package main

import (
	"context"
	"log"
	"os"
	"os/signal"
	"syscall"
	"time"

	"big-qmt/go-client/apps/zt/logic"
	"big-qmt/go-client/config"
	"big-qmt/go-client/libs"
	"big-qmt/go-client/sdk"

	"github.com/robfig/cron/v3"
)

var (
	StrategyName = "zt"
)

func main() {
	log.SetFlags(log.LstdFlags | log.Lmicroseconds)
	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
	defer stop()

	// 第一步：只从 YAML 文件加载系统配置和本机账户配置。
	err := config.Load("etc")
	if err != nil {
		log.Fatalf("[ERROR] 加载配置失败: %v", err)
	}
	client := sdk.New(config.Global.QMTBaseURL, config.Global.QMTToken, config.HttpTimeOut)

	// 第二步：QMT 未就绪时持续重试，退出信号仍可立即终止等待。
	assets, positions, ok := waitForQMT(ctx, client)
	if !ok {
		return
	}

	// 初始化
	logic.InitWatch()
	if err := logic.InitState(StrategyName); err != nil {
		log.Panicln("ERROR", err.Error())
	}
	if err := logic.SyncPositions(positions); err != nil {
		log.Panicln("ERROR", err.Error())
	}

	// 第三步：连接成功后接管首次持仓并打印账户概览。
	logic.Overview(assets, positions)
	signals, err := libs.FetchSignal(libs.Dcm_Signal, config.Account.HostKey)
	if err != nil {
		log.Printf("[ERROR] [ZT] 获取开仓信号失败: %v", err)
		signals = &libs.SignalResult{Data: map[string]libs.SignalItem{}}
	}
	log.Printf("[INFO] [ZT] 已加载 %d 个开仓信号", len(signals.Data))

	// 第四步：工作日每 30 秒触发，交易时段由 RunOnce 统一判断。
	books := logic.NewOrderBook()
	scheduler := cron.New(
		cron.WithSeconds(),
		cron.WithChain(cron.SkipIfStillRunning(cron.DefaultLogger)),
	)
	if _, err := scheduler.AddFunc("0,30 * 9-15 * * 1-5", func() {
		logic.RunOnce(ctx, client, books, signals)
	}); err != nil {
		log.Fatalf("[ERROR] 创建计划任务失败: %v", err)
	}
	scheduler.Start()
	log.Printf("[INFO] [ZT] 计划任务已启动")

	<-ctx.Done()
	<-scheduler.Stop().Done()
	log.Printf("[INFO] [ZT] 停止")
}

func waitForQMT(ctx context.Context, client *sdk.Client) (*sdk.Assets, []sdk.Position, bool) {
	for {
		attempt, cancel := context.WithTimeout(ctx, config.HttpTimeOut)
		assets, assetsErr := client.Assets(attempt)
		_, positions, positionsErr := client.Positions(attempt)
		cancel()
		if assetsErr == nil && positionsErr == nil {
			log.Printf("[INFO] [ZT] QMT连接成功: %s", config.Global.QMTBaseURL)
			return assets, positions, true
		}
		log.Printf("[WARNING] [ZT] QMT未就绪，5秒后重试: assets=%v positions=%v", assetsErr, positionsErr)
		select {
		case <-ctx.Done():
			return nil, nil, false
		case <-time.After(5 * time.Second):
		}
	}
}