# Copyright (C) 2020 Linaro Limited
#
# Author: Antonio Terceiro <antonio.terceiro@linaro.org>
#
# SPDX-License-Identifier: GPL-2.0-or-later

import re
from pathlib import Path
from unittest.mock import MagicMock

import pytest

from lava_dispatcher.actions.test.docker import DockerTestShell
from lava_dispatcher.actions.test.multinode import MultinodeMixin
from lava_dispatcher.actions.test.shell import TestShellAction
from tests.lava_dispatcher.test_basic import Factory


@pytest.fixture
def factory():
    return Factory()


@pytest.fixture
def job(factory):
    return factory.create_job("hi6220-hikey-r2-01", "sample_jobs/docker-test.yaml")


@pytest.fixture
def job_prefix(factory):
    return factory.create_job(
        "hi6220-hikey-r2-01",
        "sample_jobs/docker-test.yaml",
        dispatcher_config="{'prefix': 'prefix'}",
    )


@pytest.fixture
def action(job):
    return job.pipeline.actions[2]


@pytest.fixture
def first_test_action(action):
    return action


@pytest.fixture
def second_test_action(job):
    return job.pipeline.actions[3]


@pytest.fixture
def multinode_job(factory):
    return factory.create_job(
        "hi6220-hikey-r2-01", "sample_jobs/docker-test-multinode.yaml"
    )


@pytest.fixture
def multinode_action(multinode_job):
    return multinode_job.pipeline.actions[0]


def test_validate_schema(factory):
    factory.validate_job_strict = True
    # The next call not crashing means that the strict schema validation
    # passed.
    factory.create_job("hi6220-hikey-r2-01", "sample_jobs/docker-test.yaml")


def test_detect_correct_action(action):
    assert type(action).__name__ == "DockerTestAction"


def test_run(action, mocker):
    mocker.patch("lava_dispatcher.utils.containers.DockerDriver.__get_device_nodes__")
    ShellCommand = mocker.patch("lava_dispatcher.actions.test.docker.ShellCommand")
    ShellSesssion = mocker.patch("lava_dispatcher.actions.test.docker.ShellSession")
    docker_connection = mocker.MagicMock()
    ShellSesssion.return_value = docker_connection
    action_run = mocker.patch("lava_dispatcher.actions.test.docker.TestShellAction.run")
    connection = mocker.MagicMock()
    add_device_container_mappings = mocker.patch(
        "lava_dispatcher.utils.containers.DeviceContainerMappingMixin.add_device_container_mappings"
    )
    get_udev_devices = mocker.patch(
        "lava_dispatcher.actions.test.docker.get_udev_devices",
        return_value=["/dev/foobar"],
    )
    trigger_share_device_with_container = mocker.patch(
        "lava_dispatcher.utils.containers.DeviceContainerMappingMixin.trigger_share_device_with_container"
    )
    docker_wait = mocker.patch("lava_dispatcher.utils.docker.DockerRun.wait")
    docker_wait_file = mocker.patch("lava_dispatcher.utils.docker.DockerRun.wait_file")
    docker_prepare = mocker.patch("lava_dispatcher.utils.docker.DockerRun.prepare")
    remove_device_container_mappings = mocker.patch(
        "lava_dispatcher.actions.test.docker.remove_device_container_mappings"
    )
    docker_destroy = mocker.patch("lava_dispatcher.utils.docker.DockerRun.destroy")

    action.job.device["hostname"] = "hi6220-hikey-r2-01"
    action.job.device["devicetype"] = "hi6220-hikey-r2"

    action.validate()
    with action.timeout(None, None) as max_end_time:
        action.run(connection, max_end_time)

    # device is shared with the container
    add_device_container_mappings.assert_called()

    get_udev_devices.assert_called_with(
        device_info=[{"board_id": "0123456789"}], logger=mocker.ANY, required=False
    )

