import json
import os
from unittest.mock import patch

import CiscoUmbrellaCloudSecurityv2
import CommonServerPython
import pytest

TEST_DATA = "test_data"
BASE_URL = "http://example.com"
DESTINATION_ENDPOINT = CommonServerPython.urljoin(
    BASE_URL,
    CiscoUmbrellaCloudSecurityv2.Client.DESTINATION_LIST_ENDPOINT,
)


def load_mock_response(file_name: str) -> str:
    """
    Load mock file that simulates an API response.
    Args:
        file_name (str): Name of the mock response JSON file to return.
    Returns:
        str: Mock file content.
    """
    file_path = os.path.join(TEST_DATA, file_name)

    with open(file_path, encoding="utf-8") as mock_file:
        return json.loads(mock_file.read())


@pytest.fixture()
def mock_client(requests_mock) -> CiscoUmbrellaCloudSecurityv2.Client:
    """
    Establish a mock connection to the client with a username and password.

    Returns:
        Client: Mock connection to client.
    """
    requests_mock.post(
        url=f"{BASE_URL}/auth/v2/token",
        json={
            "access_token": "Pichu",
        },
    )

    return CiscoUmbrellaCloudSecurityv2.Client(
        base_url=BASE_URL,
        api_key="Pikachu",
        api_secret="Riachu",
    )


@patch("CiscoUmbrellaCloudSecurityv2.MAX_LIMIT", 4)
def test_list_destinations_command(requests_mock, mock_client):
    """
    Scenario:
    - Test listing destinations of a destination list

    Given:
    - A destination list ID

    When:
    - Running the umbrella-destinations-list command.

    Then:
    - Ensure that the CommandResults outputs_prefix is correct.
    - Ensure that the CommandResults outputs_key_field is correct.
    - Ensure that the CommandResults outputs is correct.
    - Ensure that the CommandResults raw_response is correct.
    """
    args = {
        "destination_list_id": "123",
        "limit": 7,
    }

    responses = []

    for i in range(1, 3):
        response = load_mock_response(f"destinations{i}.json")
        responses.append(response)

        url: str = CommonServerPython.urljoin(
            DESTINATION_ENDPOINT,
            f'{args["destination_list_id"]}/destinations?page={i}&limit={4}',
        )
        requests_mock.get(url=url, json=response)

    command_results: CommonServerPython.CommandResults = CiscoUmbrellaCloudSecurityv2.list_destinations_command(mock_client, args)

    expected_outputs = responses[0]["data"] + responses[1]["data"][:3]
    response["meta"]["total"] = len(expected_outputs)
    response["data"] = expected_outputs

    assert command_results.outputs_prefix == (
        f"{CiscoUmbrellaCloudSecurityv2.INTEGRATION_OUTPUT_PREFIX}.{CiscoUmbrellaCloudSecurityv2.DESTINATION_OUTPUT_PREFIX}"
    )
    assert command_results.outputs_key_field == CiscoUmbrellaCloudSecurityv2.ID_OUTPUTS_KEY_FIELD
    assert command_results.outputs == expected_outputs
    assert command_results.raw_response == response


@patch("CiscoUmbrellaCloudSecurityv2.MAX_LIMIT", 4)
def test_list_destinations_command_fetch_destinations(requests_mock, mock_client):
    """
    Scenario:
    - Test fetching destinations of a destination list

    Given:
    - A destination list ID

    When:
    - Running the umbrella-destinations-list command.

    Then:
    - Ensure that the CommandResults outputs_prefix is correct.
    - Ensure that the CommandResults outputs_key_field is correct.
    - Ensure that the CommandResults outputs is correct.
    - Ensure that the CommandResults raw_response is correct.
    """
    args = {
        "destination_list_id": "123",
        "destinations": ["www.LiorSB.com", "1.1.1.1"],
        "destination_ids": ["111", "333", "555", "1010"],
    }

    responses = []

    for i in range(1, 4):
        response = load_mock_response(f"destinations{i}.json")
        responses.append(response)

        url: str = CommonServerPython.urljoin(
            DESTINATION_ENDPOINT,
            f'{args["destination_list_id"]}/destinations?page={i}&limit={4}',
        )
        requests_mock.get(url=url, json=response)

    command_results: CommonServerPython.CommandResults = CiscoUmbrellaCloudSecurityv2.list_destinations_command(mock_client, args)

    expected_outputs = [
        responses[0]["data"][0],
        responses[0]["data"][2],
        responses[0]["data"][3],
        responses[1]["data"][0],
    ]
    response["meta"]["total"] = len(expected_outputs)
    response["data"] = expected_outputs

    assert command_results.outputs_prefix == (
        f"{CiscoUmbrellaCloudSecurityv2.INTEGRATION_OUTPUT_PREFIX}.{CiscoUmbrellaCloudSecurityv2.DESTINATION_OUTPUT_PREFIX}"
    )
    assert command_results.outputs_key_field == CiscoUmbrellaCloudSecurityv2.ID_OUTPUTS_KEY_FIELD
    assert command_results.outputs == expected_outputs
    assert command_results.raw_response == response


def test_add_destinations_command(requests_mock, mock_client):
    """
    Scenario:
    - Test adding destinations to a destination list

    Given:
    - A destination list ID and destinations

    When:
    - Running the umbrella-destination-add command.

