<?php

Lib::loadClass('User');
Lib::loadClass('SchemaReader');

class SchemaReaderProcess {

	private $_version;
	private $_date;
	private $_access = array();
	private $_accessGroups = array();
	private $_steps = array();
	private $_resourcesTable = array();
	private $_resources = array();

	public function __construct() {
	}

	public function parseIniConfig($config) {
		$configData = $config->getData();

		$this->_version = $config->get('version', 'CONFIG');
		$this->_date = $config->get('date', 'CONFIG');

		DBG::_('DBG_SCH', '1', "configData", $configData, __CLASS__, __FUNCTION__, __LINE__ );
		$configSections = array_keys($configData);
		if (in_array('ACCESS', $configSections)) {
			if (array_key_exists('HAS_ACCESS', $configData['ACCESS'])) {
				$this->_access = $configData['ACCESS']['HAS_ACCESS'];
				if (!is_array($this->_access)) $this->_access = array($this->_access);
			}
			if (array_key_exists('GROUPS', $configData['ACCESS'])) {
				$this->_accessGroups = $configData['ACCESS']['GROUPS'];
				if (!is_array($this->_accessGroups)) $this->_accessGroups = array($this->_accessGroups);
			}
		}

		$this->_steps = array();
		foreach ($configSections as $section) {
			if ('STEP' == substr($section, 0, 4)) {
				$sectionParts = explode(':', $section);
				$sectionPartsCnt = count($sectionParts);
				if ($sectionPartsCnt == 2) {// eg. [STEP:1]
					$stepNr = $sectionParts[1];
					$step = SchemaReader::buildProcessStepFromIni($stepNr, $configData[$section]);
					if ($step) {
						$this->_steps[$stepNr] = $step;
					}
				}
			}
		}
		DBG::_('DBG_SCH', '1', "_steps:1", $this->_steps, __CLASS__, __FUNCTION__, __LINE__ );

		foreach ($configSections as $section) {
			if ('STEP' == substr($section, 0, 4)) {
				$sectionParts = explode(':', $section);
				$sectionPartsCnt = count($sectionParts);
				if ($sectionPartsCnt > 3) {// eg. [STEP:1:RESOURCE:1]
					$stepNr = $sectionParts[1];
					$resourceUri = V::get('uri', '', $configData[$section]);
					if (!$resourceUri) continue;
					$resource = SchemaReader::buildFromIni($resourceUri, $configData[$section]);
					if ($resource && array_key_exists($stepNr, $this->_steps)) {
						$this->_steps[$stepNr]->addResource($resource);
					}
				}
			}
		}
		DBG::_('DBG_SCH', '1', "_steps:2", $this->_steps, __CLASS__, __FUNCTION__, __LINE__ );

		$this->_resourcesTable = array();
		foreach ($this->_steps as $step) {
			$stepTbls = $step->getTables();
			foreach ($stepTbls as $tblUri => $tbl) {
				if (array_key_exists($tblUri, $this->_resourcesTable)) {
					$this->_resourcesTable[$tblUri]->mergeFields($tbl);
				} else {
					$this->_resourcesTable[$tblUri] = $tbl;
				}
			}
		}
		DBG::_('DBG_SCH', '1', "_resourcesTable", $this->_resourcesTable, __CLASS__, __FUNCTION__, __LINE__ );

		return true;
	}

	public function hasTables() {
		return !empty($this->_resourcesTable);
	}

	public function getTables() {
		return $this->_resourcesTable;
	}

	public function hasAccess() {
		if (!empty($this->_access)) {
			foreach ($this->_access as $accessName) {
				if (User::hasAccess($accessName)) {
					return true;
				}
			}
		}
		if (!empty($this->_accessGroups)) {
			foreach ($this->_accessGroups as $accessGroup) {
				if (User::hasGroup($accessGroup)) {
					return true;
				}
			}
		}
		return false;
	}

}