# Copyright (C) 2024 Intel Corporation
# SPDX-License-Identifier: Apache-2.0

import asyncio
import os
import sys

from comps import AvatarChatbotGateway, MicroService, ServiceOrchestrator, ServiceType

MEGA_SERVICE_HOST_IP = os.getenv("MEGA_SERVICE_HOST_IP", "0.0.0.0")
MEGA_SERVICE_PORT = int(os.getenv("MEGA_SERVICE_PORT", 8888))
ASR_SERVICE_HOST_IP = os.getenv("ASR_SERVICE_HOST_IP", "0.0.0.0")
ASR_SERVICE_PORT = int(os.getenv("ASR_SERVICE_PORT", 9099))
LLM_SERVICE_HOST_IP = os.getenv("LLM_SERVICE_HOST_IP", "0.0.0.0")
LLM_SERVICE_PORT = int(os.getenv("LLM_SERVICE_PORT", 9000))
TTS_SERVICE_HOST_IP = os.getenv("TTS_SERVICE_HOST_IP", "0.0.0.0")
TTS_SERVICE_PORT = int(os.getenv("TTS_SERVICE_PORT", 9088))
ANIMATION_SERVICE_HOST_IP = os.getenv("ANIMATION_SERVICE_HOST_IP", "0.0.0.0")
ANIMATION_SERVICE_PORT = int(os.getenv("ANIMATION_SERVICE_PORT", 9066))


def check_env_vars(env_var_list):
    for var in env_var_list:
        if os.getenv(var) is None:
            print(f"Error: The environment variable '{var}' is not set.")
            sys.exit(1)  # Exit the program with a non-zero status code
    print("All environment variables are set.")


class AvatarChatbotService:
    def __init__(self, host="0.0.0.0", port=8000):
        self.host = host
        self.port = port
        self.megaservice = ServiceOrchestrator()

    def add_remote_service(self):
        asr = MicroService(
            name="asr",
            host=ASR_SERVICE_HOST_IP,
            port=ASR_SERVICE_PORT,
            endpoint="/v1/audio/transcriptions",
            use_remote_service=True,
            service_type=ServiceType.ASR,
        )
        llm = MicroService(
            name="llm",
            host=LLM_SERVICE_HOST_IP,
            port=LLM_SERVICE_PORT,
            endpoint="/v1/chat/completions",
            use_remote_service=True,
            service_type=ServiceType.LLM,
        )
        tts = MicroService(
            name="tts",
            host=TTS_SERVICE_HOST_IP,
            port=TTS_SERVICE_PORT,
            endpoint="/v1/audio/speech",
            use_remote_service=True,
            service_type=ServiceType.TTS,
        )
        animation = MicroService(
            name="animation",
            host=ANIMATION_SERVICE_HOST_IP,
            port=ANIMATION_SERVICE_PORT,
            endpoint="/v1/animation",
            use_remote_service=True,
            service_type=ServiceType.ANIMATION,
        )
        self.megaservice.add(asr).add(llm).add(tts).add(animation)
        self.megaservice.flow_to(asr, llm)
        self.megaservice.flow_to(llm, tts)
        self.megaservice.flow_to(tts, animation)
        self.gateway = AvatarChatbotGateway(megaservice=self.megaservice, host="0.0.0.0", port=self.port)


if __name__ == "__main__":
    check_env_vars(
        [
            "MEGA_SERVICE_HOST_IP",
            "MEGA_SERVICE_PORT",
            "ASR_SERVICE_HOST_IP",
            "ASR_SERVICE_PORT",
            "LLM_SERVICE_HOST_IP",
            "LLM_SERVICE_PORT",
            "TTS_SERVICE_HOST_IP",
            "TTS_SERVICE_PORT",
            "ANIMATION_SERVICE_HOST_IP",
            "ANIMATION_SERVICE_PORT",
        ]
    )

    avatarchatbot = AvatarChatbotService(host=MEGA_SERVICE_HOST_IP, port=MEGA_SERVICE_PORT)
    avatarchatbot.add_remote_service()