<?php
/**
 * Created by PhpStorm.
 * User: Noa
 * Date: 9/11/2016
 * Time: 12:50 PM
 */

require_once __DIR__.'/vendor/autoload.php';

function cb0 () {
    return true;
}

function cb1($alpha) {

    if($alpha < 0) {
        return true;
    }
    return false;
}

function cb2($alpha) {

    if($alpha == 0) {
        return true;
    }
    return false;
}

function cb3($alpha) {

    if($alpha > 0) {
        return true;
    }
    return false;
}

function cb4($beta) {

    if($beta < 0) {
        return true;
    }
    return false;
}

function cb5($beta) {

    if($beta > 0) {
        return true;
    }
    return false;
}

function step1 () {
    echo "I'm step one".PHP_EOL;
}

function step2 () {
    echo "I'm step two".PHP_EOL;
}

function step3 () {
    echo "I'm step three".PHP_EOL;
}

function step4 () {
    echo "I'm step four".PHP_EOL;
}

function step5 () {
    echo "I'm step five".PHP_EOL;
}

function step6 () {
    echo "I'm step six".PHP_EOL;
}

// create a new state machine
$sm = new Fr\RetailMeNot\Cloud\StateMachine\StateMachine();

// affect a new environment
$sm->setProperty('alpha', 1);
$sm->setProperty('beta', -1);

// create states
$start = new Fr\RetailMeNot\Cloud\StateMachine\State('START', 'Fr\RetailMeNot\Cloud\StateMachine\CallbackRegistry::startCallback');
$step1 = new Fr\RetailMeNot\Cloud\StateMachine\State('step1', 'step1');
$step2 = new Fr\RetailMeNot\Cloud\StateMachine\State('step2', 'step2');
$step3 = new Fr\RetailMeNot\Cloud\StateMachine\State('step3', 'step3');
$step4 = new Fr\RetailMeNot\Cloud\StateMachine\State('step4', 'step4');
$step5 = new Fr\RetailMeNot\Cloud\StateMachine\State('step5', 'step5');
$step6 = new Fr\RetailMeNot\Cloud\StateMachine\State('step6', 'step6');
$stop  = new Fr\RetailMeNot\Cloud\StateMachine\State('STOP', 'Fr\RetailMeNot\Cloud\StateMachine\CallbackRegistry::stopCallback');

// create transition
$t0 = new Fr\RetailMeNot\Cloud\StateMachine\Transition('t0', 'cb0');
$t1 = new Fr\RetailMeNot\Cloud\StateMachine\Transition('t1', 'cb1', array('alpha'));
$t2 = new Fr\RetailMeNot\Cloud\StateMachine\Transition('t2', 'cb2', array('alpha'));
$t3 = new Fr\RetailMeNot\Cloud\StateMachine\Transition('t3', 'cb3', array('alpha'));
$t4 = new Fr\RetailMeNot\Cloud\StateMachine\Transition('t4', 'cb4', array('beta'));
$t5 = new Fr\RetailMeNot\Cloud\StateMachine\Transition('t5', 'cb5', array('beta'));

// create graph
$sm->addStep($start, $step1, $t0);

// alpha choice
$sm->addStep($step1, $step2, $t1);
$sm->addStep($step1, $step3, $t2);
$sm->addStep($step1, $step4, $t3);

// step2 loop
$sm->addStep($step2, $step1, $t0);

// step3 end
$sm->addStep($step3, $stop, $t0);

// beta choice
$sm->addStep($step4, $step5, $t4);
$sm->addStep($step4, $step6, $t5);

// ends
$sm->addStep($step5, $stop, $t0);
$sm->addStep($step6, $stop, $t0);

// define current step and end state
$sm->setCurretState($start);
$sm->setEndState($stop);

// test
$sm->start();

while($sm->next());