package reach

import (
	"sync"

	"forge.cadoles.com/Pyxis/golang-socketio"
	"github.com/pkg/errors"
)

const (
	eventGetTestResults = "get test results"
	eventTestResults    = "test results"
)

// TestResults are the ReachRS module's test results
//
type TestResults struct {
	Device string `json:"device"`
	Lora   bool   `json:"lora"`
	MPU    bool   `json:"mpu"`
	STC    bool   `json:"stc"`
	UBlox  bool   `json:"u-blox"`
}

// TestResults returns the ReachRS module tests results
func (u *Updater) TestResults() (*TestResults, error) {

	var err error
	var results *TestResults
	var wg sync.WaitGroup

	wg.Add(1)

	err = u.conn.On(eventTestResults, func(h *gosocketio.Channel, res *TestResults) {
		results = res
		u.conn.Off(eventTestResults)
		wg.Done()
	})
	if err != nil {
		return nil, errors.Wrapf(err, "error while binding to '%s' event", eventTestResults)
	}

	u.logf("sending '%s' event", eventGetTestResults)
	if err = u.conn.Emit(eventGetTestResults, nil); err != nil {
		return nil, errors.Wrapf(err, "error while emitting '%s' event", eventGetTestResults)
	}
	u.logf("'%s' event sent", eventGetTestResults)

	wg.Wait()

	return results, err

}