package client

import (
	"encoding/base64"
	"io"
	"os"
)

func NewAttachmentFromFileContent(fileName string, f []byte) (*FileAttachment, error) {
	buffer := make([]byte, base64.StdEncoding.EncodedLen(len(f)))
	base64.StdEncoding.Encode(buffer, f)

	return &FileAttachment{
		Filename: fileName,
		Content:  string(buffer),
	}, nil
}

func NewAttachmentFromFilePath(filePath string) (*FileAttachment, error) {
	f, err := os.Open(filePath)
	if err != nil {
		return nil, err
	}
	defer func(f *os.File) {
		_ = f.Close()
	}(f)

	content, err := io.ReadAll(f)
	if err != nil {
		return nil, err
	}

	return NewAttachmentFromFileContent(filePath, content)
}