import pytest
import requests_mock
from AWSILM import Client, create_group_command, delete_group_command, get_group_command, main, update_group_command
from IAMApiModule import *

userUri = "/scim/v2/Users/"
groupUri = "/scim/v2/Groups/"
RETURN_ERROR_TARGET = "AWSILM.return_error"

APP_USER_OUTPUT = {
    "id": "mock_id",
    "userName": "mock_user_name",
    "first_name": "mock_first_name",
    "last_name": "mock_last_name",
    "active": True,
    "email": "testdemisto@paloaltonetworks.com",
}

APP_DISABLED_USER_OUTPUT = {
    "id": "mock_id",
    "userName": "mock_user_name",
    "first_name": "mock_first_name",
    "last_name": "mock_last_name",
    "active": False,
    "email": "testdemisto@paloaltonetworks.com",
}

APP_UPDATED_USER_OUTPUT = {
    "id": "mock_id",
    "userName": "mock_user_name",
    "first_name": "new_mock_first_name",
    "last_name": "new_mock_last_name",
    "active": True,
    "email": "testdemisto@paloaltonetworks.com",
}

APP_GROUP_OUTPUT = {
    "id": "mock_id",
    "displayName": "The group name",
}


def mock_client():
    client = Client(base_url="https://test.com")
    return client


def get_outputs_from_user_profile(user_profile):
    entry_context = user_profile.to_entry()
    outputs = entry_context.get("Contents")
    return outputs


class TestGetUserCommand:
    @pytest.mark.parametrize(
        "args, mock_url",
        [
            ({"user-profile": {"userName": "mock_user_name"}}, userUri),
            ({"user-profile": {"userName": "mock_user_name", "id": "mock_id"}}, f"{userUri}mock_id"),
        ],
    )
    def test_existing_user(self, args, mock_url):
        """
        Given:
            - An app client object
            - A user-profile argument that contains an email of a user
        When:
            - The user exists in the application
            - Calling function get_user_command
        Cases:
        Case a: Calling user command with valid username in user profile.
        Case b: Calling user command with valid username and valid id in user profile.

        Then:
            - Ensure the resulted User Profile object holds the correct user details
        Case a: Ensure the URL corresponding to username is called.
        Case b: Ensure the URL corresponding to ID is called.
        """
        from AWSILM import SUPPORTED_GET_USER_IAM_ATTRIBUTES

        client = mock_client()

        with requests_mock.Mocker() as m:
            m.get(mock_url, json={"totalResults": 1, "Resources": [APP_USER_OUTPUT]})

            user_profile = IAMCommand(get_user_iam_attrs=SUPPORTED_GET_USER_IAM_ATTRIBUTES).get_user(client, args)

        outputs = get_outputs_from_user_profile(user_profile)

        assert outputs.get("action") == IAMActions.GET_USER
        assert outputs.get("success") is True
        assert outputs.get("active") is True
        assert outputs.get("id") == "mock_id"
        assert outputs.get("username") == "mock_user_name"
        assert outputs.get("details", {}).get("first_name") == "mock_first_name"
        assert outputs.get("details", {}).get("last_name") == "mock_last_name"

    def test_non_existing_user(self):
        """
        Given:
            - An app client object
            - A user-profile argument that contains an email a user
        When:
            - The user does not exist in the application
            - Calling function get_user_command
        Then:
            - Ensure the resulted User Profile object holds information about an unsuccessful result.
        """
        client = mock_client()
        args = {"user-profile": {"userName": "mock_user_name"}}

        with requests_mock.Mocker() as m:
            m.get(userUri, json={"totalResults": 0, "Resources": []})

            user_profile = IAMCommand(get_user_iam_attrs=["userName"]).get_user(client, args)

        outputs = get_outputs_from_user_profile(user_profile)

        assert outputs.get("action") == IAMActions.GET_USER
        assert outputs.get("success") is False
        assert outputs.get("errorCode") == IAMErrors.USER_DOES_NOT_EXIST[0]
        assert outputs.get("errorMessage") == IAMErrors.USER_DOES_NOT_EXIST[1]

