<?php

namespace App\Http\Controllers\User;

use App\Http\Controllers\Controller;
use App\Models\Additional;
use App\Models\BookingFoto;
use App\Models\DetailAdditional;
use App\Models\PaketFoto;
use App\Models\Pelanggan;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Str;

class BookingFotoController extends Controller
{
    public function index()
    {
        $foto = PaketFoto::latest()->get();

        return view('user/booking-foto', compact('foto'));
    }
    public function detail($id)
    {
        $foto = PaketFoto::findOrFail($id);

        // Jika add-ons disimpan di DB, ambil juga:
        $additionals = Additional::all();
        // Logika Tanggal
        $start = \Carbon\Carbon::now(); // Mulai hari ini
        $end = \Carbon\Carbon::now()->addMonth(); // Maksimal 1 bulan ke depan
        // Untuk navigasi panah
        $prevMonth = $start->copy()->subMonth();
        $nextMonth = $start->copy()->addMonth();

        $currentMonthLabel = $start->format('F Y');
        return view('user.detail-foto', compact('foto', 'additionals', 'start', 'end', 'currentMonthLabel', 'prevMonth', 'nextMonth'));
    }
    public function loadCalendar(Request $request)
    {
        // Ambil bulan & tahun dari request AJAX, atau default sekarang
        $month = $request->month ?? date('m');
        $year = $request->year ?? date('Y');

        $start = \Carbon\Carbon::createFromDate($year, $month, 1);

        // Data Navigasi
        $prevMonth = $start->copy()->subMonth();
        $nextMonth = $start->copy()->addMonth();
        $currentMonthLabel = $start->format('F Y');

        // Return hanya potongan HTML (Partial), bukan halaman full
        $html = view('user.components.calendar-grid', compact(
            'start',
            'prevMonth',
            'nextMonth',
            'currentMonthLabel'
        ))->render();

        // Return JSON agar JavaScript bisa membacanya sebagai data.html
        return response()->json(['html' => $html]);
    }
    public function cekSlot(Request $request)
    {
        // Cari booking yang statusnya valid (bukan dibatalkan/ditolak)
        // Sesuaikan status dengan logic bisnis kamu
        $booked = BookingFoto::where('tgl_booking', $request->tanggal)
            ->whereIn('status_booking', ['menunggu_verifikasi', 'diterima', 'selesai'])
            ->get(['jam_mulai']);

        return response()->json($booked);
    }
    public function formulir(Request $request)
    {
        // 1. Ambil Data Paket
        $foto = PaketFoto::findOrFail($request->id_paket);

        // 2. Hitung Total Add-ons (Jika ada)
        $addonsDetails = [];
        $totalAddon = 0;

        if ($request->has('addons')) {
            foreach ($request->addons as $id => $qty) {
                if ($qty > 0) {
                    $add = Additional::find($id);
                    $subtotal = $add->harga * $qty;
                    $totalAddon += $subtotal;

                    $addonsDetails[] = [
                        'nama' => $add->nama,
                        'qty' => $qty,
                        'subtotal' => $subtotal,
                        'id' => $id // Simpan ID untuk dikirim lagi nanti
                    ];
                }
            }
        }

        // 3. Hitung Grand Total
        $grandTotal = $foto->harga + $totalAddon;
        // 1. Cek apakah sudah ada deadline di session? Kalau belum, buat baru (2 jam dari sekarang)
        if (!session()->has('payment_deadline')) {
            $deadline = now()->addHours(2);
            session()->put('payment_deadline', $deadline);
        } else {
            $deadline = session('payment_deadline');
        }

        // 2. Hitung sisa waktu dalam detik
        $sisaWaktu = now()->diffInSeconds($deadline, false); // false = biar bisa negatif kalau lewat

        // 3. Jika waktu habis (negatif), hapus session dan tendang user
        if ($sisaWaktu <= 0) {
            session()->forget(['payment_deadline', 'addons']); // Bersihkan session
            return redirect()->route('booking.foto')->with('error', 'Waktu pembayaran telah habis. Silakan ulang pemesanan.');
        }
        // 4. Kirim semua data ke View Pembayaran untuk ditampilkan
        return view('user.pembayaran-foto', compact(
            'foto',
            'request', // Kirim request agar tgl & jam bisa diakses di blade
            'addonsDetails',
            'grandTotal',
            'sisaWaktu'
        ));
    }
    public function cancelBooking()
    {
        session()->forget(['payment_deadline', 'addons']); // Hapus session timer & data
        return redirect()->route('booking.foto'); // Kembali ke katalog utama
    }
    public function store(Request $request)
    {

