<?php
namespace MailChannels;

class Subscription implements \JsonSerializable {
    private $handle;
    private $active;
    private $plan;
    private $limits;
    private $activeAccountsCount;
    private $protectedDomainsLimit;

    public function __construct($handle, $active, Plan $plan = null, array $limits = null, $activeAccountsCount = 0) {
        $this->handle = $handle;
        $this->active = $active;
        $this->plan = $plan;
        $this->limits = $limits;
        $this->activeAccountsCount = $activeAccountsCount;
        $this->protectedDomainsLimit = 0;

        if ($limits !== null) {
            foreach ($limits as $limit) {
                if (!$limit instanceof Limit) {
                    throw new \InvalidArgumentException("all elements of 'limits' array must be instances of 'Limit'");
                }

                if ($limit->getFeatureHandle() === Limit::PROTECTED_DOMAINS_FEATURE_HANDLE) {
                    $this->protectedDomainsLimit = intval($limit->getValue());
                }
            }
        }
    }

    public function getHandle() {
        return $this->handle;
    }

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

    public function getPlan() {
        return $this->plan;
    }

    public function getLimits() {
        return $this->limits;
    }

    public function getActiveAccountsCount() {
        return $this->activeAccountsCount;
    }

    public function getProtectedDomainsLimit() {
        return $this->protectedDomainsLimit;
    }

    function jsonSerialize() {
        return [
            'handle'=>$this->handle,
            'active'=>$this->active,
            'plan'=>$this->plan,
            'limits'=>$this->limits
        ];
    }
}