<?php

namespace App\Livewire\Patient;

use App\Models\Appointment;
use Livewire\Component;
use Livewire\WithPagination;
use Illuminate\Support\Facades\Auth;
use Masmerise\Toaster\Toaster;

class BookingAntrean extends Component
{
    use WithPagination;

    public $appointment_date;
    public $notes;
    public $showTicket = false;
    public $selectedAppointment = null;
    public $doctor_id;
    public $service_category_id;
    public $filter_doctor = '';

    protected $messages = [
        'appointment_date.required' => 'Tanggal pendaftaran wajib diisi.',
        'appointment_date.after_or_equal' => 'Tanggal pendaftaran tidak boleh di masa lalu.',
        'service_category_id.required' => 'Poli / Layanan wajib dipilih.',
        'service_category_id.exists' => 'Poli yang dipilih tidak valid.',
        'doctor_id.required' => 'Dokter wajib dipilih.',
        'doctor_id.exists' => 'Dokter yang dipilih tidak valid.',
        'notes.required' => 'Keluhan singkat wajib diisi.',
        'notes.max' => 'Keluhan singkat tidak boleh lebih dari 255 karakter.',
    ];
    
    public function mount()
    {
        $this->appointment_date = date('Y-m-d');
        
        $this->service_category_id = \App\Models\ServiceCategory::first()?->id;
        $this->doctor_id = \App\Models\Doctor::first()?->id;
    }

    // Fungsi untuk membatalkan antrean
    public function cancelAppointment($id)
    {
        $appointment = Appointment::where('patient_id', Auth::id())
            ->where('status', 'waiting')
            ->findOrFail($id);

        $appointment->update(['status' => 'cancelled']);
        Toaster::success('Antrean berhasil dibatalkan.');
    }

    // Fungsi untuk mengambil data tiket dan buka modal
    public function showTicketModal($id)
    {
        $this->selectedAppointment = Appointment::with('patient')->findOrFail($id);

        // Pastikan variabel showTicket tetap true jika Anda masih menggunakannya untuk @if di blade
        $this->showTicket = true;

        // Membuka modal menggunakan Flux Javascript API
        $this->js("Flux.modal('ticket-modal').show()");
    }

    public function save()
    {
        $this->validate([
            'appointment_date' => 'required|date|after_or_equal:today',
            'doctor_id' => 'required|exists:doctors,id',
            'service_category_id' => 'required|exists:service_categories,id',
            'notes' => 'required|string|max:255',
        ]);

        // Cek duplikasi: 1 pasien, 1 hari, 1 dokter
        $exists = Appointment::where('patient_id', Auth::id())
            ->where('doctor_id', $this->doctor_id)
            ->whereDate('appointment_date', $this->appointment_date)
            ->exists();

        if ($exists) {
            Toaster::error('Anda sudah terdaftar untuk dokter ini di tanggal tersebut.');
            return;
        }

        // Nomor antrean spesifik per DOKTER dan per TANGGAL
        $lastQueue = Appointment::where('doctor_id', $this->doctor_id)
            ->whereDate('appointment_date', $this->appointment_date)
            ->max('queue_number') ?? 0;

        $newApp = Appointment::create([
            'patient_id' => Auth::id(),
            'doctor_id' => $this->doctor_id,
            'service_category_id' => $this->service_category_id,
            'appointment_date' => $this->appointment_date,
            'queue_number' => $lastQueue + 1,
            'notes' => $this->notes,
            'status' => 'waiting',
            'created_by' => Auth::id(),
        ]);

        $this->reset(['notes', 'doctor_id', 'service_category_id']);
        $this->showTicketModal($newApp->id);
    }

    public function render()
    {
        // Ambil nomor yang statusnya 'calling' hari ini
        $currentCalling = Appointment::whereDate('appointment_date', date('Y-m-d'))
            ->where('status', 'calling')
            ->when($this->filter_doctor, function ($query) {
                return $query->where('doctor_id', $this->filter_doctor);
            })
            ->with(['patient', 'doctor', 'serviceCategory']) // Eager load agar tidak error
            ->latest('updated_at') // Ambil yang paling baru dipanggil
            ->first();

        return view('livewire.patient.booking-antrean', [
            'myAppointments' => Appointment::where('patient_id', Auth::id())
                ->latest()
                ->paginate(5),
            'currentCalling' => $currentCalling, // Kirim ke view
            'categories'     => \App\Models\ServiceCategory::all(), // Data Poli
            'doctors'        => \App\Models\Doctor::all(), // Data Dokter
        ]);
    }
}