package script

import (
	"encoding/csv"
	"os"
)

// CSV creates csv.Reader reading from filename.
func NewCSVReader(filename string) (*CSVReader, error) {
	return newCSVreader(filename)
}

type CSVReader struct {
	f   *os.File
	rdr *csv.Reader
}

func (c *CSVReader) Read() ([]string, error) {
	return c.rdr.Read()
}

func (c *CSVReader) Close() error {
	return c.f.Close()
}

func newCSVreader(name string) (*CSVReader, error) {
	f, err := os.Open(name)
	if err != nil {
		return nil, err
	}

	csvr := csv.NewReader(f)

	return &CSVReader{f: f, rdr: csvr}, nil
}