    Then:
    - Ensure that the CommandResults raw_response is correct.
    - Ensure that the CommandResults readable_output is correct.
    """
    args = {
        "destination_list_id": "123",
        "destinations": ["1.1.1.1", "0.0.0.0"],
        "comment": "Lior is watching",
    }
    response = load_mock_response("destination_list.json")
    url = CommonServerPython.urljoin(DESTINATION_ENDPOINT, f'{args["destination_list_id"]}/destinations')

    requests_mock.post(url=url, json=response)

    command_results: CommonServerPython.CommandResults = CiscoUmbrellaCloudSecurityv2.add_destination_command(mock_client, args)

    expected_readable_output = (
        f'The destination(s) "{args["destinations"]}" '
        f'were successfully added to the destination list "{args["destination_list_id"]}"'
    )

    assert command_results.readable_output == expected_readable_output
    assert command_results.raw_response == response


def test_delete_destination_command(requests_mock, mock_client):
    """
    Scenario:
    - Test deleting destinations from a destination list

    Given:
    - A destination list ID and destination IDs

    When:
    - Running the umbrella-destination-delete command.

    Then:
    - Ensure that the CommandResults readable_output is correct.
    - Ensure that the CommandResults raw_response is correct.
    """
    args = {
        "destination_list_id": "123",
        "destination_ids": [111, 222, 333],
    }
    response = load_mock_response("destination_list.json")
    url = CommonServerPython.urljoin(DESTINATION_ENDPOINT, f'{args["destination_list_id"]}/destinations')

    requests_mock.delete(url=f"{url}/remove", json=response)

    command_results: CommonServerPython.CommandResults = CiscoUmbrellaCloudSecurityv2.delete_destination_command(
        mock_client, args
    )

    expected_readable_output = (
        f'The destination(s) "{args["destination_ids"]}" '
        f'were successfully removed from the destination list "{args["destination_list_id"]}"'
    )

    assert command_results.readable_output == expected_readable_output
    assert command_results.raw_response == response


def test_list_destination_lists_command(requests_mock, mock_client):
    """
    Scenario:
    - Test listing a specific destination list

    Given:
    - A destination list ID

    When:
    - Running the umbrella-destination-lists-list command.

    Then:
    - Ensure that the CommandResults outputs_prefix is correct.
    - Ensure that the CommandResults outputs_key_field is correct.
    - Ensure that the CommandResults outputs is correct.
    - Ensure that the CommandResults raw_response is correct.
    """
    args = {
        "destination_list_id": "12345",
    }
    response = load_mock_response("destination_list.json")
    url = CommonServerPython.urljoin(DESTINATION_ENDPOINT, args["destination_list_id"])
    requests_mock.get(url=url, json=response)

    command_results: CommonServerPython.CommandResults = CiscoUmbrellaCloudSecurityv2.list_destination_lists_command(
        mock_client, args
    )

    assert command_results.outputs_prefix == (
        f"{CiscoUmbrellaCloudSecurityv2.INTEGRATION_OUTPUT_PREFIX}."
        f"{CiscoUmbrellaCloudSecurityv2.DESTINATION_LIST_OUTPUT_PREFIX}"
    )
    assert command_results.outputs_key_field == CiscoUmbrellaCloudSecurityv2.ID_OUTPUTS_KEY_FIELD
    assert command_results.outputs == response["data"]
    assert command_results.raw_response == response


def test_list_destination_lists_command_list_request(requests_mock, mock_client):
    """
    Scenario:
    - Test listing destination lists

    Given:
    - Nothing

    When:
    - Running the umbrella-destination-lists-list command.

    Then:
    - Ensure that the CommandResults outputs_prefix is correct.
    - Ensure that the CommandResults outputs_key_field is correct.
    - Ensure that the CommandResults outputs is correct.
    - Ensure that the CommandResults raw_response is correct.
    """
    response = load_mock_response("destination_lists.json")
    requests_mock.get(url=DESTINATION_ENDPOINT, json=response)

    command_results: CommonServerPython.CommandResults = CiscoUmbrellaCloudSecurityv2.list_destination_lists_command(
        mock_client, {}
    )

    assert command_results.outputs_prefix == (
        f"{CiscoUmbrellaCloudSecurityv2.INTEGRATION_OUTPUT_PREFIX}."
        f"{CiscoUmbrellaCloudSecurityv2.DESTINATION_LIST_OUTPUT_PREFIX}"
    )
    assert command_results.outputs_key_field == CiscoUmbrellaCloudSecurityv2.ID_OUTPUTS_KEY_FIELD
    assert command_results.outputs == response["data"]
    assert command_results.raw_response == response


def test_create_destination_list_command(requests_mock, mock_client):
    """
    Scenario:
    - Test creating a destination list

    Given:
    - Name, access, is_global, bundle_type, destinations, destinations_comment
        for a new destination list

    When:
    - Running the umbrella-destination-list-create command.

