package log

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

var unknownConnection *mgo.Collection

// An UnknownNick is a nick found by the character list updater that
// does not exist. The score is the number of logs that nick was in, meaning
// nicks with a higher score should be a high priority to be matched with
// a character.
type UnknownNick struct {
	Nick  string `bson:"_id" json:"nick"`
	Score int    `bson:"score" json:"score"`
}

// UnknownNicks gets all the unknown nicks from the last search.
func UnknownNicks() ([]UnknownNick, error) {
	nicks := make([]UnknownNick, 0, 256)
	err := unknownConnection.Find(bson.M{}).Sort("-score").All(&nicks)

	return nicks, err
}

func addUnknownNick(nick string) error {
	_, err := unknownConnection.UpsertId(nick, bson.M{"$inc": bson.M{"score": 1}})
	return err
}

func clearUnknownNicks() error {
	_, err := unknownConnection.RemoveAll(bson.M{})
	return err
}

func init() {
	store.HandleInit(func(db *mgo.Database) {
		unknownConnection = db.C("logbot3.unknown_nicks")
	})
}