<?php
/**
 * Amazing Fullfilment Integration for WooCommerce - options class
 *
 * @author dejo-commerce
 * @copyright Copyright (c) 2017 dejo-commerce (https://www.dejo-commerce.com)
 * @license http://www.gnu.org/licenses/gpl-2.0.html
 */
class AmzFulfillment_Options {
	const CONFIG_OPTION = 'amzFulfillmentConfiguration';
	const ACCESS_KEY_PATTERN = "/^[a-z0-9]{16,128}$/i";
	const SECRET_ACCESS_KEY_PATTERN = "/^[a-z0-9\/\+=-_\.]{16,128}$/i";
	const MARKETPLACE_PATTERN = "/^[A-Z]{2}$/";
	const MERCHANT_ID_PATTERN = "/^[a-z0-9]{8,64}$/i";
	const SCHDULING_INTERVAL_MAX = 24 * 60 * 60;
	const SCHDULING_INTERVAL_MIN = 5 * 60;
	private $accessKeyId = false;
	private $secretAccessKeyId = false;
	private $marketplace = false;
	private $merchantId = false;
	private $hold = false;
	private $syncSkus = array();
	private $schedulingInterval = 60 * 60;
	private $automation = false;
	private $licenseKey = false;
	private $licenseOldKey = false;
	private $licenseExpireDate = false;

	/**
	 * load
	 * 
	 * Load options from database
	 */
	public function load() {
		$options = get_option(self::CONFIG_OPTION);
		if(!is_array($options)) {
			return;
		}
		$validKeys = array_keys(get_object_vars($this));
		foreach($options as $key => $value) {
			if(in_array($key, $validKeys)) {
				$this->$key = $value;
			}
		}
	}

	/**
	 * save
	 * 
	 * Serialize options to database
	 */
	public function save() {
		update_option(self::CONFIG_OPTION, $this->getAsArray());
	}

	/**
	 * getAsArray
	 * 
	 * Get all options as array
	 * 
	 * @return array
	 */
	public function getAsArray() {
		return get_object_vars($this);
	}

	/**
	 * getAccessKeyId
	 * 
	 * @return boolean|string
	 */
	public function getAccessKeyId() {
		return $this->accessKeyId;
	}

	/**
	 * setAccessKeyId
	 * 
	 * @param string $key
	 * @throws InvalidArgumentException
	 */
	public function setAccessKeyId($key) {
		if($key === NULL || empty($key)) {
			$this->accessKeyId = false;
		} elseif(!preg_match(self::ACCESS_KEY_PATTERN, $key)) {
			throw new InvalidArgumentException('Invalid value for accessKeyId');
		} else {
			$this->accessKeyId = $key;
		}
	}

	/**
	 * getSecretAccessKeyId
	 * 
	 * @return boolean|string
	 */
	public function getSecretAccessKeyId() {
		return $this->secretAccessKeyId;
	}

	/**
	 * setSecretAccessKeyId
	 * 
	 * @param string $key
	 * @throws InvalidArgumentException
	 */
	public function setSecretAccessKeyId($key) {
		if($key === NULL || empty($key)) {
			$this->secretAccessKeyId = false;
		} elseif(!preg_match(self::SECRET_ACCESS_KEY_PATTERN, $key)) {
			throw new InvalidArgumentException('Invalid value for secretAccessKeyId');
		} else {
			$this->secretAccessKeyId = $key;
		}
	}

	/**
	 * getMarketplace
	 * 
	 * @return bool|AmzFulfillment_AmazonMarketplace
	 */
	public function getMarketplace() {
		if($this->marketplace === false) {
			return false;
		} else {
			return new AmzFulfillment_AmazonMarketplace($this->marketplace);
		}
	}

	/**
	 * getMarketplaceCountryCode
	 * 
	 * @return boolean|string
	 */
	public function getMarketplaceCountryCode() {
		return $this->marketplace;
	}

	/**
	 * setMarketplace
	 * 
	 * @param string $marketplace
	 * @throws InvalidArgumentException
	 */
	public function setMarketplace($marketplace) {
		if($marketplace === NULL || empty($marketplace)) {
			$this->marketplace = false;
		} elseif(!preg_match(self::MARKETPLACE_PATTERN, $marketplace)) {
			throw new InvalidArgumentException('Invalid value for marketplace');
		} else {
			$this->marketplace = $marketplace;
		}
	}

