"""修补基础平台 app.py，注册 insurance Blueprint。
在 Docker 构建时执行，将注册代码注入到 app.py 中。
"""
APP_PY = "/app/api/app.py"

INSURANCE_FUNC = (
    "\n# ====== Insurance Blueprint Auto-Register ======\n"
    "def _register_insurance(app):\n"
    '    """Register insurance Blueprint after base platform app is created."""\n'
    "    import os\n"
    "    # Load insurance module config into Flask app.config\n"
    "    for key in ['BAODAN_CHAT_API_KEY', 'BAODAN_WORKFLOW_API_KEY', 'BAODAN_API_URL',\n"
    "                'BAODAN_KB_API_KEY', 'WECOM_CORP_ID', 'WECOM_SECRET',\n"
    "                'WECOM_TOKEN', 'WECOM_AES_KEY', 'WECOM_WEBHOOK_URL',\n"
    "                'MAIL_TYPE', 'MAIL_DEFAULT_SEND_FROM', 'SMTP_SERVER',\n"
    "                'SMTP_PORT', 'SMTP_USERNAME', 'SMTP_PASSWORD',\n"
    "                'SMTP_USE_TLS', 'SMTP_OPPORTUNISTIC_TLS',\n"
    "                'RESEND_API_KEY', 'RESEND_API_URL', 'SENDGRID_API_KEY',\n"
    "                'JWT_SECRET', 'JWT_EXPIRE_SECONDS', 'GUEST_MODE']:\n"
    "        if key in os.environ:\n"
    "            app.config[key] = os.environ[key]\n"
    "    try:\n"
    "        from insurance.routes import register_insurance_routes\n"
    "        register_insurance_routes(app)\n"
    "        # Run insurance database migrations on startup\n"
    "        app.config['MIGRATION_ENABLED'] = True\n"
    "        from insurance.db import run_migrations\n"
    "        with app.app_context():\n"
    "            run_migrations()\n"
    "    except Exception as e:\n"
    "        import logging\n"
    '        logging.warning(f"Insurance module not loaded: {e}")\n'
    "# ====== END Insurance ======\n\n"
)


def patch_app_py():
    with open(APP_PY, "r") as f:
        content = f.read()

    if "register_insurance_routes" in content:
        print("[patch_app.py] Already patched, skipping.")
        return

    # 1. Insert _register_insurance function definition before "def is_db_command"
    marker = "\ndef is_db_command"
    if marker in content:
        content = content.replace(marker, "\n" + INSURANCE_FUNC + "def is_db_command", 1)

    # 2. db command branch: register after app creation
    content = content.replace(
        "    app = create_migrations_app()\n    socketio_app = app",
        "    app = create_migrations_app()\n    _register_insurance(app)\n    socketio_app = app",
        1,
    )

    # 3. Normal startup branch: register after flask_app creation
    content = content.replace(
        "    socketio_app, flask_app = create_app()\n    app = flask_app",
        "    socketio_app, flask_app = create_app()\n    _register_insurance(flask_app)\n    app = flask_app",
        1,
    )

    with open(APP_PY, "w") as f:
        f.write(content)

    print("[patch_app.py] Patched app.py with insurance Blueprint registration and migration.")


if __name__ == "__main__":
    patch_app_py()