    Then:
    - Ensure that the CommandResults outputs_prefix is correct.
    - Ensure that the CommandResults outputs_key_field is correct.
    - Ensure that the CommandResults outputs is correct.
    - Ensure that the CommandResults raw_response is correct.
    """
    args = {
        "name": "Lior chose Pikachu",
        "access": CiscoUmbrellaCloudSecurityv2.Access.ALLOW.value,
        "is_global": "false",
        "bundle_type": "DNS",
        "destinations": ["1.1.1.1", "0.0.0.0"],
        "destinations_comment": "Comment",
    }
    response = load_mock_response("destination_list.json")["data"]

    requests_mock.post(url=DESTINATION_ENDPOINT, json=response)

    command_results: CommonServerPython.CommandResults = CiscoUmbrellaCloudSecurityv2.create_destination_list_command(
        mock_client, args
    )

    assert command_results.outputs_prefix == (
        f"{CiscoUmbrellaCloudSecurityv2.INTEGRATION_OUTPUT_PREFIX}."
        f"{CiscoUmbrellaCloudSecurityv2.DESTINATION_LIST_OUTPUT_PREFIX}"
    )
    assert command_results.outputs_key_field == CiscoUmbrellaCloudSecurityv2.ID_OUTPUTS_KEY_FIELD
    assert command_results.outputs == response
    assert command_results.raw_response == response


def test_update_destination_list_command(requests_mock, mock_client):
    """
    Scenario:
    - Test updating a destination list

    Given:
    - A destination list ID and a new name

    When:
    - Running the umbrella-destination-list-update command.

    Then:
    - Ensure that the CommandResults outputs_prefix is correct.
    - Ensure that the CommandResults outputs_key_field is correct.
    - Ensure that the CommandResults outputs is correct.
    - Ensure that the CommandResults raw_response is correct.
    """
    args = {
        "destination_list_id": "123",
        "name": "Lior Sabri",
    }
    response = load_mock_response("destination_list.json")
    url = CommonServerPython.urljoin(DESTINATION_ENDPOINT, args["destination_list_id"])

    requests_mock.patch(url=url, json=response)

    command_results: CommonServerPython.CommandResults = CiscoUmbrellaCloudSecurityv2.update_destination_list_command(
        mock_client, args
    )

    assert command_results.outputs_prefix == (
        f"{CiscoUmbrellaCloudSecurityv2.INTEGRATION_OUTPUT_PREFIX}."
        f"{CiscoUmbrellaCloudSecurityv2.DESTINATION_LIST_OUTPUT_PREFIX}"
    )
    assert command_results.outputs_key_field == CiscoUmbrellaCloudSecurityv2.ID_OUTPUTS_KEY_FIELD
    assert command_results.outputs == response["data"]
    assert command_results.raw_response == response


def test_delete_destination_list_command(requests_mock, mock_client):
    """
    Scenario:
    - Test deleting a destination list

    Given:
    - A destination list ID

    When:
    - delete_destination_list_command

    Then:
    - Ensure that the CommandResults readable_output is correct.
    - Ensure that the CommandResults raw_response is correct.
    """
    args = {
        "destination_list_id": "123",
    }
    response = load_mock_response("delete.json")

    url = CommonServerPython.urljoin(DESTINATION_ENDPOINT, args["destination_list_id"])

    requests_mock.delete(url=url, json=response)

    command_results: CommonServerPython.CommandResults = CiscoUmbrellaCloudSecurityv2.delete_destination_list_command(
        mock_client, args
    )

    expected_readable_output = f'The destination list "{args["destination_list_id"]}" was successfully deleted'

    assert command_results.readable_output == expected_readable_output
    assert command_results.raw_response == response


def test_get_access_token(requests_mock, mock_client):
    """
    Scenario:
    - Test the flow of getting an access token
    When:
    - Running the get_access_token method.
    Then:
    - Ensure that an access token is returned.
    """

    response = {"token_type": "bearer", "access_token": "Pichu", "expires_in": 3600}
    requests_mock.post(url=f"{BASE_URL}/auth/v2/token", json=response)

    access_token = CiscoUmbrellaCloudSecurityv2.Client.get_access_token(mock_client)

    assert access_token == response.get("access_token")