<?php

namespace App\Filament\Pages;

use App\Services\PriceCalculatorService;
use Filament\Forms\Components\Select;
use Filament\Forms\Components\TextInput;
use Filament\Forms\Components\Section;
use Filament\Forms\Concerns\InteractsWithForms;
use Filament\Forms\Form;
use Filament\Pages\Page;
use App\Models\Country;

class PriceTestPage extends Page
{
    use InteractsWithForms;

    protected static ?string $navigationIcon = 'heroicon-o-calculator';
    protected static string $view = 'filament.pages.price-test-page';
    protected static ?string $navigationLabel = 'تست محاسبه قیمت';
    protected static ?int $navigationSort = 999;
    protected static bool $shouldRegisterNavigation = false; 

    public ?array $data = [];
    public ?array $result = null;

    public function mount(): void
    {
        $this->form->fill();
    }

    public function form(Form $form): Form
    {
        return $form
            ->schema([
                Section::make('اطلاعات ارسال')
                    ->schema([
                        Select::make('direction')
                            ->label('جهت ارسال')
                            ->options(['export' => 'صادرات (خروج از ایران)', 'import' => 'واردات (ورود به ایران)'])
                            ->required()
                            ->reactive()
                            ->afterStateUpdated(fn ($state) => $this->result = null),

                        Select::make('type')
                            ->label('نوع محموله')
                            ->options(['DOCUMENT' => 'مدارک (DOCUMENT)', 'NON DOC' => 'غیر مدارک (NON DOC)'])
                            ->required()
                            ->afterStateUpdated(fn () => $this->result = null),
                    ])->columns(2),

                Section::make('مبدا و مقصد')
                    ->schema([
                        Select::make('origin_country_id')
                            ->label('کشور مبدا')
                            ->options(Country::all()->pluck('name', 'id'))
                            ->searchable()
                            ->required()
                            ->afterStateUpdated(fn () => $this->result = null),

                        Select::make('destination_country_id')
                            ->label('کشور مقصد')
                            ->options(Country::all()->pluck('name', 'id'))
                            ->searchable()
                            ->required()
                            ->afterStateUpdated(fn () => $this->result = null),
                    ])->columns(2),

                Section::make('ابعاد و وزن')
                    ->schema([
                        TextInput::make('weight')->label('وزن واقعی (کیلوگرم)')->numeric()->required()->afterStateUpdated(fn () => $this->result = null),
                        TextInput::make('length')->label('طول (سانتی‌متر)')->numeric()->required()->afterStateUpdated(fn () => $this->result = null),
                        TextInput::make('width')->label('عرض (سانتی‌متر)')->numeric()->required()->afterStateUpdated(fn () => $this->result = null),
                        TextInput::make('height')->label('ارتفاع (سانتی‌متر)')->numeric()->required()->afterStateUpdated(fn () => $this->result = null),
                    ])->columns(4),
            ])
            ->statePath('data');
    }

    public function calculate()
    {
        $data = $this->form->getState();
        
        $service = new PriceCalculatorService();
        $this->result = $service->calculate($data);
    }
}