    def test_bad_response(self, mocker):
        """
        Given:
            - An app client object
            - A user-profile argument that contains an email of a non-existing user in the application
        When:
            - Calling function get_user_command
            - A bad response (500) is returned from the application API
        Then:
            - Ensure the resulted User Profile object holds information about the bad response.
        """
        import demistomock as demisto

        mocker.patch.object(demisto, "error")

        client = mock_client()
        args = {"user-profile": {"userName": "mock_user_name"}}

        with requests_mock.Mocker() as m:
            m.get(f'{userUri}?filter=userName eq "mock_user_name"', status_code=500, json={"detail": "INTERNAL SERVER ERROR"})

            user_profile = IAMCommand(get_user_iam_attrs=["userName"]).get_user(client, args)

        outputs = get_outputs_from_user_profile(user_profile)

        assert outputs.get("action") == IAMActions.GET_USER
        assert outputs.get("success") is False
        assert outputs.get("errorCode") == 500
        assert "INTERNAL SERVER ERROR" in outputs.get("errorMessage")


class TestCreateUserCommand:
    def test_success(self):
        """
        Given:
            - An app client object
            - A user-profile argument that contains an email of a non-existing user in the application
        When:
            - Calling function create_user_command
        Then:
            - Ensure a User Profile object with the user data is returned
        """
        client = mock_client()
        args = {"user-profile": {"userName": "mock_user_name"}}

        with requests_mock.Mocker() as m:
            m.get(userUri, json={"totalResults": 0, "Resources": []})
            m.post(userUri, json=APP_USER_OUTPUT)

            user_profile = IAMCommand(get_user_iam_attrs=["userName"]).create_user(client, args)

        outputs = get_outputs_from_user_profile(user_profile)

        assert outputs.get("action") == IAMActions.CREATE_USER
        assert outputs.get("success") is True
        assert outputs.get("active") is True
        assert outputs.get("id") == "mock_id"
        assert outputs.get("username") == "mock_user_name"
        assert outputs.get("details", {}).get("first_name") == "mock_first_name"
        assert outputs.get("details", {}).get("last_name") == "mock_last_name"

    def test_user_already_exists(self):
        """
        Given:
            - An app client object
            - A user-profile argument that contains an email of a user
        When:
            - The user already exists in the application and disabled
            - allow-enable argument is false
            - Calling function create_user_command
        Then:
            - Ensure the command is considered successful and the user is still disabled
        """
        client = mock_client()
        args = {"user-profile": {"userName": "mock_user_name"}, "allow-enable": "false"}

        with requests_mock.Mocker() as m:
            m.get(userUri, json={"totalResults": 1, "Resources": [APP_USER_OUTPUT]})
            m.get(f"{userUri}mock_id", json=APP_USER_OUTPUT)
            m.patch(f"{userUri}mock_id", json=APP_UPDATED_USER_OUTPUT)

            user_profile = IAMCommand(get_user_iam_attrs=["userName"]).create_user(client, args)

        outputs = get_outputs_from_user_profile(user_profile)

        assert outputs.get("action") == IAMActions.UPDATE_USER
        assert outputs.get("success") is True
        assert outputs.get("active") is True
        assert outputs.get("id") == "mock_id"
        assert outputs.get("username") == "mock_user_name"
        assert outputs.get("details", {}).get("first_name") == "new_mock_first_name"
        assert outputs.get("details", {}).get("last_name") == "new_mock_last_name"


class TestUpdateUserCommand:
    def test_non_existing_user(self):
        """
        Given:
            - An app client object
            - A user-profile argument that contains user data
        When:
            - The user does not exist in the application
            - create-if-not-exists parameter is checked
            - Create User command is enabled
            - Calling function update_user_command
        Then:
            - Ensure the create action is executed
            - Ensure a User Profile object with the user data is returned
        """
        client = mock_client()
        args = {"user-profile": {"userName": "mock_user_name"}}

        with requests_mock.Mocker() as m:
            m.get(userUri, json={"totalResults": 0, "Resources": []})
            m.post(userUri, json=APP_USER_OUTPUT)

            user_profile = IAMCommand(create_if_not_exists=True, get_user_iam_attrs=["userName"]).update_user(client, args)

