<?php

namespace Modules\TaskManagement\Http\Controllers;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Maatwebsite\Excel\Facades\Excel;
use Modules\ProjectManagement\Exports\TaskTemplateExport;
use Modules\ProjectManagement\Imports\TaskImport;
use Modules\ProjectManagement\Models\Project;

class TaskImportController extends Controller
{
    public function template()
    {
        return Excel::download(new TaskTemplateExport(), 'task_import_template.xlsx');
    }

    public function import(Request $request, Project $project)
    {
        $request->validate([
            'file' => 'required|file|mimes:xlsx,csv,xls|max:10240',
        ]);

        $import = new TaskImport($project);

        try {
            Excel::import($import, $request->file('file'));
        } catch (\Exception $e) {
            return back()->with('error', 'Import failed: ' . $e->getMessage());
        }

        $count = $import->getImportedCount();
        $message = "{$count} task(s) imported successfully.";

        if ($import->getSkippedCount() > 0) {
            $message .= " {$import->getSkippedCount()} row(s) skipped.";
        }

        return back()->with('success', $message);
    }
}