<?php if (!defined('ABSPATH')) {
    exit('No direct script access allowed');
}

/**
 * The public-facing functionality of the plugin.
 *
 * @link       https://agegate.io
 * @since      2.0.0
 *
 * @package    Age_Gate
 * @subpackage Age_Gate/public
 */

/**
 * The public-facing functionality of the plugin.
 *
 * Defines the plugin name, version, and two examples hooks for how to
 * enqueue the public-facing stylesheet and JavaScript.
 *
 * @package    Age_Gate
 * @subpackage Age_Gate/public
 * @author     Phil Baker
 */
class Age_Gate_Presentation extends Age_Gate_Public
{
    protected $restricted;
    public function __construct()
    {
        parent::__construct();
    }

    /**
     * Register the stylesheets for the public-facing side of the site.
     *
     * @since    1.0.0
     */
    public function enqueue_styles()
    {

        /**
         * This function is provided for demonstration purposes only.
         *
         * An instance of this class should be passed to the run() function
         * defined in Age_Gate_Loader as all of the hooks are defined
         * in that particular class.
         *
         * The Age_Gate_Loader will then create the relationship
         * between the defined hooks and the functions defined in this
         * class.
         */

        // add a filter for the css file
        // this will enable easier theming later
        $age_gate_css = apply_filters('age_gate_default_css', plugin_dir_url(__FILE__) . 'css/age-gate-public.css');
        wp_register_style($this->plugin_name, $age_gate_css, array(), $this->version, 'all');

        if (is_admin_bar_showing()) {
            wp_register_style($this->plugin_name . '-toolbar', AGE_GATE_URL . 'admin/css/age-gate-toolbar.css', array(), $this->version, 'all');
            wp_enqueue_style($this->plugin_name . '-toolbar');
        }

        wp_register_style($this->plugin_name . '-user-options', false);


        // enqueue default css

        if ($this->settings['appearance']['styling']) {
            wp_enqueue_style($this->plugin_name);
        }

        // enqueue settings based
        if ($custom = $this->_compile_css()) {
            wp_add_inline_style($this->plugin_name . '-user-options', $custom);
            wp_enqueue_style($this->plugin_name . '-user-options');
        }


        // enqueue custom
        if ($this->settings['advanced']['custom_css']) {

            // if the file isn't writable we'll assume it is not up to date and use the DB
            if ($this->settings['advanced']['save_to_file'] && is_writeable(AGE_GATE_PATH . 'public/css/age-gate-custom.css') && is_readable(AGE_GATE_PATH . 'public/css/age-gate-custom.css')) {
                wp_register_style($this->plugin_name . '-custom', plugin_dir_url(__FILE__) . 'css/age-gate-custom.css', array(), $this->version, 'all');
            } else {
                wp_register_style($this->plugin_name . '-custom', false);

                $css = stripslashes(htmlspecialchars_decode(html_entity_decode($this->settings['advanced']['custom_css']), ENT_QUOTES));


                // Get the first style block

                wp_add_inline_style($this->plugin_name . '-custom', $css);
            }

            wp_enqueue_style($this->plugin_name . '-custom');
        }
        // plugin_dir_url( __FILE__ ) . 'css/age-gate-custom.css'
    }

    /**
     * Register the JavaScript for the public-facing side of the site.
     *
     * @since    1.0.0
     */
    public function enqueue_scripts()
    {
        if (function_exists('et_fb_enabled') && et_fb_enabled()) {
            return;
        }

        /**
         * This function is provided for demonstration purposes only.
         *
         * An instance of this class should be passed to the run() function
         * defined in Age_Gate_Loader as all of the hooks are defined
         * in that particular class.
         *
         * The Age_Gate_Loader will then create the relationship
         * between the defined hooks and the functions defined in this
         * class.
         */
        if ($this->settings['restrictions']['stepped'] && $this->settings['restrictions']['input_type'] === 'inputs') {
            wp_enqueue_script($this->plugin_name . '-stepped', plugin_dir_url(__FILE__) . 'js/stepped.js', array('jquery'), $this->version, true);
        }


        if ($this->settings['advanced']['use_js']) {
            if ($this->settings['advanced']['js_hooks']) {
                wp_enqueue_script($this->plugin_name . '-hooks', plugin_dir_url(__FILE__) . 'js/age-gate-public-hooks.js', array(), $this->version);
            }
            wp_enqueue_script($this->plugin_name, plugin_dir_url(__FILE__) . 'js/age-gate-public.js', array('jquery'), $this->version, true);
        } else {
            wp_enqueue_script($this->plugin_name, plugin_dir_url(__FILE__) . 'js/age-gate-public-cookie.js', array('jquery'), $this->version, true);
            $params = array(
                'errors' => array(
                    'cookies' => $this->settings['messages']['cookie_message'],
                    'fail' => $this->settings['messages']['under_age_msg'],
                ),
                'settings' => [
                    'rechallenge' => filter_var($this->settings['restrictions']['rechallenge'], FILTER_VALIDATE_BOOLEAN)
                ]
            );
            wp_localize_script($this->plugin_name, 'age_gate_params', $params);
        }

        if ($this->settings['appearance']['auto_tab'] && !$this->settings['restrictions']['stepped']) {
            wp_enqueue_script($this->plugin_name . '-auto-tab', plugin_dir_url(__FILE__) . 'js/age-gate-public-tab.js', array('jquery'), $this->version, true);
        }

        if (is_admin_bar_showing() && current_user_can(AGE_GATE_CAP_RESTRICTIONS) && $this->settings['advanced']['use_js']) {
            wp_enqueue_script($this->plugin_name . '-toggle', AGE_GATE_URL . 'admin/js/age-gate-toggle.js', array('jquery'), $this->version, true);
            wp_localize_script($this->plugin_name . '-toggle', 'age_gate_toggle', ['show' => __('Show Age Gate', 'age-gate')]);
        }
    }

