<?php

namespace Illuminate\Queue;

use DateTimeInterface;
use Illuminate\Container\Container;
use Illuminate\Support\InteractsWithTime;

abstract class Queue
{
    use InteractsWithTime;

    /**
     * The IoC container instance.
     *
     * @var \Illuminate\Container\Container
     */
    protected $container;

    /**
     * The connection name for the queue.
     *
     * @var string
     */
    protected $connectionName;

    /**
     * Push a new job onto the queue.
     *
     * @param  string  $queue
     * @param  string  $job
     * @param  mixed   $data
     * @return mixed
     */
    public function pushOn($queue, $job, $data = '')
    {
        return $this->push($job, $data, $queue);
    }

    /**
     * Push a new job onto the queue after a delay.
     *
     * @param  string  $queue
     * @param  \DateTimeInterface|\DateInterval|int  $delay
     * @param  string  $job
     * @param  mixed   $data
     * @return mixed
     */
    public function laterOn($queue, $delay, $job, $data = '')
    {
        return $this->later($delay, $job, $data, $queue);
    }

    /**
     * Push an array of jobs onto the queue.
     *
     * @param  array   $jobs
     * @param  mixed   $data
     * @param  string  $queue
     * @return mixed
     */
    public function bulk($jobs, $data = '', $queue = null)
    {
        foreach ((array) $jobs as $job) {
            $this->push($job, $data, $queue);
        }
    }

    /**
     * Create a payload string from the given job and data.
     *
     * @param  string  $job
     * @param  mixed   $data
     * @return string
     *
     * @throws \Illuminate\Queue\InvalidPayloadException
     */
    protected function createPayload($job, $data = '')
    {
        $payload = json_encode($this->createPayloadArray($job, $data));

        if (JSON_ERROR_NONE !== json_last_error()) {
            throw new InvalidPayloadException(
                'Unable to JSON encode payload. Error code: '.json_last_error()
            );
        }

        return $payload;
    }

    /**
     * Create a payload array from the given job and data.
     *
     * @param  string  $job
     * @param  mixed   $data
     * @return array
     */
    protected function createPayloadArray($job, $data = '')
    {
        return is_object($job)
                    ? $this->createObjectPayload($job)
                    : $this->createStringPayload($job, $data);
    }

    /**
     * Create a payload for an object-based queue handler.
     *
     * @param  mixed  $job
     * @return array
     */
    protected function createObjectPayload($job)
    {
        return [
            'displayName' => $this->getDisplayName($job),
            'job' => 'Illuminate\Queue\CallQueuedHandler@call',
            'maxTries' => $job->tries ?? null,
            'timeout' => $job->timeout ?? null,
            'timeoutAt' => $this->getJobExpiration($job),
            'data' => [
                'commandName' => get_class($job),
                'command' => serialize(clone $job),
            ],
        ];
    }

    /**
     * Get the display name for the given job.
     *
     * @param  mixed  $job
     * @return string
     */
    protected function getDisplayName($job)
    {
        return method_exists($job, 'displayName')
                        ? $job->displayName() : get_class($job);
    }

    /**
     * Get the expiration timestamp for an object-based queue handler.
     *
     * @param  mixed  $job
     * @return mixed
     */
    public function getJobExpiration($job)
    {
        if (! method_exists($job, 'retryUntil') && ! isset($job->timeoutAt)) {
            return;
        }

        $expiration = $job->timeoutAt ?? $job->retryUntil();

        return $expiration instanceof DateTimeInterface
                        ? $expiration->getTimestamp() : $expiration;
    }

    /**
     * Create a typical, string based queue payload array.
     *
     * @param  string  $job
     * @param  mixed  $data
     * @return array
     */
    protected function createStringPayload($job, $data)
    {
        return [
            'displayName' => is_string($job) ? explode('@', $job)[0] : null,
            'job' => $job, 'maxTries' => null,
            'timeout' => null, 'data' => $data,
        ];
    }

    /**
     * Get the connection name for the queue.
     *
     * @return string
     */
    public function getConnectionName()
    {
        return $this->connectionName;
    }

    /**
     * Set the connection name for the queue.
     *
     * @param  string  $name
     * @return $this
     */
    public function setConnectionName($name)
    {
        $this->connectionName = $name;

        return $this;
    }

    /**
     * Set the IoC container instance.
     *
     * @param  \Illuminate\Container\Container  $container
     * @return void
     */
    public function setContainer(Container $container)
    {
        $this->container = $container;
    }
}
