<?php

namespace App\Services\Admin\Settings;

use Illuminate\Contracts\Pagination\LengthAwarePaginator;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\DB;
use Spatie\Permission\Models\Permission;
use Spatie\Permission\Models\Role;

class RoleService
{
    public function getAll(): Collection
    {
        return Role::withCount('permissions')->get();
    }

    public function paginated(int $perPage = 25, string $search = '', string $sort = 'created_at', string $direction = 'desc', array $filters = []): LengthAwarePaginator
    {
        return Role::query()
            ->withCount('permissions')
            ->when($search, fn ($q) => $q->where('name', 'like', "%{$search}%"))
            ->orderBy($sort, $direction)
            ->paginate($perPage);
    }

    public function getById(int $id): Role
    {
        return Role::with('permissions')->findOrFail($id);
    }

    public function create(array $data): Role
    {
        return DB::transaction(function () use ($data) {
            $role = Role::create(['name' => $data['name']]);
            $role->syncPermissions($data['permissions']);

            return $role;
        });
    }

    public function update(Role $role, array $data): Role
    {
        DB::transaction(function () use ($role, $data) {
            $role->update(['name' => $data['name']]);
            $role->syncPermissions($data['permissions']);
        });

        return $role->fresh('permissions');
    }

    public function delete(Role $role): bool
    {
        return $role->delete();
    }

    public function getPermissionsByModule(): array
    {
        return Permission::all()
            ->groupBy(fn ($p) => explode('.', $p->name)[0])
            ->map(fn ($group) => $group->pluck('name')->map(fn ($name) => explode('.', $name, 2)[1])->values()->toArray())
            ->toArray();
    }
}
