<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Log;

class KlasifikasiController extends Controller
{
    public function index()
    {
        return view('welcome');
    }

    public function prediksi(Request $request)
    {
        $request->validate([
            'gambar' => 'required|image'
        ]);

        $gambar = $request->file('gambar');
        $uploadPath = public_path('uploads');

        if (!is_dir($uploadPath)) {
            mkdir($uploadPath, 0755, true);
        }

        $namaFile = time() . '.' . $gambar->getClientOriginalExtension();
        $gambar->move($uploadPath, $namaFile);
        $pathGambar = $uploadPath . DIRECTORY_SEPARATOR . $namaFile;

        try {
            $response = Http::timeout(60)
                ->attach('gambar', file_get_contents($pathGambar), $namaFile)
                ->post('http://127.0.0.1:5000/prediksi');

            if (!$response->successful()) {
                $message = 'Server prediksi gagal: ' . $response->status();
                Log::error($message, ['body' => $response->body()]);

                return back()->with([
                    'error' => 'Tidak dapat memproses prediksi. Coba lagi nanti.',
                ]);
            }

            $hasil = $response->json();

            return back()->with([
                'success' => 'Prediksi berhasil',
                'gambar' => $namaFile,
                'hasil' => $hasil['penyakit'] ?? 'Tidak ada hasil',
                'confidence' => $hasil['confidence'] ?? 0,
            ]);
        } catch (\Exception $e) {
            Log::error('Prediksi request error: ' . $e->getMessage());

            return back()->with([
                'error' => 'Terjadi kesalahan saat menghubungi server prediksi.',
            ]);
        }
    }
}