<?php
/**
 * @package     Plumrocket_CookieConsent
 * @copyright   Copyright (c) 2020 Plumrocket Inc. (https://plumrocket.com)
 * @license     https://plumrocket.com/license   End-user License Agreement
 */

declare(strict_types=1);

namespace Plumrocket\CookieConsent\Helper;

use Magento\Framework\App\Helper\AbstractHelper;
use Magento\Framework\App\Helper\Context;
use Magento\Framework\Serialize\SerializerInterface;
use Plumrocket\Base\Model\ConfigUtils;

/**
 * @since 1.0.0
 */
class Config extends AbstractHelper
{

    public const XML_PATH_IS_ENABLED = 'pr_cookie/general/enabled';
    public const XML_PATH_USE_COOKIE_BEFORE_OPT_IN = 'pr_cookie/main_settings/use_cookie_before_opt_in';
    public const XML_PATH_BLOCK_UNKNOWN_COOKIE = 'pr_cookie/main_settings/block_unknown_cookie';
    public const XML_PATH_CONSENT_EXPIRY = 'pr_cookie/main_settings/consent_expiry';
    public const XML_PATH_RELOAD_AFTER_ACCEPT = 'pr_cookie/main_settings/reload_after_accept';
    public const XML_PATH_RELOAD_AFTER_DECLINE = 'pr_cookie/main_settings/reload_after_decline';

    public const XML_PATH_GTM_ENABLED = 'prgdpr/gtm/enabled';
    public const XML_PATH_GTM_CATEGORY_KEY = 'pr_cookie/gtm/category';
    public const XML_PATH_GTM_CONTAINER_ID = 'prgdpr/gtm/container_id';
    public const XML_PATH_GTM_SERVER_SIDE_TAGGING = 'pr_cookie/gtm/server_side_tagging';
    public const XML_PATH_GTM_SERVER_URL = 'pr_cookie/gtm/server_url';
    public const XML_PATH_GTM_CONSENT_MODE_ENABLED = 'pr_cookie/gtm/consent_mode';
    public const XML_PATH_GTM_CONSENT_TYPES = 'pr_cookie/gtm/consent_types';

    /**
     * @var \Plumrocket\Base\Model\Utils\Config
     */
    private $configUtils;

    /**
     * @var SerializerInterface
     */
    private $serializer;

    /**
     * @param \Magento\Framework\App\Helper\Context $context
     * @param \Plumrocket\Base\Model\Utils\Config $configUtils
     * @param SerializerInterface $serializer
     */
    public function __construct(
        Context $context,
        ConfigUtils $configUtils,
        SerializerInterface $serializer
    ) {
        parent::__construct($context);
        $this->configUtils = $configUtils;
        $this->serializer = $serializer;
    }

    /**
     * Check if module is enabled.
     *
     * @param null $store
     * @param null $scope
     * @return bool
     */
    public function isModuleEnabled($store = null, $scope = null): bool
    {
        return $this->configUtils->isSetFlag(
            self::XML_PATH_IS_ENABLED,
            $store,
            $scope
        );
    }

    /**
     * @param null $store
     * @param null $scope
     * @return bool
     */
    public function canUseCookieBeforeOptIn($store = null, $scope = null): bool
    {
        return $this->configUtils->isSetFlag(
            self::XML_PATH_USE_COOKIE_BEFORE_OPT_IN,
            $store,
            $scope
        );
    }

    /**
     * @param null $store
     * @param null $scope
     * @return bool
     */
    public function canBlockUnknownCookie($store = null, $scope = null): bool
    {
        return $this->configUtils->isSetFlag(
            self::XML_PATH_BLOCK_UNKNOWN_COOKIE,
            $store,
            $scope
        );
    }

    /**
     * @param null $store
     * @param null $scope
     * @return int
     */
    public function getConsentExpiry($store = null, $scope = null): int
    {
        return (int) $this->configUtils->getConfig(self::XML_PATH_CONSENT_EXPIRY, $store, $scope);
    }

    /**
     * @param null $store
     * @param null $scope
     * @return bool
     */
    public function reloadAfterAccept($store = null, $scope = null): bool
    {
        return $this->configUtils->isSetFlag(self::XML_PATH_RELOAD_AFTER_ACCEPT, $store, $scope);
    }

    /**
     * @param null $store
     * @param null $scope
     * @return bool
     */
    public function reloadAfterDecline($store = null, $scope = null): bool
    {
        return $this->configUtils->isSetFlag(self::XML_PATH_RELOAD_AFTER_DECLINE, $store, $scope);
    }

    /** ------ GMT ------- */

    /**
     * @param null $store
     * @param null $scope
     * @return bool
     */
    public function isGtmEnabled($store = null, $scope = null): bool
    {
        return $this->configUtils->isSetFlag(self::XML_PATH_GTM_ENABLED, $store, $scope);
    }

    /**
     * @param null $store
     * @param null $scope
     * @return string
     */
    public function getGmtAssociatedCategoryKey($store = null, $scope = null): string
    {
        return (string) $this->configUtils->getConfig(self::XML_PATH_GTM_CATEGORY_KEY, $store, $scope);
    }

    /**
     * @param null $store
     * @param null $scope
     * @return string
     */
    public function getGtmContainerId($store = null, $scope = null): string
    {
        return trim((string) $this->configUtils->getConfig(self::XML_PATH_GTM_CONTAINER_ID, $store, $scope));
    }

    /**
     * @param $store
     * @param $scope
     * @return bool
     */
    public function isGtmServerSideTaggingEnabled($store = null, $scope = null): bool
    {
        return $this->configUtils->isSetFlag(self::XML_PATH_GTM_SERVER_SIDE_TAGGING, $store, $scope);
    }

    /**
     * @param $store
     * @param $scope
     * @return string
     */
    public function getGtmServerBaseUrl($store = null, $scope = null): string
    {
        if (! $this->isGtmServerSideTaggingEnabled($store, $scope)) {
            return 'https://www.googletagmanager.com';
        }

        return trim((string) $this->configUtils->getConfig(self::XML_PATH_GTM_SERVER_URL, $store, $scope), ' \/');
    }

    /**
     * Check if gtm consent mode enabled
     *
     * @param null $store
     * @param null $scope
     * @return bool
     */
    public function isGtmConsentModeEnabled($store = null, $scope = null): bool
    {
        return $this->configUtils->isSetFlag(self::XML_PATH_GTM_CONSENT_MODE_ENABLED, $store, $scope);
    }

    /**
     * Retrieve gtm consent types configurations
     *
     * @param null $store
     * @param null $scope
     * @return array
     */
    public function getGtmConsentTypesConfig($store = null, $scope = null): array
    {
        $config = $this->configUtils->getConfig(self::XML_PATH_GTM_CONSENT_TYPES, $store, $scope);
        if (is_string($config)) {
            $config = $this->serializer->unserialize($config);
        }
        return $config ?: [];
    }
}