<?php

declare(strict_types=1);

namespace App\Http\Controllers\Bo;

use App\Http\Controllers\Controller;
use App\Http\Requests\Bo\Employees\ImportRequest;
use App\Services\FlashMessageService;
use Domain\Services\EmployeeImportService;
use Illuminate\Contracts\View\View;
use Illuminate\Http\RedirectResponse;
use Illuminate\Support\Facades\File;
use Illuminate\Support\Facades\Response;
use Symfony\Component\HttpFoundation\StreamedResponse;

class EmployeesController extends Controller
{
    public function __construct(
        private readonly FlashMessageService $flashMessageService,
        private readonly EmployeeImportService $employeeService
    ) {
    }

    public function importForm(): View
    {
        $importColumns =  $this->employeeService->getImportColumns();

        return view('bo.employees.form', compact('importColumns'));
    }

    public function importSubmit(ImportRequest $request): RedirectResponse
    {
        $importResults = $this->employeeService->import($request->getSalarieImportFile());

        if ($importResults->insertedCount > 0) {
            $this->flashMessageService->info(trans(':count lines imported', [
                'count' => $importResults->insertedCount,
            ]));
        }

        if ($importResults->updatedCount > 0) {
            $this->flashMessageService->info(trans(':count lines updated', [
                'count' => $importResults->updatedCount,
            ]));
        }

        if (! empty($importResults->errors)) {
            foreach ($importResults->errors as $error) {
                $this->flashMessageService->error($error);
            }
        }

        if ($importResults->insertedCount === 0 && $importResults->updatedCount === 0 && empty($importResults->errors)) {
            $this->flashMessageService->info(trans('No lines imported or updated'));
        }

        return to_route('bo.settings.employees');
    }

    public function downloadExampleFile(): StreamedResponse
    {
        $exampleFilePath = resource_path('assets/files/salaries-import.csv');

        throw_unless(File::exists($exampleFilePath), \LogicException::class, "Missing file at '{$exampleFilePath}'");

        return Response::stream(function () use ($exampleFilePath): void {
            readfile($exampleFilePath);
        }, 200, [
            'Content-Type'        => 'text/csv',
            'Content-Disposition' => 'attachment; filename="salaries-import.csv"',
        ]);
    }
}