    /**
     * Compile user settings to css
     * @return 	string The CSS
     * @since 	2.0.0
     */
    private function _compile_css()
    {
        $css = '';
        if ($this->settings['appearance']['background_colour']) {
            $css .= ".age-gate-wrapper { background: transparent; }";
            $css .= ".age-gate-background-colour { background-color: rgba(" . $this->_hex2RGB($this->settings['appearance']['background_colour']) . ", " . $this->settings['appearance']['background_opacity'] . "); }";
        }
        if ($this->settings['appearance']['background_image']) {
            $css .= ".age-gate-wrapper { background: transparent; }";
            $css .= ".age-gate-background { background-image: url(" . wp_get_attachment_url($this->settings['appearance']['background_image']) . "); opacity: " . $this->settings['appearance']['background_image_opacity'] . "; background-position: " . $this->settings['appearance']['background_pos_y'] . " " . $this->settings['appearance']['background_pos_x'] . "; }";
        }
        if ($this->settings['appearance']['foreground_colour']) {
            $css .= ".age-gate-form { background-color: rgba(" . $this->_hex2RGB($this->settings['appearance']['foreground_colour']) . ", " . $this->settings['appearance']['foreground_opacity'] . "); }";
        }
        if ($this->settings['appearance']['text_colour']) {
            $css .= ".age-gate-form, .age-gate-form label, .age-gate-form h1, .age-gate-form h2, .age-gate-form p { color: {$this->settings['appearance']['text_colour']}; }";
        }

        if ($this->settings['advanced']['use_js']) {
            $css .= ".age-gate-error { display: none; }";
        }

        return $css;
    }

    private function _hex2RGB($colour)
    {
        if ($colour[0] == '#') {
            $colour = substr($colour, 1);
        }
        if (strlen($colour) == 6) {
            list($r, $g, $b) = array($colour[0] . $colour[1], $colour[2] . $colour[3], $colour[4] . $colour[5]);
        } elseif (strlen($colour) == 3) {
            list($r, $g, $b) = array($colour[0] . $colour[0], $colour[1] . $colour[1], $colour[2] . $colour[2]);
        } else {
            return false;
        }
        $r = hexdec($r);
        $g = hexdec($g);
        $b = hexdec($b);
        return implode(', ', array('red' => $r, 'green' => $g, 'blue' => $b));
    }

    public function change_page_title($title = array())
    {
        $this->is_restricted();
        if ($this->restricted && $this->settings['appearance']['switch_title'] && !$this->settings['advanced']['use_js']) {
            if (isset(self::$language) && self::$language->current['language_code'] !== self::$language->default['language_code']) {
                $text = $this->_get_translated_setting('appearance', 'custom_title', self::$language->current['language_code']);
            } else {
                $text = $this->settings['appearance']['custom_title'];
            }


            return array_merge($title, ['title' => sprintf($text, $this->meta->age), 'site' => get_bloginfo('name')]);
        }
        return $title;
    }

    /**
     * To filter the title when theme does not support title-tag
     * @param  [type] $title [description]
     * @return [type]        [description]
     */
    public function change_default_title($title, $sep, $location)
    {
        if (current_theme_supports('title-tag') || !$this->settings['appearance']['switch_title']) {
            return $title;
        }
        $this->is_restricted();
        if ($this->restricted && $this->settings['appearance']['switch_title'] && !$this->settings['advanced']['use_js']) {
            if (isset(self::$language) && self::$language->current['language_code'] !== self::$language->default['language_code']) {
                $text = $this->_get_translated_setting('appearance', 'custom_title', self::$language->current['language_code']);
            } else {
                $text = $this->settings['appearance']['custom_title'];
            }

            switch ($location) {
                case 'right':
                    $title = $text . ' ' . $sep;
                    break;
                default:
                    $title = $sep . ' ' . $text;
                    break;
            }
        }

        return $title;
    }

    /**
     * Get the title parts when Yoast is messing with it
     * @return mixed
     * @since 1.4.8
     */
    public function return_page_title($title)
    {
        $this->is_restricted();


        if ($this->restricted && $this->settings['appearance']['switch_title'] && !$this->_is_bot() && !$this->settings['advanced']['use_js']) {
            if (isset(self::$language) && self::$language->current['language_code'] !== self::$language->default['language_code']) {
                $text = $this->_get_translated_setting('appearance', 'custom_title', self::$language->current['language_code']);
            } else {
                $text = $this->settings['appearance']['custom_title'];
            }

            $sep = ' - ';
            $desc = sprintf($text, $this->meta->age);
            $name = get_bloginfo('name');
            return "{$desc} {$sep} {$name}";
        }

        return $title;
    }
}