    # overlay gets created
    overlay = next(Path(action.job.tmp_dir).glob("lava-create-overlay-*/lava-*"))
    assert overlay.exists()
    # overlay gets the correct content
    lava_test_runner = overlay / "bin" / "lava-test-runner"
    assert lava_test_runner.exists()
    lava_test_0 = overlay / "0"
    assert lava_test_0.exists()

    environmentfile = overlay / "environment"
    with environmentfile.open() as env_file:
        env = {
            re.sub(r"=.*$", "", line): re.sub("^[^=]*=", "", line)
            for line in env_file.read().splitlines()
        }
    assert env["export ANDROID_SERIAL"] == "0123456789"
    assert env["export LAVA_BOARD_ID"] == "0123456789"
    assert env["export LAVA_DEVICE_HOSTNAME"] == "hi6220-hikey-r2-01"
    assert env["export LAVA_DEVICE_TYPE"] == "hi6220-hikey-r2"
    assert env["export LAVA_CONNECTION_COMMAND_UART0"] == "'telnet localhost 4002'"
    assert env["export LAVA_CONNECTION_COMMAND_UART1"] == "'telnet 192.168.1.200 8001'"
    # primary connection:
    assert env["export LAVA_CONNECTION_COMMAND"] == "'telnet 192.168.1.200 8001'"

    assert (
        env["export LAVA_HARD_RESET_COMMAND"] == "'/path/to/reset.sh 0 1 2 && sleep 5'"
    )
    assert env["export LAVA_POWER_ON_COMMAND"] == "'/path/to/power-on.sh 0 1 2'"
    assert env["export LAVA_POWER_OFF_COMMAND"] == "'/path/to/power-off.sh 0 1 2'"

    # docker gets called
    docker_call = ShellCommand.mock_calls[0][1][0]
    assert docker_call.startswith("docker run")
    # overlay gets passed into docker
    assert (
        re.match(
            rf".* --mount=type=bind,source={overlay},destination=/{overlay.name}",
            docker_call,
        )
        is not None
    )

    # prepares container image
    docker_prepare.assert_called()

    # waits for container to be available
    docker_wait.assert_called()
    docker_wait_file.assert_called()

    # device shared with docker
    trigger_share_device_with_container.assert_called_with("/dev/foobar")

    # the lava-test-shell implementation gets called with the docker shell
    action_run.assert_called_with(docker_connection, mocker.ANY)

    # the docker shell gets finalized
    docker_connection.finalise.assert_called()

    # the device container mapping file gets deleted
    remove_device_container_mappings.assert_called_once()

    # the docker container gets destroyed
    docker_destroy.assert_called()


def test_stages(first_test_action, second_test_action):
    assert first_test_action.parameters["stage"] == 0
    assert second_test_action.parameters["stage"] == 1


def test_docker_test_shell_validate(action):
    action.validate()
    assert action.valid is True
    for a in action.pipeline.actions:
        a.__errors__.clear()

    action.job.parameters["dispatcher"]["test_docker_bind_mounts"] = [
        ["foo", "bar", "rw"]
    ]
    action.validate()
    assert action.valid is True
    for a in action.pipeline.actions:
        a.__errors__.clear()

    action.job.parameters["dispatcher"]["test_docker_bind_mounts"] = [["foo"]]
    action.validate()
    assert action.valid is False
    for a in action.pipeline.actions:
        a.__errors__.clear()

    action.job.parameters["dispatcher"]["test_docker_bind_mounts"] = [[["foo"], "bar"]]
    action.validate()
    assert action.valid is False
    for a in action.pipeline.actions:
        a.__errors__.clear()

    action.job.parameters["dispatcher"]["test_docker_bind_mounts"] = [
        ["foo", "bar", "foo"]
    ]
    action.validate()
    assert action.valid is False
    for a in action.pipeline.actions:
        a.__errors__.clear()


def test_multinode_docker_test_shell(action, multinode_action):
    # docker test shell job without multinode
    assert isinstance(action.pipeline.actions[2], TestShellAction)
    assert not isinstance(action.pipeline.actions[2], MultinodeMixin)

