<?php
/**
 * Frontend admin settings snapshot.
 *
 * This file is safe to load on the public site: it only defines helper functions
 * and does not render any admin UI.
 *
 * @package A11yBridge
 */

if ( ! defined( 'ABSPATH' ) ) { exit; }

if ( ! function_exists( 'a11ybridge_get_frontend_admin_snapshot' ) ) {
    function a11ybridge_get_frontend_admin_snapshot(): array {
        $raw = get_option('a11ybridge_plugin_general_settings', []);
        $snapshot = [];

        if (!is_array($raw)) {
            return $snapshot;
        }
        if (!array_key_exists('show_toolbar', $raw)) {
            $snapshot['show_toolbar'] = ['enabled' => true, 'default' => null];
        }


        foreach ($raw as $flag_id => $value) {
            if (is_array($value)) {
                $enabled = isset($value['enabled']) ? (bool) $value['enabled'] : false;
                $default = array_key_exists('default', $value) ? $value['default'] : null;
            } else {
                // Altbestand: nur bool / 0/1 etc.
                $enabled = (bool) $value;
                $default = null;
            }

            $snapshot[$flag_id] = [
                'enabled' => $enabled,
                'default' => $default,
            ];
        }

        // === AI / Simplification / Voice Defaults ===
        $ai_settings   = get_option('a11ybridge_ai_settings', []);
        $simpl_settings = get_option('a11ybridge_simplification_settings', []);
        $voice_config  = get_option('a11ybridge_voice_config', []);

        // 1) Textvereinfachung (Simple Language)
        $snapshot['simpleLanguageEnabled'] = [
            'enabled' => !empty($simpl_settings['enable_text_simplification']),
            'source'  => 'admin',
        ];

        $snapshot['simplificationLevel'] = [
            'value'  => a11ybridge_catalog_canonical(
                'textSimplification.level',
                !empty($simpl_settings['default_level']) ? (string)$simpl_settings['default_level'] : 'basic',
                'basic'
            ),
            'source' => 'admin',
        ];

        $snapshot['simplificationTargetLanguage'] = [
            'value'  => a11ybridge_catalog_canonical(
                'textSimplification.targetLanguage',
                !empty($simpl_settings['target_language']) ? (string)$simpl_settings['target_language'] : 'original',
                'original'
            ),
            'source' => 'admin',
        ];

        // 2) AI Alt-Text
        $snapshot['altTextEnabled'] = [
            'enabled' => !empty($ai_settings['enable_ai_image_description']),
            'source'  => 'admin',
        ];

        $snapshot['altTextDescriptionLevel'] = [
            'value'  => !empty($ai_settings['description_level'])
                ? $ai_settings['description_level']
                : 'brief',
            'source' => 'admin',
        ];

        $snapshot['altTextTargetLanguage'] = [
            'value'  => !empty($ai_settings['target_language'])
                ? $ai_settings['target_language']
                : 'original',
            'source' => 'admin',
        ];

        $snapshot['simpleLanguageConsentRequired'] = [
            'default' => array_key_exists('consent_required', $simpl_settings) ? !empty($simpl_settings['consent_required']) : true,
            'source'  => 'admin',
        ];

        $snapshot['simpleLanguageConsentTtlHours'] = [
            'default' => isset($simpl_settings['consent_ttl_hours']) ? max(0, (int)$simpl_settings['consent_ttl_hours']) : 0,
            'source'  => 'admin',
        ];
        // (WP.org build) Voice snapshot excluded from MVP.


        return $snapshot;
    }
}