from prompt_toolkit.key_binding.vi_state import InputMode
from prompt_toolkit.application import get_app
from prompt_toolkit.enums import EditingMode


def create_toolbar_tokens_func(cli, show_fish_help):
    """Return a function that generates the toolbar tokens."""

    def get_toolbar_tokens():
        result = []
        result.append(("class:bottom-toolbar", " "))

        if cli.multi_line:
            result.append(
                ("class:bottom-toolbar", " (Semi-colon [;] will end the line) ")
            )
        if cli.multi_line:
            result.append(("class:bottom-toolbar.on", "[F3] Multiline: ON "))
        else:
            result.append(("class:bottom-toolbar.off", "[F3] Multiline: OFF"))

        if cli.prompt_app.editing_mode == EditingMode.VI:
            result.append(
                ("class:bottom-toolbar.on", "Vi-mode ({})".format(_get_vi_mode()))
            )

        if show_fish_help():
            result.append(
                ("class:bottom-toolbar", " Right-arrow to complete suggestion")
            )

        if cli.completion_refresher.is_refreshing():
            result.append(("class:bottom-toolbar", "     Refreshing completions..."))
        return result

    return get_toolbar_tokens


def _get_vi_mode():
    """Get the current vi mode for display."""
    return {
        InputMode.INSERT: "I",
        InputMode.NAVIGATION: "N",
        InputMode.REPLACE: "R",
        InputMode.INSERT_MULTIPLE: "M",
    }[get_app().vi_state.input_mode]
