package proxmoxaas_common_lib

import (
	"bytes"
	"encoding/json"
	"html/template"
	"log"
	"net/http"
	"time"
)

func HTTPExecuteHTMLTemplate(w http.ResponseWriter, t *template.Template, name string, d any) {
	w.Header().Set("Content-Type", "text/html")
	body := bytes.Buffer{}
	err := t.ExecuteTemplate(&body, name, d)
	if err != nil {
		w.WriteHeader(http.StatusInternalServerError)
		return
	} else {
		w.Write(body.Bytes())
		return
	}
}

func HTTPExecuteHTMLFragmentTemplate(w http.ResponseWriter, t *template.Template, name string, d any) {
	w.Header().Set("Content-Type", "text/plain")
	body := bytes.Buffer{}
	err := t.ExecuteTemplate(&body, name, d)
	if err != nil {
		w.WriteHeader(http.StatusInternalServerError)
		return
	} else {
		w.Write(body.Bytes())
		return
	}
}

func HTTPWriteJson(w http.ResponseWriter, code int, obj any) {
	w.Header().Set("Content-Type", "application/json")
	json, err := json.Marshal(obj)
	if err != nil {
		w.WriteHeader(http.StatusInternalServerError)
		return
	} else {
		w.WriteHeader(code)
		w.Write(json)
		return
	}
}

func LoggingMiddleware(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		start := time.Now()
		next.ServeHTTP(w, r)
		log.Printf("%s %s %s", r.Method, r.URL.Path, time.Since(start))
	})
}