package com.xcong.excoin.modules.symbols.service.impl;

import cn.hutool.core.util.StrUtil;
import com.alibaba.fastjson.JSONObject;
import com.huobi.client.model.Candlestick;
import com.xcong.excoin.common.contants.AppContants;
import com.xcong.excoin.common.enumerates.SymbolEnum;
import com.xcong.excoin.common.response.Result;
import com.xcong.excoin.common.system.mapper.CandlestickMapper;
import com.xcong.excoin.modules.platform.dao.PlatformCnyUsdtExchangeDao;
import com.xcong.excoin.modules.platform.entity.PlatformCnyUsdtExchangeEntity;
import com.xcong.excoin.modules.symbols.parameter.dto.KlineDetailDto;
import com.xcong.excoin.modules.symbols.parameter.vo.HomeSymbolsVo;
import com.xcong.excoin.modules.symbols.parameter.vo.KlineDataVo;
import com.xcong.excoin.modules.symbols.service.SymbolsService;
import com.xcong.excoin.utils.CoinTypeConvert;
import com.xcong.excoin.utils.RedisUtils;
import com.xcong.excoin.utils.api.ApiClient;
import com.xcong.excoin.utils.api.response.Kline;
import com.xcong.excoin.utils.api.response.KlineResponse;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.List;

/**
 * @author wzy
 * @date 2020-05-26
 **/
@Slf4j
@Service
public class SymbolsServiceImpl implements SymbolsService {

    @Resource
    private RedisUtils redisUtils;

    @Resource
    private PlatformCnyUsdtExchangeDao platformCnyUsdtExchangeDao;

    private static final String API_KEY = "3938f004-bfe31905-f7581c1a-6abe0";
    private static final String API_SECRET = "a0f7a154-ghxertfvbf-6ce2d90c-a0bab";


    private static volatile ApiClient client;

    private static ApiClient getClient() {
        if (client == null) {
            synchronized (ApiClient.class) {
                if (client == null) {
                    client = new ApiClient(API_KEY, API_SECRET);
                }
            }
        }
        return client;
    }

    @Override
    public void updateSymbolsKine(String time) {
        synchronized (this) {
            //更新币币交易K线历史数据
            for (SymbolEnum symbol : SymbolEnum.values()) {
                try {
                    Thread.sleep(500);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                String[] symbols = symbol.getValue().toLowerCase().split("/");
                ApiClient client = getClient();
                KlineResponse kline = client.kline(symbols[0] + symbols[1], time, 1000 + "");
                if (kline != null) {
                    if ("ok".equalsIgnoreCase(kline.getStatus())) {
                        List<Kline> klines = (List<Kline>) kline.data;
                        List<Candlestick> list = new ArrayList<Candlestick>();
                        Candlestick candlestick = null;
                        for (Kline kline1 : klines) {
                            candlestick = new Candlestick();
                            candlestick.setAmount(BigDecimal.valueOf(kline1.getAmount()));
                            candlestick.setClose(BigDecimal.valueOf(kline1.getClose()));
                            candlestick.setCount(kline1.getCount());
                            candlestick.setHigh(BigDecimal.valueOf(kline1.getHigh()));
                            candlestick.setLow(BigDecimal.valueOf(kline1.getLow()));
                            candlestick.setVolume(BigDecimal.valueOf(kline1.getVol()));
                            candlestick.setTimestamp(kline1.getId() * 1000);
                            candlestick.setOpen(BigDecimal.valueOf(kline1.getOpen()));
                            list.add(candlestick);
                        }

                        if (klines.size() > 0) {
                            redisUtils.set("KINE_" + symbol.getValue() + "_" + time, list);
                        }
                    }
                }
            }
        }
    }

    @Override
    public Result homeSymbols(Integer type) {
        List<HomeSymbolsVo> list = new ArrayList<>();
        // 币币行情
        if (AppContants.HOME_SYMBOLS_COIN == type) {
            for (SymbolEnum symbolEnum : SymbolEnum.values()) {
                list.add(getSymbolReturnData(symbolEnum.getValue()));
            }
            // 合约行情
        } else if (AppContants.HOME_SYMBOLS_CONTRACT == type) {
            for (SymbolEnum symbolEnum : SymbolEnum.values()) {
                list.add(getSymbolReturnData(symbolEnum.getValue()));
            }
            // 自选行情
        } else {

        }

        return Result.ok(list);
    }

    @Override
    public Result findSymbolData(String symbol) {
        HomeSymbolsVo homeSymbolsVo = getSymbolReturnData(symbol);
        return Result.ok(homeSymbolsVo);
    }

    public HomeSymbolsVo getSymbolReturnData(String symbol) {
        PlatformCnyUsdtExchangeEntity cnyUsdtExchange = platformCnyUsdtExchangeDao.getCNYAndUSDTOne();
        // 获取当日k线数据
        Candlestick symbolObject = (Candlestick) redisUtils.get(symbol);
        // 获取当前币种最新价
        BigDecimal newestPrice = new BigDecimal(redisUtils.getString(CoinTypeConvert.convertToKey(symbol)));
        // 获取当日k线的开盘价
        BigDecimal openPrice = symbolObject.getOpen();

        BigDecimal upOrDown = newestPrice.subtract(openPrice).divide(openPrice, 8, BigDecimal.ROUND_HALF_UP);
        HomeSymbolsVo homeSymbolsVo = new HomeSymbolsVo();

        homeSymbolsVo.setSymbol(symbol);
        homeSymbolsVo.setCurrentPrice(newestPrice);
        homeSymbolsVo.setUpOrDown(upOrDown);
        homeSymbolsVo.setVolume(symbolObject.getAmount());
        if (cnyUsdtExchange != null) {
            BigDecimal cnyPrice = newestPrice.multiply(cnyUsdtExchange.getValue()).setScale(2, BigDecimal.ROUND_HALF_UP);
            homeSymbolsVo.setCnyPrice(cnyPrice);
        }

        return homeSymbolsVo;
    }

    @Override
    public Result findKlineDetails(KlineDetailDto klineDetailDto) {
        String key = "KINE_{}_{}";
        // 币币k线数据
        if (AppContants.HOME_SYMBOLS_COIN == klineDetailDto.getType()) {
            key = StrUtil.format(key, klineDetailDto.getSymbol(), klineDetailDto.getPeriod());
            // 合约k线数据
        } else {
            key = StrUtil.format(key, klineDetailDto.getSymbol(), klineDetailDto.getPeriod());
        }

        Object data = redisUtils.get(key);
        if (data != null) {
            List list = (List) data;
            int length = 0;
            // 默认获取k线900个柱状(超出会报错)
            int size = 900;

            if (list.size() > size) {
                length = size - 1;
            } else {
                length = list.size() - 1;
            }

            List<KlineDataVo> result = new ArrayList<>(length);
            for (int i = length; i > 0; i--) {
                Candlestick object = (Candlestick) list.get(i);
                KlineDataVo klineDataVo = CandlestickMapper.INSTANCE.toKlineDataVo(object);
                result.add(klineDataVo);
            }
            return Result.ok(result);
        }
        return Result.fail("获取数据失败");
    }
}