package channels

import (
	"git.aiterp.net/rpdata/api/models"
	"github.com/globalsign/mgo/bson"
)

// Edit edits a channels
func Edit(channel models.Channel, logged, hub *bool, eventName, locationName *string) (*models.Channel, error) {
	mutation := bson.M{}

	if logged != nil && *logged != channel.Logged {
		mutation["logged"] = *logged
		channel.Logged = *logged
	}
	if hub != nil && *hub != channel.Hub {
		mutation["hub"] = *hub
		channel.Hub = *hub
	}
	if eventName != nil && *eventName != channel.EventName {
		mutation["eventName"] = *eventName
		channel.EventName = *eventName
	}
	if locationName != nil && *locationName != channel.LocationName {
		mutation["locationName"] = *locationName
		channel.LocationName = *locationName
	}

	if len(mutation) == 0 {
		return &channel, nil
	}

	err := collection.UpdateId(channel.Name, bson.M{"$set": mutation})
	if err != nil {
		return nil, err
	}

	return &channel, nil
}