<?php

namespace PSX\Record\Tests;

use PHPUnit\Framework\TestCase;
use PSX\Record\Record;
use PSX\Record\RecordInterface;

/**
 * RecordTest
 *
 * @author  Christoph Kappestein <christoph.kappestein@gmail.com>
 * @license http://www.apache.org/licenses/LICENSE-2.0
 * @link    http://phpsx.org
 */
class RecordTest extends TestCase
{
    public function testGetProperty()
    {
        $record = new Record(array(
            'id'    => 1,
            'title' => 'bar',
        ));

        $this->assertEquals(1, $record->getProperty('id'));
        $this->assertEquals('bar', $record->getProperty('title'));
    }

    public function testSetProperty()
    {
        $record = new Record(array(
            'id'    => 1,
            'title' => 'bar',
        ));

        $this->assertEquals(1, $record->getProperty('id'));

        $record->setProperty('id', 2);

        $this->assertEquals(2, $record->getProperty('id'));
    }

    public function testRemoveProperty()
    {
        $record = new Record(array(
            'id'    => 1,
            'title' => 'bar',
        ));

        $this->assertTrue($record->hasProperty('id'));

        $record->removeProperty('id');

        $this->assertFalse($record->hasProperty('id'));
    }

    public function testHasProperty()
    {
        $record = new Record(array(
            'id'    => 1,
            'title' => 'bar',
        ));

        $this->assertTrue($record->hasProperty('id'));
    }

    public function testIsEmpty()
    {
        $record = new Record(array(
            'id'    => 1,
            'title' => 'bar',
        ));

        $this->assertTrue($record->hasProperty('id'));
    }

    public function testMerge()
    {
        $record = new Record(array(
            'id'    => 1,
            'title' => 'bar',
        ));

        $record->merge(['foo' => 'bar']);
        $record->merge(Record::fromArray(['bar' => 'bar']));

        $this->assertTrue($record->hasProperty('id'));
    }

    public function testOffsetSet()
    {
        $record = new Record(array(
            'id'    => 1,
            'title' => 'bar',
        ));

        $this->assertEquals(1, $record['id']);

        $record['id'] = 2;

        $this->assertEquals(2, $record['id']);
    }

    public function testOffsetExists()
    {
        $record = new Record(array(
            'id'    => 1,
            'title' => 'bar',
        ));

        $this->assertTrue(isset($record['id']));
    }

    public function testOffsetUnset()
    {
        $record = new Record(array(
            'id'    => 1,
            'title' => 'bar',
        ));

        $this->assertTrue(isset($record['id']));

        unset($record['id']);

        $this->assertFalse(isset($record['id']));
    }

    public function testGetMagicGetter()
    {
        $record = new Record(array(
            'id'    => 1,
            'title' => 'bar',
        ));

        $this->assertEquals(1, $record->id);
        $this->assertEquals('bar', $record->title);
    }

    public function testOffsetGet()
    {
        $record = new Record(array(
            'id'    => 1,
            'title' => 'bar',
        ));

        $this->assertEquals(1, $record['id']);
        $this->assertEquals('bar', $record['title']);
    }

    public function testSetMagicSetter()
    {
        $record = new Record(array(
            'id'    => 1,
            'title' => 'bar',
        ));

        $this->assertEquals(1, $record->id);
        $this->assertEquals('bar', $record->title);

        $record->id = 2;
        $record->title = 'foo';

        $this->assertEquals(2, $record->id);
        $this->assertEquals('foo', $record->title);
    }

    public function testGetProperties()
    {
        $fields = array(
            'id'    => 1,
            'title' => 'bar',
        );
        $record = new Record($fields);

        $this->assertEquals($fields, $record->getProperties());
    }

    public function testFilter()
    {
        $fields = array(
            'id'    => 1,
            'title' => 'bar',
        );
        $record = new Record($fields);
        $record->filter(function($value){
            return $value !== 1;
        });

