<?php

namespace Guzzle\Tests\Parsers\UriTemplate;

use Guzzle\Parser\UriTemplate\UriTemplate;

/**
 * @covers Guzzle\Parser\UriTemplate\UriTemplate
 */
class UriTemplateTest extends AbstractUriTemplateTest {

    /**
     * @dataProvider templateProvider
     */
    public function testExpandsUriTemplates($template, $expansion, $params) {
        $uri = new UriTemplate($template);
        $this->assertEquals($expansion, $uri->expand($template, $params));
    }

    public function expressionProvider() {
        return array(
            array(
                '{+var*}', array(
                    'operator' => '+',
                    'values' => array(
                        array('value' => 'var', 'modifier' => '*')
                    )
                ),
            ),
            array(
                '{?keys,var,val}', array(
                    'operator' => '?',
                    'values' => array(
                        array('value' => 'keys', 'modifier' => ''),
                        array('value' => 'var', 'modifier' => ''),
                        array('value' => 'val', 'modifier' => '')
                    )
                ),
            ),
            array(
                '{+x,hello,y}', array(
                    'operator' => '+',
                    'values' => array(
                        array('value' => 'x', 'modifier' => ''),
                        array('value' => 'hello', 'modifier' => ''),
                        array('value' => 'y', 'modifier' => '')
                    )
                )
            )
        );
    }

    /**
     * @dataProvider expressionProvider
     */
    public function testParsesExpressions($exp, $data) {
        $template = new UriTemplate($exp);

        // Access the config object
        $class = new \ReflectionClass($template);
        $method = $class->getMethod('parseExpression');
        $method->setAccessible(true);

        $exp = substr($exp, 1, -1);
        $this->assertEquals($data, $method->invokeArgs($template, array($exp)));
    }

    /**
     * @ticket https://github.com/guzzle/guzzle/issues/90
     */
    public function testAllowsNestedArrayExpansion() {
        $template = new UriTemplate();

        $result = $template->expand('http://example.com{+path}{/segments}{?query,data*,foo*}', array(
            'path' => '/foo/bar',
            'segments' => array('one', 'two'),
            'query' => 'test',
            'data' => array(
                'more' => array('fun', 'ice cream')
            ),
            'foo' => array(
                'baz' => array(
                    'bar' => 'fizz',
                    'test' => 'buzz'
                ),
                'bam' => 'boo'
            )
        ));

        $this->assertEquals('http://example.com/foo/bar/one,two?query=test&more%5B0%5D=fun&more%5B1%5D=ice%20cream&baz%5Bbar%5D=fizz&baz%5Btest%5D=buzz&bam=boo', $result);
    }

    /**
     * @ticket https://github.com/guzzle/guzzle/issues/426
     */
    public function testSetRegex() {
        $template = new UriTemplate();
        $template->setRegex('/\<\$(.+)\>/');
        $this->assertSame('/foo', $template->expand('/<$a>', array('a' => 'foo')));
    }

}
