<?php
/**
 * Class Request
 *
 * Performs a request to the Smash Balloon Twitter API.
 *
 * @since 2.1
 */
namespace TwitterFeed\SmashTwitter;

class Request
{
	protected $endpoint;

	protected $term;

	protected $args;

	protected $auth_token;

	protected $license;

	protected $error_code;

	protected $error_message;

	public function __construct($endpoint, $term, $args = array(), $auth_token = false)
	{
		$this->endpoint = $endpoint;

		$this->term = $term;

		$this->args = $args;

		$this->auth_token = $auth_token;
	}

	public function fetch()
	{
		$headers = array(
			'Accept' => 'application/json',
			'Content-Type' => 'application/json'
		);

		if ($this->auth_token) {
			$headers['Authorization'] = 'Bearer ' . $this->auth_token;
		}

		$this->args['headers'] = $headers;

		$endpoint_relative_url = '';
		$method = 'post';
		$this->args['method']  = 'POST';
		if ( empty( $this->args['timeout'] ) ) {
			$this->args['timeout']  = 20;
		}

		if ( $this->endpoint === 'usertimeline' ) {
			$method = 'get';
			$this->args['method']  = 'GET';
			$endpoint_relative_url = SMASH_TWITTER_TIMELINE_PATH . '?tweet_mode=extended&screen_name=' . urlencode( trim( $this->term ) ) . '&user_type=licenseless';
		} elseif ( $this->endpoint === 'register' ) {
			$endpoint_relative_url = '1.1/auth/register';
		} elseif ( $this->endpoint === 'license' ) {
			$endpoint_relative_url = '1.1/auth/license';
		}

		$endpoint_url = SMASH_TWITTER_URL . $endpoint_relative_url . SMASH_TWITTER_URL_EXTRA_GET_PARAMS;

		$args = $this->args;


		if ( $method === 'get' ) {
			$return = wp_remote_get( $endpoint_url, $args );
		} else {
			$return = wp_remote_post( $endpoint_url, $args );
		}

		if ( is_wp_error( $return ) ) {
			return $return;
		}

		$response_code = wp_remote_retrieve_response_code( $return );
		if ( $response_code >= 200 && $response_code < 300 ) {
			if ( isset( $return['body'] )) {
				$body = $return['body'];
				$decoded = json_decode( $body, true );


				if ( $decoded ) {
					return $decoded;
				}
			}
		} else {
			if ( isset( $return['body'] )) {
				$this->error_code = $response_code;
				$this->error_message = $return['body'];
			}
		}



		return $return;
	}

	public function get_error() {
		if ( empty( $this->error_code ) ) {
			return array();
		}

		return array(
			'code' => $this->error_code,
			'message' => $this->error_message
		);
	}
}