use std::io::Read;
use std::sync::Arc;
use std::sync::atomic::AtomicBool;
use std::time::Duration;

use flate2::read::GzDecoder;
use futures_channel::mpsc::{UnboundedReceiver, UnboundedSender};
use serde_json::json;
use serde_json::Value;
use tokio::sync::Mutex;
use tokio_tungstenite::tungstenite::{Error, Message};
use tracing::{error, info, trace};

use crate::response_base::ResponseData;
use crate::socket_tool::AbstractWsMode;

//类型
pub enum BingxSwapWsType {
    PublicAndPrivate,
}


#[derive(Debug)]
#[derive(Clone)]
pub struct BingxSwapWsParam {
    pub token: String,
    pub ws_url: String,
    pub ws_ping_interval: i64,
    pub ws_ping_timeout: i64,
    pub is_ok_subscribe: bool,
}

//订阅频道
#[derive(Clone)]
pub enum BingxSwapSubscribeType {
    // 深度
    PuFuturesDepth,
    // 公开成交
    PuFuturesTrades,
    // K线数据
    PuFuturesRecords,
}

//账号信息
#[derive(Clone, Debug)]
pub struct BingxSwapLogin {
    pub access_key: String,
    pub secret_key: String,
    pub pass_key: String,
}

#[derive(Clone)]
#[allow(dead_code)]
pub struct BingxSwapWs {
    //类型
    tag: String,
    //地址
    address_url: String,
    //账号
    login_param: Option<BingxSwapLogin>,
    //登录数据
    ws_param: BingxSwapWsParam,
    //币对
    symbol_s: Vec<String>,
    //订阅
    subscribe_types: Vec<BingxSwapSubscribeType>,
    //心跳间隔
    heartbeat_time: u64,
}

impl BingxSwapWs {
    /*******************************************************************************************************/
    /*****************************************获取一个对象****************************************************/
    /*******************************************************************************************************/
    pub fn new(is_colo: bool, login_param: Option<BingxSwapLogin>, ws_type: BingxSwapWsType) -> BingxSwapWs {
        return Self::new_with_tag("default-BingxSwapWs".to_string(), is_colo, login_param, ws_type);
    }
    pub fn new_with_tag(tag: String, is_colo: bool, login_param: Option<BingxSwapLogin>, ws_type: BingxSwapWsType) -> BingxSwapWs {
        /*******公共频道-私有频道数据组装*/
        let address_url = match ws_type {
            BingxSwapWsType::PublicAndPrivate => {
                let url = "wss://open-api-swap.bingx.com/swap-market".to_string();
                info!("走普通通道(不支持colo通道)：{}", url);
                url
            }
        };

        /*******公共频道-私有频道数据组装*/
        let ws_param = BingxSwapWsParam {
            token: "".to_string(),
            ws_url: "".to_string(),
            ws_ping_interval: 0,
            ws_ping_timeout: 0,
            is_ok_subscribe: false,
        };

        if is_colo {
            info!("开启高速(未配置，走普通：{})通道",address_url);
        } else {
            info!("走普通通道：{}",address_url);
        }

        BingxSwapWs {
            tag,
            address_url,
            login_param,
            ws_param,
            symbol_s: vec![],
            subscribe_types: vec![],
            heartbeat_time: 1000 * 18,
        }
    }

    /*******************************************************************************************************/
    /*****************************************订阅函数********************************************************/
    /*******************************************************************************************************/
    //手动添加订阅信息
    pub fn set_subscribe(&mut self, subscribe_types: Vec<BingxSwapSubscribeType>) {
        self.subscribe_types.extend(subscribe_types);
    }
    //手动添加币对
    pub fn set_symbols(&mut self, mut b_array: Vec<String>) {
        for symbol in b_array.iter_mut() {
            // 大写
            *symbol = symbol.to_uppercase();
            // 字符串替换
            *symbol = symbol.replace("_", "-");
        }
        self.symbol_s = b_array;
    }
    fn contains_pr(&self) -> bool {
        for t in self.subscribe_types.clone() {
            if match t {
                BingxSwapSubscribeType::PuFuturesTrades => false,
                BingxSwapSubscribeType::PuFuturesRecords => false,
                BingxSwapSubscribeType::PuFuturesDepth => false,
            } {
                return true;
            }
        }
        false
    }
    /*******************************************************************************************************/
    /*****************************************工具函数********************************************************/
    /*******************************************************************************************************/
    //订阅枚举解析
    pub fn enum_to_string(symbol: String, subscribe_type: BingxSwapSubscribeType) -> String {
        match subscribe_type {
            BingxSwapSubscribeType::PuFuturesDepth => {
                format!("{}@depth5@100ms", symbol)
            }
            BingxSwapSubscribeType::PuFuturesRecords => {
                format!("{}@kline_1m", symbol)
            }
            BingxSwapSubscribeType::PuFuturesTrades => {
                format!("{}@trade", symbol)
            }
        }
    }
    //订阅信息生成
    pub fn get_subscription(&self) -> Vec<String> {
        let mut array = vec![];
        for symbol in &self.symbol_s {
            for subscribe_type in &self.subscribe_types {
                let ty_str = Self::enum_to_string(symbol.clone(), subscribe_type.clone());
                let str = json!({
                    "id": "id1",
                    "reqType": "sub",
                    "dataType": ty_str.to_string()
                });
                array.push(str.to_string());
            }
        }
        array
    }
    /*******************************************************************************************************/
    /*****************************************socket基本*****************************************************/
    /*******************************************************************************************************/
    //链接
    pub async fn ws_connect_async<F, Future>(&mut self,
                                             is_shutdown_arc: Arc<AtomicBool>,
                                             handle_function: F,
                                             _write_tx_am: &Arc<Mutex<UnboundedSender<Message>>>,
                                             write_to_socket_rx: UnboundedReceiver<Message>) -> Result<(), Error>
        where
            F: Fn(ResponseData) -> Future + Clone + Send + 'static + Sync,
            Future: std::future::Future<Output=()> + Send + 'static, // 确保 Fut 是一个 Future，且输出类型为 ()
    {
        let login_is = self.contains_pr();
        let subscription = self.get_subscription();
        let address_url = self.address_url.clone();
        let tag = self.tag.clone();
        // let heartbeat_time = self.ws_param.ws_ping_interval.clone();

