<?php

namespace WPFormsSendinblue\Api;

/**
 * Class Client creates connections between addon and the Sendinblue API.
 *
 * @since 1.0.0
 */
class Client {

	/**
	 * Authentication HTTP header name for a tracker API.
	 *
	 * @since 1.0.0
	 *
	 * @var string
	 */
	const TRACKER_HEADER_AUTH_KEY = 'ma-key';

	/**
	 * Authentication HTTP header name.
	 *
	 * @since 1.0.0
	 *
	 * @var string
	 */
	const HEADER_AUTH_KEY = 'api-key';

	/**
	 * URL for the Sendinblue API.
	 *
	 * @since 1.0.0
	 *
	 * @var string
	 */
	const API_URL = 'https://api.sendinblue.com';

	/**
	 * URL for the Tracker API.
	 *
	 * @since 1.0.0
	 *
	 * @var string
	 */
	const TRACKER_API_URL = 'https://in-automate.sendinblue.com/api';

	/**
	 * URL prefix for the Sendinblue API.
	 *
	 * @since 1.0.0
	 */
	const API_VERSION_URL = '/v3';

	/**
	 * URL prefix for the Tracker API.
	 *
	 * @since 1.0.0
	 */
	const TRACKER_API_VERSION_URL = '/v2';

	/**
	 * Create a new connection.
	 *
	 * @since 1.0.0
	 *
	 * @param string $api_key API key.
	 *
	 * @return Connection
	 */
	public function new_connection( $api_key ) {

		return new Connection(
			new Http\Request(
				$this->get_url(),
				[
					'headers' => [
						self::HEADER_AUTH_KEY => $api_key,
						'Accept'              => 'application/json',
						'Content-Type'        => 'application/json',
					],
				]
			)
		);
	}

	/**
	 * Create a new tracker connection.
	 *
	 * @since 1.0.0
	 *
	 * @param string $ma_key Marketing Automation key (the special key that you can get from account endpoint).
	 *
	 * @return Connection
	 */
	public function new_tracker_connection( $ma_key ) {

		return new Connection(
			new Http\Request(
				$this->get_tracker_url(),
				[
					'headers' => [
						self::TRACKER_HEADER_AUTH_KEY => $ma_key,
						'Accept'                      => 'application/json',
						'Content-Type'                => 'application/json',
					],
				]
			)
		);
	}

	/**
	 * Retrieve an API URL with an API version.
	 *
	 * @since 1.0.0
	 *
	 * @return string
	 */
	public function get_url() {

		return rtrim( self::API_URL, '/' ) . self::API_VERSION_URL;
	}

	/**
	 * Retrieve an API URL with an API version.
	 *
	 * @since 1.0.0
	 *
	 * @return string
	 */
	public function get_tracker_url() {

		return rtrim( self::TRACKER_API_URL, '/' ) . self::TRACKER_API_VERSION_URL;
	}
}