<?php
namespace App\Http\Controllers;
use App\Models\Dataset;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Storage;
use App\Traits\CompressesImages;

class DatasetController extends Controller
{
    use CompressesImages;
    public function index(Request $request) {
        // Get filter parameters
        $label = $request->get('label');

        // Build query
        $query = Dataset::query();

        // Apply label filter
        if ($label) {
            $query->where('label', $label);
        }

        // Get paginated datasets (15 per page) and keep current filters in pagination links
        $datasets = $query->orderByDesc('id')->paginate(15)->withQueryString();

        // Get statistics
        $stats = Dataset::selectRaw('label, count(*) as total')->groupBy('label')->get();

        return view('admin.datasets.index', compact('datasets', 'stats'));
    }

    public function store(Request $request) {
        $request->validate([
            'label' => 'required',
            'image' => 'required|image|mimes:jpeg,png,jpg|max:2048'
        ]);

        $path = $this->compressAndStoreImage($request->file('image'), 'datasets')
            ?? $request->file('image')->store('datasets', 'public');

        Dataset::create([
            'label' => $request->label,
            'image_path' => $path
        ]);

        return back()->with('success', 'Gambar dataset berhasil diupload!');
    }

    public function destroy($id) {
        $data = Dataset::findOrFail($id);
        Storage::disk('public')->delete($data->image_path);
        $data->delete();
        return back()->with('success', 'Data dihapus!');
    }
}