package extract

import (
	"os"

	log "github.com/sirupsen/logrus"
	"github.com/tealeg/xlsx"
)

func (e Extractor) ExtractAux(auxfile, xlsxfile string) error {
	if err := createAuxXlxs(xlsxfile); err != nil {
		return err
	}

	wb, err := xlsx.OpenFile(xlsxfile)
	if err != nil {
		panic(err)
	}

	sh := wb.Sheets[0]

	data, err := os.ReadFile(auxfile)
	if err != nil {
		log.Println("read aux data from", auxfile, "error:", err.Error())
		return err
	}

	for i := 0; i < len(data); i += 24 + 128 + 512 {
		row := sh.AddRow()

		var head AuxFrameHead
		head.Decode(data[i : i+24])
		head.SaveXlsx(row)

		var box AuxFocalBox
		box.Decode(data[i+24 : i+24+128])
		box.SaveXlsx(row)

		var plat AuxPlatform
		plat.Decode(data[i+24+128 : i+24+128+512])
		box.SaveXlsx(row)
	}

	return nil
}