from __future__ import annotations

import os
import threading
import time
import schedule

from app.config import load_config, setup_logging
from app.crawlers.barrons import BarronsCrawler
from app.crawlers.openinsider import OpenInsiderCrawler
from app.api.server import create_app


def start():
    # Load configuration and setup logging
    config = load_config()
    logger = setup_logging(config.log_level, config.log_dir)

    # Select crawler via env var
    crawler_type = (os.getenv('CRAWLER_TYPE') or 'barrons').lower()
    crawlers = []
    if crawler_type in ('openinsider', 'open_insider'):
        symbols_raw = os.getenv('SYMBOLS') or os.getenv('SYMBOL', 'PLTR')
        symbols = [s.strip().upper() for s in symbols_raw.split(',') if s.strip()]
        logger.info(f"使用 OpenInsider 內部人交易爬蟲，symbols={symbols}")
        for sym in symbols:
            crawlers.append(OpenInsiderCrawler(config, logger, symbol=sym))
    else:
        logger.info("使用 Barron's 股票推薦爬蟲")
        crawlers.append(BarronsCrawler(config, logger))

    # Create and start API in background
    app = create_app(crawlers if len(crawlers) > 1 else crawlers[0])

    def run_api():
        app.run(host='0.0.0.0', port=8080, debug=False)

    flask_thread = threading.Thread(target=run_api, daemon=True)
    flask_thread.start()

    # Schedule checks for each crawler and run loop (blocking)
    if getattr(config, 'run_daily_at', None):
        for c in crawlers:
            schedule.every().day.at(config.run_daily_at).do(c.run_check)
        logger.info(f"🚀 多爬蟲已啟動，每天 {config.run_daily_at} 檢查一次：{[getattr(c, 'symbol', c.name) for c in crawlers]}")
    else:
        for c in crawlers:
            schedule.every(config.check_interval).seconds.do(c.run_check)
        logger.info(f"🚀 多爬蟲已啟動，每 {config.check_interval} 秒檢查一次：{[getattr(c, 'symbol', c.name) for c in crawlers]}")

    # Initial run for each
    for c in crawlers:
        c.run_check()
        # Mark first check done to respect ALWAYS_NOTIFY_ON_STARTUP logic afterwards
        try:
            c._first_check_done = True
        except Exception:
            pass

    # Main loop
    try:
        while True:
            schedule.run_pending()
            time.sleep(1)
    except KeyboardInterrupt:
        logger.info("收到停止信號，正在關閉…")