<?php
 
 
 

namespace PhpWA\Protocol\Proto;

use UnexpectedValueException;




class BotSessionSource
{
    


    const NONE = 0;
    


    const NULL_STATE = 1;
    


    const TYPEAHEAD = 2;
    


    const USER_INPUT = 3;
    


    const EMU_FLASH = 4;
    


    const EMU_FLASH_FOLLOWUP = 5;
    


    const VOICE = 6;

    private static $valueToName = [
        self::NONE => 'NONE',
        self::NULL_STATE => 'NULL_STATE',
        self::TYPEAHEAD => 'TYPEAHEAD',
        self::USER_INPUT => 'USER_INPUT',
        self::EMU_FLASH => 'EMU_FLASH',
        self::EMU_FLASH_FOLLOWUP => 'EMU_FLASH_FOLLOWUP',
        self::VOICE => 'VOICE',
    ];

    public static function name($value)
    {
        if (!isset(self::$valueToName[$value])) {
            throw new UnexpectedValueException(sprintf(
                    'Enum %s has no name defined for value %s', __CLASS__, $value));
        }
        return self::$valueToName[$value];
    }


    public static function value($name)
    {
        $const = __CLASS__ . '::' . strtoupper($name);
        if (!defined($const)) {
            throw new UnexpectedValueException(sprintf(
                    'Enum %s has no value defined for name %s', __CLASS__, $name));
        }
        return constant($const);
    }
}

