<?php

namespace Negundo\Client {

    class Task {

        public static  array  $instances = [];

        protected array $sent = [];

        protected Transport\TransportInterface $transport;

        protected Util\TaskHandler $taskHandler;

        protected SoftwareConfig $config;

        public function __construct(SoftwareConfig $config, ? DataInterface $dataManipulator = null, Transport\TransportInterface $transport = null)
        {
            $this->config = $config;

            $this->transport = $transport ?: new Transport\Curl();

            $this->taskHandler = new Util\TaskHandler($dataManipulator);

            static::$instances[] = $this;
        }

        public function newReport(string $message, ? string $title = null, ? array $data = [], ? array $events = []) : object|null|bool
        {
            $report = $this->taskHandler->sendReport($message, $title, $data, $events);

            // Make sure not to spam the server if an ErrorMessage or Exception was already sent (like inside a loop)
            $dumpHash = $this->taskHandler->hash($report);

            if ( $this->sent[$dumpHash] ?? false ) {
                return null;
            }

            $this->sent[$dumpHash] = true;

            return $this->transport->push($this->config->url('task/report'), $report);
        }
    }
}

namespace {

    use Negundo\Client\Task\StatusEnum;
    use Negundo\Client\Task\TaskReport;

    if (! function_exists('ntask') ) {
        function ntask(string $message, ? string $title = null, ? array $data = null, ? Negundo\Client\Task\StatusEnum $status = null, array $events = []) {
            foreach (\Negundo\Client\Task::$instances as $instance) {
                $sent = $instance->newReport($message, $title, $data, $events);

                if (! $sent ) {
                    throw new \Exception(sprintf('Could not send report titled `%s`.', $title));
                }
            }
        }

        function nreport(TaskReport $report)
        {
            if ($report->status !== StatusEnum::NothingToDo || $report->getEvents()) {
                ntask($report->getMessage(), $report->getTitle(), $report->getData(), $report->getStatus(), $report->getEvents());
            }
        }
    }
}