package logic

import (
	"strconv"
	"strings"
	"time"

	"big-qmt/go-client/config"
	"big-qmt/go-client/libs"
	"big-qmt/go-client/sdk"
)

func openSignal(client *sdk.Client, ticks map[string]sdk.Tick, openSignals []*libs.SignalItem) {
	for _, item := range openSignals {
		// 验证信号配置的时间区间
		if !CheckTimezone(item.SignalKey) {
			continue
		}
		// 是否有锁
		if OrderBook.IsLock("BUY", item.Code) {
			continue
		}
		// 验证价格
		price := ticks[item.Code].LastPrice
		if price <= 0 {
			continue
		}
		// 防止接飞刀
		if !OpenWatch.Triggered("开仓", item.Code, price) {
			continue
		}
		// 计算开仓数量
		volume := libs.CalcBuyVolume(price, config.Account.BuyValue)
		if volume <= 0 {
			continue
		}
		// 开仓
		orderID := NewOrderID("base")
		if !OrderBook.Place(client, sdk.OpBuy, item.Code, volume, orderID) {
			continue
		}
		// 保存状态
		QuantState.Set(&StateItem{Code: item.Code, BaseOrderId: orderID, BaseQty: volume, BaseCost: price, BaseStatus: StatusIng})
		if err := QuantState.Save(); err != nil {
			logf("ERROR", "%v", err)
		}
		logf("INFO", "[ZT][开仓] %s 买入 %d 股", item.Code, volume)
	}
}

// 当前时间区间验证 *代表全时间段，9:30-10:30,13:30-14:30 代表2个时间段
func CheckTimezone(sk string) bool {
	timezone := strings.TrimSpace(config.Global.Signals[sk].Timezone)
	if timezone == "*" {
		return true
	}

	parse := func(value string) (int, bool) {
		parts := strings.Split(strings.TrimSpace(value), ":")
		if len(parts) != 2 {
			return 0, false
		}
		hour, errHour := strconv.Atoi(parts[0])
		minute, errMinute := strconv.Atoi(parts[1])
		if errHour != nil || errMinute != nil || hour < 0 || hour > 23 || minute < 0 || minute > 59 {
			return 0, false
		}
		return hour*60 + minute, true
	}

	current := time.Now()
	now := current.Hour()*60 + current.Minute()
	for _, section := range strings.Split(timezone, ",") {
		bounds := strings.Split(strings.TrimSpace(section), "-")
		if len(bounds) != 2 {
			continue
		}
		start, startOK := parse(bounds[0])
		end, endOK := parse(bounds[1])
		if !startOK || !endOK {
			continue
		}
		if (start <= end && now >= start && now <= end) ||
			(start > end && (now >= start || now <= end)) {
			return true
		}
	}

	return false
}