<?php
/**
 * tambah.php
 * Menangani tambah data SPBU, polyline, dan polygon.
 * Menerima POST dengan parameter 'tipe' untuk membedakan jenis data.
 */

header('Content-Type: application/json');

// Hanya terima method POST
if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
    http_response_code(405);
    echo json_encode(['status' => 'error', 'message' => 'Method tidak diizinkan.']);
    exit;
}

require_once 'koneksi.php';

$tipe = isset($_POST['tipe']) ? trim($_POST['tipe']) : '';

// ─── TAMBAH SPBU ────────────────────────────────────────────────────────────
if ($tipe === 'spbu') {
    $nama_spbu          = isset($_POST['nama_spbu'])          ? trim($_POST['nama_spbu'])          : '';
    $status_ramai       = isset($_POST['status_ramai'])       ? trim($_POST['status_ramai'])       : '';
    $buka_24_jam        = isset($_POST['buka_24_jam'])        ? trim($_POST['buka_24_jam'])        : '';
    $status_operasional = isset($_POST['status_operasional']) ? trim($_POST['status_operasional']) : '';
    $nomor_hp           = isset($_POST['nomor_hp'])           ? trim($_POST['nomor_hp'])           : '';
    $latitude           = isset($_POST['latitude'])           ? floatval($_POST['latitude'])       : null;
    $longitude          = isset($_POST['longitude'])          ? floatval($_POST['longitude'])      : null;

    // Validasi server-side
    if (empty($nama_spbu) || empty($status_ramai) || empty($buka_24_jam) || empty($status_operasional) || $latitude === null || $longitude === null) {
        echo json_encode(['status' => 'error', 'message' => 'Data tidak lengkap.']);
        exit;
    }

    $valid_ramai = ['ramai', 'tidak_ramai'];
    $valid_24    = ['ya', 'tidak'];
    $valid_ops   = ['buka', 'tutup'];

    if (!in_array($status_ramai, $valid_ramai) || !in_array($buka_24_jam, $valid_24) || !in_array($status_operasional, $valid_ops)) {
        echo json_encode(['status' => 'error', 'message' => 'Nilai enum tidak valid.']);
        exit;
    }

    $stmt = $koneksi->prepare(
        "INSERT INTO spbu (nama_spbu, status_ramai, buka_24_jam, status_operasional, nomor_hp, latitude, longitude)
         VALUES (?, ?, ?, ?, ?, ?, ?)"
    );
    $stmt->bind_param('sssssdd', $nama_spbu, $status_ramai, $buka_24_jam, $status_operasional, $nomor_hp, $latitude, $longitude);

    if ($stmt->execute()) {
        $id = $koneksi->insert_id;
        echo json_encode([
            'status'  => 'success',
            'message' => 'SPBU berhasil ditambahkan.',
            'id'      => $id,
            'data'    => [
                'id'                 => $id,
                'nama_spbu'          => $nama_spbu,
                'status_ramai'       => $status_ramai,
                'buka_24_jam'        => $buka_24_jam,
                'status_operasional' => $status_operasional,
                'nomor_hp'           => $nomor_hp,
                'latitude'           => $latitude,
                'longitude'          => $longitude,
            ]
        ]);
    } else {
        echo json_encode(['status' => 'error', 'message' => 'Gagal menyimpan SPBU: ' . $stmt->error]);
    }
    $stmt->close();

// ─── TAMBAH POLYLINE ─────────────────────────────────────────────────────────
} elseif ($tipe === 'polyline') {
    $nama_line  = isset($_POST['nama_line'])  ? trim($_POST['nama_line'])  : '';
    $keterangan = isset($_POST['keterangan']) ? trim($_POST['keterangan']) : '';
    $warna      = isset($_POST['warna'])      ? trim($_POST['warna'])      : '#3b82f6';
    $koordinat  = isset($_POST['koordinat'])  ? trim($_POST['koordinat'])  : '';

    if (empty($nama_line) || empty($koordinat)) {
        echo json_encode(['status' => 'error', 'message' => 'Nama line dan koordinat wajib diisi.']);
        exit;
    }

    // Validasi JSON koordinat
    $decoded = json_decode($koordinat, true);
    if (json_last_error() !== JSON_ERROR_NONE || !is_array($decoded)) {
        echo json_encode(['status' => 'error', 'message' => 'Format koordinat tidak valid.']);
        exit;
    }

    $stmt = $koneksi->prepare(
        "INSERT INTO polyline (nama_line, keterangan, warna, koordinat) VALUES (?, ?, ?, ?)"
    );
    $stmt->bind_param('ssss', $nama_line, $keterangan, $warna, $koordinat);

    if ($stmt->execute()) {
        $id = $koneksi->insert_id;
        echo json_encode([
            'status'  => 'success',
            'message' => 'Polyline berhasil ditambahkan.',
            'id'      => $id,
            'data'    => [
                'id'         => $id,
                'nama_line'  => $nama_line,
                'keterangan' => $keterangan,
                'warna'      => $warna,
                'koordinat'  => $koordinat,
            ]
        ]);
    } else {
        echo json_encode(['status' => 'error', 'message' => 'Gagal menyimpan polyline: ' . $stmt->error]);
    }
    $stmt->close();

// ─── TAMBAH POLYGON ──────────────────────────────────────────────────────────
} elseif ($tipe === 'polygon') {
    $nama_polygon = isset($_POST['nama_polygon']) ? trim($_POST['nama_polygon']) : '';
    $keterangan   = isset($_POST['keterangan'])   ? trim($_POST['keterangan'])   : '';
    $warna        = isset($_POST['warna'])         ? trim($_POST['warna'])        : '#22c55e';
    $koordinat    = isset($_POST['koordinat'])     ? trim($_POST['koordinat'])    : '';

    if (empty($nama_polygon) || empty($koordinat)) {
        echo json_encode(['status' => 'error', 'message' => 'Nama polygon dan koordinat wajib diisi.']);
        exit;
    }

    $decoded = json_decode($koordinat, true);
    if (json_last_error() !== JSON_ERROR_NONE || !is_array($decoded)) {
        echo json_encode(['status' => 'error', 'message' => 'Format koordinat tidak valid.']);
        exit;
    }

    $stmt = $koneksi->prepare(
        "INSERT INTO polygon (nama_polygon, keterangan, warna, koordinat) VALUES (?, ?, ?, ?)"
    );
    $stmt->bind_param('ssss', $nama_polygon, $keterangan, $warna, $koordinat);

    if ($stmt->execute()) {
        $id = $koneksi->insert_id;
        echo json_encode([
            'status'  => 'success',
            'message' => 'Polygon berhasil ditambahkan.',
            'id'      => $id,
            'data'    => [
                'id'           => $id,
                'nama_polygon' => $nama_polygon,
                'keterangan'   => $keterangan,
                'warna'        => $warna,
                'koordinat'    => $koordinat,
            ]
        ]);
    } else {
        echo json_encode(['status' => 'error', 'message' => 'Gagal menyimpan polygon: ' . $stmt->error]);
    }
    $stmt->close();

} else {
    echo json_encode(['status' => 'error', 'message' => 'Tipe tidak dikenali.']);
}

$koneksi->close();