<?php

namespace KupShop\KupShopBundle\Context;

use KupShop\KupShopBundle\Config;
use Symfony\Component\HttpFoundation\RequestStack;

class DomainContext implements ContextInterface
{
    /** @var string */
    protected $activeId;

    /** @var string[] */
    protected $domains;

    /** @var RequestStack */
    protected $requestStack;

    public function __construct(RequestStack $requestStack)
    {
        $this->requestStack = $requestStack;
    }

    public function activate(string $id)
    {
        $this->activeId = $id;

        return true;
    }

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

    /**
     * @return string[]
     */
    public function getSupportedWithScheme()
    {
        $domains = [];
        foreach ($this->domains as $domain) {
            $domains[$domain] = 'https://'.$domain;
        }

        return $domains;
    }

    /**
     * @return bool
     */
    protected function validate($id)
    {
        return array_search($id, $this->getSupported()) !== false;
    }

    protected function loadActive()
    {
        if ($request = $this->requestStack->getMainRequest()) {
            $domain = $request->getHost();
            if ($this->validate($domain)) {
                return $domain;
            }
        }

        // Return CI domain if set
        if (isAutoDeploy()) {
            return explode(',', getenv('VIRTUAL_HOST'))[0];
        }

        // Return local domain if is development
        if (isDevelopment()) {
            return 'www.kupshop.local';
        }

        return $this->getSupported()[0];
    }

    public function getActive()
    {
        return $this->getActiveId();
    }

    public function getActiveWithScheme()
    {
        return 'https://'.$this->getActiveId();
    }

    public function getActiveId(): string
    {
        if (is_null($this->activeId)) {
            $this->activeId = $this->loadActive();
        }

        return $this->activeId;
    }

    /**
     * @param string[] $domains
     */
    public function setDomains(array $domains): DomainContext
    {
        if ($domains) {
            $this->domains = $domains;
        } else {
            $domain = Config::get()->getFromArray('Addr')['print'];
            $this->domains = [rtrim($domain, '/')];
        }

        return $this;
    }

    public function clearCache(): void
    {
        $this->activeId = null;
    }

    public function isValid(string $id): bool
    {
        return $this->validate($id);
    }
}