package channels

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

// Filter for searching
type Filter struct {
	Logged       *bool  `json:"logged"`
	EventName    string `json:"eventName"`
	LocationName string `json:"locationName"`
}

// List finds channels, if logged is true it will be limited to logged
// channels
func List(filter *Filter) ([]models.Channel, error) {
	query := bson.M{}

	if filter != nil {
		if filter.Logged != nil {
			query["logged"] = *filter.Logged
		}
		if filter.EventName != "" {
			query["eventName"] = filter.EventName
		}
		if filter.LocationName != "" {
			query["locationName"] = filter.LocationName
		}
	}

	channels := make([]models.Channel, 0, 128)
	err := collection.Find(query).Sort("_id").All(&channels)

	return channels, err
}

// ListNames finds channels by the names provided
func ListNames(names ...string) ([]models.Channel, error) {
	query := bson.M{"_id": bson.M{"$in": names}}

	channels := make([]models.Channel, 0, 32)
	err := collection.Find(query).All(&channels)

	return channels, err
}