import { createSessionClient } from './appwrite.server';

export interface UserPreferences {
  hiddenColumns?: Record<string, string[]>; // entidad -> lista de nombres de campos ocultos
  sortConfig?: Record<string, { field: string, direction: 'asc' | 'desc' }>;
}

/**
 * Obtiene las preferencias persistidas del usuario desde Appwrite Account Prefs
 */
export async function getUserPreferences(): Promise<UserPreferences> {
    try {
        const PROJECT_ID = process.env.NEXT_PUBLIC_APPWRITE_PROJECT_ID || '69b84df5003bd8957c5c';
        const { cookies } = await import('next/headers');
        const cookieStore = await cookies();
        const sessionCookie = cookieStore.get(`a_session_${PROJECT_ID.toLowerCase()}`);
        
        // En modo bypass no hay preferencias persistidas reales que valga la pena pedir a account.get()
        if (sessionCookie?.value === "admin-bypass-session") {
            return {};
        }

        const sessionClient = await createSessionClient();
        if (!sessionClient) return {};
        
        const account = await sessionClient.account.get();
        return (account.prefs as UserPreferences) || {};
    } catch (error) {
        console.error('Error fetching user prefs:', error);
        return {};
    }
}

/**
 * Actualiza una preferencia específica del usuario
 */
export async function updateUserPreference(update: Partial<UserPreferences>): Promise<boolean> {
    try {
        const sessionClient = await createSessionClient();
        if (!sessionClient) return false;

        const currentPrefs = await getUserPreferences();
        const newPrefs = { ...currentPrefs, ...update };

        await sessionClient.account.updatePrefs(newPrefs);
        return true;
    } catch (error) {
        console.error('Error updating user prefs:', error);
        return false;
    }
}