<?php

namespace App\Services\Rooms;

use App\Enums\RoomStateChange;
use App\Events\RoomStateChanged;
use App\Models\Player;
use App\Models\Room;
use App\Models\User;
use Illuminate\Support\Facades\DB;

class RoomLifecycleService
{
    /**
     * @return array{player: Player, was_reopened: bool}
     */
    public function reopen(Room $room, User $user): array
    {
        [$player, $stateVersion, $wasReopened] = DB::transaction(function () use ($room, $user): array {
            $lockedRoom = Room::query()
                ->lockForUpdate()
                ->findOrFail($room->id);

            abort_unless($user->id === $lockedRoom->owner_id, 403);

            $wasReopened = $lockedRoom->isClosed();

            if ($wasReopened) {
                $lockedRoom->update([
                    'current_round' => $lockedRoom->current_round + 1,
                    'revealed_at' => null,
                    'closed_at' => null,
                    'last_activity_at' => now(),
                    'state_version' => $lockedRoom->state_version + 1,
                ]);
            }

            return [
                $lockedRoom->players()
                    ->where('user_id', $user->id)
                    ->firstOrFail(),
                $lockedRoom->state_version,
                $wasReopened,
            ];
        });

        if ($wasReopened) {
            RoomStateChanged::dispatch(
                $room->id,
                $stateVersion,
                RoomStateChange::RoomReopened,
            );
        }

        return [
            'player' => $player,
            'was_reopened' => $wasReopened,
        ];
    }

    public function delete(Room $room, User $user): void
    {
        $stateVersion = DB::transaction(function () use ($room, $user): int {
            $lockedRoom = Room::withTrashed()
                ->lockForUpdate()
                ->findOrFail($room->id);

            abort_if($lockedRoom->trashed(), 404);
            abort_unless($user->id === $lockedRoom->owner_id, 403);

            $lockedRoom->update([
                'state_version' => $lockedRoom->state_version + 1,
            ]);
            $lockedRoom->delete();

            return $lockedRoom->state_version;
        });

        RoomStateChanged::dispatch(
            $room->id,
            $stateVersion,
            RoomStateChange::RoomDeleted,
        );
    }
}