"""Factory port for creating runtime ASR/LLM/TTS services."""

from __future__ import annotations

from typing import Protocol

from runtime.ports.asr import ASRPort, ASRServiceSpec
from runtime.ports.llm import LLMPort, LLMServiceSpec
from runtime.ports.tts import TTSPort, TTSServiceSpec


class RealtimeServiceFactory(Protocol):
    """Port for provider-specific service construction."""

    def create_llm_service(self, spec: LLMServiceSpec) -> LLMPort:
        """Create an LLM service instance from a resolved spec."""

    def create_tts_service(self, spec: TTSServiceSpec) -> TTSPort:
        """Create a TTS service instance from a resolved spec."""

    def create_asr_service(self, spec: ASRServiceSpec) -> ASRPort:
        """Create an ASR service instance from a resolved spec."""