<?php

/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

namespace app\classes;

/**
 * Description of ModuleConfig
 *
 * @author maros
 */
class ModuleConfig {

    protected $moduleName;
    protected $app;
    protected $config;
    protected $incConfigs = array();
    protected $basePath;

    CONST PERMISSIONS = "permissions";

    public function __construct($class) {
        $this->app = \App::getInstance();

        if (is_object($class)) {
            $rc = new \ReflectionClass(get_class($class));
            $fullPath = dirname($rc->getFileName());
        } else {
            $fullPath = str_replace("\\", "/", $class);
        }

        $modulePath = substr($fullPath, strpos($fullPath, "modules/") + 8);
        $this->moduleName = substr($modulePath, 0, strpos($modulePath, "/")) . "_module";
        $this->config = $this->app->getConfig($this->moduleName);
        if ($this->config === false) {
            $this->app->addConfigVariable($this->moduleName, array());
            $this->config = array();
        }

        $this->basePath = DOCUMENT_ROOT . "modules/" . substr($modulePath, 0, strpos($modulePath, "/")) . "/";
    }

    public function getConfig($key) {
        if (key_exists($key, $this->config)) {
            return $this->config[$key];
        }

        return $this->getIncConfig("temp", $key);
    }

    public function setConfig($key, $val) {
        if (!key_exists($key, $this->config)) {
            $this->addConfigVariable($key);
        }
        $this->config[$key] = $val;
        $this->app->setConfig($this->moduleName, $this->config);
        return true;
    }

    public function addConfigVariable($key, $val = "") {
        if (key_exists($key, $this->config)) {
            return false;
        }
        $this->config[$key] = $val;
        $this->app->setConfig($this->moduleName, $this->config);
        return true;
    }

    public function getIncConfig($scope = false, $key = false, $configFile = "config") {
        $config = array();
        if (key_exists($configFile, $this->incConfigs)) {
            $config = &$this->incConfigs[$configFile];
        } else if (file_exists($this->basePath . $configFile . ".ini")) {
            $this->incConfigs[$configFile] = parse_ini_file($this->basePath . $configFile . ".ini", true, INI_SCANNER_TYPED);
            $config = &$this->incConfigs[$configFile];
        }

        if ($scope === false) {
            return count($config) === 0 ? false : $config;
        }
        if ($key === false) {
            return key_exists($scope, $config) ? $config[$scope] : false;
        }

        return key_exists($scope, $config) && key_exists($key, $config[$scope]) ? $config[$scope][$key] : false;
    }

    protected function hasPermissions($scope, $type = false) {
        if ($type !== false) {
            return isset($this->config["permissions"]) && isset($this->config["permissions"][$scope]) && in_array($type, $this->config["permissions"][$scope]);
        }

        try {
            $user = BasicUser::getLoggedUser();
            $type = $user->_get("type");
            return isset($this->config["permissions"]) && isset($this->config["permissions"][$scope]) && in_array($type, $this->config["permissions"][$scope]);
        } catch (\Exception $ex) {
            
        }

        return false;
    }

    public function hasReadPermissions($type = false) {
        return $this->hasPermissions("R", $type);
    }

    public function hasWritePermissions($type = false) {
        return $this->hasPermissions("W", $type);
    }

    public function verifyReadPermissions() {
        if (!$this->hasReadPermissions()) {
            throw new \Exception(\app\constants\ResponseCodes::ACCESS_DENIED, \app\constants\ResponseCodes::ACCESS_DENIED);
        }
    }

    public function verifyWritePermissions() {
        if (!$this->hasWritePermissions()) {
            throw new \Exception(\app\constants\ResponseCodes::ACCESS_DENIED, \app\constants\ResponseCodes::ACCESS_DENIED);
        }
    }

    public function getBasePath() {
        return $this->basePath;
    }

}