<?php

/*
 * This file is part of the Predis package.
 *
 * (c) 2009-2020 Daniele Alessandri
 * (c) 2021-2023 Till Krüss
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Predis\Command\Redis;

use Predis\Command\PrefixableCommand;

/**
 * @group commands
 * @group realm-scripting
 */
class EVAL_Test extends PredisCommandTestCase
{
    /**
     * {@inheritdoc}
     */
    protected function getExpectedCommand(): string
    {
        return 'Predis\Command\Redis\EVAL_';
    }

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

    /**
     * @group disconnected
     */
    public function testFilterArguments(): void
    {
        $arguments = ['return redis.call("SET", KEYS[1], ARGV[1])', 1, 'foo', 'bar'];
        $expected = ['return redis.call("SET", KEYS[1], ARGV[1])', 1, 'foo', 'bar'];

        $command = $this->getCommand();
        $command->setArguments($arguments);

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

    /**
     * @group disconnected
     */
    public function testParseResponse(): void
    {
        $this->assertSame('bar', $this->getCommand()->parseResponse('bar'));
    }

    /**
     * @group disconnected
     */
    public function testPrefixKeys(): void
    {
        /** @var PrefixableCommand $command */
        $command = $this->getCommand();
        $actualArguments = ['script', 4, 'arg1', 'arg2', 'arg3', 'arg4'];
        $prefix = 'prefix:';
        $expectedArguments = ['script', 4, 'prefix:arg1', 'prefix:arg2', 'prefix:arg3', 'prefix:arg4'];

        $command->setArguments($actualArguments);
        $command->prefixKeys($prefix);

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

    /**
     * @group disconnected
     */
    public function testGetScriptHash(): void
    {
        $command = $this->getCommandWithArgumentsArray([$lua = 'return true', 0]);
        $this->assertSame(sha1($lua), $command->getScriptHash());
    }

    /**
     * @group connected
     * @requiresRedisVersion >= 2.6.0
     */
    public function testExecutesSpecifiedLuaScript(): void
    {
        $redis = $this->getClient();

        $lua = 'return {KEYS[1],KEYS[2],ARGV[1],ARGV[2]}';
        $result = ['foo', 'hoge', 'bar', 'piyo'];

        $this->assertSame($result, $redis->eval($lua, 2, 'foo', 'hoge', 'bar', 'piyo'));
    }

    /**
     * @group connected
     * @requiresRedisVersion >= 6.0.0
     */
    public function testExecutesSpecifiedLuaScriptResp3(): void
    {
        $redis = $this->getResp3Client();

        $lua = 'return {KEYS[1],KEYS[2],ARGV[1],ARGV[2]}';
        $result = ['foo', 'hoge', 'bar', 'piyo'];

        $this->assertSame($result, $redis->eval($lua, 2, 'foo', 'hoge', 'bar', 'piyo'));
    }

    /**
     * @group connected
     * @requiresRedisVersion >= 2.6.0
     */
    public function testThrowsExceptionOnWrongNumberOfKeys(): void
    {
        $this->expectException('Predis\Response\ServerException');

        $redis = $this->getClient();
        $lua = 'return {KEYS[1],KEYS[2],ARGV[1],ARGV[2]}';

        $redis->eval($lua, 3, 'foo', 'hoge');
    }

    /**
     * @group connected
     * @requiresRedisVersion >= 2.6.0
     */
    public function testThrowsExceptionOnInvalidScript(): void
    {
        $this->expectException('Predis\Response\ServerException');

        $redis = $this->getClient();

        $redis->eval('invalid', 0);
    }
}