"""Module contains :class:`.ValidationWindow` which can be used to display error."""

from typing import Optional

from prompt_toolkit.filters.base import FilterOrBool
from prompt_toolkit.formatted_text.base import AnyFormattedText
from prompt_toolkit.layout.containers import ConditionalContainer, Float, Window
from prompt_toolkit.layout.controls import FormattedTextControl


class ValidationWindow(ConditionalContainer):
    """Conditional `prompt_toolkit` :class:`~prompt_toolkit.layout.Window` that displays error.

    Args:
        invalid_message: Error message to display when error occured.
        filter: Condition to display the error window.
    """

    def __init__(
        self, invalid_message: AnyFormattedText, filter: FilterOrBool, **kwargs
    ) -> None:
        super().__init__(
            Window(
                FormattedTextControl(invalid_message), dont_extend_height=True, **kwargs
            ),
            filter=filter,
        )


class ValidationFloat(Float):
    """:class:`~prompt_toolkit.layout.Float` wrapper around :class:`.ValidationWindow`.

    Args:
        invalid_message: Error message to display when error occured.
        filter: Condition to display the error window.
        left: Distance to left.
        right: Distance to right.
        bottom: Distance to bottom.
        top: Distance to top.
    """

    def __init__(
        self,
        invalid_message: AnyFormattedText,
        filter: FilterOrBool,
        left: Optional[int] = None,
        right: Optional[int] = None,
        bottom: Optional[int] = None,
        top: Optional[int] = None,
        **kwargs
    ) -> None:
        super().__init__(
            content=ValidationWindow(
                invalid_message=invalid_message, filter=filter, **kwargs
            ),
            left=left,
            right=right,
            bottom=bottom,
            top=top,
        )