package dataservice

import (
	"context"
	"sync"
	"time"

	"gittea.marcokittel.de/elio/eliotools/datawriter/internal/dbwriter"
	"gittea.marcokittel.de/elio/eliotools/datawriter/internal/event"
	"gittea.marcokittel.de/elio/eliotools/logger"
)

type DataService struct {
	listener []event.EventListener
	log      logger.Logger
}

func (d *DataService) ListenerCount() int {
	return len(d.listener)
}

func (d *DataService) Run(ctx context.Context, wg *sync.WaitGroup) {
	defer wg.Done()
	for {
		select {
		case <-ctx.Done():
			return
		default:
			//Hier nach neuen Dateien suchen
			for _, l := range d.listener {
				err := l.HandleData(ctx, dbwriter.MyStruct{A: "dkl", B: 3})
				if err != nil {
					//todo
				}
			}
			d.log.Info("DataService Run")
			time.Sleep(time.Second * 2)
		}
	}
}

func (d *DataService) AddListener(ev event.EventListener) {
	d.listener = append(d.listener, ev)
}

func NewDataService() *DataService {
	ds := DataService{listener: make([]event.EventListener, 0), log: logger.NewMarcoLogger()}
	return &ds
}