package xvdoc

import (
	"bytes"
	"fmt"
)

func exportString(matrix []Matrix) ([]byte, error) {
	if len(matrix) == 0 {
		return nil, fmt.Errorf("XVDoc export strings error :: expected not empty martix array")
	}
	m := matrix[0]
	var buf bytes.Buffer
	for i, v := range m.Cells {
		buf.Write([]byte(fmt.Sprintf("%v: %v\n", i, v)))
	}
	return buf.Bytes(), nil
}

func exportCSV(matrix []Matrix) ([]byte, error) {
	if len(matrix) == 0 {
		return nil, fmt.Errorf("XVDoc export CSV error :: expected not empty martix array")
	}
	m := matrix[0]
	var buf bytes.Buffer
	for _, v := range m.Cells {
		for i, k := range v {
			buf.Write([]byte(fmt.Sprint(k.Val())))
			if i < len(v)-1 {
				buf.WriteByte(';')
			}
		}
		buf.WriteByte('\n')
	}
	return buf.Bytes(), nil
}