package device

import (
	"src.dualinventive.com/go/dinet/rpc"
)

// Device contains the different class fields and device type
type Device struct {
	Type         string
	SensorFields map[uint16]*FieldInfo
	NotifyFields map[uint16]*FieldInfo
	// action
	// config
}

// FieldInfo returns the information about a specific device class field
func (d *Device) FieldInfo(class rpc.Class, uid uint16) (*FieldInfo, error) {
	if d == nil {
		return nil, ErrNoDevice
	}

	var m map[uint16]*FieldInfo
	switch class {
	case rpc.ClassSensor:
		m = d.SensorFields
	case rpc.ClassNotify:
		m = d.NotifyFields
	default:
		return nil, ErrInvalidClass
	}
	if c, ok := m[uid]; ok {
		return c, nil
	}
	return nil, ErrNotFound
}