<?php

namespace App;

class Screen
{
	protected $_outputs;
	protected $_driver;

	public function __construct(array $outputs, ILayoutDriver $driver)
	{
		$this->_outputs = $outputs;
		$this->_driver = $driver;
	}

	protected function getOutputName(): ?string
	{
		foreach ($this->_outputs as $output)
		{
			if ($this->_driver->isConnected($output))
				return $output;
		}

		return null;
	}

	public function isConnected(): bool
	{
		return !empty($this->getOutputName());
	}

	public function isPrimary(): bool
	{
		return $this->_driver->isPrimary($this->getOutputName());
	}

	public function getDimensions(): array
	{
		return $this->_driver->getDimensions($this->getOutputName());
	}

	public function getOffset(): array
	{
		return $this->_driver->getOffset($this->getOutputName());
	}

	public function setOffset(int $x, int $y): void
	{
		$this->_driver->setOffset($this->getOutputName(), $x, $y);
	}

	public function setDimensions(int $w, int $h): void
	{
		$this->_driver->setDimensions($this->getOutputName(), $w, $h);
	}
}