        $this->assertEquals(['title' => 'bar'], $record->getProperties());
    }

    public function testMap()
    {
        $fields = array(
            'id'    => 1,
            'title' => 'bar',
        );
        $record = new Record($fields);
        $record->map(function($value){
            return strtoupper($value);
        });

        $this->assertEquals(['id' => 1, 'title' => 'BAR'], $record->getProperties());
    }

    public function testSerialize()
    {
        $record = new Record(array(
            'id'    => 1,
            'title' => 'bar',
        ));

        $this->assertEquals(1, $record->id);
        $this->assertEquals('bar', $record->title);

        $record = unserialize(serialize($record));

        $this->assertEquals(1, $record->id);
        $this->assertEquals('bar', $record->title);
    }

    public function testJsonEncode()
    {
        $record = new Record(array(
            'id'    => 1,
            'title' => 'bar',
        ));

        $expect = '{"id": 1, "title": "bar"}';

        $this->assertJsonStringEqualsJsonString($expect, json_encode($record));
    }

    public function testJsonEncodeEmpty()
    {
        $record = new Record([]);

        $expect = '{}';

        $this->assertJsonStringEqualsJsonString($expect, json_encode($record));
    }

    public function testBadProperty()
    {
        $record = new Record(array(
            'id'    => 1,
            'title' => 'bar',
        ));

        $result = $record->foo;

        $this->assertNull($result);
    }

    public function testFromArray()
    {
        $record = Record::fromArray([
            'id'    => 1,
            'title' => 'bar',
        ]);

        $this->assertInstanceOf(RecordInterface::class, $record);
        $this->assertEquals(1, $record->id);
        $this->assertEquals('bar', $record->title);
    }

    public function testFromStdClass()
    {
        $record = Record::fromStdClass((object) [
            'id'    => 1,
            'title' => 'bar',
        ]);

        $this->assertInstanceOf(RecordInterface::class, $record);
        $this->assertEquals(1, $record->id);
        $this->assertEquals('bar', $record->title);
    }

    public function testFrom()
    {
        $record = Record::from(['foo' => 'bar']);

        $this->assertEquals(['foo' => 'bar'], Record::from(['foo' => 'bar'])->getProperties());
        $this->assertEquals(['foo' => 'bar'], Record::from((object) ['foo' => 'bar'])->getProperties());
        $this->assertEquals(['foo' => 'bar'], Record::from($record)->getProperties());
    }

    public function testFromInvalid()
    {
        $this->expectException(\InvalidArgumentException::class);

        Record::from('foo');
    }

    public function testIterator()
    {
        $record = Record::fromArray(['id' => 1, 'foo' => 'bar']);

        $i = 0;
        foreach ($record as $key => $value) {
            if ($i === 0) {
                $this->assertEquals('id', $key);
                $this->assertEquals(1, $value);
            } elseif ($i === 1) {
                $this->assertEquals('foo', $key);
                $this->assertEquals('bar', $value);
            }

            $i++;
        }

        $this->assertEquals(2, $i);

        $actual = iterator_to_array($record->getIterator());
        $expect = ['id' => 1, 'foo' => 'bar'];

        $this->assertEquals($expect, $actual);
    }

    public function testIsset()
    {
        $record = Record::fromArray(['id' => 1, 'foo' => 'bar']);

        $this->assertTrue(isset($record->id));
        $this->assertFalse(isset($record->bar));
    }

    public function testUnset()
    {
        $record = Record::fromArray(['id' => 1, 'foo' => 'bar']);

        $this->assertTrue(isset($record->id));
        unset($record->id);
        $this->assertFalse(isset($record->id));
    }

    public function testSetState()
    {
        $oldRecord = new Record(['id' => 1, 'foo' => 'bar']);
        $newRecord = eval('return ' . var_export($oldRecord, true) . ';');

        $this->assertInstanceOf(RecordInterface::class, $newRecord);
        $this->assertEquals(['id' => 1, 'foo' => 'bar'], $newRecord->getProperties());
    }
}
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