<?php

//
// Outputs a message to CLI, if this script is run from CLI.
//

function echo_to_cli(string $message)
{
	if (php_sapi_name() === 'cli') echo $message;
}

//
// Wrapper class to communicate with Porkbun API.
//

class PorkbunAPI
{
	function __construct(string $config_filename)
	{
		$this->config = json_decode(file_get_contents($config_filename));
		$this->ch = curl_init();
	}

	function __destruct()
	{
		curl_close($this->ch);
	}

	//
	// Test communication with Porkbun API.
	//
	// https://porkbun.com/api/json/v3/documentation#Authentication
	//

	function ping()
	{
		// Create the correct endpoint based on the URL:
		$endpoint = $this->config->url . "ping";

		// Set some cURL options:
		curl_setopt($this->ch, CURLOPT_URL, $endpoint);
		curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt($this->ch, CURLOPT_POST, 1);

		// Tell the server that the request body contains JSON data:
		$headers = array();
		$headers[] = "Content-Type: application/json";
		curl_setopt($this->ch, CURLOPT_HTTPHEADER, $headers);

		// Porkbun API wants to be passed data in JSON format:
		$json = array
		(
			"apikey" => $this->config->apikey,
			"secretapikey" => $this->config->secretapikey
		);

		curl_setopt($this->ch, CURLOPT_POSTFIELDS, json_encode($json));

		// Execute cURL and return the result:
		$result = curl_exec($this->ch);
		if (curl_errno($this->ch))
		{
			echo_to_cli("Error: " . curl_error($this->ch));
			exit;
		}

		return $result;
	}

	//
	// Create a DNS record.
	//
	// https://porkbun.com/api/json/v3/documentation#DNS%20Create%20Record
	//

	function create(string $domain, string $name = "", string $type = "A", string $content = "1.1.1.1", int $ttl = 600)
	{
		// Create the correct endpoint based on the URL:
		$endpoint = $this->config->url . "dns/create/" . $domain;

		// Set some cURL options:
		curl_setopt($this->ch, CURLOPT_URL, $endpoint);
		curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt($this->ch, CURLOPT_POST, 1);

		// Tell the server that the request body contains JSON data:
		$headers = array();
		$headers[] = "Content-Type: application/json";
		curl_setopt($this->ch, CURLOPT_HTTPHEADER, $headers);

		// Porkbun API wants to be passed data in JSON format:
		$json = array
		(
			"apikey" => $this->config->apikey,
			"secretapikey" => $this->config->secretapikey,
			"name" => "$name",
			"type" => "$type",
			"content" => "$content",
			"ttl" => "$ttl"
		);

		curl_setopt($this->ch, CURLOPT_POSTFIELDS, json_encode($json));

		// Execute cURL and return the result:
		$result = curl_exec($this->ch);
		if (curl_errno($this->ch))
		{
			echo_to_cli("Error: " . curl_error($this->ch));
			exit;
		}

		return $result;
	}

	//
	// Edit a DNS record.
	//
	// https://porkbun.com/api/json/v3/documentation#DNS%20Edit%20Record%20by%20Domain%20and%20ID
	//

	function edit(string $domain, string $id, string $content, string $name = "")
	{
		// Create the correct endpoint based on the URL:
		$endpoint = $this->config->url . "dns/edit/" . $domain;
		$endpoint .= "/" . $id;

		// Set some cURL options:
		curl_setopt($this->ch, CURLOPT_URL, $endpoint);
		curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt($this->ch, CURLOPT_POST, 1);

		// Tell the server that the request body contains JSON data:
		$headers = array();
		$headers[] = "Content-Type: application/json";
		curl_setopt($this->ch, CURLOPT_HTTPHEADER, $headers);

		// Porkbun API wants the API key and secret in a JSON structure:
		$json = array
		(
			"apikey" => $this->config->apikey,
			"secretapikey" => $this->config->secretapikey,
			"name" => "$name",
			"type" => "A",
			"content" => "$content"
		);

		curl_setopt($this->ch, CURLOPT_POSTFIELDS, json_encode($json));

		// Execute cURL and return the result:
		$result = curl_exec($this->ch);
		if (curl_errno($this->ch))
		{
			echo_to_cli("Error: " . curl_error($this->ch));
			exit;
		}

		return $result;
	}

	//
	// Retrieve all editable DNS records associated with a domain or a single record for a particular record ID.
	//
	// https://porkbun.com/api/json/v3/documentation#DNS%20Retrieve%20Records%20by%20Domain%20or%20ID
	//

	function retrieve(string $domain, string $id = null)
	{
		// Create the correct endpoint based on the URL:
		$endpoint = $this->config->url . "dns/retrieve/" . $domain;
		if (!is_null($id)) $endpoint .= "/" . $id;

		// Set some cURL options:
		curl_setopt($this->ch, CURLOPT_URL, $endpoint);
		curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt($this->ch, CURLOPT_POST, 1);

		// Tell the server that the request body contains JSON data:
		$headers = array();
		$headers[] = "Content-Type: application/json";
		curl_setopt($this->ch, CURLOPT_HTTPHEADER, $headers);

		// Porkbun API wants the API key and secret in a JSON structure:
		$json = array
		(
			"apikey" => $this->config->apikey,
			"secretapikey" => $this->config->secretapikey
		);

		curl_setopt($this->ch, CURLOPT_POSTFIELDS, json_encode($json));

		// Execute cURL and return the result:
		$result = curl_exec($this->ch);
		if (curl_errno($this->ch))
		{
			echo_to_cli("Error: " . curl_error($this->ch));
			exit;
		}

		return $result;
	}

	//
	// Retrieve all editable DNS records associated with a domain, subdomain and type.v
	//
	// https://porkbun.com/api/json/v3/documentation#DNS%20Retrieve%20Records%20by%20Domain,%20Subdomain%20and%20Type
	//

	function retrieveByNameType(string $domain, string $type, string $subdomain = null)
	{
		// Create the correct endpoint based on the URL:
		$endpoint = $this->config->url . "dns/retrieveByNameType/" . $domain . "/" . $type;
		if (!is_null($subdomain)) $endpoint .= "/" . $subdomain;

		// Set some cURL options:
		curl_setopt($this->ch, CURLOPT_URL, $endpoint);
		curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt($this->ch, CURLOPT_POST, 1);

		// Tell the server that the request body contains JSON data:
		$headers = array();
		$headers[] = "Content-Type: application/json";
		curl_setopt($this->ch, CURLOPT_HTTPHEADER, $headers);

		// Porkbun API wants the API key and secret in a JSON structure:
		$json = array
		(
			"apikey" => $this->config->apikey,
			"secretapikey" => $this->config->secretapikey
		);

		curl_setopt($this->ch, CURLOPT_POSTFIELDS, json_encode($json));

		// Execute cURL and return the result:
		$result = curl_exec($this->ch);
		if (curl_errno($this->ch))
		{
			echo_to_cli("Error: " . curl_error($this->ch));
			exit;
		}

		return $result;
	}
	
	// These properties don't need to be declared as they would be dynamically created when assigned a value:
	private stdClass $config;
	private CurlHandle $ch;
};

?>