<?php
/**
 * @package AccessMate
 * @license GPL-2.0-or-later
 */
defined( 'ABSPATH' ) || exit;

class AccessMate_Widget_Injector {

    public static function inject(): void {
        if ( is_admin() ) return;

        $config = get_option( 'accessmate_widget_config', self::defaults() );

        if ( ! ( $config['enabled'] ?? true ) ) return;

        // Sanitise config fields before output.
        $safe_config = [
            'enabled'         => (bool)  ( $config['enabled']  ?? true ),
            'color'           => sanitize_hex_color( $config['color']    ?? '#7c6aff' ) ?? '#7c6aff',
            'position'        => in_array( $config['position'] ?? '', [ 'top-left', 'top-right', 'bottom-left', 'bottom-right' ], true )
                                 ? $config['position']
                                 : 'bottom-right',
            'features'        => array_map( 'sanitize_text_field', (array) ( $config['features'] ?? [] ) ),
            'hide_powered_by' => (bool) ( $config['hide_powered_by'] ?? true ),
        ];

        if ( in_array( 'dyslexia', $safe_config['features'], true ) ) {
            wp_enqueue_style(
                'accessmate-dyslexia-font',
                ACCESSMATE_URL . 'assets/fonts/opendyslexic/opendyslexic.css',
                [],
                ACCESSMATE_VERSION
            );
        }

        wp_register_script( 'accessmate-widget', ACCESSMATE_URL . 'assets/widget.js', [], ACCESSMATE_VERSION, true );
        wp_add_inline_script( 'accessmate-widget', 'window.accessmateWidgetConfig=' . wp_json_encode( $safe_config ) . ';', 'before' );
        wp_enqueue_script( 'accessmate-widget' );
    }

    public static function defaults(): array {
        return [
            'enabled'  => true,
            'color'    => '#7c6aff',
            'position' => 'bottom-right',
            'features' => [ 'font', 'contrast', 'dyslexia', 'reading-guide', 'animations', 'line-height' ],
        ];
    }
}