<?php

namespace App\Http\Controllers;

use App\Models\Game;
use App\Models\UserGame;
use Illuminate\Http\Request;

class LibraryController extends Controller
{
    public function __construct()
    {
        $this->middleware('auth');
    }

    public function store(Request $request)
    {
        $request->validate([
            'game_id' => 'required|exists:games,id',
            'status'  => 'required|in:' . implode(',', UserGame::STATUSES),
            'rating'  => 'nullable|integer|min:1|max:10',
        ]);

        $userGame = UserGame::updateOrCreate(
            ['user_id' => auth()->id(), 'game_id' => $request->game_id],
            ['status' => $request->status, 'rating' => $request->rating]
        );

        // Recalculate rating on the game
        $userGame->game->recalculateRating();

        if ($request->expectsJson()) {
            return response()->json(['status' => 'ok', 'userGame' => $userGame]);
        }

        return back()->with('success', 'Added to your library.');
    }

    public function update(Request $request, UserGame $userGame)
    {
        $this->authorize('update', $userGame);

        $request->validate([
            'status' => 'sometimes|in:' . implode(',', UserGame::STATUSES),
            'rating' => 'nullable|integer|min:1|max:10',
            'notes'  => 'nullable|string|max:1000',
        ]);

        $userGame->update($request->only(['status', 'rating', 'notes']));
        $userGame->game->recalculateRating();

        if ($request->expectsJson()) {
            return response()->json(['status' => 'ok', 'userGame' => $userGame]);
        }

        return back()->with('success', 'Library entry updated.');
    }

    public function destroy(UserGame $userGame)
    {
        $this->authorize('delete', $userGame);

        $game = $userGame->game;
        $userGame->delete();
        $game->recalculateRating();

        if (request()->expectsJson()) {
            return response()->json(['status' => 'ok']);
        }

        return back()->with('success', 'Removed from your library.');
    }
}