# import vonage
# client = vonage.Client(key="712db024", secret="L4RYeQ2EWbHG6UTY")
# sms = vonage.Sms(client)
# responseData = sms.send_message(
#     {
#         "from": "Vonage APIs",
#         "to": "917869844761",
#         "text": "A text message sent using the Nexmo SMS API",
#     }
# )

# if responseData["messages"][0]["status"] == "0":
#     print("Message sent successfully.")
# else:
#     print(f"Message failed with error: {responseData['messages'][0]['error-text']}")
from fastapi import FastAPI, HTTPException
from pydantic import BaseModel
from vonage import Client, Sms
from datetime import datetime, timedelta
import schedule
import asyncio
import time
import vonage

app = FastAPI()
client = vonage.Client(key="712db024", secret="L4RYeQ2EWbHG6UTY")
sms = vonage.Sms(client)

class MessageRequest(BaseModel):
    phone_num: str
    text: str
    scheduled_time: str  # HH:MM format

async def send_scheduled_sms(message_request: MessageRequest):
    try:
        response = sms.send_message(
            {
                "from": "Vonage APIs",
                "to": message_request.phone_num,
                "text": f"This is your medicine reminder for {message_request.text}"
            }
        )
        print(f"SMS sent to {message_request.phone_num} at {message_request.scheduled_time}")
    except Exception as e:
        print(f"Failed to send SMS to {message_request.phone_num}: {e}")


async def schedule_sms(message_request: MessageRequest):
    scheduled_time = datetime.strptime(message_request.scheduled_time, "%H:%M")
    now = datetime.now()
    delta = scheduled_time - now
    seconds_until_scheduled_time = delta.total_seconds()

    if seconds_until_scheduled_time > 0:
        print(f"Scheduling SMS for {message_request.phone_num} at {scheduled_time}")
        await asyncio.sleep(seconds_until_scheduled_time)
        await send_scheduled_sms(message_request)


@app.post("/send_scheduled_sms")
async def send_scheduled_sms_endpoint(message_request: MessageRequest):
    asyncio.create_task(schedule_sms(message_request))
    return {"message": f"SMS scheduled for {message_request.phone_num} at {message_request.scheduled_time}"}
    

if __name__ == "__main__":
    import uvicorn

    uvicorn.run(app, host="127.0.0.1", port=8000)


# uvicorn test:app --reload