        outputs = get_outputs_from_user_profile(user_profile)

        assert outputs.get("action") == IAMActions.CREATE_USER
        assert outputs.get("success") is True
        assert outputs.get("active") is True
        assert outputs.get("id") == "mock_id"
        assert outputs.get("username") == "mock_user_name"
        assert outputs.get("details", {}).get("first_name") == "mock_first_name"
        assert outputs.get("details", {}).get("last_name") == "mock_last_name"

    def test_command_is_disabled(self):
        """
        Given:
            - An app client object
            - A user-profile argument that contains user data
        When:
            - Update User command is disabled
            - Calling function update_user_command
        Then:
            - Ensure the command is considered successful and skipped
        """
        client = mock_client()
        args = {"user-profile": {"userName": "mock_user_name"}}

        user_profile = IAMCommand(is_update_enabled=False, get_user_iam_attrs=["userName"]).update_user(client, args)

        outputs = get_outputs_from_user_profile(user_profile)

        assert outputs.get("action") == IAMActions.UPDATE_USER
        assert outputs.get("success") is True
        assert outputs.get("skipped") is True
        assert outputs.get("reason") == "Command is disabled."

    def test_allow_enable(self):
        """
        Given:
            - An app client object
            - A user-profile argument that contains user data
        When:
            - The user is disabled in the application
            - allow-enable argument is true
            - Calling function update_user_command
        Then:
            - Ensure the user is enabled at the end of the command execution.
        """
        client = mock_client()
        args = {"user-profile": {"userName": "mock_user_name"}, "allow-enable": "true"}

        with requests_mock.Mocker() as m:
            m.get(
                'https://test.com/scim/v2/Users/?filter=userName eq "mock_user_name"',
                json={"totalResults": 1, "Resources": [APP_DISABLED_USER_OUTPUT]},
            )
            m.get(f"{userUri}mock_id", json=APP_DISABLED_USER_OUTPUT)
            m.patch(f"{userUri}mock_id", json=APP_UPDATED_USER_OUTPUT)

            user_profile = IAMCommand(get_user_iam_attrs=["userName"]).update_user(client, args)

        outputs = get_outputs_from_user_profile(user_profile)

        assert outputs.get("action") == IAMActions.UPDATE_USER
        assert outputs.get("success") is True
        assert outputs.get("active") is True
        assert outputs.get("id") == "mock_id"
        assert outputs.get("username") == "mock_user_name"
        assert outputs.get("details", {}).get("first_name") == "new_mock_first_name"
        assert outputs.get("details", {}).get("last_name") == "new_mock_last_name"


class TestDisableUserCommand:
    def test_non_existing_user(self):
        """
        Given:
            - An app client object
            - A user-profile argument that contains an email of a user
        When:
            - create-if-not-exists parameter is unchecked
            - The user does not exist in the application
            - Calling function disable_user_command
        Then:
            - Ensure the command is considered successful and skipped
        """
        client = mock_client()
        args = {"user-profile": {"userName": "mock_user_name"}}

        with requests_mock.Mocker() as m:
            m.get(userUri, json={"totalResults": 0, "Resources": []})

            user_profile = IAMCommand(get_user_iam_attrs=["userName"]).disable_user(client, args)

        outputs = get_outputs_from_user_profile(user_profile)

        assert outputs.get("action") == IAMActions.DISABLE_USER
        assert outputs.get("success") is True
        assert outputs.get("skipped") is True
        assert outputs.get("reason") == IAMErrors.USER_DOES_NOT_EXIST[1]


class TestGetGroupCommand:
    """
    Given:
        - An app client object
        - A scim argument that contains a displayName of a group
    When:
        - The group exists in the application
        - Calling the main function with 'iam-get-group' command
    Then:
        - Ensure the resulted 'CommandResults' object holds the correct group details
    """

    def test_with_id(self, mocker):
        client = mock_client()
        args = {"scim": '{"id": "1234", "displayName": "The group name"}'}
        mock_result = mocker.patch("AWSILM.CommandResults")

        with requests_mock.Mocker() as m:
            # m.get(groupUri, json={'total_results': 1, 'Resources': [APP_GROUP_OUTPUT]})
            m.get(f"{groupUri}1234", json=APP_GROUP_OUTPUT)

