package main

import (
	"encoding/json"
	"fmt"
	"net/http"
	"os"
)

type HealthcheckResponse struct {
	Healthcheck string `json:"status"`
}

type HostnameResponse struct {
	Hostname string `json:"hostname"`
}

func getHealthcheckHandler(w http.ResponseWriter, r *http.Request) {
	response := HealthcheckResponse{
		Healthcheck: "healthy",
	}

	jsonData, err := json.Marshal(response)
	if err != nil {
		http.Error(w, "Error encoding response", http.StatusInternalServerError)
		return
	}

	w.Header().Set("Content-Type", "application/json")
	w.WriteHeader(http.StatusOK)
	w.Write(jsonData)
}

func getHostnameHandler(w http.ResponseWriter, r *http.Request) {
	hostname, err := os.Hostname()
	if err != nil {
		http.Error(w, "Error getting hostname", http.StatusInternalServerError)
		return
	}

	response := HostnameResponse{
		Hostname: hostname,
	}

	jsonData, err := json.Marshal(response)
	if err != nil {
		http.Error(w, "Error encoding response", http.StatusInternalServerError)
		return
	}

	w.Header().Set("Content-Type", "application/json")
	w.WriteHeader(http.StatusOK)
	w.Write(jsonData)
}

func main() {
	http.HandleFunc("/healthz", getHealthcheckHandler)
	http.HandleFunc("/api/v1/getHostname", getHostnameHandler)

	port := 8080
	fmt.Printf("Server listening on port %d...\n", port)
	err := http.ListenAndServe(fmt.Sprintf(":%d", port), nil)
	if err != nil {
		fmt.Println("Error starting server:", err)
	}
}