// SPDX-FileCopyrightText: 2022-2023 The go-mail Authors
//
// SPDX-License-Identifier: MIT

package mail

// Charset represents a character set for the encoding
type Charset string

// ContentType represents a content type for the Msg
type ContentType string

// Encoding represents a MIME encoding scheme like quoted-printable or Base64.
type Encoding string

// MIMEVersion represents the MIME version for the mail
type MIMEVersion string

// MIMEType represents the MIME type for the mail
type MIMEType string

// List of supported encodings
const (
	// EncodingB64 represents the Base64 encoding as specified in RFC 2045.
	EncodingB64 Encoding = "base64"

	// EncodingQP represents the "quoted-printable" encoding as specified in RFC 2045.
	EncodingQP Encoding = "quoted-printable"

	// NoEncoding avoids any character encoding (except of the mail headers)
	NoEncoding Encoding = "8bit"
)

const (
	// CharsetUTF8 represents the "UTF-8" charset
	CharsetUTF8 Charset = "UTF-8"
)

const (
	// Mime10 is the MIME Version 1.0
	Mime10 MIMEVersion = "1.0"
)

const (
	TypeTextPlain ContentType = "text/plain"
	TypeTextHTML  ContentType = "text/html"
)

const (
	MIMEAlternative MIMEType = "alternative"
)

// String is a standard method to convert an Encoding into a printable format
func (e Encoding) String() string {
	return string(e)
}

// String is a standard method to convert a Charset into a printable format
func (c Charset) String() string {
	return string(c)
}