        //心跳-- 方法内部线程启动
        // let write_tx_clone1 = write_tx_am.clone();
        // tokio::spawn(async move {
        //     trace!("线程-异步心跳-开始");
        //     AbstractWsMode::ping_or_pong(write_tx_clone1, HeartbeatType::Ping, heartbeat_time as u64).await;
        //     trace!("线程-异步心跳-结束");
        // });


        //设置订阅
        let subscribe_array = subscription.clone();
        if login_is {
            //登录相关
        }

        //1 链接
        let t2 = tokio::spawn(async move {
            let write_to_socket_rx_arc = Arc::new(Mutex::new(write_to_socket_rx));

            loop {
                info!("Bingx_usdt_swap socket 连接中……");
                AbstractWsMode::ws_connect_async(is_shutdown_arc.clone(), handle_function.clone(), address_url.clone(),
                                                 false, tag.clone(), subscribe_array.clone(), write_to_socket_rx_arc.clone(),
                                                 Self::message_text, Self::message_ping, Self::message_pong, Self::message_binary).await;

                error!("Bingx_usdt_swap socket 断连，1s以后重连……");
                tokio::time::sleep(Duration::from_secs(1)).await;
            }
        });

        tokio::try_join!(t2).unwrap();
        trace!("线程-心跳与链接-结束");

        Ok(())
    }
    /*******************************************************************************************************/
    /*****************************************数据解析*****************************************************/
    /*******************************************************************************************************/
    //数据解析-Text
    pub fn message_text(text: String) -> Option<ResponseData> {
        let response_data = Self::ok_text(text);
        Option::from(response_data)
    }
    //数据解析-ping
    pub fn message_ping(_pi: Vec<u8>) -> Option<ResponseData> {
        return Option::from(ResponseData::new("".to_string(), -300, "success".to_string(), Value::Null));
    }
    //数据解析-pong
    pub fn message_pong(_po: Vec<u8>) -> Option<ResponseData> {
        return Option::from(ResponseData::new("".to_string(), -301, "success".to_string(), Value::Null));
    }
    //数据解析-二进制
    pub fn message_binary(po: Vec<u8>) -> Option<ResponseData> {
        //二进制WebSocket消息
        // let message_str = format!("Binary:{:?}", _po);
        // Option::from(ResponseData::new("".to_string(), 2, message_str, Value::Null))
        // let result = String::from_utf8(bytes);
        // let result = String::from_utf8(po);

        let mut gz_decoder = GzDecoder::new(&po[..]);
        let mut decompressed_data = Vec::new();

        // 尝试解压数据
        if let Ok(_) = gz_decoder.read_to_end(&mut decompressed_data) {
            // 将解压后的字节向量转换为 UTF-8 字符串
            match String::from_utf8(decompressed_data) {
                Ok(text) => {
                    let response_data = Self::ok_text(text);
                    return Option::from(response_data);
                }
                Err(_) => {
                    return Option::from(ResponseData::new("".to_string(), 400, "二进制数据转化出错".to_string(), Value::Null));
                }
            }
        } else {
            return Option::from(ResponseData::new("".to_string(), 400, "二进制数据转化出错".to_string(), Value::Null));
        }
    }
    //数据解析
    pub fn ok_text(text: String) -> ResponseData
    {
        // trace!("原始数据:{:?}",text);
        match text.as_str() {
            "Ping" => {
                return ResponseData::new("".to_string(), -300, "success".to_string(), Value::String(String::from("Pong")));
            }
            _ => {}
        }
        let mut res_data = ResponseData::new("".to_string(), 200, "success".to_string(), Value::Null);
        let json_value: serde_json::Value = serde_json::from_str(&text).unwrap();

        // { "id": "id1", "code": 0, "msg": "" }
        if json_value["id"].as_str() == Option::from("id1") {
            //订阅
            if json_value["code"].as_i64() == Option::from(0) {
                res_data.code = -201;
                res_data.message = "订阅成功".to_string();
            } else {
                res_data.code = 400;
                res_data.message = "订阅失败".to_string();
            }
        } else if json_value["code"].as_i64() == Option::from(0) {
            res_data.code = 200;
            res_data.data = json_value.clone();

            //订阅数据 甄别
            let data_type = json_value["dataType"].as_str().unwrap();
            if data_type.contains("@depth") {
                res_data.channel = "futures.order_book".to_string();
            } else if data_type.contains("@trade") {
                res_data.channel = "futures.trades".to_string();
            } else if data_type.contains("@kline_1m") {
                res_data.channel = "futures.candlesticks".to_string();
            } else {
                res_data.channel = "未知推送数据".to_string();
            }
        } else {
            res_data.code = -1;
            res_data.message = "未知解析".to_string();
        }

        res_data
    }
}