        // 1. Validasi Input
        $request->validate([
            'id_paket'    => 'required|exists:paket_fotos,id_paket',
            'tgl_booking' => 'required|date|after_or_equal:today',
            'jam_mulai'   => 'required',
            'nama'        => 'required|string|max:255',
            'no_wa'       => 'required|numeric',
            'bukti_bayar' => 'required|image|mimes:jpeg,png,jpg|max:2048',
        ]);

        DB::beginTransaction(); // Mulai Transaksi Database

        try {
            // 2. Ambil Data Paket & Hitung Waktu
            $paket = PaketFoto::findOrFail($request->id_paket);

            // Asumsi durasi default 20 menit (atau ambil dari database jika ada kolom durasi)
            $durasiMenit = $paket->durasi;
            $jamMulai = \Carbon\Carbon::createFromFormat('H:i', $request->jam_mulai);
            $jamSelesai = $jamMulai->copy()->addMinutes($durasiMenit);

            // 3. Cek Slot Sekali Lagi (Mencegah Race Condition)
            $isTaken = BookingFoto::where('tgl_booking', $request->tgl_booking)
                ->where('jam_mulai', $request->jam_mulai)
                ->whereIn('status_booking', ['menunggu_verifikasi', 'diterima', 'selesai'])
                ->exists();

            if ($isTaken) {
                return back()->with('error', 'Mohon maaf, slot waktu ini baru saja diambil orang lain.');
            }

            // 4. Simpan/Update Data Pelanggan
            $pelanggan = Pelanggan::firstOrCreate(
                ['no_wa' => $request->no_wa],
                ['nama' => $request->nama]
            );

            // 5. Upload Bukti Bayar
            $pathBukti = null;
            if ($request->hasFile('bukti_bayar')) {
                $file = $request->file('bukti_bayar');
                $namaFile = 'bukti_' . time() . '_' . Str::random(5) . '.' . $file->getClientOriginalExtension();
                $file->move(public_path('img/payment'), $namaFile);
                $pathBukti = 'img/payment/' . $namaFile;
            }

            // 6. Hitung Grand Total (Paket + Additional)
            // Kita hitung ulang di server agar aman dari manipulasi inspect element
            $grandTotal = $paket->harga;
            $listAdditional = [];

            if ($request->has('addons')) {
                foreach ($request->addons as $idAddon => $qty) {
                    if ($qty > 0) {
                        $add = \App\Models\Additional::find($idAddon);
                        if ($add) {
                            $subtotal = $add->harga * $qty;
                            $grandTotal += $subtotal;

                            $listAdditional[] = [
                                'id_additional' => $idAddon,
                                'qty' => $qty,
                                'subtotal' => $subtotal
                            ];
                        }
                    }
                }
            }

            // 7. Simpan Booking Utama
            $booking = BookingFoto::create([
                'no_invoice'     => 'INV-FOTO-' . strtoupper(Str::random(6)),
                'id_pelanggan'   => $pelanggan->id_pelanggan,
                'id_paket'       => $paket->id_paket,
                'tgl_booking'    => $request->tgl_booking,
                'jam_mulai'      => $request->jam_mulai, // Format "09:00"
                'jam_selesai'    => $jamSelesai->format('H:i'),
                'total_bayar'    => $grandTotal,
                'bukti_bayar'    => $pathBukti,
                'status_booking' => 'menunggu_verifikasi'
            ]);

            // 8. Simpan Detail Additional (Jika ada)
            foreach ($listAdditional as $item) {
                DetailAdditional::create([
                    'id_booking'    => $booking->id_booking,
                    'id_additional' => $item['id_additional'],
                    'qty'           => $item['qty'],
                    'subtotal'      => $item['subtotal']
                ]);
            }

            DB::commit();
            // 9. Redirect ke WhatsApp atau Halaman Sukses
            $pesan = "Halo Admin Flo.do! Saya pesan foto paket *{$paket->nama}*.\n" .
                "Tanggal: {$request->tgl_booking}\n" .
                "Jam: {$request->jam_mulai}\n" .
                "Total: Rp " . number_format($grandTotal, 0, ',', '.') . "\n" .
                "Mohon diverifikasi ya.";

            $urlWA = "https://wa.me/6289673668516?text=" . urlencode($pesan);
            session()->forget('payment_deadline');

            return redirect()->route('booking.foto')->with([
                'success' => 'Pesanan Berhasil Dibuat!',
                'waUrl' => $urlWA
            ]);
        } catch (\Exception $e) {
            DB::rollBack();
            // Teks Debugging Lengkap
            $errorMsg = "Error: " . $e->getMessage() . " | Baris: " . $e->getLine() . " | File: " . basename($e->getFile());

            // Kirim pesan error lengkap ke layar
            return back()->with('error', $errorMsg)->withInput();
        }
    }
}