use std::collections::BTreeMap;
use std::sync::Arc;
use std::sync::atomic::AtomicBool;
use rust_decimal::Decimal;
use tokio::sync::Mutex;
use tokio_tungstenite::tungstenite::Message;
use tracing::{error};
use exchanges::response_base::ResponseData;
use global::trace_stack::{TraceStack};
use crate::core::Core;
use exchanges::binance_swap_ws::{BinanceSwapLogin, BinanceSwapSubscribeType, BinanceSwapWs, BinanceSwapWsType};
use standard::exchange::ExchangeEnum;
use standard::exchange_struct_handler::ExchangeStructHandler;
use crate::exchange_disguise::{on_depth, on_trade};
use crate::model::OrderInfo;

// 参考 币安 合约 启动
pub(crate) async fn reference_binance_swap_run(is_shutdown_arc: Arc<AtomicBool>,
                                               core_arc: Arc<Mutex<Core>>,
                                               name: String,
                                               symbols: Vec<String>,
                                               is_colo: bool,
                                               ref_index: usize
) {
    tokio::spawn(async move {
        //创建读写通道
        let (write_tx, write_rx) = futures_channel::mpsc::unbounded::<Message>();
        let mut ws = BinanceSwapWs::new_label(name, is_colo, None, BinanceSwapWsType::Public).await;
        ws.set_subscribe(vec![
            BinanceSwapSubscribeType::PuBookTicker,
            BinanceSwapSubscribeType::PuAggTrade
        ]);

        // 读取数据
        let core_arc_clone = Arc::clone(&core_arc);
        let multiplier = core_arc_clone.lock().await.platform_rest.get_self_market().multiplier;
        let run_symbol = symbols.clone()[0].clone();

        let fun = move |data: ResponseData| {
            // 在 async 块之前克隆 Arc
            let core_arc_cc = core_arc_clone.clone();
            let mul = multiplier.clone();
            let rs = run_symbol.clone();

            async move {
                // 使用克隆后的 Arc，避免 move 语义
                on_data(core_arc_cc, &mul, &rs, &data, ref_index).await
            }
        };

        // 链接
        let write_tx_am = Arc::new(Mutex::new(write_tx));
        ws.set_symbols(symbols);
        ws.ws_connect_async(is_shutdown_arc, fun, &write_tx_am, write_rx).await.expect("链接失败");
    });
}

// 启动binance交易ws
pub(crate) async fn binance_swap_run(is_shutdown_arc: Arc<AtomicBool>,
                                     core_arc: Arc<Mutex<Core>>,
                                     name: String,
                                     symbols: Vec<String>,
                                     is_colo: bool,
                                     exchange_params: BTreeMap<String, String>) {
    // 参考
    reference_binance_swap_run(is_shutdown_arc.clone(), core_arc.clone(), name.clone(), symbols.clone(), is_colo, 233).await;

    tokio::spawn(async move {
        //创建读写通道
        let (write_tx, write_rx) = futures_channel::mpsc::unbounded::<Message>();
        let binance_login = parse_btree_map_to_binance_swap_login(exchange_params);
        let mut ws = BinanceSwapWs::new_label(name, is_colo, Option::from(binance_login), BinanceSwapWsType::Private).await;
        ws.set_subscribe(vec![
            BinanceSwapSubscribeType::PrPosition,
            BinanceSwapSubscribeType::PrAccount,
            BinanceSwapSubscribeType::PrBalance,
        ]);

        // 读取数据
        let core_arc_clone = Arc::clone(&core_arc);
        let multiplier = core_arc_clone.lock().await.platform_rest.get_self_market().multiplier;
        let run_symbol = symbols.clone()[0].clone();

        let fun = move |data: ResponseData| {
            // 在 async 块之前克隆 Arc
            let core_arc_cc = core_arc_clone.clone();
            let mul = multiplier.clone();
            let rs = run_symbol.clone();

            async move {
                // 使用克隆后的 Arc，避免 move 语义
                on_data(core_arc_cc, &mul, &rs, &data, 233).await
            }
        };

        // 链接
        let write_tx_am = Arc::new(Mutex::new(write_tx));
        ws.set_symbols(symbols);
        ws.ws_connect_async(is_shutdown_arc, fun, &write_tx_am, write_rx).await.expect("链接失败");
    });
}

async fn on_data(core_arc: Arc<Mutex<Core>>, multiplier: &Decimal, run_symbol: &String, response: &ResponseData, ref_index: usize) {
    let mut trace_stack = TraceStack::new(response.time, response.ins);
    trace_stack.on_after_span_line();

    match response.channel.as_str() {
        "info" => {
            // info!("connected: {}", response.data.to_string())
        }
        "aggTrade" => {
            trace_stack.set_source("binance_usdt_swap.aggTrade".to_string());
            let mut trades = ExchangeStructHandler::trades_handle(ExchangeEnum::BinanceSwap, response, multiplier);
            trace_stack.on_after_format();

            for trade in trades.iter_mut() {
                let core_arc_clone = core_arc.clone();

                on_trade(core_arc_clone, &response.label, &mut trace_stack, &trade, ref_index).await;
            }
        }
        "bookTicker" => {
            trace_stack.set_source("binance_usdt_swap.bookTicker".to_string());
            // 将ticker数据转换为模拟深度
            let depth = ExchangeStructHandler::book_ticker_handle(ExchangeEnum::BinanceSwap, response, multiplier);
            trace_stack.on_after_format();

            on_depth(core_arc, &response.label, &mut trace_stack, &depth, ref_index).await;
        }
        "ACCOUNT_UPDATE" => {
            let account = ExchangeStructHandler::account_info_handle(ExchangeEnum::BinanceSwap, response, run_symbol);
            let positions = ExchangeStructHandler::position_handle(ExchangeEnum::BinanceSwap, response, multiplier);

            let mut core = core_arc.lock().await;
            core.update_position(positions).await;
            core.update_equity(account).await;
        }
        "ORDER_TRADE_UPDATE" => {
            trace_stack.set_source("binance_swap.ORDER_TRADE_UPDATE".to_string());
            let orders = ExchangeStructHandler::order_handle(ExchangeEnum::BinanceSwap, response, &Decimal::ONE);

            let mut order_infos:Vec<OrderInfo> = Vec::new();
            for mut order in orders.order {
                if order.status == "NULL" {
                    error!("binance_usdt_swap 未识别的订单状态：{:?}", response);

                    continue;
                }

                let order_info = OrderInfo::parse_order_to_order_info(&mut order);
                order_infos.push(order_info);
            }

            let mut core = core_arc.lock().await;
            core.update_order(order_infos, trace_stack).await;
        }
        _ => {
            error!("未知推送类型");
            error!(?response);
        }
    }
}

fn parse_btree_map_to_binance_swap_login(exchange_params: BTreeMap<String, String>) -> BinanceSwapLogin {
    BinanceSwapLogin {
        api_key: exchange_params.get("access_key").unwrap().clone(),
        api_secret: exchange_params.get("secret_key").unwrap().clone(),
    }
}