public function run()
{
// create a user.
Administrator::truncate();
Administrator::create(['username' => 'admin', 'password' => bcrypt('admin'), 'name' => 'Administrator']);
// create a role.
Role::truncate();
Role::create(['name' => 'Administrator', 'slug' => 'administrator']);
// add role to user.
Administrator::first()->roles()->sync(Role::first()->toArray());
// add default menus.
Menu::truncate();
Menu::insert([['parent_id' => 0, 'order' => 1, 'title' => 'Index', 'icon' => 'fa-bar-chart', 'uri' => '/'], ['parent_id' => 0, 'order' => 2, 'title' => 'Auth', 'icon' => 'fa-tasks', 'uri' => ''], ['parent_id' => 2, 'order' => 3, 'title' => 'Users', 'icon' => 'fa-users', 'uri' => 'auth/users'], ['parent_id' => 2, 'order' => 4, 'title' => 'Roles', 'icon' => 'fa-user', 'uri' => 'auth/roles'], ['parent_id' => 2, 'order' => 5, 'title' => 'Permission', 'icon' => 'fa-user', 'uri' => 'auth/permissions'], ['parent_id' => 2, 'order' => 6, 'title' => 'Menu', 'icon' => 'fa-bars', 'uri' => 'auth/menu']]);
}