// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
// All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package taskManager

import (
	"time"

	"github.com/ClusterCockpit/cc-backend/pkg/archive"
	"github.com/ClusterCockpit/cc-backend/pkg/log"
	"github.com/ClusterCockpit/cc-backend/pkg/schema"
	"github.com/go-co-op/gocron/v2"
)

func RegisterRetentionService(cfg schema.Retention) {
	switch cfg.Policy {
	case "delete":

		log.Info("Register retention delete service")

		s.NewJob(gocron.DailyJob(1, gocron.NewAtTimes(gocron.NewAtTime(04, 0, 0))),
			gocron.NewTask(
				func() {
					startTime := time.Now().Unix() - int64(cfg.Age*24*3600)
					jobs, err := jobRepo.FindJobsBetween(0, startTime)
					if err != nil {
						log.Warnf("Error while looking for retention jobs: %s", err.Error())
					}
					archive.GetHandle().CleanUp(jobs)

					if cfg.IncludeDB {
						cnt, err := jobRepo.DeleteJobsBefore(startTime)
						if err != nil {
							log.Errorf("Error while deleting retention jobs from db: %s", err.Error())
						} else {
							log.Infof("Retention: Removed %d jobs from db", cnt)
						}
						if err = jobRepo.Optimize(); err != nil {
							log.Errorf("Error occured in db optimization: %s", err.Error())
						}
					}
				}))
	case "move":
		log.Info("Register retention move service")

		s.NewJob(gocron.DailyJob(1, gocron.NewAtTimes(gocron.NewAtTime(04, 0, 0))),
			gocron.NewTask(
				func() {
					startTime := time.Now().Unix() - int64(cfg.Age*24*3600)
					jobs, err := jobRepo.FindJobsBetween(0, startTime)
					if err != nil {
						log.Warnf("Error while looking for retention jobs: %s", err.Error())
					}
					archive.GetHandle().Move(jobs, cfg.Location)

					if cfg.IncludeDB {
						cnt, err := jobRepo.DeleteJobsBefore(startTime)
						if err != nil {
							log.Errorf("Error while deleting retention jobs from db: %v", err)
						} else {
							log.Infof("Retention: Removed %d jobs from db", cnt)
						}
						if err = jobRepo.Optimize(); err != nil {
							log.Errorf("Error occured in db optimization: %v", err)
						}
					}
				}))
	}
}