powerpaneld/main.go

package main

import (
	"fmt"
	"net/http"
	"strings"
	"time"

	"go.wit.com/log"
	"go.wit.com/lib/gui/shell"
)

// var accessf, clientf *os.File

// var repoMap map[string]string
// var versionMap map[string]string
// var keysSorted []string

// remove '?' part and trailing '/'
func cleanURL(url string) string {
	url = "/" + strings.Trim(url, "/")
	return url
}

func okHandler(w http.ResponseWriter, r *http.Request) {
	var tmp string
	tmp = cleanURL(r.URL.Path)
	parts := strings.Split(tmp, "?")
	log.Warn("URL =", tmp)
	log.Info("client sent url =", tmp)
	log.Info("parts are:", parts)
	// requrl := parts[0]

	if tmp == "/powersource" {
		fmt.Fprintln(w, "TODO: fix this")
		return
	}
	if tmp == "/lastoutage" {
		// r := shell.Output("", []string{"ls", "-l", "/"})
		r := shell.Run([]string{"pwrstat", "-status"})

		// log.Info("ls -l / START")
		// log.Info("ls -l / =", r.Stdout())
		// log.Info("ls -l / END")

		output := strings.Join(r.Stdout, "\n")
		fmt.Fprintln(w, output)
		return
	}
	fmt.Fprintln(w, "UNKNOWN URL:", tmp)
	// log.Warn("BAD URL =", url, "REPO URL =", repourl)
	// badurl(w, r.URL.String())
	// fmt.Fprintln(w, "BAD", tmp)
}

func main() {
	var hostname string = args.Hostname

	if hostname == "" {
		hostname = "localhost"
	}

	log.Info("curl http://" + hostname + ":3000/powersource    # shows if your power grid is up")
	log.Info("curl http://" + hostname + ":3000/lastoutage     # shows the last time your power grid went down")
	log.Info("hostname =", hostname)

	http.HandleFunc("/", okHandler)
	err := http.ListenAndServe(":3000", nil)
	if err != nil {
		log.Println("Error starting server:", err)
	}
}

func formatDuration(d time.Duration) string {
	seconds := int(d.Seconds()) % 60
	minutes := int(d.Minutes()) % 60
	hours := int(d.Hours()) % 24
	days := int(d.Hours()) / 24

	result := ""
	if days > 0 {
		result += fmt.Sprintf("%dd ", days)
		return result
	}
	if hours > 0 {
		result += fmt.Sprintf("%dh ", hours)
		return result
	}
	if minutes > 0 {
		result += fmt.Sprintf("%dm ", minutes)
		return result
	}
	if seconds > 0 {
		result += fmt.Sprintf("%ds", seconds)
	}
	return result
}