            get_group_command(client, args)

        assert mock_result.call_args.kwargs["outputs"]["details"] == APP_GROUP_OUTPUT

    def test_with_display_name(self, mocker):
        """
        Given:
            - An app client object
            - A scim argument that contains a displayName of a group
        When:
            - The group exists in the application
            - Calling the main function with 'iam-get-group' command
        Then:
            - Ensure the resulted 'CommandResults' object holds the correct group details
        """
        client = mock_client()
        args = {"scim": '{"displayName": "The group name"}'}
        mock_result = mocker.patch("AWSILM.CommandResults")

        with requests_mock.Mocker() as m:
            m.get(f"{groupUri}", json={"totalResults": 1, "Resources": [APP_GROUP_OUTPUT]})

            get_group_command(client, args)

        assert mock_result.call_args.kwargs["outputs"]["details"] == APP_GROUP_OUTPUT

    def test_non_existing_group(self, mocker):
        """
        Given:
            - An app client object
            - A scim argument that contains an ID and displayName of a non_existing group
        When:
            - The group not exists in the application
            - Calling the main function with 'iam-get-group' command
        Then:
            - Ensure the resulted 'CommandResults' object holds information about an unsuccessful result.
        """
        client = mock_client()
        args = {"scim": '{"id": "1234", "displayName": "The group name"}'}
        mock_result = mocker.patch("AWSILM.CommandResults")

        with requests_mock.Mocker() as m:
            m.get(f"{groupUri}1234", status_code=404, text="Group Not Found")

            get_group_command(client, args)

        assert mock_result.call_args.kwargs["outputs"]["errorCode"] == 404
        assert mock_result.call_args.kwargs["outputs"]["errorMessage"] == "Group Not Found"

    def test_id_and_display_name_empty(self):
        """
        Given:
            - An app client object
            - A scim argument that not contains an ID and displayName of a group
        When:
            - Calling the main function with 'iam-get-group' command
        Then:
            - Ensure that an error is raised with an expected message.
        """
        client = mock_client()
        args = {"scim": "{}"}

        with pytest.raises(Exception) as e:
            get_group_command(client, args)

        assert str(e.value) == 'You must supply either "id" or "displayName" in the scim data'


class TestCreateGroupCommand:
    def test_success(self, mocker):
        """
        Given:
            - An app client object
            - A scim argument that contains a displayName of a non-existing group in the application
        When:
            - Calling the main function with 'iam-create-group' command
        Then:
            - Ensure the resulted 'CommandResults' object holds information about the created group.
        """
        client = mock_client()
        args = {"scim": '{"displayName": "The group name"}'}
        mock_result = mocker.patch("AWSILM.CommandResults")

        with requests_mock.Mocker() as m:
            m.post(f"{groupUri}", status_code=201, json=APP_GROUP_OUTPUT)

            create_group_command(client, args)

        assert mock_result.call_args.kwargs["outputs"]["details"] == APP_GROUP_OUTPUT

    def test_group_already_exist(self):
        """
        Given:
            - An app client object
            - A scim argument that contains a displayName of an existing group in the application
        When:
            - Calling the main function with 'iam-create-group' command
        Then:
            - Ensure that an error is raised with an expected message.
        """
        client = mock_client()
        args = {"scim": '{"displayName": "The group name"}'}

        with requests_mock.Mocker() as m:
            m.post(f"{groupUri}", status_code=400, text="Group already exist")

            with pytest.raises(Exception) as e:
                create_group_command(client, args)

        assert e.value.res.status_code == 400
        assert "Group already exist" in str(e.value)

    def test_display_name_empty(self):
        """
        Given:
            - An app client object
            - A scim argument that not contains a displayName
        When:
            - Calling the main function with 'iam-create-group' command
        Then:
            - Ensure that an error is raised with an expected message.
        """
        client = mock_client()
        args = {"scim": "{}"}

        with pytest.raises(Exception) as e:
            create_group_command(client, args)

        assert str(e.value) == 'You must supply "displayName" of the group in the scim data'


