<?php

namespace App\Filament\Pages;

use Filament\Pages\Page;
use Filament\Forms\Components\Select;
use Filament\Forms\Components\DatePicker;
use Filament\Forms\Components\Textarea;
use Filament\Forms\Components\FileUpload;
use Filament\Schemas\Schema;
use Filament\Forms\Contracts\HasForms;
use Filament\Forms\Concerns\InteractsWithForms;
use App\Models\Supplier;
use App\Models\PricelistFile;
use App\Filament\Resources\PricelistFiles\PricelistFileResource;
use App\Jobs\PricelistPreProcessJob;
use Filament\Notifications\Notification;
use Filament\Actions\Action;

use Illuminate\Contracts\Support\Htmlable;

class PriceListProcessor extends Page implements HasForms
{
    use InteractsWithForms;

    protected static string | \BackedEnum | null $navigationIcon = 'heroicon-o-document-text';

    protected string $view = 'filament.pages.price-list-processor';

    protected static ?string $title = 'Árlista feldolgozó';

    protected static ?string $navigationLabel = 'Árlista feldolgozó';

    protected static bool $shouldRegisterNavigation = false;

    public ?array $data = [];

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

    public function form(Schema $form): Schema
    {
        return $form
            ->schema([
                Select::make('supplier_id')
                    ->label('Beszállító')
                    ->options(Supplier::query()->pluck('name', 'id'))
                    ->required()
                    ->searchable(),
                DatePicker::make('available_date')
                    ->label('Életbelépés dátuma')
                    ->required()
                    ->native(false)
                    ->displayFormat('Y.m.d'),
                Textarea::make('note')
                    ->label('Megjegyzés')
                    ->rows(3),
                FileUpload::make('filename')
                    ->label('Fájl kiválasztása')
                    ->required()
                    ->acceptedFileTypes(['application/vnd.ms-excel', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', 'text/csv'])
                    ->disk('public')
                    ->directory('pricelist-uploads')
                    ->preserveFilenames(),
            ])
            ->statePath('data');
    }

    protected function getFormActions(): array
    {
        return [
            Action::make('save')
                ->label('Feltöltés és feldolgozás indítása')
                ->submit('save')
                ->color('primary'),
        ];
    }

    public function save()
    {
        $data = $this->form->getState();

        $pricelistFile = PricelistFile::create([
            'filename' => $data['filename'],
            'supplier_id' => $data['supplier_id'],
            'available_date' => $data['available_date'],
            'note' => $data['note'],
            'status' => \App\Enums\PricelistFileStatusEnum::todo,
            'workflow_steps' => [
                ['name' => 'preprocess', 'label' => 'Előfeldolgozás', 'status' => 'pending'],
                ['name' => 'validation', 'label' => 'Validálás', 'status' => 'pending'],
                ['name' => 'approval', 'label' => 'Jóváhagyás', 'status' => 'pending'],
                ['name' => 'execution', 'label' => 'Végrehajtás', 'status' => 'pending']
            ],
        ]);

        PricelistPreProcessJob::dispatch($pricelistFile);

        Notification::make()
            ->title('Sikeres feltöltés')
            ->body('Az árlista fájl rögzítve lett és a feldolgozás elindult.')
            ->success()
            ->send();

        $this->form->fill();

        return redirect()->to(PricelistFileResource::getUrl('view', ['record' => $pricelistFile]));
    }
}