<?php
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}
abstract class WaicController {
	protected $_models = array();
	protected $_views = array();
	protected $_task = '';
	protected $_defaultView = '';
	protected $_code = '';
	public function __construct( $code ) {
		$this->setCode($code);
		$this->_defaultView = $this->getCode();
	}
	public function init() {
		/*load model and other preload data goes here*/
	}
	protected function _onBeforeInit() {
	}
	protected function _onAfterInit() {
	}
	public function setCode( $code ) {
		$this->_code = $code;
	}
	public function getCode() {
		return $this->_code;
	}
	public function isActionAllowed( $task ) {
		if ( ! is_string( $task ) || '' === $task || '_' === substr( $task, 0, 1 ) ) {
			return false;
		}
		return method_exists( $this, $task );
	}
	public function exec( $task = '' ) {
		if ( $this->isActionAllowed( $task ) && method_exists( $this, $task ) ) {
			$this->_task = $task;   //For multicontrollers module version - who know, maybe that's will be?))
			return $this->$task();
		}
		return null;
	}
	public function getView( $name = '' ) {
		if (empty($name)) {
			$name = $this->getCode();
		}
		if (!isset($this->_views[$name])) {
			$this->_views[$name] = $this->_createView($name);
		}
		return $this->_views[$name];
	}
	public function getModel( $name = '' ) {
		if (!$name) {
			$name = $this->_code;
		}
		if (!isset($this->_models[$name])) {
			$this->_models[$name] = $this->_createModel($name);
		}
		return $this->_models[$name];
	}
	protected function _createModel( $name = '' ) {
		if (empty($name)) {
			$name = $this->getCode();
		}
		$parentModule = WaicFrame::_()->getModule( $this->getCode() );
		$className = '';
		if (waicImport($parentModule->getModDir() . 'models' . WAIC_DS . $name . '.php')) {
			$className = waicToeGetClassName($name . 'Model');
		}
		
		if ($className) {
			$model = new $className();
			$model->setCode( $this->getCode() );
			return $model;
		}
		return null;
	}
	protected function _createView( $name = '' ) {
		if (empty($name)) {
			$name = $this->getCode();
		}
		$parentModule = WaicFrame::_()->getModule( $this->getCode() );
		$className = '';
		
		if (waicImport($parentModule->getModDir() . 'views' . WAIC_DS . $name . '.php')) {
			$className = waicToeGetClassName($name . 'View');
		}
		
		if ($className) {
			$view = new $className();
			$view->setCode( $this->getCode() );
			return $view;
		}
		return null;
	}
	public function display( $viewName = '' ) {
		$view = $this->getView($viewName);
		if (null === $view) {
			$view = $this->getView();   //Get default view
		}
		if ($view) {
			$view->display();
		}
	}
	public function __call( $name, $arguments ) {
		$model = $this->getModel();
		if (method_exists($model, $name)) {
			return $model->$name($arguments[0]);
		} else {
			return false;
		}
	}
	/**
	 * Retrive permissions for controller methods if exist.
	 * If need - should be redefined in each controller where it required.
	 *
	 * @return array with permissions
	 * Can be used on of sub-array - WAIC_METHODS or WAIC_USERLEVELS
	 */
	public function getPermissions() {
		return array();
	}
	/**
	 * Methods that require nonce to be generated
	 * If need - should be redefined in each controller where it required.
	 *
	 * @return array
	 */
	public function getNoncedMethods() {
		return array();
	}
	public function getAjaxActions() {
		return array();
	}
	public function allowNoprivAjax( $action ) {
		return is_string( $action ) && in_array( $action, $this->getAjaxActions(), true );
	}
	protected function _getAdminAjaxCap() {
		$cap = 'manage_options';
		$adminMenu = WaicFrame::_()->getModule('adminmenu');
		if ($adminMenu && method_exists($adminMenu, 'getMainCap')) {
			$mainCap = $adminMenu->getMainCap();
			if (!empty($mainCap)) {
				$cap = $mainCap;
			}
		}
		return $cap;
	}
	protected function _ajaxSecurityError( $message ) {
		if (function_exists('status_header')) {
			status_header(403);
		}
		$res = new WaicResponse();
		$res->pushError($message);
		return $res->ajaxExec(true);
	}
	protected function _checkAdminAjaxSecurity() {
		if (false === check_ajax_referer('waic-nonce', 'waicNonce', false)) {
			return $this->_ajaxSecurityError(esc_html__('Security check failed', 'ai-copilot-content-generator'));
		}
		if (!current_user_can($this->_getAdminAjaxCap())) {
			return $this->_ajaxSecurityError(esc_html__('You have no permissions to view this page', 'ai-copilot-content-generator'));
		}
		return true;
	}
	public function getModule() {
		return WaicFrame::_()->getModule( $this->getCode() );
	}
	protected function _prepareTextLikeSearch( $val ) {
		return ''; // Should be re-defined for each type
	}
	protected function _prepareModelBeforeListSelect( $model ) {
		return $model->setSelectFields('*');
	}
	public function removeGroup() {
		if (true !== $this->_checkAdminAjaxSecurity()) {
			return;
		}
		$res = new WaicResponse();
		if ($this->getModel()->removeGroup(WaicReq::getVar('ids', 'post'))) {
			$res->addMessage(esc_html__('Done', 'ai-copilot-content-generator'));
		} else {
			$res->pushError($this->getModel()->getErrors());
		}
		$res->ajaxExec();
	}
	public function clear() {
		if (true !== $this->_checkAdminAjaxSecurity()) {
			return;
		}
		$res = new WaicResponse();
		if ($this->getModel()->clear()) {
			$res->addMessage(esc_html__('Done', 'ai-copilot-content-generator'));
		} else {
			$res->pushError($this->getModel()->getErrors());
		}
		$res->ajaxExec();
	}
	protected function _prepareListForTbl( $data ) {
		return $data;
	}
	protected function _prepareSearchField( $searchField ) {
		return $searchField;
	}
	protected function _prepareSearchString( $searchString ) {
		return $searchString;
	}
	protected function _prepareSortOrder( $sortOrder ) {
		return $sortOrder;
	}
}