<?php

namespace PSX\DateTime;

use InvalidArgumentException;

/**
 * Time
 *
 * @author  Christoph Kappestein <christoph.kappestein@gmail.com>
 * @license http://www.apache.org/licenses/LICENSE-2.0
 * @link    http://phpsx.org
 * @see     http://tools.ietf.org/html/rfc3339#section-5.6
 */
class Time extends \DateTime implements \JsonSerializable
{
    protected $hour;
    protected $minute;
    protected $second;
    protected $micro;
    protected $offset;

    public function __construct($time, $minute = null, $second = null, $micro = null, $offset = null)
    {
        if (func_num_args() == 1) {
            parent::__construct($this->validate($time));
        } else {
            parent::__construct('@' . gmmktime($time, $minute, $second, 1, 1, 1970));
        }
    }

    public function getHour()
    {
        return (int) $this->format('H');
    }

    public function getMinute()
    {
        return (int) $this->format('i');
    }

    public function getSecond()
    {
        return (int) $this->format('s');
    }

    public function getMicroSecond()
    {
        return (int) $this->format('u');
    }

    public function toString()
    {
        $time   = $this->format('H:i:s');
        $ms     = $this->getMicroSecond();
        $offset = $this->getOffset();

        if ($ms > 0) {
            $time.= '.' . $ms;
        }

        if ($offset != 0) {
            $time.= DateTime::getOffsetBySeconds($offset);
        }

        return $time;
    }

    public function __toString()
    {
        return $this->toString();
    }

    public function jsonSerialize()
    {
        return $this->toString();
    }

    protected function validate($time)
    {
        $time   = (string) $time;
        $result = preg_match('/^' . self::getPattern() . '$/', $time);

        if (!$result) {
            throw new InvalidArgumentException('Must be valid time format');
        }

        return $time;
    }

    public static function fromDateTime(\DateTime $date)
    {
        return new self($date->format('H'), $date->format('i'), $date->format('s'));
    }

    /**
     * @see http://www.w3.org/TR/2012/REC-xmlschema11-2-20120405/datatypes.html#time-lexical-mapping
     */
    public static function getPattern()
    {
        return '(([01][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9])(\.([0-9]+))?|(24:00:00(\.0+)?))(Z|(\+|-)((0[0-9]|1[0-3]):([0-5][0-9]|14:00)))?';
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NDAwMzk5MDQzMjQxNzI4MSA0ODcyMzIzMzg1ODcwOTk5IDUzMjE1NDU3MjU2MjAzNzQ=