<?php
// ── UPDATE SPBU ───────────────────────────────────────────────────────────────
require_once __DIR__ . '/config.php';

header('Content-Type: application/json');
header('Access-Control-Allow-Origin: *');
header('Access-Control-Allow-Methods: POST, PUT, OPTIONS');
header('Access-Control-Allow-Headers: Content-Type');

if ($_SERVER['REQUEST_METHOD'] === 'OPTIONS') {
    http_response_code(200);
    exit();
}

$method = $_SERVER['REQUEST_METHOD'];
if ($method !== 'POST' && $method !== 'PUT') {
    http_response_code(405);
    echo json_encode(['success' => false, 'message' => 'Method not allowed']);
    exit();
}

// ── BACA JSON BODY ─────────────────────────────────────────────────────────────
$body = file_get_contents('php://input');
$data = json_decode($body, true);

if (!$data) {
    http_response_code(400);
    echo json_encode(['success' => false, 'message' => 'Data tidak valid (JSON parse error)']);
    exit();
}

// ── VALIDASI ──────────────────────────────────────────────────────────────────
$id         = intval($data['id'] ?? 0);
$nama_spbu  = trim($data['nama_spbu']  ?? '');
$nomor_spbu = trim($data['nomor_spbu'] ?? '');
$status     = trim($data['status']     ?? '');
$latitude   = floatval($data['latitude']  ?? 0);
$longitude  = floatval($data['longitude'] ?? 0);

$valid_status = ['Buka 24 Jam', 'Tidak Buka 24 Jam'];

if ($id <= 0)                          { echo json_encode(['success' => false, 'message' => 'ID tidak valid']); exit(); }
if (empty($nama_spbu))                 { echo json_encode(['success' => false, 'message' => 'Nama SPBU tidak boleh kosong']); exit(); }
if (empty($nomor_spbu))                { echo json_encode(['success' => false, 'message' => 'Nomor SPBU tidak boleh kosong']); exit(); }
if (!in_array($status, $valid_status)) { echo json_encode(['success' => false, 'message' => 'Status tidak valid']); exit(); }
if ($latitude === 0.0 && $longitude === 0.0) { echo json_encode(['success' => false, 'message' => 'Koordinat tidak valid']); exit(); }

// ── UPDATE DATA ───────────────────────────────────────────────────────────────
try {
    $stmt = $pdo->prepare("
        UPDATE spbu
        SET nama_spbu  = :nama_spbu,
            nomor_spbu = :nomor_spbu,
            status     = :status,
            latitude   = :latitude,
            longitude  = :longitude
        WHERE id = :id
    ");

    $stmt->execute([
        ':id'         => $id,
        ':nama_spbu'  => $nama_spbu,
        ':nomor_spbu' => $nomor_spbu,
        ':status'     => $status,
        ':latitude'   => $latitude,
        ':longitude'  => $longitude,
    ]);

    if ($stmt->rowCount() === 0) {
        http_response_code(404);
        echo json_encode(['success' => false, 'message' => 'Data tidak ditemukan atau tidak ada perubahan']);
    } else {
        echo json_encode(['success' => true, 'message' => 'Data SPBU berhasil diperbarui']);
    }

} catch (PDOException $e) {
    http_response_code(500);
    echo json_encode(['success' => false, 'message' => 'Gagal memperbarui data: ' . $e->getMessage()]);
}