<?php

namespace Chill\ActivityBundle\DependencyInjection;

use Symfony\Component\Config\Definition\Builder\TreeBuilder;
use Symfony\Component\Config\Definition\ConfigurationInterface;

/**
 * This is the class that validates and merges configuration from your app/config files
 *
 * To learn more see {@link http://symfony.com/doc/current/cookbook/bundles/extension.html#cookbook-bundles-extension-config-class}
 */
class Configuration implements ConfigurationInterface
{
    /**
     * {@inheritdoc}
     */
    public function getConfigTreeBuilder()
    {
        $treeBuilder = new TreeBuilder('chill_activity');
        $rootNode = $treeBuilder->getRootNode('chill_activity');
        
        $rootNode
                ->children()
                    ->arrayNode('form')
                        ->canBeEnabled()
                        ->children()
                            ->arrayNode('time_duration')
                            ->isRequired()
                            ->requiresAtLeastOneElement()
                            ->defaultValue(
                                    array(
                                        [ 'label' => '5 minutes',  'seconds' => 300], 
                                        [ 'label' => '10 minutes', 'seconds' => 600],
                                        [ 'label' => '15 minutes', 'seconds' => 900],
                                        [ 'label' => '20 minutes', 'seconds' => 1200],
                                        [ 'label' => '25 minutes', 'seconds' => 1500],
                                        [ 'label' => '30 minutes', 'seconds' => 1800],
                                        [ 'label' => '45 minutes', 'seconds' => 2700],
                                        [ 'label' => '1 hour',     'seconds' => 3600],
                                        [ 'label' => '1 hour 15',  'seconds' => 4500],
                                        [ 'label' => '1 hour 30',  'seconds' => 5400],
                                        [ 'label' => '1 hour 45',  'seconds' => 6300],
                                        [ 'label' => '2 hours',    'seconds' => 7200],
                                        )
                                    )
                            ->info('The intervals of time to show in activity form')

                            ->prototype('array')
                                ->children()
                                    ->scalarNode('seconds')
                                        ->info("The number of seconds of this duration. Must be an integer.")
                                        ->cannotBeEmpty()
                                        ->validate()
                                            ->ifTrue(function($data) {
                                                return !is_int($data);
                                            })->thenInvalid("The value %s is not a valid integer")
                                        ->end()
                                    ->end()
                                    ->scalarNode('label')
                                        ->cannotBeEmpty()
                                        ->info("The label to show into fields")
                                    ->end()
                                ->end()

                            ->end()
//                            ->validate()
//                            
//                                ->ifTrue(function ($data) {
//                                    // test this is an array
//                                    if (!is_array($data)) {
//                                        return true;
//                                    }
//
//                                    foreach ($data as $k => $v) {
//                                        if (!is_string($k)) {
//                                            return true;
//                                        }
//                                        if (!is_int($v)) {
//                                            return true;
//                                        }
//                                    }
//
//                                    })
//                                    ->thenInvalid("The data are invalid. The keys must be a string and the value integers")
//                            ->end()
                            ->end()
                        ->end()
                
                    ->end()
                ->end();

        return $treeBuilder;
    }
}