package channels

import (
	"errors"
	"strings"

	"git.aiterp.net/rpdata/api/models"
)

// ErrInvalidName is an error for an invalid channel name.
var ErrInvalidName = errors.New("Invalid channel name")

// Add creates a new channel.
func Add(name string, logged, hub bool, event, location string) (*models.Channel, error) {
	if len(name) < 3 && !strings.HasPrefix(name, "#") {
		return nil, ErrInvalidName
	}

	channel := models.Channel{
		Name:         name,
		Logged:       logged,
		Hub:          hub,
		EventName:    event,
		LocationName: location,
	}

	err := collection.Insert(channel)
	if err != nil {
		return nil, err
	}

	return &channel, nil
}