    # docker test shell job with multinode
    assert isinstance(multinode_action.pipeline.actions[2], MultinodeMixin)


def test_docker_test_shell_run(first_test_action, mocker):
    mocker.patch(
        "lava_dispatcher.actions.test.docker.DockerTestShell.get_namespace_data",
        return_value=f"lava-{first_test_action.job.job_id}",
    )
    mocker.patch("lava_dispatcher.utils.docker.DockerRun.prepare")
    shell_cmd = mocker.patch("lava_dispatcher.actions.test.docker.ShellCommand")
    mocker.patch("lava_dispatcher.actions.test.docker.ShellSession")
    mocker.patch(
        "lava_dispatcher.actions.test.docker.DockerTestShell.add_device_container_mappings"
    )
    mocker.patch("lava_dispatcher.utils.udev.get_udev_devices", return_value=[])
    mocker.patch("lava_dispatcher.utils.docker.DockerRun.wait")
    mocker.patch("lava_dispatcher.actions.test.shell.TestShellAction.run")
    mocker.patch("lava_dispatcher.actions.test.docker.remove_device_container_mappings")
    mocker.patch("lava_dispatcher.utils.docker.DockerRun.destroy")

    connection = MagicMock()
    connection.timeout = MagicMock()

    action = first_test_action.pipeline.find_action(DockerTestShell)

    action.test_docker_bind_mounts = []
    action.run(connection, 0)
    shell_cmd.assert_called_with(
        "docker run --interactive --tty --rm --init "
        f"--name=lava-docker-test-shell-{action.job.job_id}-3.3 "
        f"--mount=type=bind,source=lava-{action.job.job_id}/lava-{action.job.job_id},"
        f"destination=/lava-{action.job.job_id} "
        "'--env=PS1=docker-test-shell:$ ' adb-fastboot bash --norc -i",
        action.timeout,
        logger=action.logger,
    )


def test_docker_test_shell_run_prefix(job_prefix, mocker):
    mocker.patch(
        "lava_dispatcher.actions.test.docker.DockerTestShell.get_namespace_data",
        return_value=f"lava-{job_prefix.job_id}",
    )
    mocker.patch("lava_dispatcher.utils.docker.DockerRun.prepare")
    shell_cmd = mocker.patch("lava_dispatcher.actions.test.docker.ShellCommand")
    mocker.patch("lava_dispatcher.actions.test.docker.ShellSession")
    mocker.patch(
        "lava_dispatcher.actions.test.docker.DockerTestShell.add_device_container_mappings"
    )
    mocker.patch("lava_dispatcher.utils.udev.get_udev_devices", return_value=[])
    mocker.patch("lava_dispatcher.utils.docker.DockerRun.wait")
    mocker.patch("lava_dispatcher.actions.test.shell.TestShellAction.run")
    mocker.patch("lava_dispatcher.actions.test.docker.remove_device_container_mappings")
    mocker.patch("lava_dispatcher.utils.docker.DockerRun.destroy")

    connection = MagicMock()
    connection.timeout = MagicMock()

    action = job_prefix.pipeline.find_action(DockerTestShell)

    action.test_docker_bind_mounts = []
    action.run(connection, 0)
    shell_cmd.assert_called_with(
        "docker run --interactive --tty --rm --init "
        f"--name=lava-docker-test-shell-prefix-{action.job.job_id}-3.3 "
        f"--mount=type=bind,source=lava-{action.job.job_id}"
        f"/lava-{action.job.job_id},destination=/lava-{action.job.job_id} "
        "'--env=PS1=docker-test-shell:$ ' adb-fastboot bash --norc -i",
        action.timeout,
        logger=action.logger,
    )
