package main

import (
	"fmt"
	"time"

	"git.uploadfilter24.eu/covidnetes/k8s-cilium-node-label/internal/utils"

	"git.uploadfilter24.eu/covidnetes/k8s-cilium-node-label/internal"
	log "github.com/sirupsen/logrus"
)

func main() {

	cfg, err := internal.GenConfig()
	utils.ConfigureLogger(cfg)

	if err != nil {
		log.WithFields(log.Fields{
			"Caller": "Main",
		}).Fatal(fmt.Sprintf("Error generating Config: %s", err.Error()))
	}

	go func() {
		log.WithFields(log.Fields{
			"Caller": "Main",
		}).Info("Starting Health Endpoint")
		internal.StartHealthEndpoint()
	}()

	log.WithFields(log.Fields{
		"Caller": "Main",
	}).Info("Entering main event loop")

	for {
		leases, err := internal.GetCiliumL2Leases()
		if err != nil {
			log.WithFields(log.Fields{
				"Caller": "Main",
			}).Errorf("Error getting Cilium L2 leases: %s", err.Error())
		}
		for lease := range leases {
			// We should probably group here as there may be multiple leases per node
			node, err := internal.GetNodeNameFromLease(leases[lease])
			if err != nil {
				log.WithFields(log.Fields{
					"Caller": "Main",
				}).Errorf("Error getting node name from Cilium L2 lease: %s", err.Error())
			}
			if cfg.DryRun {
				log.WithFields(log.Fields{
					"Caller": "Main",
				}).Info(fmt.Sprintf("Dry run enabled, would label node %s with %s=true", node, cfg.CiliumLabel))
			} else {
				err := internal.LabelNode(node, leases[lease].Name, cfg)
				if err != nil {
					log.WithFields(log.Fields{
						"Caller": "Main",
					}).Error(fmt.Sprintf("Error labeling node: %s", err.Error()))
				}
			}
		}
		time.Sleep(5 * time.Minute)
	}
}