<?php
include "koneksi.php";
header('Content-Type: application/json');

if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
    echo json_encode(["status" => "error", "message" => "Method tidak diizinkan"]);
    exit;
}

$id = isset($_POST['id_occupant']) ? $_POST['id_occupant'] : '';
if (empty($id) || !is_numeric($id)) {
    echo json_encode(["status" => "error", "message" => "ID tidak valid"]);
    exit;
}

$name     = isset($_POST['name']) ? trim($_POST['name']) : '';
$nik_nip  = isset($_POST['nik_nip']) ? trim($_POST['nik_nip']) : '';
$no_hp = isset($_POST['no_hp']) ? trim($_POST['no_hp']) : '';

if (empty($name) || empty($no_hp)) {
    echo json_encode(["status" => "error", "message" => "Nama dan Username wajib diisi"]);
    exit;
}

// Cek no_hp unik (selain diri sendiri)
$cek = $pdo->prepare("SELECT COUNT(*) FROM occupant WHERE no_hp = ? AND id_occupant != ?");
$cek->execute([$no_hp, $id]);
if ($cek->fetchColumn() > 0) {
    echo json_encode(["status" => "error", "message" => "Nomor Handphone sudah digunakan"]);
    exit;
}

try {
    $stmt = $pdo->prepare("UPDATE occupant SET name = ?, nik_nip = ?, no_hp = ? WHERE id_occupant = ?");
    $stmt->execute([$name, $nik_nip, $no_hp, $id]);

    echo json_encode(["status" => "success"]);

} catch (PDOException $e) {
    echo json_encode(["status" => "error", "message" => "Gagal mengupdate: " . $e->getMessage()]);
}
?>