	/**
	 * getMerchantId
	 * 
	 * @return boolean|string
	 */
	public function getMerchantId() {
		return $this->merchantId;
	}

	/**
	 * setMerchantId
	 * 
	 * @param string $merchantId
	 * @throws InvalidArgumentException
	 */
	public function setMerchantId($merchantId) {
		if($merchantId === NULL || empty($merchantId)) {
			$this->merchantId = false;
		} elseif(!preg_match(self::MERCHANT_ID_PATTERN, $merchantId)) {
			throw new InvalidArgumentException('Invalid value for merchantId');
		} else {
			$this->merchantId = $merchantId;
		}
	}

	/**
	 * getHold
	 * 
	 * @return boolean
	 */
	public function getHold() {
		return (boolean) $this->hold;
	}

	/**
	 * setHold
	 * 
	 * @param boolean $hold
	 */
	public function setHold($hold) {
		$this->hold = (boolean) $hold;
	}

	/**
	 * getSyncSkus
	 * 
	 * @return string[]
	 */
	public function getSyncSkus() {
		return $this->syncSkus;
	}

	/**
	 * setSyncSkus
	 * 
	 * @param string[] $skus
	 */
	public function setSyncSkus($skus) {
		if(!is_array($skus)) {
			$this->syncSkus = array();
		} else {
			$this->syncSkus = $skus;
		}
	}

	/**
	 * isSyncSku
	 * 
	 * @param string $sku
	 * @return boolean true if sku is in array of selected skus
	 */
	public function isSyncSku($sku) {
		return in_array($sku, $this->syncSkus);
	}

	/**
	 * getSchedulingInterval
	 * 
	 * @return number seconds
	 */
	public function getSchedulingInterval() {
		return intval($this->schedulingInterval);
	}

	/**
	 * setSchedulingInterval
	 * 
	 * @param int $schedulingInterval seconds
	 */
	public function setSchedulingInterval($schedulingInterval) {
		if($schedulingInterval > self::SCHDULING_INTERVAL_MAX) {
			$this->schedulingInterval = self::SCHDULING_INTERVAL_MAX;
		} elseif ($schedulingInterval < self::SCHDULING_INTERVAL_MIN) {
			$this->schedulingInterval = self::SCHDULING_INTERVAL_MIN;
		} else {
			$this->schedulingInterval = intval($schedulingInterval);
		}
	}

	/**
	 * getAutomation
	 * 
	 * @return boolean
	 */
	public function getAutomation() {
		return (boolean) $this->automation;
	}

	/**
	 * setAutomation
	 * 
	 * @param boolean $automation
	 */
	public function setAutomation($automation) {
		$this->automation = (boolean) $automation;
	}

	/**
	 * getLicenseKey
	 * 
	 * @return boolean|string
	 */
	public function getLicenseKey() {
		return $this->licenseKey;
	}

	/**
	 * setLicense
	 * 
	 * @param string $key
	 * @param int $expireDate
	 */
	public function setLicense($key, $expireDate) {
		if($key === NULL || empty($key) || $expireDate === NULL || empty($expireDate)) {
			$this->licenseKey = false;
			$this->licenseExpireDate = false;
		} else {
			$this->licenseKey = $key;
			$this->licenseExpireDate = $expireDate;
		}
	}

	/**
	 * getLicenseOldKey
	 * 
	 * @return boolean|string
	 */
	public function getLicenseOldKey() {
		return $this->licenseOldKey;
	}

	/**
	 * setLicenseOldKey
	 * 
	 * @param string $key
	 */
	public function setLicenseOldKey($key) {
		if($key === NULL || empty($key)) {
			$this->licenseOldKey = false;
		} else {
			$this->licenseOldKey = $key;
		}
	}

	/**
	 * getLicenseExpireDate
	 * 
	 * @return boolean|integer timestamp
	 */
	public function getLicenseExpireDate() {
		return $this->licenseExpireDate;
	}

	/**
	 * hasAmazonCredentials
	 * 
	 * @return boolean
	 */
	public function hasAmazonCredentials() {
		if($this->accessKeyId === false || $this->secretAccessKeyId === false || $this->marketplace === false || $this->merchantId === false) {
			return false;
		} else {
			return true;
		}
	}
}