#!/usr/bin/env php
<?php

/*
 * This script assumes you're in a Laravel project that has access
 * to the Str, Collection and Symfony's Process class.
 */
require_once 'vendor/autoload.php';

/**
 * Lists PHPunit tests in the following format:
 *  - Tests\Support\UuidTest::it_can_create_a_uuid_from_a_string
 *  - Tests\Support\UuidTest::it_can_not_create_a_uuid_from_null
 *  - ...
 */
$process = new \Symfony\Component\Process\Process(['./vendor/bin/phpunit', '--list-tests']);
$process->mustRun();

$tests = \Illuminate\Support\Str::of($process->getOutput())
    ->explode("\n") // Break the output from new lines into an array
    ->filter(fn (string $test) => str_contains($test, ' - ')) // Only lines with " - "
    ->map(fn (string $test) => addslashes(
        \Illuminate\Support\Str::of($test)
            ->replace('- ', '') // Strip the "- "
            ->trim()
            ->explode('::') // Only the class, not the method
            ->get(0)
    ))
    ->filter(fn (string $test) => !empty($test)) // Make sure there are no empty lines
    ->unique() // We only need unique classes
    ->split((int) getenv('CI_NODE_TOTAL')) // Split it into equally sized chunks
    ->get((int) getenv('CI_NODE_INDEX')); // Get the index we need for this instance

/**
 * Run phpunit with a filter:
 * phpunit --filter 'TestClass|AnotherTestClass|...'
 */
$process = new \Symfony\Component\Process\Process(['./vendor/bin/phpunit', '--testdox', '--filter', $tests->join('|')], timeout: null);
$process->start();

// Make sure we have live data output
foreach ($process as $type => $data) {
    echo $data;
}

$process->wait();

// Exit using PHPUnit's exit code to have the action pass/fail
exit($process->getExitCode());