<?php

namespace App\Http\Controllers\User;

use App\Http\Controllers\Controller;
use App\Models\{Additional, BookingFoto, DetailAdditional, PaketFoto, Pelanggan};
use App\Http\Requests\User\BookingFotoRequest;
use App\Services\WhatsAppService;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Str;
use Carbon\Carbon;


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);
        \Carbon\Carbon::setLocale('id');
        $additionals = Additional::all();
        $start = \Carbon\Carbon::now();
        $end = \Carbon\Carbon::now()->addMonth();
        $prevMonth = $start->copy()->subMonth();
        $nextMonth = $start->copy()->addMonth();
        $currentMonthLabel = $start->isoFormat('MMMM YYYY');
        return view('user.detail-foto', compact('foto', 'additionals', 'start', 'end', 'currentMonthLabel', 'prevMonth', 'nextMonth'));
    }
    public function loadCalendar(Request $request)
    {
        \Carbon\Carbon::setLocale('id');
        $month = $request->month ?? date('m');
        $year = $request->year ?? date('Y');
        $start = \Carbon\Carbon::createFromDate($year, $month, 1);
        $prevMonth = $start->copy()->subMonth();
        $nextMonth = $start->copy()->addMonth();
        $currentMonthLabel = $start->isoFormat('MMMM YYYY');
        $html = view('user.components.calendar-grid', compact(
            'start',
            'prevMonth',
            'nextMonth',
            'currentMonthLabel'
        ))->render();

        return response()->json(['html' => $html]);
    }
    public function cekSlot(Request $request)
    {

        $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)
    {
        $details = $this->calculateDetails($request);
        if (!session()->has('payment_deadline')) {
            session()->put('payment_deadline', now()->addHours(2));
        }
        $sisaWaktu = now()->diffInSeconds(session('payment_deadline'), false);
        if ($sisaWaktu <= 0) {
            session()->forget(['payment_deadline', 'addons']);
            return redirect()->route('booking.foto')->with('error', 'Waktu pembayaran telah habis.');
        }
        return view('user.pembayaran-foto', array_merge($details, [
            'sisaWaktu' => $sisaWaktu,
            'request' => $request
        ]));
    }
    public function cancelBooking()
    {
        session()->forget(['payment_deadline', 'addons']);
        return redirect()->route('booking.foto');
    }
    public function store(BookingFotoRequest $request)
    {
        $details = $this->calculateDetails($request);
        return DB::transaction(function () use ($request, $details) {
            if (BookingFoto::where(['tgl_booking' => $request->tgl_booking, 'jam_mulai' => $request->jam_mulai])
                ->whereIn('status_booking', ['menunggu_verifikasi', 'diterima'])->exists()
            ) {
                return back()->with('error', 'Slot baru saja diambil orang lain.');
            }
            $pelanggan = Pelanggan::firstOrCreate(['no_wa' => $request->no_wa], ['nama' => $request->nama]);
            $pathBukti = $request->hasFile('bukti_bayar')
                ? $request->file('bukti_bayar')->store('img/payment/foto', 'public')
                : null;
            $booking = BookingFoto::create([
                'no_invoice'   => 'INV-FOTO-' . strtoupper(Str::random(6)),
                'id_pelanggan' => $pelanggan->id_pelanggan,
                'id_paket'     => $details['foto']->id_paket,
                'tgl_booking'  => $request->tgl_booking,
                'jam_mulai'    => $request->jam_mulai,
                'jam_selesai'  => $details['jamSelesaiBaru'],
                'total_bayar'  => $details['grandTotal'],
                'bukti_bayar'  => $pathBukti,
                'status_booking' => 'menunggu_verifikasi'
            ]);
            foreach ($details['addonsDetails'] as $item) {
                DetailAdditional::create([
                    'id_booking' => $booking->id_booking,
                    'id_additional' => $item['id'],
                    'qty' => $item['qty'],
                    'subtotal' => $item['subtotal']
                ]);
            }
            $urlWA = WhatsAppService::getBookingFotoMessage($booking, $details['foto'], $details['addonsDetails'], $details['grandTotal'], $details['jamSelesaiBaru']);
            session()->forget('payment_deadline');

            return redirect()->route('booking.foto')->with(['success' => 'Pesanan Berhasil!', 'waUrl' => $urlWA]);
        });
    }
    private function calculateDetails($request)
    {
        $foto = PaketFoto::findOrFail($request->id_paket);
        $totalAddon = 0;
        $tambahanMenit = 0;
        $addonsDetails = [];

        if ($request->has('addons')) {
            foreach ($request->addons as $id => $qty) {
                if ($qty > 0 && $add = Additional::find($id)) {
                    $subtotal = $add->harga * $qty;
                    $totalAddon += $subtotal;
                    if ($id == 4) $tambahanMenit += (5 * $qty);
                    if ($id == 6) $tambahanMenit += (10 * $qty);
                    $addonsDetails[] = ['nama' => $add->nama, 'qty' => $qty, 'subtotal' => $subtotal, 'id' => $id];
                }
            }
        }
        return [
            'foto' => $foto,
            'addonsDetails' => $addonsDetails,
            'grandTotal' => $foto->harga + $totalAddon,
            'jamSelesaiBaru' => Carbon::createFromFormat('H:i', $request->jam_mulai)
                ->addMinutes($foto->durasi + $tambahanMenit)->format('H:i')
        ];
    }
}