<?php

if (!function_exists('userSetting')) {
    /**
     * Ottiene un'impostazione utente
     * 
     * @param string $key
     * @param mixed $default
     * @return mixed
     */
    function userSetting($key, $default = null)
    {
        if (!auth()->check()) {
            return $default;
        }
        
        $user = auth()->user();
        $decodeIfNeeded = function ($val) use ($default) {
            // Mirror model logic: if caller passes array/object default, attempt JSON decode
            if (is_array($default) || is_object($default)) {
                if (is_string($val) && $val !== '') {
                    $decoded = json_decode($val, true);
                    if (json_last_error() === JSON_ERROR_NONE) {
                        return $decoded;
                    }
                }
                return is_array($val) ? $val : $default;
            }
            // Best-effort decode when default is null and value looks like JSON
            if ($default === null && is_string($val) && $val !== '') {
                $first = $val[0];
                if ($first === '{' || $first === '[') {
                    $decoded = json_decode($val, true);
                    if (json_last_error() === JSON_ERROR_NONE) {
                        return $decoded;
                    }
                }
            }
            return $val;
        };
        
        // Se l'utente ha un campo settings
        if (isset($user->settings) && is_array($user->settings)) {
            $val = $user->settings[$key] ?? $default;
            return $decodeIfNeeded($val);
        }
        
        // Se l'utente ha una relazione settings
        if (method_exists($user, 'settings')) {
            $setting = $user->settings()->where('key', $key)->first();
            if (!$setting) { return $default; }
            return $decodeIfNeeded($setting->value);
        }
        
        return $default;
    }
}

if (!function_exists('setUserSetting')) {
    /**
     * Imposta un'impostazione utente
     * 
     * @param string $key
     * @param mixed $value
     * @return bool
     */
    function setUserSetting($key, $value)
    {
        if (!auth()->check()) {
            return false;
        }
        
        $user = auth()->user();
        // Normalize structured values to JSON for storage
        if (is_array($value) || is_object($value)) {
            $stored = json_encode($value, JSON_UNESCAPED_UNICODE);
        } elseif (is_bool($value)) {
            $stored = $value ? 'true' : 'false';
        } elseif (is_null($value)) {
            $stored = null;
        } else {
            $stored = (string) $value;
        }
        
        // Se l'utente ha un campo settings
        if (isset($user->settings)) {
            $settings = is_array($user->settings) ? $user->settings : [];
            $settings[$key] = $stored;
            $user->settings = $settings;
            return $user->save();
        }
        
        // Se l'utente ha una relazione settings
        if (method_exists($user, 'settings')) {
            return $user->settings()->updateOrCreate(
                ['key' => $key],
                ['value' => $stored]
            );
        }
        
        return false;
    }
}