package stations

import (
	"fmt"
	"time"

	"git.fjla.uk/owlboard/timetable-mgr/dbAccess"
	"git.fjla.uk/owlboard/timetable-mgr/log"
	"go.uber.org/zap"
)

func Check() {
	oldMetadata, err := dbAccess.GetStationsMetadata()
	if err != nil {
		log.Error("Error reading Stations metadata", zap.Error(err))
	}
	if oldMetadata == nil {
		log.Info("No old metadata for stations, rebuilding")
	} else {
		timeSinceLastUpdate := time.Since(oldMetadata.LastUpdate)
		if timeSinceLastUpdate <= time.Hour*24*7 {
			log.Info("Stations update not required")
			return
		}
	}

	ok := run()
	if !ok {
		log.Error("Error updating Stations data")
	}
}

func run() bool {
	// Download
	data, data2, err := download()
	if err != nil {
		fmt.Println(err)
		return false
	}

	// Parse
	stations, err := parseData(data, data2)
	if err != nil {
		fmt.Println(err)
		return false
	}

	// Drop
	dbAccess.DropCollection("stations")

	// Push
	dbAccess.PutManyNewStations(&stations)

	return true
}