<?php

namespace App\Http\Controllers;

use App\Models\BookRecommendation;
use App\Models\User;
use App\Models\Vote;
use Illuminate\Http\Request;

class VoteController extends Controller
{
    public function castVote(Request $request)
    {
        $request->validate([
            'book_recommendation_id' => 'required|exists:book_recommendations,id',
        ]);

        $user = $request->user();

        if ($user->total_votes > 0) {
            $user->decrement('total_votes');

            Vote::create([
                'user_id' => $user->id,
                'book_recommendation_id' => $request->book_recommendation_id,
            ]);

            return response()->json(['message' => 'Vote successfully cast.']);
        }

        return response()->json(['message' => 'No remaining votes.'], 403);
    }

    public function addTotalVotesAll(Request $request)
    {
        $request->validate([
            'total_votes' => 'required|integer|min:1',
        ]);

        if (!(auth()->user()->hasRole('admin')) ) {
            return response()->json(['message' => 'Keine Berechtigung.'], 403);
        }

        $users = User::all();
        foreach ($users as $user) {
            $user->increment('total_votes', $request->total_votes);
        }

        return response()->json(['message' => 'Total votes added to all book recommendations.']);
    }
}