import logging
import os
import sys
from typing import Any

from telegram import Update
from telegram.ext import ApplicationBuilder, CommandHandler, ContextTypes
from dotenv import load_dotenv
from src.financial_news_requester import fetch_comp_financial_news


sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
load_dotenv()

TELEGRAM_TOKEN = os.getenv("TELEGRAM_TOKEN")


def format_news_for_telegram(news_json: list[dict[str, Any]]) -> str:
    message = ""
    for item in news_json:
        message += (
            f"📰 <b>{item.get('headline')}</b>\n"
            f"📝 {item.get('summary')}\n"
            f"🏷️ Source: {item.get('source')}\n"
            f"🔗 <a href=\"{item.get('url')}\">Read more</a>\n\n"
        )
    return message


async def start(update: Update, context: ContextTypes.DEFAULT_TYPE):
    await update.message.reply_text("Hello! I'm your Financial Bot.")

async def run_crew(update: Update, context: ContextTypes.DEFAULT_TYPE):
    await update.message.reply_text("Running ...")
    try:
        feed = fetch_comp_financial_news()
        logging.info(f"processed: {feed} news")
        await update.message.reply_text(f"Result:\n{format_news_for_telegram(feed)}", parse_mode='HTML')
    except Exception as e:
        await update.message.reply_text(f"Error: {e}")

if __name__ == "__main__":
    logging.basicConfig(level=logging.INFO)
    app = ApplicationBuilder().token(TELEGRAM_TOKEN).build()
    app.add_handler(CommandHandler("start", start))
    app.add_handler(CommandHandler("run", run_crew))
    app.run_polling()