package com.xcong.excoin.modules.okxNewPrice.celue;

import com.xcong.excoin.modules.okxNewPrice.okxWs.InstrumentsWs;
import com.xcong.excoin.modules.okxNewPrice.okxWs.PositionsWs;
import com.xcong.excoin.modules.okxNewPrice.okxWs.enums.CoinEnums;
import com.xcong.excoin.modules.okxNewPrice.okxWs.enums.OrderParamEnums;
import com.xcong.excoin.modules.okxNewPrice.wangge.WangGeQueue;
import com.xcong.excoin.modules.okxNewPrice.wangge.WangGeService;
import com.xcong.excoin.rabbit.pricequeue.AscBigDecimal;
import com.xcong.excoin.rabbit.pricequeue.DescBigDecimal;
import com.xcong.excoin.utils.RedisUtils;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.concurrent.PriorityBlockingQueue;

/**
 * 操作服务实现类，用于处理与交易相关的逻辑操作。
 * 包括根据市场行情判断是否进行加仓或减仓，并维护相关价格队列。
 *
 * @author Administrator
 */
@Slf4j
@Service
@RequiredArgsConstructor
public class CaoZuoServiceImpl implements CaoZuoService {

    private final RedisUtils redisUtils;
    private final WangGeService wangGeService;

    /**
     * 执行主要的操作逻辑，包括读取合约状态、获取市场价格信息，
     * 并根据当前持仓均价和标记价格决定是否执行买卖操作。
     *
     * @return 返回操作类型字符串（如买入BUY、卖出SELL等）
     */
    @Override
    public String caoZuo() {
        // 构造Redis键名
        final String coinCode = CoinEnums.HE_YUE.getCode();
        final String instrumentsKey = InstrumentsWs.INSTRUMENTSWS_CHANNEL + ":" + coinCode + ":state";
        final String positionsMarkPxKey = PositionsWs.POSITIONSWS_CHANNEL + ":" + coinCode + ":markPx";
        final String positionsAvgPxKey = PositionsWs.POSITIONSWS_CHANNEL + ":" + coinCode + ":avgPx";
        final String positionsOrderPriceKey = PositionsWs.POSITIONSWS_CHANNEL + ":" + coinCode + ":orderPrice";

        // 获取合约状态
        String state = (String) redisUtils.get(instrumentsKey);
        if (state == null || !OrderParamEnums.STATE_1.getValue().equals(state)) {
            return OrderParamEnums.HOLDING.getValue();
        }
        if (OrderParamEnums.STATE_4.getValue().equals(state)) {
            return OrderParamEnums.ORDERING.getValue();
        }

        log.info(OrderParamEnums.getNameByValue(state));

        // 获取标记价格和平均持仓价格
        Object markPxObj = redisUtils.get(positionsMarkPxKey);
        Object avgPxObj = redisUtils.get(positionsAvgPxKey);

        if (markPxObj == null || avgPxObj == null) {
            return OrderParamEnums.INIT.getValue();
        }

        try {
            BigDecimal markPx = new BigDecimal((String) markPxObj);
            BigDecimal avgPx = new BigDecimal((String) avgPxObj);

            log.info("开仓价格: {}, 当前价格：{}，匹配队列中......", avgPx, markPx);

            // 初始化网格队列
            PriorityBlockingQueue<AscBigDecimal> queueAsc = WangGeQueue.getQueueAsc();
            PriorityBlockingQueue<DescBigDecimal> queueKaiCang = wangGeService.initKaiCang(avgPx, queueAsc);
            PriorityBlockingQueue<AscBigDecimal> queuePingCang = wangGeService.initPingCang(avgPx, queueAsc);

            // 处理订单价格在队列中的情况
            String orderPrice = (String) redisUtils.get(positionsOrderPriceKey);
            handleOrderPriceInQueues(orderPrice, queueKaiCang, queuePingCang);

            String side = OrderParamEnums.HOLDING.getValue();

