<?php
declare(strict_types=1);
use function Flow\ETL\DSL\{bool_schema, data_frame, from_array, int_schema, schema, str_schema, to_stream};
use Flow\ETL\Loader\StreamLoader\Output;
use Flow\ETL\Row\Schema\Metadata;
require __DIR__ . '/../../../autoload.php';
$schema = schema(
int_schema('id', $nullable = false),
str_schema('name', $nullable = true),
bool_schema('active', $nullable = false, Metadata::empty()->add('key', 'value')),
);
data_frame()
->read(from_array([
['id' => 1, 'name' => 'Product 1', 'active' => true],
['id' => 2, 'name' => 'Product 2', 'active' => false],
['id' => 3, 'name' => 'Product 3', 'active' => true],
]))
->validate($schema)
->collect()
->write(to_stream(__DIR__ . '/output.txt', truncate: false, output: Output::rows_and_schema))
->run();
