<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Role extends Model
{
    const ADMIN = 'admin';
    const MANAGER = 'manager';
    const BRIGADIER = 'brigadier';
    const WAREHOUSE_HEAD = 'warehouse_head';
    const ASSISTANT_HEAD = 'assistant_head';

    const VALID_ROLES = [
        self::ADMIN,
        self::MANAGER,
        self::BRIGADIER,
        self::WAREHOUSE_HEAD,
        self::ASSISTANT_HEAD,
    ];

    const NAMES = [
        self::ADMIN => 'Админ',
        self::MANAGER => 'Менеджер',
        self::BRIGADIER => 'Бригадир',
        self::WAREHOUSE_HEAD => 'Рук. Склада',
        self::ASSISTANT_HEAD => 'Помощник рук.',
    ];

    protected $fillable = [
        'slug',
        'name',
        'description',
        'is_system',
        'is_active',
        'sort',
    ];

    protected function casts(): array
    {
        return [
            'is_system' => 'boolean',
            'is_active' => 'boolean',
        ];
    }

    public function permissions(): BelongsToMany
    {
        return $this->belongsToMany(Permission::class, 'role_permissions')
            ->withPivot('effect')
            ->withTimestamps();
    }

    public function users(): HasMany
    {
        return $this->hasMany(User::class);
    }

    public function hasPermission(string $permission): bool
    {
        return app(\App\Services\Access\AccessService::class)->roleHasPermission($this, $permission);
    }

    public function givePermission(string $permission, string $effect = 'allow'): void
    {
        $permissionModel = Permission::query()->where('slug', $permission)->firstOrFail();

        $this->permissions()->syncWithoutDetaching([
            $permissionModel->id => ['effect' => $effect],
        ]);

        app(\App\Services\Access\AccessService::class)->bumpCacheVersion();
    }

    public function syncPermissions(array $permissions): void
    {
        $sync = [];
        foreach ($permissions as $permission => $effect) {
            if (is_int($permission)) {
                $permission = $effect;
                $effect = 'allow';
            }

            $permissionModel = Permission::query()->where('slug', $permission)->first();
            if ($permissionModel) {
                $sync[$permissionModel->id] = ['effect' => $effect];
            }
        }

        $this->permissions()->sync($sync);
        app(\App\Services\Access\AccessService::class)->bumpCacheVersion();
    }

    public static function effectiveRoles(string $role): array
    {
        return match ($role) {
            self::ASSISTANT_HEAD => [self::ASSISTANT_HEAD, self::ADMIN, self::MANAGER],
            default => [$role],
        };
    }
}