"""Production entry point for the Calendar Display application."""
import os
import sys

os.chdir(os.path.dirname(os.path.abspath(__file__)))

from backend.app import create_app
from backend.scheduler import start_scheduler, stop_scheduler
from backend.models import _EMITTED_PASSWORDS, get_auth_config

# Use environment variable to toggle debug, default False for production
DEBUG = os.environ.get("FLASK_DEBUG", "").lower() in ("1", "true", "yes")

db_path = os.environ.get("FLASK_DB_PATH", os.path.join(os.path.dirname(__file__), "data.db"))
app = create_app(db_path=db_path)

if __name__ == "__main__":
    # In debug mode, scheduler runs only in the reloader child process
    is_reloader_child = os.environ.get("WERKZEUG_RUN_MAIN") == "true"

    if not DEBUG or is_reloader_child:
        start_scheduler(app)

    # Print temp password at startup
    with app.app_context():
        if not _EMITTED_PASSWORDS:
            cfg = get_auth_config()
            pw = cfg.get("temp_password", "")
            if pw and cfg.get("must_configure_mfa"):
                print(f"\n{'='*50}", file=sys.stderr)
                print(f"  🔐 临时密码: {pw}", file=sys.stderr)
                print(f"  ⚠️  请使用此密码登录并配置双因素认证", file=sys.stderr)
                print(f"{'='*50}\n", file=sys.stderr)

    try:
        bind_host = os.environ.get("FLASK_BIND", "127.0.0.1")
        app.run(host=bind_host, port=5001, debug=DEBUG, threaded=True)
    finally:
        if not DEBUG or is_reloader_child:
            stop_scheduler()