import sys
import os
from pathlib import Path

from .gpt_providers.openai_chat_completion import openai_chatgpt
from .gpt_providers.gemini_pro_text import gemini_text_response
import google.generativeai as genai

from dotenv import load_dotenv
load_dotenv(Path('../.env'))

from loguru import logger
logger.remove()
logger.add(sys.stdout,
        colorize=True,
        format="<level>{level}</level>|<green>{file}:{line}:{function}</green>| {message}"
    )


def generate_blog_description(blog_content, gpt_providers):
    """
        Prompt designed to give SEO optimized blog descripton
    """
    logger.info("Generating Blog Meta Description for the given blog.")
    prompt = f"""As an expert SEO and blog writer, Compose a compelling meta description for the given blog content, 
        adhering to SEO best practices. Keep it between 150-160 characters. 
        Provide a glimpse of the content's value to entice readers.
        Respond with only one of your best effort and do not include your explanations. 
        Blog Content: '{blog_content}'"""

    if 'gemini' in gpt_providers:
        try:
            response = gemini_text_response(prompt)
            return response
        except Exception as err:
            logger.error("Failed to get response from gemini.")
    elif 'openai' in gpt_providers:
        try:
            response = openai_chatgpt(prompt)
            return response
        except Exception as err:
            SystemError(f"Error in generating blog summary: {err}")