use crate::{channel, message};

pub mod app;
pub mod broadcaster;
mod extract;
pub mod repo;
mod routes;
mod sequence;

pub use self::{
    routes::router,
    sequence::{Instant, Sequence, Sequenced},
};

#[derive(Clone, Debug, Eq, PartialEq, serde::Serialize)]
pub struct Event {
    #[serde(flatten)]
    pub instant: Instant,
    #[serde(flatten)]
    pub kind: Kind,
}

impl Sequenced for Event {
    fn instant(&self) -> Instant {
        self.instant
    }
}

impl From<channel::Event> for Event {
    fn from(event: channel::Event) -> Self {
        Self {
            instant: event.instant,
            kind: event.kind.into(),
        }
    }
}

impl From<message::Event> for Event {
    fn from(event: message::Event) -> Self {
        Self {
            instant: event.instant(),
            kind: event.kind.into(),
        }
    }
}

#[derive(Clone, Debug, Eq, PartialEq, serde::Serialize)]
#[serde(tag = "type", rename_all = "snake_case")]
pub enum Kind {
    #[serde(rename = "created")]
    ChannelCreated(channel::event::Created),
    #[serde(rename = "message")]
    MessageSent(message::event::Sent),
    MessageDeleted(message::event::Deleted),
    #[serde(rename = "deleted")]
    ChannelDeleted(channel::event::Deleted),
}

impl From<channel::event::Kind> for Kind {
    fn from(kind: channel::event::Kind) -> Self {
        match kind {
            channel::event::Kind::Created(created) => Self::ChannelCreated(created),
            channel::event::Kind::Deleted(deleted) => Self::ChannelDeleted(deleted),
        }
    }
}

impl From<message::event::Kind> for Kind {
    fn from(kind: message::event::Kind) -> Self {
        match kind {
            message::event::Kind::Sent(created) => Self::MessageSent(created),
            message::event::Kind::Deleted(deleted) => Self::MessageDeleted(deleted),
        }
    }
}