#!/usr/bin/env php
<?php
/**
 * JSON/BSON encoding and decoding benchmark
 *
 * Now with native serializing!
 *
 * @copyright   2013 Trevor N Suarez
 * @link        http://blennd.com/
 * @author      Trevor Suarez <rican7@gmail.com>
 * @author      Simon Dann <simon@photogabble.co.uk>
 * @license     MIT
 */



// Valid test types
$test_types = [
    'json',
    'bson',
    'native',
    'messagepack',
    'igbinary'
];

// Get our options
$options = getopt('n:t:');

// Get our args and set defaults
$iterations = isset($options['n']) ? (int) $options['n'] : 20000;
$test_type  = strtolower(isset($options['t']) ? $options['t'] : $test_types[0]);

// Validate test type
if (!in_array($test_type, $test_types)) {
    echo 'Please choose a valid test.'. PHP_EOL.PHP_EOL;
    echo '  Valid test types: '. PHP_EOL;

    foreach ($test_types as $type) {
        echo '   - '. $type .PHP_EOL;
    }

    exit();
}

// Figure out the functions to use
if ($test_type === 'native') {
    $encode_function = 'serialize';
    $decode_function = 'unserialize';
} elseif($test_type === 'messagepack') {
    $encode_function = 'msgpack_pack';
    $decode_function = 'msgpack_unpack';
} elseif($test_type === 'igbinary') {
    $encode_function = 'igbinary_serialize';
    $decode_function = 'igbinary_unserialize';
} else {
    $encode_function = $test_type . '_encode';
    $decode_function = $test_type . '_decode';
}

$test_data = [
    'meta' => [
        'status_code' => 200,
        'status' => 'OK',
        'message' => '',
        'more_info' => [
        ],
    ],
    'data' => [
        [
            'id' => 4,
            'first_name' => 'Test',
            'last_name' => 'User',
            'access_level' => 100,
            'created_at' => 'Mon, 26 Aug 2013 20:54:29 +0000',
            'updated_at' => 'Mon, 26 Aug 2013 20:54:29 +0000',
        ],
        [
            'id' => 3,
            'first_name' => 'Testing',
            'last_name' => 'Suarez',
            'access_level' => 100,
            'created_at' => 'Mon, 12 Aug 2013 14:12:48 +0000',
            'updated_at' => 'Mon, 12 Aug 2013 14:13:53 +0000',
        ],
        [
            'id' => 2,
            'first_name' => 'Jake',
            'last_name' => 'Suarez',
            'access_level' => 100,
            'created_at' => 'Mon, 12 Aug 2013 14:12:44 +0000',
            'updated_at' => 'Mon, 12 Aug 2013 14:13:53 +0000',
        ],
        [
            'id' => 1,
            'first_name' => 'Trevor',
            'last_name' => 'Suarez',
            'access_level' => 1000,
            'created_at' => 'Mon, 12 Aug 2013 14:12:40 +0000',
            'updated_at' => 'Thu, 29 Aug 2013 16:18:41 +0000',
        ],
    ],
    'paging' => [
        'page' => 1,
        'per_page' => 10,
        'order_descending' => true,
        'resources' => [
        ],
    ],
];

// Print benchmark info
echo 'Running benchmark for...'. PHP_EOL;
echo '  '. $test_type. PHP_EOL;
echo '  '. $iterations .' times'. PHP_EOL.PHP_EOL;

// Start timer
$pre_test_timer = microtime(true);

for ($i = 0; $i < $iterations; $i++) {
    $encoded = $encode_function($test_data);
}

$post_encode_time = microtime(true);

for ($j = 0; $j < $iterations; $j++) {
    $decoded = $decode_function($encoded);
}

$post_decode_time = microtime(true);

// Print report
echo 'Test completed!!'. PHP_EOL;
echo '  Encoding time: '. ($post_encode_time - $pre_test_timer). PHP_EOL;
echo '  Decoding time: '. ($post_decode_time - $post_encode_time). PHP_EOL;
echo '  Total time:    '. ($post_decode_time - $pre_test_timer). PHP_EOL;
echo '  Encoded size:  '. (strlen($encoded)). ' bytes'. PHP_EOL;
echo PHP_EOL;