package influxdb

import (
	"git.loafle.net/commons/logging-go"
	occe "git.loafle.net/overflow/commons-go/config/external"
	"github.com/influxdata/influxdb/client/v2"
)

var (
	clients     map[string]client.Client
	batchPoints map[string]client.BatchPoints
)

func InitPackage(config *occe.InfluxDB) {
	if nil == config {
		return
	}

	if nil != config.ClientConfigs && 0 < len(config.ClientConfigs) {
		clients = make(map[string]client.Client)
		for n, c := range config.ClientConfigs {
			switch c.ClientType {
			case "http":
				hc := client.HTTPConfig{
					Addr:      c.Address,
					Username:  c.Username,
					Password:  c.Password,
					UserAgent: c.UserAgent,
					Timeout:   c.Timeout,
				}
				clnt, err := client.NewHTTPClient(hc)
				if nil != err {
					logging.Logger().Errorf("%v", err)
					return
				}
				clients[n] = clnt
			case "udp":
				uc := client.UDPConfig{
					Addr:        c.Address,
					PayloadSize: c.PayloadSize,
				}
				clnt, err := client.NewUDPClient(uc)
				if nil != err {
					logging.Logger().Errorf("%v", err)
					return
				}
				clients[n] = clnt
			default:
				logging.Logger().Errorf("Not Supported InfluxDB Client Type[%s]", c.ClientType)
				return
			}
		}
	}

	if nil != config.BatchPointsConfigs && 0 < len(config.BatchPointsConfigs) {
		batchPoints = make(map[string]client.BatchPoints)
		for n, c := range config.BatchPointsConfigs {
			bc := client.BatchPointsConfig{
				Precision:        c.Precision,
				Database:         c.Database,
				RetentionPolicy:  c.RetentionPolicy,
				WriteConsistency: c.WriteConsistency,
			}
			bp, err := client.NewBatchPoints(bc)
			if nil != err {
				logging.Logger().Errorf("%v", err)
				return
			}
			batchPoints[n] = bp
		}
	}
}

func StartPackage(config *occe.InfluxDB) {
	if nil == config {
		return
	}

}

func StopPackage(config *occe.InfluxDB) {
	if nil == config {
		return
	}

}

func DestroyPackage(config *occe.InfluxDB) {
	if nil == config {
		return
	}

	for _, c := range clients {
		if err := c.Close(); nil != err {
			logging.Logger().Errorf("%v", err)
		}
	}
}

func ClientFor(name string) client.Client {
	if nil == clients {
		return nil
	}
	return clients[name]
}

func BatchPointsFor(name string) client.BatchPoints {
	if nil == batchPoints {
		return nil
	}
	return batchPoints[name]
}