package stations

import (
	"bytes"
	"encoding/xml"
	"fmt"

	"git.fjla.uk/owlboard/go-types/pkg/database"
	"git.fjla.uk/owlboard/go-types/pkg/upstreamApi"
)

// Parses n number of XML byte arrays
func parseData(data ...[]byte) ([]database.Station, error) {
	var stations []upstreamApi.Station
	for _, d := range data {
		parsedStations, err := parseXML(d)
		if err != nil {
			return nil, err
		}
		stations = append(stations, parsedStations...)
	}

	fmt.Println(stations)
	return nil, nil
	// Transform from upstreamApi.Station to database.Station
}

// Parses XML and converts to struct
func parseXML(data []byte) ([]upstreamApi.Station, error) {
	var stationList upstreamApi.StationList

	reader := bytes.NewReader(data)
	decoder := xml.NewDecoder(reader)
	err := decoder.Decode(&stationList)
	if err != nil {
		return nil, fmt.Errorf("error parsing XML: %v", err)
	}

	return stationList.Stations, nil
}