            // 判断是加仓还是减仓
            if (avgPx.compareTo(markPx) > 0) {
                DescBigDecimal kaiCang = queueKaiCang.peek();
                if (kaiCang != null && kaiCang.getValue().compareTo(markPx) >= 0) {
                    log.info("开始加仓...开仓队列价格大于当前价格{}>{}", kaiCang.getValue(), markPx);
                    side = OrderParamEnums.BUY.getValue();
                    redisUtils.set(positionsOrderPriceKey, String.valueOf(kaiCang.getValue()), 0);
                } else {
                    log.info("未触发加仓......，等待");
                }
            } else if (avgPx.compareTo(markPx) < 0) {
                AscBigDecimal pingCang = queuePingCang.peek();
                if (pingCang != null && pingCang.getValue().compareTo(markPx) <= 0) {
                    log.info("开始减仓...平仓队列价格小于当前价格{}<={}", pingCang.getValue(), markPx);
                    side = OrderParamEnums.SELL.getValue();
                    redisUtils.set(positionsOrderPriceKey, String.valueOf(pingCang.getValue()), 0);
                } else {
                    log.info("未触发减仓......，等待");
                }
            } else {
                log.info("价格波动较小......，等待");
            }

            return side;
        } catch (NumberFormatException e) {
            log.error("解析价格失败，请检查Redis中的值是否合法", e);
            return OrderParamEnums.HOLDING.getValue();
        }
    }

    /**
     * 根据订单价格更新开仓和平仓队列的内容。
     * 若该价格不在对应队列中则加入；若已存在，则从队列中移除。
     *
     * @param orderPrice 订单价格
     * @param queueKaiCang 开仓价格优先队列（降序）
     * @param queuePingCang 平仓价格优先队列（升序）
     */
    private void handleOrderPriceInQueues(String orderPrice,
                                          PriorityBlockingQueue<DescBigDecimal> queueKaiCang,
                                          PriorityBlockingQueue<AscBigDecimal> queuePingCang) {
        if (orderPrice == null) {
            return;
        }

        BigDecimal priceDecimal;
        try {
            priceDecimal = new BigDecimal(orderPrice);
        } catch (NumberFormatException ex) {
            log.warn("无效的价格格式: {}", orderPrice);
            return;
        }

        boolean kaiCangExists = queueKaiCang.stream().anyMatch(item -> item.getValue().equals(priceDecimal));
        if (!kaiCangExists) {
            queueKaiCang.add(new DescBigDecimal(orderPrice));
        } else {
            queueKaiCang.removeIf(item -> item.getValue().equals(priceDecimal));
        }

        boolean pingCangExists = queuePingCang.stream().anyMatch(item -> item.getValue().equals(priceDecimal));
        if (!pingCangExists) {
            queuePingCang.add(new AscBigDecimal(orderPrice));
        } else {
            queuePingCang.removeIf(item -> item.getValue().equals(priceDecimal));
        }
    }

    /**
     * 计算盈亏金额。
     *
     * @param faceValue 面值
     * @param position 持仓数量
     * @param contractMultiplier 合约乘数
     * @param markPrice 标记价格
     * @param openPrice 开仓价格
     * @param isLong 是否为多头仓位
     * @param minTickSz 最小变动单位精度
     * @return 盈亏金额，保留指定精度的小数位
     */
    public BigDecimal profit(BigDecimal faceValue, BigDecimal position, BigDecimal contractMultiplier,
                             BigDecimal markPrice, BigDecimal openPrice, boolean isLong, int minTickSz) {
        BigDecimal profit = BigDecimal.ZERO;
        if (isLong) {
            profit = markPrice.subtract(openPrice)
                    .multiply(faceValue)
                    .multiply(contractMultiplier)
                    .multiply(position);
        } else {
            profit = openPrice.subtract(markPrice)
                    .multiply(faceValue)
                    .multiply(contractMultiplier)
                    .multiply(position);
        }
        return profit.setScale(minTickSz, BigDecimal.ROUND_DOWN);
    }
}