"""Breadcrumb components."""

from pynecone.components.component import Component
from pynecone.components.libs.chakra import ChakraComponent
from pynecone.var import Var


class Breadcrumb(ChakraComponent):
    """The parent container for breadcrumbs."""

    tag = "Breadcrumb"

    # The visual separator between each breadcrumb item
    separator: Var[str]

    # The left and right margin applied to the separator
    separator_margin: Var[str]

    @classmethod
    def create(cls, *children, items=None, **props) -> Component:
        """Create a breadcrumb component.

        If the kw-args `items` is provided and is a list, they will be added as children.

        Args:
            children: The children of the component.
            items (list): The items of the breadcrumb: (label, link)
            props: The properties of the component.

        Returns:
            The breadcrumb component.
        """
        if len(children) == 0:
            children = []
            for label, link in items or []:
                children.append(
                    BreadcrumbItem.create(BreadcrumbLink.create(label, href=link))
                )
        return super().create(*children, **props)


class BreadcrumbItem(ChakraComponent):
    """Individual breadcrumb element containing a link and a divider."""

    tag = "BreadcrumbItem"

    # Is the current page of the breadcrumb.
    is_current_page: Var[bool]

    # Is the last child of the breadcrumb.
    is_last_child: Var[bool]

    # The visual separator between each breadcrumb item
    separator: Var[str]

    # The left and right margin applied to the separator
    spacing: Var[str]

    # The href of the item.
    href: Var[str]


class BreadcrumbSeparator(ChakraComponent):
    """The visual separator between each breadcrumb."""

    tag = "BreadcrumbSeparator"


class BreadcrumbLink(ChakraComponent):
    """The breadcrumb link."""

    tag = "BreadcrumbLink"

    # Is the current page of the breadcrumb.
    is_current_page: Var[bool]