<?php

namespace App\Http\Controllers;

use App\Helpers\FirstParty\Credits\CreditsService;
use App\Helpers\FirstParty\Meme\MemeGenerator;
use Illuminate\Http\Request;
use App\Models\Category;
use Auth;

class UserAIController extends Controller
{
    public function generateMeme(Request $request)
    {
        $user = Auth::user();


        if (!CreditsService::canSpend($user->id, 2)) {
            return response()->json([
                'error' => [
                    'message' => 'You do not have enough credits to generate a meme. Please purchase credits from the Store.',
                ],
            ]);
        }

        CreditsService::spend($user->id, 2);

        $meme = MemeGenerator::generateMemeByKeyword($request->prompt);

        $meme_media = MemeGenerator::getSuitableMemeMedia($meme, 2);

        return response()->json([
            'success' => [
                'data' => [
                    'generate' => [
                        'info' => $meme,
                        'caption' => $meme->caption,
                        'meme' => $meme_media,
                        'background' => $meme->background_media,
                    ],
                ],
            ],
        ]);
    }

    public function aiHints()
    {
        $categories = Category::whereNotNull('keywords')
            ->inRandomOrder()
            ->take(8)
            ->get();

        if ($categories->isEmpty()) {
            return response()->json([
                'success' => [
                    'data' => [
                        'keywords' => []
                    ]
                ]
            ]);
        }

        $keywords = $categories->map(function ($category) {
            return collect($category->keywords)->random();
        })->toArray();

        return response()->json([
            'success' => [
                'data' => [
                    'keywords' => $keywords
                ]
            ]
        ]);
    }
}