import pytest
from common import process
import time


@pytest.fixture()
def chap_secrets_config():
    return "loginCSAB     *           pass123   192.0.2.37"


@pytest.fixture()
def accel_pppd_config(veth_pair_netns, chap_secrets_config_file):
    print(
        "accel_pppd_config veth_pair_netns: "
        + str(veth_pair_netns)
        + "chap_secrets_config_file"
        + str(chap_secrets_config_file)
    )
    return (
        """
    [modules]
    chap-secrets
    pppoe
    auth_pap

    [core]
    log-error=/dev/stderr

    [log]
    log-debug=/dev/stdout
    log-file=/dev/stdout
    log-emerg=/dev/stderr
    level=5

    [cli]
    tcp=127.0.0.1:2001

    [pppoe]
    interface="""
        + veth_pair_netns["veth_a"]
        + """
    [chap-secrets]
    gw-ip-address=192.0.2.1
    chap-secrets="""
        + chap_secrets_config_file
    )


@pytest.fixture()
def pppd_config(veth_pair_netns):
    print("pppd_config veth_pair_netns: " + str(veth_pair_netns))
    return (
        """
    nodetach
    noipdefault
    defaultroute
    connect /bin/true
    noauth
    persist
    mtu 1492
    noaccomp
    default-asyncmap
    user loginCSAB
    password pass123
    nic-"""
        + veth_pair_netns["veth_b"]
    )


# test pppoe session without auth check
@pytest.mark.chap_secrets
def test_pppoe_session_chap_secrets(pppd_instance, accel_cmd):

    # test that pppd (with accel-pppd) started successfully
    assert pppd_instance["is_started"]

    # wait until session is started
    max_wait_time = 10.0
    sleep_time = 0.0
    is_started = False  # is session started
    while sleep_time < max_wait_time:
        (exit, out, err) = process.run(
            [
                accel_cmd,
                "show sessions match username log.nCSAB username,ip,state",
            ]
        )
        assert exit == 0  # accel-cmd fails
        # print(out)
        if "loginCSAB" in out and "192.0.2.37" in out and "active" in out:
            # session is found
            print(
                "test_pppoe_session_chap_secrets: session found in (sec): "
                + str(sleep_time)
            )
            is_started = True
            break
        time.sleep(0.1)
        sleep_time += 0.1

    print("test_pppoe_session_chap_secrets: last accel-cmd out: " + out)

    # test that session is started
    assert is_started == True