package csv_cli_tool

import "fmt"

const defaultOutput = "out"

const defaultInput = "in"

const defaultTrackingFileName = "log.txt"

const defaultHeaderCSV = "header.csv"

const defaultStartRow = -1

const defaultEndRow = -1

func App(headerFile string, input string, outputFolder string, trackingFileName string, startRow int, endRow int) (err error) {

if input == "" {

input = defaultInput

}

if outputFolder == "" {

outputFolder = defaultOutput

}

if trackingFileName == "" {

trackingFileName = defaultTrackingFileName

}

if headerFile == "" {

headerFile = defaultHeaderCSV

}

if startRow < 1 {

startRow = defaultStartRow

}

if endRow < 1 {

endRow = defaultEndRow

}

head, err := getHead(headerFile)

if err != nil {

return err

}

fmt.Println("Got header: ", head)

files, err := getCSVFileOrFilesInPath(input, startRow, endRow)

if err != nil {

return err

}

fmt.Println("Got files: ", files)

return mergeHeadWithFiles(head, files, outputFolder, trackingFileName)

}