		return $this->_cache[$pk];
	}

	public function _getItem($pk, $params = []) {
		if (!$pk) throw new Exception("Missing primary key '{$this->_namespace}'");
		$pkField = $this->getSqlPrimaryKeyField();
		if (!$pkField) throw new Exception("Missing primary key field defined in '{$this->_namespace}'");
		$sqlPk = DB::getPDO()->quote($pk, PDO::PARAM_STR);
		$item = DB::getPDO()->fetchFirst("
			select t.*
			from `{$this->_rootTableName}` t
			where t.`{$pkField}` = {$sqlPk}
		");
		if (!$item) throw new Exception("Item '{$pk}' not exists - type '{$this->_namespace}'");
		return $this->buildFeatureFromSqlRow($item, $params);
	}

	public function getItems($params = []) {
		$sqlWhere = $this->_parseWhere($params);

		$currSortCol = V::get('order_by', 'idZasob', $params);
		$currSortFlip = strtolower(V::get('order_dir', 'desc', $params));
		// TODO: validate $currSortCol is in field list
		// TODO: validate $currSortFlip ('asc' or 'desc')
		$xsdFields = $this->getXsdTypes();
		if (!array_key_exists($currSortCol, $xsdFields)) throw new Exception("Field '{$currSortCol}' not found in '{$this->_namespace}'");
		if (!in_array($currSortFlip, ['asc', 'desc'])) throw new Exception("Sort dir not allowed");
		$sqlOrderBy = "order by t.`{$currSortCol}` {$currSortFlip}";

		$limit = V::get('limit', 0, $params, 'int');
		$limit = ($limit < 0) ? 0 : $limit;
		$offset = V::get('limitstart', 0, $params, 'int');
		$offset = ($offset < 0) ? 0 : $offset;
		$sqlLimit = ($limit > 0)
		? "limit {$limit} offset {$offset}"
		: '';

		Lib::loadClass('AclQueryItems');
		$query = new AclQueryItems($this);
		$query->setParams($params);
		$query->setSource('default_db');
		$query->setRawSql("
			select t.*
			from `{$this->_rootTableName}` t
			{$sqlWhere}
			{$sqlOrderBy}
			{$sqlLimit}
		");
		return $query->fetchAll();
	}

	public function buildFeatureFromSqlRow($item, $params = []) {
		DBG::log($params, 'array', "buildFeatureFromSqlRow...");
		$exNs = explode('/', $item['namespace']);
		$item['name'] = array_pop($exNs);
		$item['nsPrefix'] = implode('__x3A__', $exNs);
		$item['typeName'] = implode('__x3A__', $exNs) . ':' . $item['name'];
		$item['reinstallLink'] = Router::getRoute('Storage')->getLink('objectReinstall', [ 'namespace' => $item['namespace'] ]);
		if (!empty($params['propertyName'])) {
			if (is_string($params['propertyName'])) $params['propertyName'] = explode(',', $params['propertyName']);
			if (!is_array($params['propertyName'])) throw new Exception("Wrong param propertyName - expected array or string");
			foreach ($params['propertyName'] as $fetchField) {
				if ('*' == $fetchField) continue;
				if ('field' == $fetchField) {
					$item['field'] = SchemaFactory::loadDefaultObject('SystemObjectField')->getItems([
						'__backRef' => [
							'namespace' => 'default_objects/SystemObject',
							'primaryKey' => $item['namespace']
						]
					]);
				}
			}
		}
		return $item;
	}

	public function updateItem($itemPatch) { // @required [ 'namespace' => ... ] (primaryKey)
		$pkField = $this->getPrimaryKeyField();
		$pk = V::get($pkField, null, $itemPatch);
		if (null === $pk) throw new Exception("BUG missing primary key field for '{$this->_namespace}' updateItem");
		$this->clearGetItemCache($pk);
		DBG::log(['updateItem $itemPatch', $itemPatch]);
		unset($itemPatch[$pkField]);
		if (empty($itemPatch)) return 0;
		foreach ($itemPatch as $fieldName => $value) {
			if ('isStructInstalled' == $fieldName) continue;
			if ('isObjectActive' == $fieldName) continue;
			throw new Exception("Update field '{$fieldName}' not allowed for '{$this->_namespace}'");
		}
		return DB::getPDO()->update($this->_rootTableName, $pkField, $pk, $itemPatch);
	}

}