PayMaya/PayMaya-Node-SDK

module.exports = HttpConnection;

var request = require('requestretry');
var HttpConfig = require("./HttpConfig");
var PaymayaApiError = require("./PaymayaApiError");

function HttpConnection(httpConfig) {
    this._httpConfig = httpConfig;
}

HttpConnection.prototype = {

    /* PUBLIC FUNCTIONS */
    execute: function(data, callback) {
        var httpOptions = {
          url: this._httpConfig.getUrl(),
          method: this._httpConfig.getMethod(),
          headers: this._httpConfig.getHeaders(),
          maxAttempts: this._httpConfig.getMaximumRequestAttempt()
        };

        if(data) {
          httpOptions['body'] = JSON.stringify(data);
        }

        request(httpOptions, function(err, response, body) {
          if(err) {
            return callback(err);
          }

          if(!body && response.statusCode >= 400) {
            var paymayaApiError1 = new PaymayaApiError(response.statusCode);
            return callback(paymayaApiError1.message);
          }

          if(typeof body !== 'object') {
            body = JSON.parse(body);
          }

          if(body.error) {
            var paymayaApiError2 = new PaymayaApiError(response.statusCode, body.error);
            return callback(paymayaApiError2.message);
          }

          if(body.message && response.statusCode !== 200) {
              return callback(body.message);
          }

          callback(null, body);
        });
    }
};