import os
import streamlit as st
import whisperx
import torch
from utils import convert_segments_object_to_text, check_password
from gigiachat_requests import get_access_token, get_completion_from_gigachat, get_number_of_tokens
from openai_requests import get_completion_from_openai

if check_password():    
    st.title('Audio Transcription App')
    st.sidebar.title("Settings")
    
    device = os.getenv('DEVICE')
    batch_size = int(os.getenv('BATCH_SIZE'))
    compute_type = os.getenv('COMPUTE_TYPE')

    initial_base_prompt = os.getenv('BASE_PROMPT')
    initial_processing_prompt = os.getenv('PROCCESS_PROMPT')

    llm = st.sidebar.selectbox("LLM", ["GigaChat", "Chat GPT"], index=0)
    base_prompt = st.sidebar.text_area("Промпт для резюмирования", value=initial_base_prompt)
    max_tokens_summary = st.sidebar.number_input("Максимальное количество токенов при резюмировании", min_value=1, value=1024)

    enable_summarization = st.sidebar.checkbox("Добавить обработку транскрибации", value=False)
    processing_prompt = st.sidebar.text_area("Промпт для обработки транскрибации", value=initial_processing_prompt)

    ACCESS_TOKEN = st.secrets["HF_TOKEN"]

    uploaded_file = st.file_uploader("Загрузите аудиофайл", type=["mp4", "wav", "m4a"])

    if uploaded_file is not None:
        file_name = uploaded_file.name

        if 'file_name' not in st.session_state or st.session_state.file_name != file_name:
            st.session_state.transcript = ''
            st.session_state.file_name = file_name
            print(st.session_state.file_name)
            print(st.session_state.transcript)

        print(st.session_state.file_name)
        print(st.session_state.transcript)
            
        st.audio(uploaded_file)
        file_extension = uploaded_file.name.split(".")[-1]  # Получаем расширение файла
        temp_file_path = f"temp_file.{file_extension}"  # Создаем временное имя файла с правильным расширением
    
        with open(temp_file_path, "wb") as f:
            f.write(uploaded_file.getbuffer())

        print(st.session_state.transcript)
        if 'transcript' not in st.session_state or st.session_state.transcript == '':
    
            with st.spinner('Транскрибируем...'):
                # Load model
                model = whisperx.load_model(os.getenv('WHISPER_MODEL_SIZE'), device, compute_type=compute_type)
                # Load and transcribe audio
                audio = whisperx.load_audio(temp_file_path)
                result = model.transcribe(audio, batch_size=batch_size, language="ru")
                print('Transcribed, now aligning')
        
                model_a, metadata = whisperx.load_align_model(language_code=result["language"], device=device)
                result = whisperx.align(result["segments"], model_a, metadata, audio, device, return_char_alignments=False)
                print('Aligned, now diarizing')
        
                diarize_model = whisperx.DiarizationPipeline(use_auth_token=st.secrets["HF_TOKEN"], device=device)
                diarize_segments = diarize_model(audio)
                result_diar = whisperx.assign_word_speakers(diarize_segments, result)
        
            transcript = convert_segments_object_to_text(result_diar)
            st.session_state.transcript = transcript
        else:
            
            transcript = st.session_state.transcript
            
        st.write("Результат транскрибации:")
        st.text(transcript)
    
        if (enable_summarization):
            with st.spinner('Обрабатываем транскрибацию...'):

                if (llm == 'GigaChat'):
                    access_token = get_access_token()
                    number_of_tokens = get_number_of_tokens(transcript, access_token)
                    print('Количество токенов в транскрибации: ' + str(number_of_tokens))
                    transcript = get_completion_from_gigachat(processing_prompt + transcript, number_of_tokens + 1000, access_token)
                elif (llm == 'Chat GPT'):
                    transcript = get_completion_from_openai(processing_prompt + transcript)
                
                st.write("Результат обработки:")
                st.text(transcript)

        
    
        with st.spinner('Резюмируем...'):
            if (llm == 'GigaChat'):
                summary_answer = get_completion_from_gigachat(base_prompt + transcript, max_tokens_summary, access_token)
            elif (llm == 'Chat GPT'):
                summary_answer = get_completion_from_openai(base_prompt + transcript, max_tokens_summary)
        
            st.write("Результат резюмирования:")
            st.text(summary_answer)