<?php

namespace Elastica\Test\Aggregation;


use Elastica\Aggregation\Max;
use Elastica\Document;
use Elastica\Query;
use Elastica\Script;

class MaxTest extends BaseAggregationTest
{
    protected function setUp()
    {
        parent::setUp();
        $this->_index = $this->_createIndex('max');
        $docs = array(
            new Document('1', array('price' => 5)),
            new Document('2', array('price' => 8)),
            new Document('3', array('price' => 1)),
            new Document('4', array('price' => 3)),
        );
        $this->_index->getType('test')->addDocuments($docs);
        $this->_index->refresh();
    }

    public function testToArray()
    {
        $expected = array(
            "max" => array(
                "field" => "price",
                "script" => "_value * conversion_rate",
                "params" => array(
                    "conversion_rate" => 1.2
                )
            ),
            "aggs" => array(
                "subagg" => array("max" => array("field" => "foo"))
            )
        );

        $agg = new Max("min_price_in_euros");
        $agg->setField("price");
        $agg->setScript(new Script("_value * conversion_rate", array('conversion_rate' => 1.2)));
        $max = new Max("subagg");
        $max->setField("foo");
        $agg->addAggregation($max);

        $this->assertEquals($expected, $agg->toArray());
    }

    public function testMaxAggregation()
    {
        $agg = new Max("min_price");
        $agg->setField("price");

        $query = new Query();
        $query->addAggregation($agg);
        $results = $this->_index->search($query)->getAggregation("min_price");

        $this->assertEquals(8, $results['value']);

        // test using a script
        $agg->setScript(new Script("_value * conversion_rate", array("conversion_rate" => 1.2)));
        $query = new Query();
        $query->addAggregation($agg);
        $results = $this->_index->search($query)->getAggregation("min_price");

        $this->assertEquals(8 * 1.2, $results['value']);
    }
}