from getpatter import Patter, Twilio

phone = Patter(carrier=Twilio(), phone_number="+15550001234")   # TWILIO_* from env

agent = phone.agent(
    system_prompt="You are a customer support agent for Acme Corp.",
    first_message="Hello! How can I help you today?",
)   # defaults to engine=OpenAIRealtime(), reads OPENAI_API_KEY

from getpatter import OpenAIRealtime

agent = phone.agent(
    engine=OpenAIRealtime(voice="nova"),
    system_prompt="You are a customer support agent for Acme Corp.",
)

from getpatter import DeepgramSTT, AnthropicLLM, ElevenLabsTTS

agent = phone.agent(
    stt=DeepgramSTT(endpointing_ms=80),        # DEEPGRAM_API_KEY from env
    llm=AnthropicLLM(),                        # ANTHROPIC_API_KEY from env
    tts=ElevenLabsTTS(voice_id="rachel"),      # ELEVENLABS_API_KEY from env
    system_prompt="You are a helpful assistant.",
    first_message="Hi!",
)

from getpatter.stt import deepgram
from getpatter.llm import anthropic
from getpatter.tts import elevenlabs

agent = phone.agent(
    stt=deepgram.STT(endpointing_ms=80),
    llm=anthropic.LLM(),
    tts=elevenlabs.TTS(voice_id="rachel"),
    system_prompt="You are a helpful assistant.",
)

from getpatter import Agent

agent = Agent(
    system_prompt="You are a helpful assistant.",
    voice="echo",
    language="es",
)

agent = phone.agent(
    system_prompt="""You are a scheduling assistant for Dr. Smith's dental office.

Rules:
- Only book appointments Monday through Friday, 9am to 5pm.
- Each appointment is 30 minutes.
- Always confirm the patient's name and phone number.
- If the patient has an emergency, transfer them to the front desk.
""",
)

agent = phone.agent(
    system_prompt="""You are a support agent for {company_name}.
The customer's name is {customer_name} and their account ID is {account_id}.
Greet them by name and help resolve their issue.""",
    variables={
        "company_name": "Acme Corp",
        "customer_name": "Jane Doe",
        "account_id": "ACC-12345",
    },
)

agent = phone.agent(
    system_prompt="You are a restaurant reservation assistant.",
    first_message="Good evening! Thank you for calling Luigi's. Would you like to make a reservation?",
)

agent = phone.agent(
    system_prompt="...",
    first_message="Hello!",
    prewarm_first_message=True,  # enable pre-rendering
)

import asyncio
from getpatter import SileroVAD

# Recommended for any phone-call deployment.
vad = await asyncio.to_thread(SileroVAD.for_phone_call)

agent = phone.agent(
    stt=DeepgramSTT(),
    llm=AnthropicLLM(),
    tts=ElevenLabsTTS(voice_id="rachel"),
    system_prompt="You are a helpful assistant.",
    vad=vad,
)

vad = await asyncio.to_thread(
    SileroVAD.for_phone_call, min_silence_duration=0.5
)

from getpatter import OpenAIRealtime, ElevenLabsConvAI, DeepgramSTT, AnthropicLLM, ElevenLabsTTS

# OpenAI Realtime (default engine) — end-to-end
agent = phone.agent(
    engine=OpenAIRealtime(),
    system_prompt="...",
)

# ElevenLabs Conversational AI — natural voices
agent = phone.agent(
    engine=ElevenLabsConvAI(agent_id="agent_abc123"),
    system_prompt="...",
)

# Pipeline — pick STT, LLM, TTS independently
agent = phone.agent(
    stt=DeepgramSTT(),
    llm=AnthropicLLM(),
    tts=ElevenLabsTTS(voice_id="rachel"),
    system_prompt="...",
)

import os
import asyncio
from dotenv import load_dotenv
from getpatter import Patter, Twilio, OpenAIRealtime, Tool, Guardrail

load_dotenv()

phone = Patter(
    carrier=Twilio(),                               # TWILIO_* from env
    phone_number=os.environ["PHONE_NUMBER"],
    webhook_url=os.environ["WEBHOOK_URL"],
)

async def check_availability(args: dict, ctx: dict) -> dict:
    # Hit your reservation system here.
    return {"available": True, "rooms": 3}

agent = phone.agent(
    engine=OpenAIRealtime(voice="nova"),            # OPENAI_API_KEY from env
    system_prompt="""You are a booking assistant for {hotel_name}.
Help guests check availability and make reservations.
Be warm, professional, and concise.""",
    language="en",
    first_message="Welcome to {hotel_name}! How can I assist you with your stay?",
    variables={"hotel_name": "The Grand Hotel"},
    tools=[
        Tool(
            name="check_availability",
            description="Check room availability for given dates",
            parameters={
                "type": "object",
                "properties": {
                    "check_in": {"type": "string", "description": "Check-in date (YYYY-MM-DD)"},
                    "check_out": {"type": "string", "description": "Check-out date (YYYY-MM-DD)"},
                    "guests": {"type": "integer", "description": "Number of guests"},
                },
                "required": ["check_in", "check_out"],
            },
            handler=check_availability,
        ),
    ],
    guardrails=[
        Guardrail(
            name="No pricing promises",
            blocked_terms=["discount", "free upgrade", "complimentary"],
            replacement="I'd be happy to check our current rates for you.",
        ),
    ],
)

async def main():
    await phone.serve(agent, port=8000)

asyncio.run(main())