package main

import (
	"embed"
	"flag"
	"fmt"
	"io/fs"
	"log"
	"net/http"
	"processSupervisor/htop"
	"processSupervisor/mainPage"
)

//go:embed static
var staticFS embed.FS

func main() {

	port := flag.Uint("port", 9400, "listening port")
	cfgDir := flag.String("cfg", "./dist", "configuration directory")
	htopHandler, err := htop.NewHTopHandler()
	if err != nil {
		panic(err)
	}

	mP, err := mainPage.NewMainPage(*cfgDir)
	if err != nil {
		panic(err)
	}

	staticSub, err := fs.Sub(staticFS, "static")
	if err != nil {
		log.Fatal(err)
	}

	http.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.FS(staticSub))))

	http.HandleFunc("/taskmanager/htop", htopHandler.UpdateHTop)
	http.HandleFunc("/", mP.LoadMainPage)
	http.HandleFunc("/start-process", mP.StartProcess)
	http.HandleFunc("/stop-process", mP.StopProcess)
	http.HandleFunc("/restart-process", mP.RestartProcess)
	http.HandleFunc("/processes", mP.UpdateMainPage)
	http.HandleFunc("/taskmanager/kill", htop.KillHandler)
	http.HandleFunc("/taskmanager/usage", htop.UsageHandler)

	log.Printf("Listening on http://localhost:%d\n", *port)
	log.Fatal(http.ListenAndServe(fmt.Sprintf(":%d", *port), nil))
}