"""
Monitor que verifica cada 30 segundos si Home Assistant esta listo.
Cuando este accesible, muestra un mensaje box y emite aviso sonoro.

Uso:
    python monitor_homeassistant.py
"""
import time
import subprocess
import sys
import os

# Fix encoding para Windows
if sys.platform == 'win32':
    import codecs
    sys.stdout = codecs.getwriter('utf-8')(sys.stdout.buffer, 'strict')
    sys.stderr = codecs.getwriter('utf-8')(sys.stderr.buffer, 'strict')

def check_homeassistant():
    """Verifica si Home Assistant esta corriendo en el VPS"""
    try:
        result = subprocess.run(
            ["ssh", "-i", r"C:\Users\juanm\Documents\GitHub\contabo",
             "root@185.187.169.109",
             "docker ps | grep homeassistant | grep -q Up && echo OK || echo NOK"],
            capture_output=True,
            timeout=10,
            text=True
        )
        return "OK" in result.stdout
    except Exception:
        return False

def mostrar_aviso():
    """Muestra message box y emite aviso sonoro"""
    # Message box
    ps_messagebox = """
Add-Type -AssemblyName System.Windows.Forms
[System.Windows.Forms.MessageBox]::Show(
    "Home Assistant esta listo en http://185.187.169.109:8123`n`nPasos siguientes:`n1. Crear cuenta admin`n2. Instalar HACS`n3. Instalar Alexa Media Player`n4. Generar API Token`n`nVer: INFRAESTRUCTURA/docs/home-assistant-setup-alexa.md",
    "Home Assistant Listo",
    [System.Windows.Forms.MessageBoxButtons]::OK,
    [System.Windows.Forms.MessageBoxIcon]::Information
)
"""
    subprocess.run(["powershell", "-STA", "-Command", ps_messagebox])
    
    # Aviso sonoro
    try:
        subprocess.run([
            "python",
            r"C:\Users\juanm\Documents\GitHub\biblioteca_negocio_prolongo\scripts\aviso_sonoro.py",
            "ok"
        ])
    except Exception:
        pass

def main():
    print("=" * 70)
    print("  MONITOR HOME ASSISTANT - Verificando cada 30 segundos")
    print("=" * 70)
    print()
    print("Esperando a que Home Assistant este listo...")
    print("URL: http://185.187.169.109:8123")
    print()
    
    intentos = 0
    max_intentos = 60  # 30 minutos max
    
    while intentos < max_intentos:
        if check_homeassistant():
            print()
            print("=" * 70)
            print("  HOME ASSISTANT LISTO!")
            print("=" * 70)
            print()
            print("Accede a: http://185.187.169.109:8123")
            print("Documentacion: INFRAESTRUCTURA/docs/home-assistant-setup-alexa.md")
            print()
            mostrar_aviso()
            return
        
        intentos += 1
        tiempo_restante = (max_intentos - intentos) * 30 // 60
        print(f"[{intentos}/{max_intentos}] Aun no esta listo... (max {tiempo_restante} min)")
        time.sleep(30)
    
    print()
    print("=" * 70)
    print("  TIMEOUT - Home Assistant no arranque en 30 minutos")
    print("=" * 70)
    print()
    print("Verificar manualmente:")
    print("  ssh -i C:\\Users\\juanm\\Documents\\GitHub\\contabo root@185.187.169.109")
    print("  cd /opt/homeassistant && docker compose logs -f")

if __name__ == "__main__":
    main()