<?php

namespace ADP\Settings;

use ADP\Settings\Interfaces\OriginOptionInterface;
use ADP\Settings\Constants\Constant;
use ADP\Settings\Exceptions\KeyNotFound;
use ADP\Settings\Interfaces\StoreStrategyInterface;

class OptionsManager {

	/**
	 * @var OptionsList
	 */
	protected $options;

	/**
	 * @var ConstantsList
	 */
	protected $constants;

	/**
	 * @var StoreStrategyInterface
	 */
	protected $storeStrategy;

	/**
	 * @param StoreStrategyInterface $storeStrategy
	 */
	public function __construct( $storeStrategy ) {
		$this->storeStrategy = $storeStrategy;
		$this->options       = new OptionsList();
		$this->constants     = new ConstantsList();
	}

	public function installOptions( $options ) {
		if ( $options instanceof OptionsList ) {
			$this->options = $options;
		}
	}

	public function installConstants( $constants ) {
		if ( $constants instanceof ConstantsList ) {
			$this->constants = $constants;
		}
	}

	/**
	 * @param string $key
	 * @param mixed  $value
	 *
	 * @return bool
	 */
	public function set( $key, $value ) {
		$option = $this->tryGetOption( $key );

		return $option ? $option->set( $value ) : false;
	}

	/**
	 * @param string $key
	 *
	 * @return mixed
	 */
	public function getOption( $key ) {
		$option = $this->tryGetOption( $key );

		return $option ? $option->get() : null;
	}

	public function getOptions() {
		return $this->options->getOptionsArray();
	}

	/**
	 * @param $key
	 *
	 * @return mixed
	 */
	public function getConstant( $key ) {
		$constant = $this->tryGetConstant( $key );

		return $constant ? $constant->get() : null;
	}

	/**
	 * @param string $key
	 *
	 * @return OriginOptionInterface|false
	 */
	public function tryGetOption( $key ) {
		try {
			$option = $this->options->getByKey( $key );
		} catch ( KeyNotFound $exception ) {
			// TODO if in production LOG IT!
			$option = false;
		}

		return $option;
	}

	/**
	 * @param string $key
	 *
	 * @return Constant|false
	 */
	public function tryGetConstant( $key ) {
		try {
			$const = $this->constants->getByKey( $key );
		} catch ( KeyNotFound $exception ) {
			// TODO if in production LOG IT!
			$const = false;
		}

		return $const;
	}

	public function save() {
		$this->storeStrategy->save( $this->options );
	}

	public function load() {
		$this->storeStrategy->load( $this->options );
	}
}