#!/usr/bin/env python3
from core import temperature_logger as temp

PROMPT     = "> "
SHORT_HINT = "h = Hilfe"
VERSION    = "v1.0.0"

def print_short_banner():
    print("Temperatur-Logger " + VERSION)
    print("Mit 'h' Hilfe anzeigen.\n")

def print_help():
    print("""
VERFÜGBARE BEFEHLE
------------------
start | s                 Logger starten
stop  | p                 Logger stoppen
reset | r                 Messwerte zurücksetzen
interval <sek> | i <sek>  Messintervall setzen
status | t                Status anzeigen
help   | h                Diese Hilfe anzeigen
exit   | x                Programm beenden
""")

def handle_interval(cmd: str):
    parts = cmd.split()
    if len(parts) == 2 and parts[1].isdigit():
        temp.set_interval(int(parts[1]))
        print("OK")
    else:
        print("Verwendung: interval <sek>")

def handle_status():
    state = "RUNNING" if temp.running else "STOPPED"
    print(f"STATUS   : {state}")
    print(f"INTERVALL: {temp.INTERVAL}")

def main():
    print_short_banner()

    while True:
        try:
            cmd = input(PROMPT).strip().lower()
        except (EOFError, KeyboardInterrupt):
            print()
            temp.stop()
            break

        if not cmd:
            continue

        if cmd in ("start", "s"):
            temp.start()

        elif cmd in ("stop", "p"):
            temp.stop()

        elif cmd in ("reset", "r"):
            temp.reset()

        elif cmd.startswith("interval") or cmd.startswith("i "):
            handle_interval(cmd)

        elif cmd in ("status", "t"):
            handle_status()

        elif cmd in ("help", "h"):
            print_help()

        elif cmd in ("exit", "x"):
            temp.stop()
            break

        else:
            print(f"Unbekannter Befehl ({SHORT_HINT})")

if __name__ == "__main__":
    main()