<?php

namespace App\Models;

use Carbon\CarbonImmutable;
use Illuminate\Database\Eloquent\Concerns\HasUuids;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\SoftDeletes;

/**
 * @property string $id
 * @property int|null $owner_id
 * @property string|null $title
 * @property array{name: string, cards: array<int, array{key: string, label: string}>, id?: int} $deck_config
 * @property string $join_code
 * @property int $current_round
 * @property CarbonImmutable|null $revealed_at
 * @property int $state_version
 * @property bool $allow_participant_controls
 * @property CarbonImmutable|null $last_activity_at
 * @property CarbonImmutable|null $closed_at
 * @property CarbonImmutable|null $deleted_at
 * @property int $players_count
 */
class Room extends Model
{
    use HasUuids, SoftDeletes;

    protected $fillable = [
        'owner_id',
        'title',
        'current_round',
        'deck_config',
        'revealed_at',
        'state_version',
        'allow_participant_controls',
        'last_activity_at',
        'closed_at',
    ];

    protected function casts(): array
    {
        return [
            'current_round' => 'integer',
            'state_version' => 'integer',
            'allow_participant_controls' => 'boolean',
            'revealed_at' => 'immutable_datetime',
            'last_activity_at' => 'immutable_datetime',
            'closed_at' => 'immutable_datetime',
            'deck_config' => 'array',
        ];
    }

    protected $attributes = [
        'allow_participant_controls' => false,
    ];

    protected static function booted(): void
    {
        static::creating(function (Room $room) {
            $room->join_code ??= static::generateJoinCode();
            $room->last_activity_at ??= now();
        });
    }

    protected static function generateJoinCode(): string
    {
        $alphabet = 'ABCDEFGHJKLMNPQRSTUVWXYZ23456789';

        do {
            $code = '';

            for ($i = 0; $i < 6; $i++) {
                $code .= $alphabet[random_int(0, strlen($alphabet) - 1)];
            }
        } while (static::withTrashed()->where('join_code', $code)->exists());

        return $code;

    }

    /** @return HasMany<Player, $this> */
    public function players(): HasMany
    {
        return $this->hasMany(Player::class);

    }

    /** @return HasMany<Player, $this> */
    public function activePlayers(): HasMany
    {
        return $this->hasMany(Player::class)->whereNull('inactive_at');
    }

    /** @return BelongsTo<User, $this> */
    public function owner(): BelongsTo
    {
        return $this->belongsTo(User::class, 'owner_id');
    }

    /** @return HasMany<Vote, $this> */
    public function votes(): HasMany
    {
        return $this->hasMany(Vote::class);
    }

    public function isClosed(): bool
    {
        return $this->closed_at !== null;
    }

    /** @return BelongsToMany<User, $this> */
    public function favoritedBy(): BelongsToMany
    {
        return $this->belongsToMany(User::class, 'user_room_favorites')->withTimestamps();
    }
}