<?php

namespace FQP;

abstract class ShortcodeAbstract {
    protected $_template;

    protected function _get_template() {
        return FQP_PLUGIN_DIR_PATH . 'templates/' . $this->_template;
    }

    protected function _render( $options ) {
        extract( $options );
        ob_start();
        include $this->_get_template();
        $output = ob_get_contents();
        ob_end_clean();

        return $output;
    }

    /**
     * @param string|null|false $lang
     * @return string
     */
    public static function get_form_action( $lang = null ) {
        $path = 'admin-post.php';
        if ( false !== $lang ) {
            if ( ! $lang ) {
                $lang = $lang ?: FQP::get_curr_lang();
                $lang = rawurlencode( $lang );
            }
            $path .= "?lang={$lang}";
        }
        return admin_url( $path );
    }

    public static function get_form_ajax_action( $lang = null ) {
        $lang = $lang ?: FQP::get_curr_lang();
        $lang = rawurlencode( $lang );
        return admin_url( "admin-ajax.php?lang={$lang}"  );
    }

    public static function get_page_url( $lang = null ) {
        $url = '';
        $option = get_option( FQP::QUOTE_FORM_PAGE_ID_OPTION );
        if ( $option ) {
            if ( null === $lang ) {
                $lang = FQP::get_curr_lang();
            }
            if ( array_key_exists( $lang, $option ) && !empty( $option[$lang] ) ) {
                $post_ID = $option[$lang];
            } else {
                $post_ID = reset( $option );
            }
            if ( $post_ID ) {
                $url = get_permalink( $post_ID );
            }
        }
        return $url;
    }

    protected function _get_template_options() {
        $options = [];
        $options['curr_lang'] = FQP::get_curr_lang();
        $options['entry_types'] = DB::get_entry_types();
        $options['backing_types'] = DB::get_backing_types();
        $options['action'] = self::get_form_action(false);
        return $options;
    }

    public function exec() {
        $options = $this->_get_template_options();
        return $this->_render( $options );
    }

    public function sanitize_spaces( array &$data ) {
        if ( empty( $data ) ) {
            return $this;
        }

        foreach ( $data as &$item ) {
            if ( is_array( $item ) ) {
                $this->sanitize_spaces( $item );
            } else {
                $item = trim( $item );
            }
        }

        return $this;
    }
}