<?php
// edit.php
// Mengedit atribut data jalan atau parsil tanah.
// Panjang, luas, dan geojson tidak diedit manual.

require_once "koneksi.php";

if ($_SERVER["REQUEST_METHOD"] !== "POST") {
    json_response([
        "success" => false,
        "message" => "Edit data hanya menerima method POST."
    ], 405);
}

$tipe = $_POST["tipe"] ?? "";
$id = $_POST["id"] ?? "";

if (!is_numeric($id) || (int) $id <= 0) {
    json_response([
        "success" => false,
        "message" => "ID tidak valid."
    ], 422);
}

$id = (int) $id;

if ($tipe === "jalan") {
    $nama_jalan = trim($_POST["nama_jalan"] ?? "");
    $status_jalan = $_POST["status_jalan"] ?? "";
    $status_valid = ["nasional", "provinsi", "kabupaten"];

    if ($nama_jalan === "") {
        json_response(["success" => false, "message" => "Nama jalan wajib diisi."], 422);
    }

    if (!in_array($status_jalan, $status_valid, true)) {
        json_response(["success" => false, "message" => "Status jalan tidak valid."], 422);
    }

    $stmt = $koneksi->prepare(
        "UPDATE jalan
         SET nama_jalan = ?, status_jalan = ?
         WHERE id = ?"
    );

    if (!$stmt) {
        json_response(["success" => false, "message" => "Prepare statement gagal: " . $koneksi->error], 500);
    }

    $stmt->bind_param("ssi", $nama_jalan, $status_jalan, $id);

    if (!$stmt->execute()) {
        json_response(["success" => false, "message" => "Gagal mengedit data jalan: " . $stmt->error], 500);
    }

    if ($stmt->affected_rows === 0) {
        // Bisa saja data sama persis, jadi tetap cek apakah ID ada.
        $cek = $koneksi->prepare("SELECT id FROM jalan WHERE id = ?");
        $cek->bind_param("i", $id);
        $cek->execute();
        $hasil = $cek->get_result();
        if ($hasil->num_rows === 0) {
            json_response(["success" => false, "message" => "Data jalan tidak ditemukan."], 404);
        }
        $cek->close();
    }

    $stmt->close();

    json_response([
        "success" => true,
        "message" => "Data jalan berhasil diedit."
    ]);
}

if ($tipe === "parsil") {
    $nama_parsil = trim($_POST["nama_parsil"] ?? "");
    $status_kepemilikan = $_POST["status_kepemilikan"] ?? "";
    $status_valid = ["SHM", "HGB", "HGU", "HP"];

    if ($nama_parsil === "") {
        json_response(["success" => false, "message" => "Nama parsil wajib diisi."], 422);
    }

    if (!in_array($status_kepemilikan, $status_valid, true)) {
        json_response(["success" => false, "message" => "Status kepemilikan tidak valid."], 422);
    }

    $stmt = $koneksi->prepare(
        "UPDATE parsil_tanah
         SET nama_parsil = ?, status_kepemilikan = ?
         WHERE id = ?"
    );

    if (!$stmt) {
        json_response(["success" => false, "message" => "Prepare statement gagal: " . $koneksi->error], 500);
    }

    $stmt->bind_param("ssi", $nama_parsil, $status_kepemilikan, $id);

    if (!$stmt->execute()) {
        json_response(["success" => false, "message" => "Gagal mengedit data parsil tanah: " . $stmt->error], 500);
    }

    if ($stmt->affected_rows === 0) {
        // Bisa saja data sama persis, jadi tetap cek apakah ID ada.
        $cek = $koneksi->prepare("SELECT id FROM parsil_tanah WHERE id = ?");
        $cek->bind_param("i", $id);
        $cek->execute();
        $hasil = $cek->get_result();
        if ($hasil->num_rows === 0) {
            json_response(["success" => false, "message" => "Data parsil tanah tidak ditemukan."], 404);
        }
        $cek->close();
    }

    $stmt->close();

    json_response([
        "success" => true,
        "message" => "Data parsil tanah berhasil diedit."
    ]);
}

json_response([
    "success" => false,
    "message" => "Tipe data tidak valid. Gunakan tipe=jalan atau tipe=parsil."
], 422);
?>