<?php

namespace App\Filament\Pages;

use App\Exports\ShippingRatesTemplateExport;
use App\Imports\ShippingRatesImport;
use Filament\Forms\Components\FileUpload;
use Filament\Forms\Concerns\InteractsWithForms;
use Filament\Forms\Contracts\HasForms;
use Filament\Forms\Form;
use Filament\Notifications\Notification;
use Filament\Pages\Page;
use Maatwebsite\Excel\Facades\Excel;

class ImportRatesPage extends Page implements HasForms
{
    use InteractsWithForms;

    protected static ?string $navigationIcon = 'heroicon-o-arrow-up-tray';
    protected static ?string $navigationLabel = 'ایمپورت نرخ‌ها';
    protected static ?int $navigationSort = 100;
    protected static string $view = 'filament.pages.import-rates';

    public ?array $formData = [];

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

    public function form(Form $form): Form
    {
        return $form
            ->schema([
                FileUpload::make('file')
                    ->label('فایل اکسل نرخ‌ها')
                    ->acceptedFileTypes([
                        'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
                        'application/vnd.ms-excel',
                    ])
                    ->maxSize(5120)
                    ->required()
                    ->disk('local')
                    ->directory('imports'),
            ])
            ->statePath('formData');
    }

    public function downloadTemplate(): void
    {
        (new ShippingRatesTemplateExport)->download('IFNEX_Rate_Template.xlsx');
    }

    public function import(): void
    {
        $data = $this->form->getState();

        if (empty($data['file'])) {
            Notification::make()
                ->title('خطا')
                ->body('لطفاً فایل اکسل را انتخاب کنید.')
                ->danger()
                ->send();
            return;
        }

        $filePath = storage_path('app/' . $data['file']);

        if (!file_exists($filePath)) {
            Notification::make()
                ->title('خطا')
                ->body('فایل پیدا نشد.')
                ->danger()
                ->send();
            return;
        }

        try {
            Excel::import(new ShippingRatesImport, $filePath);

            Notification::make()
                ->title('موفق')
                ->body('نرخ‌ها با موفقیت ایمپورت شدند.')
                ->success()
                ->send();

            $this->form->fill();
        } catch (\Exception $e) {
            Notification::make()
                ->title('خطا در ایمپورت')
                ->body($e->getMessage())
                ->danger()
                ->send();
        }
    }
}