<?php

namespace App\Http\Controllers;

use App\Http\Requests\StoreRoomRequest;
use App\Models\Deck;
use App\Models\Player;
use App\Models\Room;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Inertia\Inertia;

class RoomController extends Controller
{
    public function create(Request $request)
    {
        $user = $request->user();

        $decks = Deck::query()
            ->where(function ($query) use ($user) {
                $query->where('is_system', true);

                if ($user !== null) {
                    $query->orWhere('user_id', $user->id);
                }
            })
            ->orderBy('name')
            ->get([
                'id',
                'name',
                'cards',
            ]);

        return Inertia::render('rooms/Create', [
            'decks' => $decks,
            'defaultPlayerName' => $user?->name,
        ]);
    }

    public function store(Request $request, StoreRoomRequest $roomStoreRequest)
    {
        $validated = $roomStoreRequest->validated();
        $user = $request->user();

        $deck = Deck::query()
            ->whereKey($validated['deck_id'])
            ->where(function ($query) use ($user) {
                $query->where('is_system', true);

                if ($user !== null) {
                    $query->orWhere('user_id', $user->id);
                }
            })
            ->firstOrFail();

        [$room, $player] = DB::transaction(function () use (
            $validated,
            $deck,
            $user,
        ) {
            $room = Room::create([
                'title' => $validated['title'] ?? null,
                'deck_config' => [
                    'id' => $deck->id,
                    'name' => $deck->name,
                    'cards' => $deck->cards,
                ],
            ]);

            $player = $room->players()->create([
                'user_id' => $user?->id,
                'name' => $validated['player_name'],
                'is_moderator' => true,
                'last_seen_at' => now(),
            ]);

            return [$room, $player];
        });

        $request->session()->put(
            "room_players.{$room->id}",
            $player->id,
        );

        return to_route('room.show', $room);
    }

    public function show(Room $room, Request $request)
    {
        $currentPlayer = $request->attributes->get('currentPlayer');

        abort_unless($currentPlayer instanceof Player, 403);

        $room->load([
            'players' => fn ($query) => $query
                ->select(['id', 'room_id', 'name', 'is_moderator', 'created_at'])
                ->orderByDesc('is_moderator')
                ->orderBy('created_at'),
            'players.votes' => fn ($query) => $query
                ->where('room_id', $room->id)
                ->where('round', $room->current_round),
        ]);

        $players = $room->players->map(function (Player $player) use ($room) {
            $vote = $player->votes->first();

            return [
                'id' => $player->id,
                'name' => $player->name,
                'is_moderator' => $player->is_moderator,
                'has_voted' => $vote !== null,
                'vote' => $room->revealed_at !== null ? $vote?->value : null,
            ];
        });

        $currentVote = $room->players
            ->firstWhere('id', $currentPlayer->id)
            ?->votes
            ->first();

        return Inertia::render('rooms/Show', [
            'room' => [
                'id' => $room->id,
                'title' => $room->title,
                'join_code' => $room->join_code,
                'current_round' => $room->current_round,
                'revealed' => $room->revealed_at !== null,
                'state_version' => $room->state_version,
                'deck' => [
                    'name' => $room->deck_config['name'],
                    'cards' => $room->deck_config['cards'],
                ],
                'players' => $players,
            ],
            'currentPlayer' => [
                'id' => $currentPlayer->id,
                'name' => $currentPlayer->name,
                'is_moderator' => $currentPlayer->is_moderator,
                'current_vote' => $currentVote?->value,
            ],
        ]);
    }

    public function join(Request $request)
    {
        return Inertia::render('rooms/Join', [
            'join_code' => $request->query('join_code'),
        ]);
    }
}