<?php
require_once __DIR__ . '/../helpers.php';
runAuth();

global $userId;

if ($userId <= 0) {
    apiAbort(['OK' => false, 'ERROR' => 'unauthorized', 'MESSAGE' => 'Authentication required']);
}

try {
    $data = readJsonBody();
    $addressId = (int) ($data['AddressID'] ?? 0);

    if ($addressId <= 0) {
        apiAbort(['OK' => false, 'ERROR' => 'missing_field', 'MESSAGE' => 'AddressID is required']);
    }

    $qCheck = queryOne("SELECT ID FROM Addresses WHERE ID = ? AND UserID = ? AND IsDeleted = 0",
        [$addressId, $userId]);

    if (!$qCheck) {
        apiAbort(['OK' => false, 'ERROR' => 'not_found', 'MESSAGE' => 'Address not found']);
    }

    // Clear all defaults
    queryTimed("
        UPDATE Addresses SET IsDefaultDelivery = 0
        WHERE UserID = ? AND (BusinessID = 0 OR BusinessID IS NULL) AND AddressTypeID = 2
    ", [$userId]);

    // Set this one
    queryTimed("UPDATE Addresses SET IsDefaultDelivery = 1 WHERE ID = ?", [$addressId]);

    jsonResponse(['OK' => true, 'MESSAGE' => 'Default address updated']);

} catch (Exception $e) {
    jsonResponse(['OK' => false, 'ERROR' => 'server_error', 'MESSAGE' => $e->getMessage()]);
}