"""
NovaAi – TTS-Engine-Hub
engines/chattts.py
Version: v0.0.1

Description:
  ChatTTS engine adapter.
  Implements TTSEngineBase interface for ChatTTS integration (dummy implementation).

Author: Abby (ChatGPT)
Date: 2025-07-23
Canvas: chattts.py
"""

import asyncio
from .engine_base import TTSEngineBase

class ChatTTSEngine(TTSEngineBase):
    async def synthesize(self, text: str, speaker: str = None, model: str = None, fmt: str = "mp3"):
        # Dummy implementation: returns an empty string as it doesn't produce a file.
        print("Warning: ChatTTSEngine.synthesize is a dummy and does not produce audio.")
        return ""

    def list_models(self):
        # Dummy implementation
        return ["chattts-v1", "chattts-v2"]

    def list_voices(self, model: str = None):
        # Dummy implementation
        return ["default", "custom1", "custom2"]

    def healthcheck(self):
        # Dummy implementation
        return {"status": "ok", "engine": "chattts"}

    async def selftest(self):
        # Dummy implementation
        return {"selftest": True, "engine": "chattts"}

if __name__ == "__main__":
    async def main():
        engine = ChatTTSEngine()
        print("Selftest:", await engine.selftest())
        print("Models:", engine.list_models())
        print("Voices:", engine.list_voices())
        print("Healthcheck:", engine.healthcheck())

    asyncio.run(main())