<?php

namespace App\Http\Controllers;

use App\Services\AvatarService;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Validator;

class AvatarController
{
    protected $service;

    public function __construct(AvatarService $service)
    {
        $this->service = $service;
    }

    /**
     * Handle avatar upload request.
     */
    public function upload(Request $request)
    {
        $user = Auth::user();
        if (!$user) {
            return response()->json(['error' => 'Unauthorized'], 401);
        }

        $rules = [
            'avatar' => 'required|image|max:2048|mimes:jpg,jpeg,png,webp',
        ];

        $validator = Validator::make($request->all(), $rules);
        if ($validator->fails()) {
            return response()->json(['errors' => $validator->errors()], 422);
        }

        $file = $request->file('avatar');

        try {
            $hash = $this->service->storeFromUploadedFile($user->id, $file);
            return response()->json(['success' => true, 'hash' => $hash], 200);
        } catch (\Exception $e) {
            return response()->json(['error' => 'Processing failed', 'message' => $e->getMessage()], 500);
        }
    }
}