<?php
/**
 * Logged Out condition.
 *
 * @package BlockSieve
 */

namespace BlockSieve\Conditions\Definitions;

use BlockSieve\Conditions\AbstractCondition;
use BlockSieve\Conditions\Context\Context;

/**
 * Passes when the current viewer is logged out.
 */
final class LoggedOutCondition extends AbstractCondition {

	/**
	 * Gets the unique condition identifier.
	 *
	 * @return string
	 */
	public function id(): string {
		return 'logged-out';
	}

	/**
	 * Gets the translated human label.
	 *
	 * @return string
	 */
	public function label(): string {
		return __( 'Logged Out', 'blocksieve' );
	}

	/**
	 * Gets the translated description shown in the UI.
	 *
	 * @return string
	 */
	public function description(): string {
		return __( 'The current viewer is logged out.', 'blocksieve' );
	}

	/**
	 * Gets the category used to group this condition in the UI.
	 *
	 * @return string
	 */
	public function category(): string {
		return 'user';
	}

	/**
	 * Gets the list of supported operator identifiers.
	 *
	 * @return string[]
	 */
	public function operators(): array {
		return array( 'is' );
	}

	/**
	 * Gets the default value for a newly created condition of this type.
	 *
	 * @return mixed
	 */
	public function default_value() {
		return true;
	}

	/**
	 * Evaluates the condition against the given context.
	 *
	 * @param Context $context  Request context value object.
	 * @param string  $operator Operator identifier.
	 * @param mixed   $value    Configured value.
	 * @return bool
	 */
	public function evaluate( Context $context, string $operator, $value ): bool {
		return ! $context->is_logged_in;
	}
}