from machine import Pin
import utime

led_red  = Pin(13, Pin.OUT)
led_grn  = Pin(12, Pin.OUT)
buzzer   = Pin(14, Pin.OUT)

OWNER_NAME    = "Sakthivel"
EMERGENCY_NO  = "+917200589297"
GPS_LAT       = "12.971600"
GPS_LON       = "77.594600"

ALERT_ACTIVE  = False

def led_safe():
    led_grn.on()
    led_red.off()
    buzzer.off()

def led_alert():
    led_grn.off()
    led_red.on()
    buzzer.on()

def print_separator():
    print("=" * 50)

def trigger_alert(source):
    global ALERT_ACTIVE

    if ALERT_ACTIVE:
        print("⚠️ Alert already active")
        return

    ALERT_ACTIVE = True

    print_separator()
    print(f"🚨 EMERGENCY ALERT!")
    print(f"📌 Triggered by: {source}")
    print_separator()

    led_alert()

    print("📍 Reading location...")
    utime.sleep(0.5)
    print(f"📍 Latitude  : {GPS_LAT}")
    print(f"📍 Longitude : {GPS_LON}")
    print(f"🌍 Maps: https://maps.google.com/?q={GPS_LAT},{GPS_LON}")

    print_separator()
    print(f"📩 Sending SMS to {EMERGENCY_NO}...")
    utime.sleep(0.5)
    print("✅ SMS SENT")

    print_separator()
    print(f"📞 Calling {EMERGENCY_NO}...")
    utime.sleep(0.5)
    print("✅ CALL INITIATED")

    print_separator()
    print("📸 Camera triggered")
    print_separator()

    print("⏹ Type 'cancel' to reset system")
    print_separator()

def cancel_alert():
    global ALERT_ACTIVE

    ALERT_ACTIVE = False
    led_safe()

    print_separator()
    print("🟢 Alert cancelled — System SAFE")
    print_separator()

def check_input():
    cmd = input().strip().lower()

    if cmd:
        print(f"🎤 Input: {cmd}")

        if cmd == "help":
            trigger_alert("Voice Command")

        elif cmd == "button":
            trigger_alert("SOS Button")

        elif cmd == "motion":
            trigger_alert("Motion Sensor")
        
        elif cmd == "heartrate":
            print("❤️ Simulating high heart rate...")
            trigger_alert("Heart Rate Spike")

        elif cmd == "cancel":
            cancel_alert()

        else:
            print("❌ Unknown command")


print_separator()
print("🛡 SafeWatch Emergency System")
print(f"👤 Owner   : {OWNER_NAME}")
print(f"📞 Contact : {EMERGENCY_NO}")
print("✅ System READY")
print_separator()

print("👉 Commands:")
print("   help    → Voice trigger")
print("   button  → SOS button")
print("   motion  → Motion detection")
print("   heartrate → Heart rate trigger")
print("   cancel    → Reset system")
print_separator()

import random

def check_heart_rate():
    heart_rate = random.randint(60, 140) 

    

    if heart_rate > 120:
        print(f"❤️ Heart Rate: {heart_rate} BPM")
        print("⚠️ High heart rate detected!")
        trigger_alert("Heart Rate Spike")

    utime.sleep(1)

led_safe()

while True:
    check_input()
    check_heart_rate()