// Create method creates an alert at OpsGenie.
func (cli *OpsGenieAlertClient) Create(req alerts.CreateAlertRequest) (*alerts.CreateAlertResponse, error) {
	req.APIKey = cli.apiKey
	resp, err := cli.sendRequest(cli.buildPostRequest(createAlertURL, req))

	if resp == nil {
		return nil, err
	}
	defer resp.Body.Close()

	var createAlertResp alerts.CreateAlertResponse

	if err = resp.Body.FromJsonTo(&createAlertResp); err != nil {
		message := "Server response can not be parsed, " + err.Error()
		logging.Logger().Warn(message)
		return nil, errors.New(message)
	}
	return &createAlertResp, nil
}
func (cli *OpsGenieAlertClient) Create(req alerts.CreateAlertRequest) (*alerts.CreateAlertResponse, error) {
	req.ApiKey = cli.apiKey
	// validate the mandatory parameters: apiKey, message
	if req.ApiKey == "" {
		return nil, errors.New("ApiKey is a mandatory field and can not be empty.")
	}
	if req.Message == "" {
		return nil, errors.New("Message is a mandatory field and can not be empty.")
	}
	// send the request
	var resp *goreq.Response
	var err error
	for i := 0; i < cli.retries; i++ {
		resp, err = cli.buildRequest("POST", CREATE_ALERT_URL, req).Do()
		if err == nil {
			break
		}
		// sleep for a second
		time.Sleep(TIME_SLEEP_BETWEEN_REQUESTS)
	}
	if err != nil {
		return nil, errors.New("Could not create the alert: a problem occured while sending the request.")
	}
	// check the returning HTTP status code
	httpStatusCode := resp.StatusCode
	if httpStatusCode >= 400 && httpStatusCode < 500 {
		return nil, errors.New(fmt.Sprintf("Client error %d returned.", httpStatusCode))
	}
	if httpStatusCode >= 500 {
		return nil, errors.New(fmt.Sprintf("Server error %d returned.", httpStatusCode))
	}
	var createAlertResp alerts.CreateAlertResponse
	// check if the response can be unmarshalled
	if err = resp.Body.FromJsonTo(&createAlertResp); err != nil {
		return nil, errors.New("Server response can not be parsed")
	}
	return &createAlertResp, nil
}
// CreateAlertAction creates an alert at OpsGenie.
func CreateAlertAction(c *gcli.Context) {
	cli, err := NewAlertClient(c)
	if err != nil {
		os.Exit(1)
	}
	req := alerts.CreateAlertRequest{}

	if val, success := getVal("message", c); success {
		req.Message = val
	}
	if val, success := getVal("teams", c); success {
		req.Teams = strings.Split(val, ",")
	}
	if val, success := getVal("recipients", c); success {
		req.Recipients = strings.Split(val, ",")
	}
	if val, success := getVal("alias", c); success {
		req.Alias = val
	}
	if val, success := getVal("actions", c); success {
		req.Actions = strings.Split(val, ",")
	}
	if val, success := getVal("source", c); success {
		req.Source = val
	}
	if val, success := getVal("tags", c); success {
		req.Tags = strings.Split(val, ",")
	}
	if val, success := getVal("description", c); success {
		req.Description = val
	}
	if val, success := getVal("entity", c); success {
		req.Entity = val
	}
	req.User = grabUsername(c)
	if val, success := getVal("note", c); success {
		req.Note = val
	}
	if c.IsSet("D") {
		req.Details = extractDetailsFromCommand(c)
	}

	printVerboseMessage("Create alert request prepared from flags, sending request to OpsGenie..")

	resp, err := cli.Create(req)
	if err != nil {
		fmt.Printf("%s\n", err.Error())
		os.Exit(1)
	}
	printVerboseMessage("Alert created successfully.")
	fmt.Printf("alertId=%s\n", resp.AlertID)
}