<?php
session_start();
require_once('../config/koneksi.php'); // file koneksi ke database

if ($_SERVER['REQUEST_METHOD'] === 'POST') {

    // Ambil data dari form
    $username = mysqli_real_escape_string($conn, $_POST['extplayer']);
    $amount = intval(str_replace('.', '', $_POST['amount'])); // hapus titik (format rupiah)

    // Validasi input
    if (empty($username) || $amount <= 0) {
        die("Input tidak valid.");
    }

    // Ambil ID user dari database
    $query_user = mysqli_query($conn, "SELECT cuid FROM tb_users WHERE username='$username' LIMIT 1");
    $user = mysqli_fetch_assoc($query_user);
    $userID = $user ? $user['cuid'] : 0;

    // Buat kode unik
    $kode_unik = rand(100, 999);
    $total_deposit = $amount + $kode_unik;

    // Tentukan metode pembayaran QRIS secara eksplisit
    $payment_method = "QRIS";
    $payment_note = "Menunggu pembayaran via QRIS";

    // ==============================
    // 🔹 UPLOAD BUKTI TRANSFER
    // ==============================
    $bukti_file = null;
    if (isset($_FILES['bukti_transfer']) && $_FILES['bukti_transfer']['error'] == 0) {
        $target_dir = "../upload/bukti/";
        if (!is_dir($target_dir)) {
            mkdir($target_dir, 0777, true);
        }

        $allowed_ext = ['jpg', 'jpeg', 'png', 'gif', 'webp'];
        $file_name = $_FILES['bukti_transfer']['name'];
        $file_tmp  = $_FILES['bukti_transfer']['tmp_name'];
        $file_size = $_FILES['bukti_transfer']['size'];
        $file_ext  = strtolower(pathinfo($file_name, PATHINFO_EXTENSION));

        if (!in_array($file_ext, $allowed_ext)) {
            die("Format file tidak didukung. Gunakan JPG, PNG, GIF, atau WEBP.");
        }

        if ($file_size > 5 * 1024 * 1024) {
            die("Ukuran file terlalu besar. Maksimal 5MB.");
        }

        $new_name = time() . "_" . uniqid() . "." . $file_ext;
        $target_file = $target_dir . $new_name;

        if (move_uploaded_file($file_tmp, $target_file)) {
            $bukti_file = $new_name;
        } else {
            die("Gagal mengunggah bukti transfer.");
        }
    }

    // ==============================
    // 🔹 SIMPAN DATA KE DATABASE
    // ==============================
    // Tambahkan nama file bukti ke kolom catatan biar terbaca di request_depo.php
    $payment_note_final = $payment_note;
    if (!empty($bukti_file)) {
        $payment_note_final = $bukti_file; 
    }

    $insert = mysqli_query($conn, "
        INSERT INTO tb_deposit 
        (userID, username, nominal, metode, status, tgl, catatan)
        VALUES 
        ('$userID', '$username', '$total_deposit', '$payment_method', 'Pending', NOW(), '$payment_note_final')
    ");

    if ($insert) {
        // Simpan ke session agar halaman pembayaran bisa tampilkan data
        $_SESSION['username'] = $username;
        $_SESSION['amount'] = $amount;
        $_SESSION['kode_unik'] = $kode_unik;
        $_SESSION['total_deposit'] = $total_deposit;
        $_SESSION['payment_method'] = $payment_method; // simpan payment method QRIS
        $_SESSION['payment_note'] = $payment_note_final; // simpan nama file bukti jika ada

        // Redirect ke halaman history
        header('Location: ../m/history.php');
        exit;
    } else {
        echo "Gagal menyimpan data deposit: " . mysqli_error($conn);
    }
}
?>