package models

import "strconv"

type Event struct {
	Name    string            `json:"name"`
	Payload map[string]string `json:"payload,omitempty"`
}

func (e *Event) AddPayload(key, value string) {
	if e.Payload == nil {
		e.Payload = make(map[string]string, 8)
	}

	e.Payload[key] = value
}

func (e *Event) HasPayload(key string) bool {
	return e.Payload != nil && e.Payload[key] != ""
}

var (
	ENBridgeConnected       = "BridgeConnected"
	ENBridgeDisconnected    = "BridgeDisconnected"
	ENButtonPressed         = "ButtonPressed"
	ENSensorPresenceStarted = "SensorPresenceStarted"
	ENSensorPresenceEnded   = "SensorPresenceEnded"
	ENSensorTemperature     = "SensorTemperature"
)

func BridgeConnectedEvent(bridge Bridge) Event {
	e := Event{Name: ENBridgeConnected}
	e.AddPayload("bridgeId", strconv.Itoa(bridge.ID))

	return e
}

func BridgeDisconnectedEvent(bridge Bridge) Event {
	e := Event{Name: ENBridgeDisconnected}
	e.AddPayload("bridgeId", strconv.Itoa(bridge.ID))

	return e
}