package io

import (
	"fmt"
	"os"

	"gitlab.com/urkob/go-cert-gen/pkg/io"
)

type writer struct {
	dirPath string
}

func (w writer) WriteFile(filename string, data []byte) (string, error) {
	if w.dirPath == "" {
		return "", fmt.Errorf("export directory cannot be empty")
	}

	if err := os.MkdirAll(w.dirPath, 0o755); err != nil {
		return "", err
	}
	outputPath := w.dirPath + "/" + filename
	if err := os.WriteFile(outputPath, data, 0o600); err != nil {
		return "", err
	}
	return outputPath, nil
}

func NewWriter(dirPath string) io.WriterIface {
	return &writer{
		dirPath: dirPath,
	}
}