<?php
if ( ! defined( 'ABSPATH' ) ) exit;

class AccessIQ_Widget {

    private static $instance = null;
    private $s;

    public static function instance() {
        if ( null === self::$instance ) self::$instance = new self();
        return self::$instance;
    }

    private function __construct() {
        $this->s = AccessIQ_Settings::instance();
        add_action( 'wp_enqueue_scripts', [ $this, 'enqueue' ] );
        add_action( 'wp_footer',          [ $this, 'render' ] );
    }

    public function enqueue() {
        if ( ! $this->s->get( 'widget_enabled', true ) ) return;
        if ( ! $this->s->get( 'show_on_mobile', true ) && wp_is_mobile() ) return;

        wp_enqueue_style(  'accessiq-widget', ACCESSIQ_URL . 'public/css/widget.css', [], ACCESSIQ_VERSION );
        wp_enqueue_script( 'accessiq-widget', ACCESSIQ_URL . 'public/js/widget.js',   [], ACCESSIQ_VERSION, true );

        $config = array(
            'position'         => $this->s->get( 'widget_position', 'bottom-right' ),
            'color'            => $this->s->get( 'widget_color', '#1d4ed8' ),
            'features'         => $this->s->get( 'widget_features', array( 'font_size', 'contrast', 'dyslexia_font', 'keyboard_nav' ) ),
            'showOnMobile'     => $this->s->get( 'show_on_mobile', true ) ? true : false,
            'pluginUrl'        => ACCESSIQ_URL,
            'panel_width'      => $this->s->get( 'widget_panel_width', 'normal' ),
            'panel_height'     => $this->s->get( 'widget_panel_height', 'auto' ),
            'profiles_enabled' => (bool) $this->s->get( 'profiles_enabled', true ),
            'enabled_profiles' => (array) $this->s->get( 'enabled_profiles', array( 'vision', 'adhd', 'seizure', 'dyslexia', 'keyboard' ) ),
            'statement_url'    => ( function () {
                $aiq_sid = (int) get_option( 'accessiq_statement_page_id', 0 );
                return $aiq_sid ? get_permalink( $aiq_sid ) : '';
            } )(),
            'rtl'              => is_rtl(),
            'i18n'             => array(
                'openMenu'     => __( 'Open Accessibility Menu', 'accessiq' ),
                'closeMenu'    => __( 'Close', 'accessiq' ),
                'fontSize'     => __( 'Font Size', 'accessiq' ),
                'reset'        => __( 'Reset All', 'accessiq' ),
                'highContrast' => __( 'High Contrast', 'accessiq' ),
                'dyslexiaFriendly' => __( 'Dyslexia Friendly', 'accessiq' ),
                'keyboardAssist' => __( 'Keyboard Assist', 'accessiq' ),
                'screenReader' => __( 'Screen Reader', 'accessiq' ),
                'readingLine' => __( 'Reading Line', 'accessiq' ),
                'readingMask' => __( 'Reading Mask', 'accessiq' ),
                'stopAnimations' => __( 'Stop Animations', 'accessiq' ),
                'bigCursor' => __( 'Big Cursor', 'accessiq' ),
                'white' => __( 'White', 'accessiq' ),
                'black' => __( 'Black', 'accessiq' ),
                'teal' => __( 'Teal', 'accessiq' ),
                'red' => __( 'Red', 'accessiq' ),
                'highlightLinks' => __( 'Highlight Links', 'accessiq' ),
                'highlightTitles' => __( 'Highlight Titles', 'accessiq' ),
                'letterSpacing' => __( 'Letter Spacing', 'accessiq' ),
                'lineHeight' => __( 'Line Height', 'accessiq' ),
                'monochrome' => __( 'Monochrome', 'accessiq' ),
                'saturation' => __( 'Saturation', 'accessiq' ),
                'low' => __( 'Low', 'accessiq' ),
                'normal' => __( 'Normal', 'accessiq' ),
                'high' => __( 'High', 'accessiq' ),
                'wcagChecker' => __( 'WCAG Checker', 'accessiq' ),
                'visionImpaired' => __( 'Vision Impaired', 'accessiq' ),
                'adhdFriendly' => __( 'ADHD Friendly', 'accessiq' ),
                'seizureSafe' => __( 'Seizure Safe', 'accessiq' ),
                'dyslexia' => __( 'Dyslexia', 'accessiq' ),
                'keyboardOnly' => __( 'Keyboard Only', 'accessiq' ),
                'textReading' => __( 'Text & Reading', 'accessiq' ),
                'colorVision' => __( 'Color & Vision', 'accessiq' ),
                'motionNavigation' => __( 'Motion & Navigation', 'accessiq' ),
                'panelTitle' => __( 'Accessibility Suite', 'accessiq' ),
                'panelTheme' => __( 'Panel theme', 'accessiq' ),
                'themeDark' => __( 'Dark theme', 'accessiq' ),
                'themeLight' => __( 'Light theme', 'accessiq' ),
                'themeSystem' => __( 'System theme', 'accessiq' ),
                'saveSettings' => __( 'SAVE SETTINGS', 'accessiq' ),
                'statement' => __( 'Accessibility Statement', 'accessiq' ),
                'saved' => __( 'Saved', 'accessiq' ),
                'decrease' => __( 'Decrease', 'accessiq' ),
                'increase' => __( 'Increase', 'accessiq' ),
                'cursor' => __( 'cursor', 'accessiq' ),
                'cursorColor' => __( 'Cursor color', 'accessiq' ),
                'level' => __( 'level', 'accessiq' ),
                'wcagReportLabel' => __( 'WCAG Accessibility Report', 'accessiq' ),
                'wcagReport' => __( 'WCAG Report', 'accessiq' ),
                'closeReport' => __( 'Close report', 'accessiq' ),
                'issuesFound' => __( 'issue(s) found on this page.', 'accessiq' ),
                'noIssues' => __( 'No issues found!', 'accessiq' ),
                'issueAlt' => __( 'Missing alt attribute', 'accessiq' ),
                'issueLink' => __( 'Empty link without aria-label', 'accessiq' ),
                'issueLabel' => __( 'Form input missing label', 'accessiq' ),
            ),
        );

        /**
         * Filter frontend widget config (Pro white-label uses this).
         *
         * @param array $config Localized widget settings.
         */
        $config = apply_filters( 'accessiq_widget_config', $config );

        // Pro may set brandColor; keep color in sync for the free widget JS.
        if ( ! empty( $config['brandColor'] ) ) {
            $config['color'] = $config['brandColor'];
        }

        wp_localize_script( 'accessiq-widget', 'accessiqWidget', $config );
    }

    public function render() {
        if ( ! $this->s->get( 'widget_enabled', true ) ) return;
        echo '<div id="accessiq-widget-root" role="complementary" aria-label="' . esc_attr__( 'Accessibility Options', 'accessiq' ) . '"></div>';
    }
}