<?php

/*
 * This file is part of the Predis package.
 *
 * (c) Daniele Alessandri <suppakilla@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Predis\Command\Redis;

/**
 * @group commands
 * @group realm-list
 */
class LMPOP_Test extends PredisCommandTestCase
{
    /**
     * {@inheritdoc}
     */
    protected function getExpectedCommand(): string
    {
        return LMPOP::class;
    }

    /**
     * {@inheritdoc}
     */
    protected function getExpectedId(): string
    {
        return 'LMPOP';
    }

    /**
     * @group disconnected
     * @dataProvider argumentsProvider
     */
    public function testFilterArguments(array $actualArguments, array $expectedArguments): void
    {
        $command = $this->getCommand();
        $command->setArguments($actualArguments);

        $this->assertSame($expectedArguments, $command->getArguments());
    }

    /**
     * @group disconnected
     */
    public function testParseResponse(): void
    {
        $raw = ['key', ['elem1', 'elem2']];
        $expected = ['key' => ['elem1', 'elem2']];

        $command = $this->getCommand();

        $this->assertSame($expected, $command->parseResponse($raw));
    }

    /**
     * @group connected
     * @dataProvider listProvider
     * @param array $listArguments
     * @param string $key
     * @param string $modifier
     * @param int $count
     * @param array|null $expectedResponse
     * @param array $expectedModifiedList
     * @return void
     * @requiresRedisVersion >= 7.0.0
     */
    public function testPopElementsFromGivenList(
        array $listArguments,
        string $key,
        string $modifier,
        int $count,
        ?array $expectedResponse,
        array $expectedModifiedList
    ): void {
        $redis = $this->getClient();

        $redis->lpush(...$listArguments);
        $actualResponse = $redis->lmpop(['key1', $key], $modifier, $count);

        $this->assertSame($expectedResponse, $actualResponse);
        $this->assertSame($expectedModifiedList, $redis->lrange($key, 0, -1));
    }

    public function argumentsProvider(): array
    {
        return [
            'with default arguments' => [
                [['key']],
                [1, 'key', 'LEFT']
            ],
            'with LEFT/RIGHT argument' => [
                [['key'], 'right'],
                [1, 'key', 'RIGHT']
            ],
            'with COUNT argument' => [
                [['key'], 'left', 2],
                [1, 'key', 'LEFT', 'COUNT', 2]
            ],
            'with all arguments' => [
                [['key1', 'key2'], 'right', 2],
                [2, 'key1', 'key2', 'RIGHT', 'COUNT', 2]
            ]
        ];
    }

    public function listProvider(): array
    {
        return [
            'pops single element - left' => [
                ['key', 'elem1', 'elem2', 'elem3'],
                'key',
                'left',
                1,
                ['key' => ['elem3']],
                ['elem2', 'elem1']
            ],
            'pops single element - right' => [
                ['key', 'elem1', 'elem2', 'elem3'],
                'key',
                'right',
                1,
                ['key' => ['elem1']],
                ['elem3', 'elem2']
            ],
            'pops multiple elements' => [
                ['key', 'elem1', 'elem2', 'elem3'],
                'key',
                'right',
                2,
                ['key' => ['elem1', 'elem2']],
                ['elem3'],
            ],
            'with empty list' => [
                ['key', 'elem1', 'elem2', 'elem3'],
                'key2',
                'right',
                2,
                null,
                [],
            ],
        ];
    }
}