"encoding/json"

// apiCallParams is a map with the parameters for an API call

type apiCallParams map[string]string

// prepareRequest inserts all pre-defined stuff

func (g *Client) prepareRequest(target string, method rest.Method, params apiCallParams) (req rest.Request) {

	endPoint := g.APIBase + "/" + target

	// Request headers

		Method:      method,

		QueryParams: params,

// apiCall makes a call to the Mastodon API server

func (g *Client) apiCall(endPoint string, method rest.Method, params apiCallParams, data interface{}) error {

	// Prepare query

	req := g.prepareRequest(endPoint, method, params)

	// Make API call

	r, err := rest.API(req)

	if err != nil {

		return fmt.Errorf("API query (%s) failed: %s", endPoint, err.Error())

	}

	// Check for error reply

	var errorResult Error

	if err := json.Unmarshal([]byte(r.Body), &errorResult); err == nil {

		// The empty object is not an error

		if errorResult.Text != "" {

			return fmt.Errorf("%s", errorResult.Text)

		}

	}

	// Not an error reply; let's unmarshal the data

	err = json.Unmarshal([]byte(r.Body), &data)

	if err != nil {

		return fmt.Errorf("cannot decode API response (%s): %s", method, err.Error())

	}

	return nil

}