// Command gateway 是 host-metrics-collector 的 Collector Gateway 入口：
// 在 4318 端口接收 Agent 的 protobuf 上报，并暴露指标/日志查询 REST API。
package main

import (
	"log"
	"net/http"
	"time"

	"git.opencomputing.cn/yumoqing/host-metrics-collector/internal/config"
	"git.opencomputing.cn/yumoqing/host-metrics-collector/internal/gateway"
)

func main() {
	cfg := config.DefaultGatewayConfig()
	store := gateway.NewStore(cfg.MaxMetricsPerHost, cfg.MaxLogsPerHost)
	srv := gateway.NewServer(cfg, store)

	httpSrv := &http.Server{
		Addr:              cfg.Addr,
		Handler:           srv.Handler(),
		ReadHeaderTimeout: 5 * time.Second,
		ReadTimeout:       30 * time.Second,
		WriteTimeout:      30 * time.Second,
		IdleTimeout:       60 * time.Second,
	}

	log.Printf("[gateway] listening on %s (agent token set=%v)", cfg.Addr, cfg.AgentToken != "")
	if err := httpSrv.ListenAndServe(); err != nil && err != http.ErrServerClosed {
		log.Fatalf("[gateway] listen: %v", err)
	}
}