<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use App\Imports\UserImport;
use App\Models\User;
use Maatwebsite\Excel\Facades\Excel;
use Illuminate\Support\Facades\Log;

class UploadDataController extends Controller
{
    public function add(Request $request)
    {
        ini_set('memory_limit', '512M');
        $request->validate([
            'file' => 'required|extensions:csv',
        ]);

        $file = $request->file('file');
        // $path = $file->store('file', 'public');
        $extension = $file->getClientOriginalExtension();

        if ($extension == 'csv') {
            $csvData =  array_map(function($row) {
                return str_getcsv($row, ';');
            }, file($file));
            array_shift($csvData);

            foreach ($csvData as $row) {
                User::updateOrCreate(
                    ['nim' => $row[0]],
                    ['name' => $row[1], 'angkatan' => $row[3]]
                );
            }
        }

        return redirect()->back()->with('success', 'Data berhasil diimpor.');
    }

    public function upload(Request $request)
    {
        Log::info('Upload method accessed');
        
        $request->validate([
            'file' => 'required|mimes:csv,xls,xlsx',
        ]);

        try {
            $file = $request->file('file');
            Log::info('File validated and received');

            // Simpan file ke dalam folder penyimpanan tertentu
            $path = $file->store('file', 'public');
            Log::info('File stored successfully at ' . $path);

            $extension = $file->getClientOriginalExtension();
            Log::info('File extension: ' . $extension);

            if ($extension == 'csv') {
                $csvData = array_map('str_getcsv', file($file));
                Log::info('CSV data processed');

                foreach ($csvData as $row) {
                    User::updateOrCreate(
                        ['nim' => $row[0]],
                        ['name' => $row[1], 'angkatan' => $row[2]]
                    );
                    Log::info('Data updated or created for NIM: ' . $row[0]);
                }
            } else {
                Excel::import(new UserImport, storage_path('app/public/' . $path));
                Log::info('Excel data imported');
            }

            Log::info('Data imported successfully');
            return redirect()->back()->with('success', 'Data berhasil diimpor.');
        } catch (\Exception $e) {
            Log::error('Error: ' . $e->getMessage());
            return redirect()->back()->with('error', 'Terjadi kesalahan. Silakan coba lagi.');
        }
    }
}