use std::borrow::Cow;

#[derive(Clone, Debug)]
pub struct Tag(pub String);

#[derive(Debug)]
#[non_exhaustive]
pub enum Response<'a> {
    Done(ResponseDone<'a>),
}

#[derive(Debug)]
pub struct ResponseDone<'a> {
    pub tag: Tag,
    pub status: Status,
    pub code: Option<ResponseCode<'a>>,
    pub info: Option<Cow<'a, str>>,
}

#[derive(Debug)]
pub struct Condition<'a> {
    pub status: Status,
    pub code: Option<ResponseCode<'a>>,
    pub text: String,
}

#[derive(Debug)]
pub enum Status {
    Ok,
    No,
    Bad,
    PreAuth,
    Bye,
}

#[derive(Debug)]
#[non_exhaustive]
pub enum ResponseCode<'a> {
    Alert,
    Capabilities(Vec<Capability<'a>>),
}

#[derive(Debug)]
pub enum Capability<'a> {
    Imap4rev1,
    Auth(Cow<'a, [u8]>),
    Atom(Cow<'a, [u8]>),
}