import importlib.util
from pathlib import Path


def load_agent_module():
    path = Path(__file__).resolve().parents[1] / "app" / "agent_assets" / "nexafabric-agent.py"
    spec = importlib.util.spec_from_file_location("nexafabric_agent", path)
    assert spec and spec.loader
    module = importlib.util.module_from_spec(spec)
    spec.loader.exec_module(module)
    return module


def test_parse_proxmox_reject_firewall_log_line():
    agent = load_agent_module()
    line = (
        "100 6 tap100i0-IN 09/Jul/2026:23:04:58 +0200 REJECT: IN=fwbr100i0 OUT=fwbr100i0 "
        "PHYSIN=fwln100i0 PHYSOUT=tap100i0 SRC=172.16.155.74 DST=172.16.0.100 LEN=52 "
        "TTL=128 ID=47107 PROTO=TCP SPT=58945 DPT=80"
    )

    flow = agent.parse_firewall_log_line(line)

    assert flow["source_ip"] == "172.16.155.74"
    assert flow["destination_ip"] == "172.16.0.100"
    assert flow["protocol"] == "tcp"
    assert flow["source_port"] == 58945
    assert flow["destination_port"] == 80
    assert flow["decision"] == "blocked"
    assert flow["state"] == "blocked"