<?php

namespace App\Filament\Resources;

use Filament\Forms;
use Filament\Tables;
use App\Models\Payment;
use Filament\Forms\Form;
use Filament\Tables\Table;
use App\Models\PatientTreatment;
use Filament\Resources\Resource;
use Filament\Forms\Components\Select;
use Filament\Tables\Columns\TextColumn;
use Filament\Forms\Components\TextInput;
use Illuminate\Database\Eloquent\Builder;
use Filament\Forms\Components\DateTimePicker;
use App\Filament\Resources\PaymentResource\Pages;
use Illuminate\Database\Eloquent\SoftDeletingScope;
use App\Filament\Resources\PaymentResource\RelationManagers;

class PaymentResource extends Resource
{
    protected static ?string $model = Payment::class;

    protected static ?string $navigationIcon = 'heroicon-o-rectangle-stack';

    public static function form(Form $form): Form
    {
        return $form
            ->schema([
                Select::make('registration_id')
                    ->relationship('registration', 'id')
                    ->required()
                    ->reactive() // Menambahkan reactive agar form ini bisa merespon perubahan
                    ->afterStateUpdated(fn($state, $set) => $set('total_amount', self::calculateTotalAmount($state))), // Kalkulasi total_amount setelah pemilihan Registration

                // Tampilkan informasi pasien dan dokter
                Forms\Components\TextInput::make('patient_name')
                    ->disabled()
                    ->label('Patient')
                    ->default(fn($get) => $get('registration.patient.name')),

                Forms\Components\TextInput::make('doctor_name')
                    ->disabled()
                    ->label('Doctor')
                    ->default(fn($get) => $get('registration.doctor.name')),

                // Tampilkan tindakan yang sudah dilakukan
                Forms\Components\Repeater::make('patient_treatments')
                    ->schema([
                        Forms\Components\TextInput::make('treatment_name')
                            ->disabled()
                            ->label('Treatment')
                            ->default(fn($get) => $get('treatment.name')),

                        Forms\Components\TextInput::make('cost')
                            ->disabled()
                            ->label('Cost')
                            ->default(fn($get) => $get('treatment.cost')),

                        Forms\Components\TextInput::make('quantity')
                            ->numeric()
                            ->default(1)
                            ->label('Quantity'),
                    ])
                    ->columns(1)
                    ->reactive()
                    ->afterStateUpdated(fn($state, $set, $get) => $set('total_amount', self::calculateTotalAmount($get('registration_id')))),

                TextInput::make('total_amount')->numeric()->required()->disabled(),
                Select::make('payment_method')
                    ->options([
                        'cash' => 'Cash',
                        'transfer' => 'Transfer',
                        'insurance' => 'Insurance',
                        'bpjs' => 'BPJS',
                    ])
                    ->required(),
                TextInput::make('insurance_provider')->nullable(),
                TextInput::make('insurance_number')->nullable(),
                DateTimePicker::make('payment_date')->required(),
            ]);
    }

    // Fungsi untuk menghitung total amount berdasarkan tindakan yang terkait dengan registrasi
    public static function calculateTotalAmount($registrationId)
    {
        // Ambil semua tindakan yang terkait dengan registrasi
        $patientTreatments = PatientTreatment::where('registration_id', $registrationId)->get();

        // Hitung total biaya
        $total = 0;
        foreach ($patientTreatments as $patientTreatment) {
            $total += $patientTreatment->treatment->cost * $patientTreatment->quantity; // Asumsikan Treatment punya field 'cost'
        }

        return $total;
    }

    public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('no')
                    ->label('No.')
                    ->getStateUsing(function ($rowLoop, $record) {
                        return $rowLoop->iteration;
                    }),
                TextColumn::make('registration.patient.name')->label('Patient')->searchable(),
                TextColumn::make('registration.doctor.name')->label('Doctor')->searchable(),
                TextColumn::make('total_amount')->money('IDR'),
                TextColumn::make('payment_method'),
                TextColumn::make('payment_date')->dateTime(),
            ])
            ->filters([
                //
            ])
            ->actions([
                Tables\Actions\EditAction::make(),
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DeleteBulkAction::make(),
                ]),
            ]);
    }

    public static function getRelations(): array
    {
        return [
            //
        ];
    }

    public static function getPages(): array
    {
        return [
            'index' => Pages\ListPayments::route('/'),
            'create' => Pages\CreatePayment::route('/create'),
            'edit' => Pages\EditPayment::route('/{record}/edit'),
        ];
    }
}