package main

import (
	"flag"
	"fmt"
	"os"
	"os/signal"
	"syscall"
	"time"

	"apps/backend/internal/config"

	"github.com/zeromicro/go-zero/core/conf"
	"github.com/zeromicro/go-zero/core/logx"
)

// Independent worker binary (A-03). M0 stub: config load + heartbeat log only.
// Outbox/job runners land in M2/M4 (T133/T169).
func main() {
	configFile := flag.String("f", "etc/gateway.yaml", "config file")
	flag.Parse()

	var c config.Config
	conf.MustLoad(*configFile, &c)
	c.ApplyEnv()

	workerID := c.Worker.ID
	if workerID == "" {
		workerID = "worker-1"
	}
	interval := time.Duration(c.Worker.PollIntervalMs) * time.Millisecond
	if interval <= 0 {
		interval = 2 * time.Second
	}

	logx.Infof("haixun worker stub started id=%s interval=%s (no publish yet)", workerID, interval)
	fmt.Printf("worker stub running id=%s (Ctrl+C to stop)\n", workerID)

	sig := make(chan os.Signal, 1)
	signal.Notify(sig, syscall.SIGINT, syscall.SIGTERM)

	tick := time.NewTicker(interval)
	defer tick.Stop()

	for {
		select {
		case <-sig:
			logx.Infof("worker %s shutting down", workerID)
			return
		case t := <-tick.C:
			// Health heartbeat only — no job/outbox processing in M0.
			logx.Infof("worker %s heartbeat at %s", workerID, t.UTC().Format(time.RFC3339))
		}
	}
}