<?php

namespace App\Filament\Pages;

use App\Imports\ShippingRatesImport;
use Filament\Actions\Action;
use Filament\Forms\Components\FileUpload;
use Filament\Forms\Components\Section;
use Filament\Forms\Concerns\InteractsWithForms;
use Filament\Forms\Contracts\HasForms;
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 = 'آپلود نرخ‌ها';
    protected static ?string $navigationGroup = 'تنظیمات';
    protected static ?int $navigationSort = 10;
    protected static string $view = 'filament.pages.import-rates';

    public ?array $data = [];

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

    public function getFormSchema(): array
    {
        return [
            Section::make('فایل اکسل نرخ‌ها')
                ->description('فایل اکسل حاوی شیت‌های Export Rate, Import Rate و DocEco را آپلود کنید.')
                ->schema([
                    FileUpload::make('file')
                        ->label('فایل اکسل')
                        ->acceptedFileTypes([
                            'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
                            'application/vnd.ms-excel',
                        ])
                        ->maxSize(5120)
                        ->required()
                        ->disk('local')
                        ->directory('imports')
                        ->preserveFilenames(),
                ]),
        ];
    }

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

            $stats = [];
            foreach ($import->sheets() as $name => $sheet) {
                if (method_exists($sheet, 'getStats')) {
                    $s = $sheet->getStats();
                    $stats[] = "{$name}: {$s['imported']} imported, {$s['skipped']} skipped";
                }
            }

            Notification::make()
                ->title('ایمپورت موفق')
                ->body(implode(' | ', $stats))
                ->success()
                ->send();

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

    protected function getFormActions(): array
    {
        return [
            Action::make('import')
                ->label('شروع ایمپورت')
                ->icon('heroicon-o-arrow-up-tray')
                ->color('success')
                ->action('import'),
        ];
    }
}