use tokio::sync::oneshot;

use crate::managers::OptionUpdate;
use crate::models::OrderForm;

#[derive(Debug)]
pub struct ActorMessage {
    pub(crate) message: ActionMessage,
    pub(crate) respond_to: oneshot::Sender<OptionUpdate>,
}

#[derive(Debug)]
pub enum ActionMessage {
    Update { tick: u64 },
    ClosePosition { position_id: u64 },
    SubmitOrder { order: OrderForm },
    ClosePositionOrders { position_id: u64 },
}

#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash)]
pub struct EventMetadata {
    position_id: Option<u64>,
    order_id: Option<u64>,
}

impl EventMetadata {
    pub fn new(position_id: Option<u64>, order_id: Option<u64>) -> Self {
        EventMetadata {
            position_id,
            order_id,
        }
    }
}

#[derive(Copy, Clone, PartialEq, Eq, Hash, Debug)]
pub enum EventKind {
    NewMinimum,
    NewMaximum,
    ReachedLoss,
    ReachedBreakEven,
    ReachedMinProfit,
    ReachedGoodProfit,
    ReachedMaxLoss,
    TrailingStopSet,
    TrailingStopMoved,
    OrderSubmitted,
    NewTick,
    PositionClosed { position_id: u64 },
}

#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash)]
pub struct Event {
    kind: EventKind,
    tick: u64,
    metadata: Option<EventMetadata>,
}

impl Event {
    pub fn new(kind: EventKind, tick: u64) -> Self {
        Event {
            kind,
            tick,
            metadata: None,
        }
    }

    pub fn with_metadata(mut self, metadata: Option<EventMetadata>) -> Self {
        self.metadata = metadata;
        self
    }

    fn has_metadata(&self) -> bool {
        self.metadata.is_some()
    }
}