package virtual

import (
	"context"
	"encoding/json"
	"fmt"
	"github.com/redis/go-redis/v9"
	"matchmaking-system/internal/biz/structure"
	"matchmaking-system/internal/data/memory"
	"matchmaking-system/internal/pkg/flags"
	"matchmaking-system/internal/pkg/logging/applogger"
	"matchmaking-system/internal/pkg/logging/common"
	"matchmaking-system/internal/pkg/setting"
)

/*
处理现货下单交易(订单状态:0-挂单(委托),2-已撤单,3-完成订单)
1>限价
  1、写入挂单缓存列表
  2、监控挂单缓存列表
  3、处理完成订单
  4、清理缓存列表
2>市价
  1.平仓操作
*/

// SpotsTallyCache
// @Description:
type SpotsTallyCache struct {
	UserId       int64                // 用户ID
	OrderId      string               // 订单ID
	Symbol       string               // 交易对
	Status       string               // 订单状态
	OpenPrice    string               // 开仓价格
	ClosingPrice string               // 平仓价格
	Order        structure.SpotsOrder // 下单信息
}

// DealSpotsLimitedPrice
//
//	@Description:
//	@param red
//	@param userId
//	@param order
//	@param Symbol
//	@param orderId
//	@return error
func DealSpotsLimitedPrice(red *redis.Client, userId int64, order structure.SpotsOrder, Symbol, orderId string) error {
	data := &SpotsTallyCache{
		OrderId: orderId,       // 下单生成订单ID
		Symbol:  Symbol,        // 下单用户交易对
		Status:  flags.Entrust, // 下单用户挂单状态
		Order:   order,         // 下单信息
		UserId:  userId,        // 下单用户ID
	}
	content, err := json.Marshal(data)
	if err != nil {
		applogger.Error("%v DealSpotsLimitedPrice.Marshal:%v", common.ErrSpots, err)
		return flags.ErrCacheDB
	}
	if !flags.CheckSetting {
		applogger.Debug("挂单信息:%v", string(content))
	}

	// 写入限价下单挂单缓存列表
	if err = red.HSet(context.Background(), setting.MarketSpotsEntrust, orderId, string(content)).Err(); err != nil {
		applogger.Error("%v DealSpotsLimitedPrice.MarketSpotsEntrust.HSet:%v", common.ErrSpots, err)
		return flags.ErrCacheDB
	}

	// 写入用户订单订阅缓存hash列表
	cacheKey := OrderIdListKey(setting.SpotsSubscribe, userId)
	if err = red.HSet(context.Background(), cacheKey, orderId, string(content)).Err(); err != nil {
		applogger.Error("%v DealSpotsLimitedPrice.SpotsSubscribe.HSet:%v", common.ErrSpots, err)
		return flags.ErrCacheDB
	}

	return nil
}

// DealSpotsMarketPrice
//
//	@Description:
//	@param ctx
//	@param subKey
//	@return string
//	@return error
func DealSpotsMarketPrice(ctx context.Context, subKey string) (string, error) {
	price, err := memory.SpotsCache.Get(subKey)
	if err != nil {
		return flags.SetNull, err
	}

	return string(price), err
}

// OrderIdListKey
//
//	@Description:
//	@param topIc
//	@param userId
//	@return string
func OrderIdListKey(topIc string, userId int64) string {
	return fmt.Sprintf("%v-%v", topIc, userId)
}