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use crate::miner::MinerInfo;
use crate::Result;
use async_trait::async_trait;
use serde::{de::DeserializeOwned, Serialize};
use std::fmt::Debug;
use std::sync::Arc;

pub trait SubscribeResult: DeserializeOwned + Serialize + Sync + Send + Clone + Debug {
    fn id(&self) -> String;
}

pub trait StratumParams {
    type Submit: DeserializeOwned + Serialize + Sync + Send + Clone + Debug;
    type Notify: DeserializeOwned + Serialize + Sync + Send + Clone + Debug;
}

pub trait PoolParams {
    type Authorize: DeserializeOwned + Serialize + Sync + Send + Clone + Debug;
    type Authorized: DeserializeOwned + Serialize + Sync + Send + Clone + Debug;
    type Subscribe: DeserializeOwned + Serialize + Sync + Send + Clone + Debug;
    type SubscribeResult: SubscribeResult;
}

#[async_trait]
pub trait StratumManager: Sync + Send + Clone {
    type StratumParams: StratumParams + DeserializeOwned + Serialize + Clone;
    type PoolParams: PoolParams + DeserializeOwned + Serialize + Clone;

    type AuthManager: AuthManager<
        Authorize = <Self::PoolParams as PoolParams>::Authorize,
        Authorized = <Self::PoolParams as PoolParams>::Authorized,
        Subscribe = <Self::PoolParams as PoolParams>::Subscribe,
        SubscribeResult = <Self::PoolParams as PoolParams>::SubscribeResult,
    >;
    type DataProvider: DataProvider<Job = <Self::StratumParams as StratumParams>::Notify>;
    type BlockValidator: BlockValidator<
        Job = <Self::StratumParams as StratumParams>::Notify,
        Submit = <Self::StratumParams as StratumParams>::Submit,
    >;

    // async fn submit(
    //     &self,
    //     info: Arc<MinerInfo>,
    //     share: &<Self::StratumParams as StratumParams>::Submit,
    // ) -> Result<bool>;
}

#[async_trait]
pub trait AuthManager: Sync + Send + Clone {
    type Authorize: DeserializeOwned + Serialize + Sync + Send + Clone + Debug;
    type Authorized: DeserializeOwned + Serialize + Sync + Send + Clone + Debug;
    type Subscribe: DeserializeOwned + Serialize + Sync + Send + Clone + Debug;
    type SubscribeResult: SubscribeResult;

    async fn init(&self) -> Result<()>;

    async fn authorize(
        &self,
        info: Arc<MinerInfo>,
        auth: &Self::Authorize,
    ) -> Result<Self::Authorized>;

    async fn subscribe(
        &self,
        info: Arc<MinerInfo>,
        subscribe_info: &Self::Subscribe,
    ) -> Result<Self::SubscribeResult>;
}

#[async_trait]
pub trait DataProvider: Sync + Send + Clone {
    type Job: DeserializeOwned + Serialize + Sync + Send + Clone + Debug;

    //Init allows the data provider to do whatever it needs before starting. In the case of an RPC
    //client, this would mean making the initial connection to the rpc server and getting the first
    //block template.
    async fn init(&self) -> Result<()>;

    async fn get_job(&self) -> Result<Self::Job>;
    //@todo polls for new templates. If it returns true, we then there is a new block template
    //available. Might want to optimize this slightly.
    async fn poll_template(&self) -> Result<bool>;
    //@todo review this.
    // async fn get_tx_data(&self, timestamp: u64) -> Result<Vec<Self::TransactionData>>;
}

#[async_trait]
pub trait BlockValidator: Sync + Send + Clone {
    type Submit: DeserializeOwned + Serialize + Sync + Send + Clone + Debug;
    type Job: DeserializeOwned + Serialize + Sync + Send + Clone + Debug;

    //Init allows the data provider to do whatever it needs before starting. In the case of an RPC
    //client, this would mean making the initial connection to the rpc server and getting the first
    //block template.
    async fn init(&self) -> Result<()>;

    //Handles validating share, and submitting?
    async fn validate_share(&self, info: Arc<MinerInfo>, share: Self::Submit) -> Result<bool>;
}