class TestUpdateGroupCommand:
    def test_success(self, mocker):
        """
        Given:
            - An app client object
            - A scim argument that contains a group ID and a memberIdsToAdd/memberIdsToDelete argument
                of the members who are supposed to be updated.
        When:
            - Calling the main function with 'iam-update-group'
        Then:
            - Ensure the resulted 'CommandResults' object holds information about the updated group.
        """
        client = mock_client()
        args = {"scim": '{"id": "1234"}', "memberIdsToAdd": ["111111"], "memberIdsToDelete": ["222222"]}
        mock_result = mocker.patch("AWSILM.CommandResults")

        with requests_mock.Mocker() as m:
            m.patch(f"{groupUri}1234", status_code=204, json={})

            update_group_command(client, args)

        assert mock_result.call_args.kwargs["outputs"]["id"] == "1234"

    def test_nothing_to_update(self):
        """
        Given:
            - An app client object
            - A scim argument that contains a group ID.
        When:
            - Calling the main function with 'iam-update-group'
        Then:
            - Ensure that an error is raised with an expected message.
        """
        client = mock_client()
        args = {"scim": '{"id": "1234", "displayName": "The group name"}'}

        with pytest.raises(Exception) as e:
            update_group_command(client, args)

        assert str(e.value) == 'You must supply either "memberIdsToAdd" or "memberIdsToDelete" in the arguments'


class TestDeleteGroupCommand:
    def test_success(self, mocker):
        """
        Given:
            - An app client object
            - A scim argument that contains a group ID.
        When:
            - Calling the main function with 'iam-delete-group'
        Then:
            - Ensure the resulted 'CommandResults' object holds information about the deleted group.
        """
        client = mock_client()
        args = {"scim": '{"id": "1234"}'}
        mock_result = mocker.patch("AWSILM.CommandResults")

        with requests_mock.Mocker() as m:
            m.delete(f"{groupUri}1234", status_code=204, json={})

            delete_group_command(client, args)

        assert mock_result.call_args.kwargs["outputs"]["id"] == "1234"

    def test_non_existing_group(self, mocker):
        """
        Given:
            - An app client object
            - A scim argument that contains a non-existing group ID.
        When:
            - Calling the main function with 'iam-delete-group'
        Then:
            - Ensure that an error is raised with an expected message.
        """
        client = mock_client()
        args = {"scim": '{"id": "1234"}'}
        mock_result = mocker.patch("AWSILM.CommandResults")

        with requests_mock.Mocker() as m:
            m.delete(f"{groupUri}1234", status_code=404, text="Group Not Found")

            delete_group_command(client, args)

        assert mock_result.call_args.kwargs["outputs"]["errorCode"] == 404
        assert mock_result.call_args.kwargs["outputs"]["errorMessage"] == "Group Not Found"

    def test_id_is_empty(self):
        """
        Given:
            - An app client object
            - A scim argument that not contains a group ID.
        When:
            - Calling the main function with 'iam-delete-group'
        Then:
            - Ensure that an error is raised with an expected message.
        """
        client = mock_client()
        args = {"scim": "{}"}

        with pytest.raises(Exception) as e:
            delete_group_command(client, args)

        assert str(e.value) == "The group id needs to be provided."


def test_get_mapping_fields_command__runs_the_all_integration_flow(mocker):
    """
    Given:
        - An app client object
    When:
        - User schema in the application contains the fields 'field1' and 'field2'
        - Calling the main function with the get-mapping-fields command
    Then:
        - Ensure a GetMappingFieldsResponse object that contains the application fields is returned
    """
    import demistomock as demisto
    from AWSILM import AWS_DEFAULT_SCHEMA_MAPPING

    mocker.patch.object(demisto, "command", return_value="get-mapping-fields")
    mocker.patch.object(demisto, "params", return_value={"url": "http://example.com", "tenant_id": "tenant"})
    mock_result = mocker.patch("AWSILM.return_results")
    main()
    mapping = mock_result.call_args.args[0].extract_mapping()

    assert mapping.get(IAMUserProfile.DEFAULT_INCIDENT_TYPE, {}) == AWS_DEFAULT_SCHEMA_MAPPING