import os
import gradio as gr

from api.audio import STTManager, TTSManager
from api.llm import LLMManager
from utils.config import Config
from resources.prompts import prompts
from ui.coding import get_problem_solving_ui
from ui.instructions import get_instructions_ui
from utils.params import default_audio_params


def initialize_services():
    """Initialize configuration, LLM, TTS, and STT services."""
    config = Config()
    llm = LLMManager(config, prompts)
    tts = TTSManager(config)
    stt = STTManager(config)
    default_audio_params["streaming"] = stt.streaming
    if os.getenv("SILENT", False):
        tts.read_last_message = lambda x: None
    return config, llm, tts, stt


def create_interface(llm, tts, stt, audio_params):
    """Create and configure the Gradio interface."""
    with gr.Blocks(title="AI Interviewer") as demo:
        audio_output = gr.Audio(label="Play audio", autoplay=True, visible=os.environ.get("DEBUG", False), streaming=tts.streaming)
        tabs = [
            get_instructions_ui(llm, tts, stt, audio_params),
            get_problem_solving_ui(llm, tts, stt, audio_params, audio_output, name="Coding", interview_type="coding"),
            get_problem_solving_ui(llm, tts, stt, audio_params, audio_output, name="ML Design (Beta)", interview_type="ml_design"),
            get_problem_solving_ui(llm, tts, stt, audio_params, audio_output, name="ML Theory (Beta)", interview_type="ml_theory"),
            get_problem_solving_ui(llm, tts, stt, audio_params, audio_output, name="System Design (Beta)", interview_type="system_design"),
            get_problem_solving_ui(llm, tts, stt, audio_params, audio_output, name="Math (Beta)", interview_type="math"),
            get_problem_solving_ui(llm, tts, stt, audio_params, audio_output, name="SQL (Beta)", interview_type="sql"),
        ]

        for tab in tabs:
            tab.render()
    return demo


def main():
    """Main function to initialize services and launch the Gradio interface."""
    config, llm, tts, stt = initialize_services()
    demo = create_interface(llm, tts, stt, default_audio_params)
    demo.launch(show_api=False)


if __name__ == "__main__":
    main()