<?php

class ApiMonitor {

private $endpoints = [];

private $dryRun = true; // Enable dry-run mode by default

public function __construct(array $endpoints) {

$this->endpoints = $endpoints;

}

public function setDryRun(bool $dryRun): void {

$this->dryRun = $dryRun;

}

public function monitorEndpoints(): void {

foreach ($this->endpoints as $endpoint) {

$this->checkEndpoint($endpoint);

}

}

private function checkEndpoint(array $endpoint): void {

$url = $endpoint['url'];

$method = $endpoint['method'] ?? 'GET'; // Default to GET if method is not specified

$expectedStatusCode = $endpoint['statusCode'];

$interval = $endpoint['interval'] ?? 60; // Default interval is 60 seconds

while (true) {

$startTime = time();

$response = $this->makeApiCall($url, $method);

$endTime = time();

$executionTime = $endTime - $startTime;

if ($this->dryRun) {

echo "DRY RUN: Checking $url ($method) - Status Code: " . $response['statusCode'] . ", Execution Time: " . $executionTime . "s\n";

} else {

if ($response['statusCode'] == $expectedStatusCode) {

echo "OK: $url ($method) - Status Code: " . $response['statusCode'] . ", Execution Time: " . $executionTime . "s\n";

} else {

echo "ERROR: $url ($method) - Status Code: " . $response['statusCode'] . ", Expected: " . $expectedStatusCode . ", Execution Time: " . $executionTime . "s\n";

}

}

sleep($interval);

}

}

private function makeApiCall(string $url, string $method): array {

$ch = curl_init($url);

curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

curl_setopt($ch, CURLOPT_HTTPHEADER, [

'Content-Type: application/json', // Example header

]);

if ($method === 'POST') {

curl_setopt($ch, CURLOPT_POST, 1);

// Add data here if needed

}

$response = curl_exec($ch);

$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);

$curlError = curl_error($ch);

curl_close($ch);

if ($curlError) {

throw new Exception("cURL error: " . $curlError);

}

return ['statusCode' => $httpCode, 'response' => $response];

}

}