import gradio as gr
from datetime import datetime
import random
from transformers import pipeline
from transformers.pipelines.audio_utils import ffmpeg_read

# Initialize the Whisper pipeline
whisper_pipeline = pipeline("automatic-speech-recognition", model="openai/whisper-medium")

def transcribe_audio_from_file(file_path):
    """
    Transcribes audio from a local file using the Whisper pipeline.

    Args:
        file_path (str): Path to the local media file.

    Returns:
        str: Transcription text if successful, otherwise None.
    """
    try:
        # Transcribe the audio using Whisper
        transcription = whisper_pipeline(file_path, return_timestamps=True)
        logger.debug(f"Transcription: {transcription['text']}")
        return transcription["text"]
    except Exception as e:
        logger.error(f"An error occurred during transcription: {e}")
        return None

# Initialize the translation pipeline
translation_pipeline = pipeline("translation", model="Helsinki-NLP/opus-mt-en-{target_language}")

def translate_text(text, target_language):
    """
    Translates the given text into the specified target language.

    Args:
        text (str): The text to translate.
        target_language (str): The target language code (e.g., 'es' for Spanish, 'fr' for French).

    Returns:
        str: Translated text if successful, otherwise None.
    """
    try:
        # Instantiate the pipeline for the target language dynamically
        translator = pipeline("translation", model=f"Helsinki-NLP/opus-mt-en-{target_language}")
        translation = translator(text, max_length=1000)
        translated_text = translation[0]["translation_text"]
        logger.debug(f"Translation to {target_language}: {translated_text}")
        return translated_text
    except Exception as e:
        logger.error(f"An error occurred during translation: {e}")
        return None

# Mock functions for platform actions and analytics
def mock_post_to_platform(platform, content_title):
    return f"Content '{content_title}' successfully posted on {platform}!"

def mock_analytics():
    return {
        "YouTube": {"Views": random.randint(1000, 5000), "Engagement Rate": f"{random.uniform(5, 15):.2f}%"},
        "Instagram": {"Views": random.randint(500, 3000), "Engagement Rate": f"{random.uniform(10, 20):.2f}%"},
    }

# Core functionalities
def upload_and_manage(file, platform, language):
    if file is None:
        return "Please upload a video/audio file.", None, None, None

    # Transcribe audio from uploaded media file
    transcription = transcribe_audio_from_media_file(file.name)

    # Translate transcription to the selected language
    translation = translate_text(transcription, language)

    # Mock posting action
    post_message = mock_post_to_platform(platform, file.name)

    # Mock analytics generation
    analytics = mock_analytics()

    return post_message, transcription, translation, analytics

def generate_dashboard(analytics):
    if not analytics:
        return "No analytics available."

    dashboard = "Platform Analytics:\n"
    for platform, data in analytics.items():
        dashboard += f"\n{platform}:\n"
        for metric, value in data.items():
            dashboard += f"  {metric}: {value}\n"
    return dashboard

# Gradio Interface with Tabs
def build_interface():
    with gr.Blocks() as demo:
        with gr.Tab("Content Management"):
            gr.Markdown("## Integrated Content Management")
            with gr.Row():
                file_input = gr.File(label="Upload Video/Audio File")
                platform_input = gr.Dropdown(["YouTube", "Instagram"], label="Select Platform")
                language_input = gr.Dropdown(["en", "es", "fr", "zh"], label="Select Language")  # Language codes
            
            submit_button = gr.Button("Post and Process")
            
            with gr.Row():
                post_output = gr.Textbox(label="Posting Status", interactive=False)
                transcription_output = gr.Textbox(label="Transcription", interactive=False)
                translation_output = gr.Textbox(label="Translation", interactive=False)

            submit_button.click(upload_and_manage, 
                                inputs=[file_input, platform_input, language_input], 
                                outputs=[post_output, transcription_output, translation_output, gr.State()])
        
        with gr.Tab("Analytics Dashboard"):
            gr.Markdown("## Content Performance Analytics")
            analytics_output = gr.Textbox(label="Dashboard", interactive=False)
            generate_dashboard_button = gr.Button("Generate Dashboard")

            generate_dashboard_button.click(generate_dashboard, inputs=[gr.State()], outputs=[analytics_output])

    return demo

demo = build_interface()
demo.launch()