package main

import (
	"fmt"
	"log"
	"net/http"
	"os"
	"time"
)

func main() {
	http.HandleFunc("/", helloHandler)
	http.HandleFunc("/health", healthHandler)
	
	// port := "8080"
	port := os.Getenv("PORT")
	if port == "" {
		port = "8080"
	}
	
	log.Printf("Server starting on port %s", port)
	log.Fatal(http.ListenAndServe(":"+port, nil))
}

func helloHandler(w http.ResponseWriter, r *http.Request) {
	name := r.URL.Query().Get("name")
	if name == "" {
		name = "World"
	}
	fmt.Fprintf(w, "Hello %s!\n", name)
}

func healthHandler(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json")
	fmt.Fprintf(w, `{"status": "healthy", "timestamp": "%s"}`, time.Now().Format(time.RFC3339))
}