import json
import sys
from pathlib import Path
from typing import Optional

import requests

from log_util import get_logger, log_request
from session_state import get_sess_key


ROOT = Path(__file__).resolve().parent
CONFIG_PATH = ROOT / "config.json"


def load_config():
    if not CONFIG_PATH.exists():
        raise FileNotFoundError(f"配置文件未找到: {CONFIG_PATH}")
    with open(CONFIG_PATH, "r", encoding="utf-8") as f:
        return json.load(f)


def add_acl_rule(
    dst_addr: str,
    comment: str,
    protocol: str = "any",
    action: str = "drop",
    dir: str = "forward",
    ctdir: str = "0",
    iinterface: str = "any",
    ointerface: str = "any",
    src_addr: str = "",
    src_port: str = "",
    dst_port: str = "",
    enabled: str = "yes",
    week: str = "1234567",
    time: str = "00:00-23:59",
    ip_type: str = "4",
    src6_addr: str = "",
    dst6_addr: str = "",
    src6_mode: str = "",
    dst6_mode: str = "",
    src6_suffix: str = "",
    dst6_suffix: str = "",
    timeout: int = 10
):
    """Send ACL add POST. Returns requests.Response and parsed JSON data.

    dst_addr: Comma-separated destination addresses, e.g., "1.2.3.4,2.4.5.6"
    comment: Comment for the rule, e.g., "remark_kkkkkk"
    Other parameters have defaults based on the example.
    """
    cfg = load_config()
    base = cfg.get("base_url", "").rstrip("/")
    url = f"{base}/Action/call"
    data = {
        "func_name": "acl",
        "action": "add",
        "param": {
            "protocol": protocol,
            "action": action,
            "dir": dir,
            "ctdir": ctdir,
            "iinterface": iinterface,
            "ointerface": ointerface,
            "src_addr": src_addr,
            "dst_addr": dst_addr,
            "src_port": src_port,
            "dst_port": dst_port,
            "comment": comment,
            "enabled": enabled,
            "week": week,
            "time": time,
            "ip_type": ip_type,
            "src6_addr": src6_addr,
            "dst6_addr": dst6_addr,
            "src6_mode": src6_mode,
            "dst6_mode": dst6_mode,
            "src6_suffix": src6_suffix,
            "dst6_suffix": dst6_suffix
        }
    }
    logger = get_logger("add_acl_post")

    # Get sess_key from global state
    sess_key = get_sess_key()
    if not sess_key:
        raise ValueError("未找到 sess_key，请先登录")

    cookies = {"sess_key": sess_key.split("=")[1].rstrip(";")}  # Extract value from "sess_key=value;"

    logger.debug(f"准备发送请求，URL: {url}")
    resp = requests.post(url, json=data, cookies=cookies, timeout=timeout)

    # 记录请求/响应
    try:
        log_request(logger, "add_acl_rule", url, data, resp)
    except Exception:
        logger.exception("记录请求/响应失败")

    # Parse JSON response
    try:
        json_data = resp.json()
    except ValueError:
        json_data = None

    return resp, json_data


def main():
    logger = get_logger("main")
    try:
        # Example: Add ACL rule to drop traffic to 1.2.3.4 and 2.4.5.6 with comment "remark_kkkkkk"
        resp, data = add_acl_rule(dst_addr="1.2.3.4,2.4.5.6", comment="remark_kkkkkk")
    except FileNotFoundError as e:
        logger.error(f"配置错误: {e}")
        sys.exit(2)
    except ValueError as e:
        logger.error(f"会话错误: {e}")
        sys.exit(3)
    except requests.RequestException as e:
        logger.error(f"请求失败: {e}")
        sys.exit(1)

    # 控制台友好输出
    logger.info(f"状态: {resp.status_code}")
    if data:
        try:
            pretty = json.dumps(data, ensure_ascii=False, indent=2)
            logger.info(f"响应 JSON:\n{pretty}")
            print(pretty)
        except Exception:
            logger.info(f"响应文本: {resp.text}")
            print(resp.text)
    else:
        logger.info(f"响应文本: {resp.text}")
        print(resp.text)


if __name__ == "__main__":
    main()