use actix::{Actor, AsyncContext, Context, Handler};
use actix::Message;

use crate::constants::*;
use crate::data::client::ClientID;
use crate::data::user::UserID;
use crate::utils::time::time;

#[derive(Clone, Debug, serde::Serialize, serde::Deserialize, Eq, PartialEq)]
pub struct SessionID(pub String);

#[derive(Clone, Debug)]
pub struct Session {
    pub session_id: SessionID,
    pub client: ClientID,
    pub user: UserID,
    pub redirect_uri: String,

    pub authorization_code: String,
    pub code_expire_on: u64,

    pub token: String,
    pub token_expire_at: u64,

    pub nonce: Option<String>,
    pub code_challenge: Option<(String, String)>,
}

impl Session {
    pub fn is_expired(&self) -> bool {
        self.code_expire_on < time() || self.token_expire_at < time()
    }
}

#[derive(Message)]
#[rtype(result = "()")]
pub struct PushNewSession(pub Session);


pub struct OpenIDSessionsActor {
    session: Vec<Session>,
}

impl OpenIDSessionsActor {
    pub fn clean_old_sessions(&mut self) {
        self.session.retain(|s| !s.is_expired());
    }
}

impl Default for OpenIDSessionsActor {
    fn default() -> Self {
        Self { session: vec![] }
    }
}

impl Actor for OpenIDSessionsActor {
    type Context = Context<Self>;

    fn started(&mut self, ctx: &mut Self::Context) {
        // Clean up at a regular interval failed attempts
        ctx.run_interval(OPEN_ID_SESSION_CLEANUP_INTERVAL, |act, _ctx| {
            log::trace!("Cleaning up old login sessions");
            act.clean_old_sessions();
        });
    }
}

impl Handler<PushNewSession> for OpenIDSessionsActor {
    type Result = ();

    fn handle(&mut self, msg: PushNewSession, _ctx: &mut Self::Context) -> Self::Result {
        self.session.push(msg.0)
    }
}