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use super::{futures::BinanceFuturesUsd, Binance};
use crate::{
    subscription::{
        book::{OrderBooksL1, OrderBooksL2},
        liquidation::Liquidations,
        trade::PublicTrades,
        Subscription,
    },
    Identifier,
};
use serde::Serialize;

/// Type that defines how to translate a Barter [`Subscription`] into a [`Binance`](super::Binance)
/// channel to be subscribed to.
///
/// See docs: <https://binance-docs.github.io/apidocs/spot/en/#websocket-market-streams>
/// See docs: <https://binance-docs.github.io/apidocs/futures/en/#websocket-market-streams>
#[derive(Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Debug, Serialize)]
pub struct BinanceChannel(pub &'static str);

impl BinanceChannel {
    /// [`Binance`](super::Binance) real-time trades channel name.
    ///
    /// See docs: <https://binance-docs.github.io/apidocs/spot/en/#trade-streams>
    ///
    /// Note:
    /// For [`BinanceFuturesUsd`](super::futures::BinanceFuturesUsd) this real-time
    /// stream is undocumented.
    ///
    /// See discord: <https://discord.com/channels/910237311332151317/923160222711812126/975712874582388757>
    pub const TRADES: Self = Self("@trade");

    /// [`Binance`](super::Binance) real-time OrderBook Level1 (top of book) channel name.
    ///
    /// See docs:<https://binance-docs.github.io/apidocs/spot/en/#individual-symbol-book-ticker-streams>
    /// See docs:<https://binance-docs.github.io/apidocs/futures/en/#individual-symbol-book-ticker-streams>
    pub const ORDER_BOOK_L1: Self = Self("@bookTicker");

    /// [`Binance`](super::Binance) OrderBook Level2 channel name (100ms delta updates).
    ///
    /// See docs: <https://binance-docs.github.io/apidocs/spot/en/#diff-depth-stream>
    /// See docs: <https://binance-docs.github.io/apidocs/futures/en/#diff-book-depth-streams>
    pub const ORDER_BOOK_L2: Self = Self("@depth@100ms");

    /// [`BinanceFuturesUsd`](super::futures::BinanceFuturesUsd) liquidation orders channel name.
    ///
    /// See docs: <https://binance-docs.github.io/apidocs/futures/en/#liquidation-order-streams>
    pub const LIQUIDATIONS: Self = Self("@forceOrder");
}

impl<Server> Identifier<BinanceChannel> for Subscription<Binance<Server>, PublicTrades> {
    fn id(&self) -> BinanceChannel {
        BinanceChannel::TRADES
    }
}

impl<Server> Identifier<BinanceChannel> for Subscription<Binance<Server>, OrderBooksL1> {
    fn id(&self) -> BinanceChannel {
        BinanceChannel::ORDER_BOOK_L1
    }
}

impl<Server> Identifier<BinanceChannel> for Subscription<Binance<Server>, OrderBooksL2> {
    fn id(&self) -> BinanceChannel {
        BinanceChannel::ORDER_BOOK_L2
    }
}

impl Identifier<BinanceChannel> for Subscription<BinanceFuturesUsd, Liquidations> {
    fn id(&self) -> BinanceChannel {
        BinanceChannel::LIQUIDATIONS
    }
}

impl AsRef<str> for BinanceChannel {
    fn as_ref(&self) -> &str {
        self.0
    }
}