<?php
// api/jalan.php  — CRUD untuk data Jalan (Polyline)
require_once 'config.php';

$db     = getDB();
$method = $_SERVER['REQUEST_METHOD'];
$id     = isset($_GET['id']) ? (int)$_GET['id'] : 0;

switch ($method) {

    case 'GET':
        if ($id) {
            $stmt = $db->prepare("SELECT * FROM jalan WHERE id = ?");
            $stmt->bind_param('i', $id);
            $stmt->execute();
            $row = $stmt->get_result()->fetch_assoc();
            echo json_encode($row ?: ['error' => 'Data tidak ditemukan']);
        } else {
            $res  = $db->query("SELECT * FROM jalan ORDER BY id DESC");
            $rows = [];
            while ($r = $res->fetch_assoc()) $rows[] = $r;
            echo json_encode($rows);
        }
        break;

    case 'POST':
        $body = json_decode(file_get_contents('php://input'), true);
        $stmt = $db->prepare(
            "INSERT INTO jalan (nama_jalan, status_jalan, panjang_m, geojson)
             VALUES (?, ?, ?, ?)"
        );
        $stmt->bind_param(
            'ssds',
            $body['nama_jalan'], $body['status_jalan'],
            $body['panjang_m'],  $body['geojson']
        );
        if ($stmt->execute()) {
            echo json_encode(['success' => true, 'id' => $db->insert_id]);
        } else {
            http_response_code(500);
            echo json_encode(['error' => $db->error]);
        }
        break;

    case 'PUT':
        $body = json_decode(file_get_contents('php://input'), true);
        $stmt = $db->prepare(
            "UPDATE jalan SET nama_jalan=?, status_jalan=?, panjang_m=?, geojson=?
             WHERE id=?"
        );
        $stmt->bind_param(
            'ssdsi',
            $body['nama_jalan'], $body['status_jalan'],
            $body['panjang_m'],  $body['geojson'],
            $body['id']
        );
        if ($stmt->execute()) {
            echo json_encode(['success' => true]);
        } else {
            http_response_code(500);
            echo json_encode(['error' => $db->error]);
        }
        break;

    case 'DELETE':
        $stmt = $db->prepare("DELETE FROM jalan WHERE id=?");
        $stmt->bind_param('i', $id);
        if ($stmt->execute()) {
            echo json_encode(['success' => true]);
        } else {
            http_response_code(500);
            echo json_encode(['error' => $db->error]);
        }
        break;

    default:
        http_response_code(405);
        echo json_encode(['error' => 'Method tidak diizinkan']);
}
$db->close();