from django.conf import settings


def currency_context(request):
    """
    Provides a context dictionary containing the currency setting. This is typically
    used for rendering templates with the appropriate currency value.

    :param request: The HTTP request object. This parameter is not used within
                    the function but is included to maintain compatibility with
                    context processor signature.
    :type request: HttpRequest

    :return: A dictionary with the key 'CURRENCY' containing the value of the
             project's CURRENCY setting.
    :rtype: dict
    """
    return {"CURRENCY": settings.CURRENCY}


def breadcrumbs(request):
    """
    Generates a breadcrumb trail for the given request path.

    The function processes the request's path, splits it into individual
    segments, and creates a list of breadcrumb entries, each representing
    a segment of the path. Each breadcrumb entry consists of a 'name'
    (key) and its associated 'url' (key). The 'name' is a title-cased
    representation of the path segment, and the 'url' is the cumulative URL
    path leading to that segment.

    :param request: The request object containing the path to be processed.
    :type request: Any
    :return: A dictionary containing a list of breadcrumbs, where each
        breadcrumb is represented by a dictionary with 'name' and 'url'.
    :rtype: dict
    """
    breadcrumbs = []
    path = request.path.strip("/").split("/")
    for i in range(len(path)):
        url = "/" + "/".join(path[: i + 1]) + "/"
        breadcrumbs.append({"name": path[i].capitalize(), "url": url})
    return {"breadcrumbs": breadcrumbs}


def user_types(request):
    """
    Sets various flags indicating the user's role types.

    The flags are:

    - request.is_dealer
    - request.is_staff
    - request.is_manager
    - request.is_accountant
    - request.is_sales
    - request.is_inventory

    :param request: The request object to set the flags upon.
    :type request: HttpRequest
    """
    request.is_dealer = False
    request.is_staff = False
    request.is_manager = False
    request.is_accountant = False
    request.is_sales = False
    request.is_inventory = False
    if hasattr(request.user, "dealer"):
        request.is_dealer = True
    elif hasattr(request.user, "staffmember"):
        request.is_staff = True
        staff = getattr(request.user.staffmember, "staff")
        if "Accountant" in staff.groups.values_list("name", flat=True):
            request.is_accountant = True
            return {"is_accountant": True}
        elif "Manager" in staff.groups.values_list("name", flat=True):
            request.is_manager = True
            return {"is_manager": True}
        elif "Sales" in staff.groups.values_list("name", flat=True):
            request.is_sales = True
            return {"is_sales": True}
        elif "Inventory" in staff.groups.values_list("name", flat=True):
            request.is_inventory = True
            return {"is_inventory": True}
    return {}