"""Base controller for the CLI."""

import argparse
import difflib
import os
import re
import shlex
from abc import ABCMeta, abstractmethod
from datetime import datetime
from pathlib import Path
from typing import Any, Literal

import pandas as pd
from openbb_cli.config.completer import NestedCompleter
from openbb_cli.config.constants import SCRIPT_TAGS
from openbb_cli.controllers.choices import build_controller_choice_map
from openbb_cli.controllers.utils import (
    check_file_type_saved,
    check_positive,
    get_flair_and_username,
    handle_obbject_display,
    parse_unknown_args_to_dict,
    print_rich_table,
    system_clear,
    validate_register_key,
)
from openbb_cli.session import Session
from prompt_toolkit.formatted_text import HTML
from prompt_toolkit.styles import Style

# pylint: disable=C0301,C0302,R0902,global-statement,too-many-boolean-expressions
# pylint: disable=R0912

controllers: dict[str, Any] = {}
session = Session()


# TODO: We should try to avoid these global variables
RECORD_SESSION = False
SESSION_RECORDED = list()
SESSION_RECORDED_NAME = ""
SESSION_RECORDED_DESCRIPTION = ""
SESSION_RECORDED_TAGS = ""
SESSION_RECORDED_PUBLIC = False


class BaseController(metaclass=ABCMeta):
    """Base class for a cli controller."""

    CHOICES_COMMON = [
        "cls",
        "home",
        "h",
        "?",
        "help",
        "q",
        "quit",
        "..",
        "e",
        "exit",
        "r",
        "reset",
        "stop",
        "results",
    ]

    CHOICES_COMMANDS: list[str] = []
    CHOICES_MENUS: list[str] = []
    NEWS_CHOICES: dict = {}
    COMMAND_SEPARATOR = "/"
    KEYS_MENU = "keys" + COMMAND_SEPARATOR
    PATH: str = ""
    FILE_PATH: str = ""
    CHOICES_GENERATION = False

    @property
    def choices_default(self):
        """Return the default choices."""
        choices = (
            build_controller_choice_map(controller=self)
            if self.CHOICES_GENERATION
            else {}
        )

        return choices

    def __init__(self, queue: list[str] | None = None) -> None:
        """Create the base class for any controller in the codebase.

        Used to simplify the creation of menus.

        queue: List[str]
            The current queue of jobs to process separated by "/"
            E.g. /stocks/load gme/dps/sidtc/../exit
        """
        self.check_path()
        self.path = [x for x in self.PATH.split("/") if x != ""]
        self.queue = (
            self.parse_input(an_input="/".join(queue))
            if (queue and self.PATH != "/")
            else list()
        )

        controller_choices = self.CHOICES_COMMANDS + self.CHOICES_MENUS
        if controller_choices:
            self.controller_choices = controller_choices + self.CHOICES_COMMON
        else:
            self.controller_choices = self.CHOICES_COMMON

        self.completer: None | NestedCompleter = None

        self.parser = argparse.ArgumentParser(
            add_help=False,
            prog=self.path[-1] if self.PATH != "/" else "cli",
        )
        self.parser.exit_on_error = False  # type: ignore
        self.parser.add_argument("cmd", choices=self.controller_choices)

    def update_completer(self, choices) -> None:
        """Update the completer with new choices."""
        if session.prompt_session and session.settings.USE_PROMPT_TOOLKIT:
            self.completer = NestedCompleter.from_nested_dict(choices)

    def check_path(self) -> None:
        """Check if command path is valid."""
        path = self.PATH
        if path[0] != "/":
            raise ValueError("Path must begin with a '/' character.")
        if path[-1] != "/":
            raise ValueError("Path must end with a '/' character.")
        if not re.match("^[a-z/]*$", path):
            raise ValueError(
                "Path must only contain lowercase letters and '/' characters."
            )

    def load_class(self, class_ins, *args, **kwargs):
        """Check for an existing instance of the controller before creating a new one."""
        self.save_class()
        arguments = len(args) + len(kwargs)

        if class_ins.PATH in controllers and arguments == 1:
            old_class = controllers[class_ins.PATH]
            old_class.queue = self.queue
            return old_class.menu()
        return class_ins(*args, **kwargs).menu()

    def save_class(self) -> None:
        """Save the current instance of the class to be loaded later."""
        controllers[self.PATH] = self

    def custom_reset(self) -> list[str]:
        """Implement custom reset.

        This will be replaced by any children with custom_reset functions.
        """
        return []

    @abstractmethod
    def print_help(self) -> None:
        """Print help placeholder."""
        raise NotImplementedError("Must override print_help.")

    def parse_input(self, an_input: str) -> list:
        """Parse controller input."""
        # The original regex has been improved to handle quoted strings.
        # It now splits by '/' only when it's not enclosed in single or double quotes.
        # This allows commands like: exe --file "folder with spaces/file.openbb"
        # or exe --file 'folder with spaces/file.openbb'
        commands = re.split(r"/(?=(?:[^\"']*[\"'][^\"']*[\"'])*[^\"']*$)", an_input)
        # Remove empty strings from the list of commands
        return [cmd.strip() for cmd in commands if cmd.strip()]

    def switch(self, an_input: str) -> list[str]:
        """Process and dispatch input.

        Returns
        ----------
        List[str]
            list of commands in the queue to execute
        """
        actions = self.parse_input(an_input)

        if an_input and an_input != "reset":
            session.console.print()

        # Empty command
        if len(actions) == 0:
            pass

        # Navigation slash is being used first split commands
        elif len(actions) > 1:
            # Absolute path is specified
            if not actions[0]:
                actions[0] = "home"

            # Add all instructions to the queue
            for cmd in actions[::-1]:
                if cmd:
                    self.queue.insert(0, cmd)

        # Single command fed, process
        else:
            try:
                known_args, other_args = self.parser.parse_known_args(
                    shlex.split(an_input)
                )
            except Exception as exc:
                raise SystemExit from exc

            if RECORD_SESSION:
                SESSION_RECORDED.append(an_input)

            # Redirect commands to their correct functions
            if known_args.cmd:
                if known_args.cmd in ("..", "q"):
                    known_args.cmd = "quit"
                elif known_args.cmd in ("e"):
                    known_args.cmd = "exit"
                elif known_args.cmd in ("?", "h"):
                    known_args.cmd = "help"
                elif known_args.cmd == "r":
                    known_args.cmd = "reset"

            getattr(
                self,
                "call_" + known_args.cmd,
                lambda _: "Command not recognized!",
            )(other_args)

        if (
            an_input
            and an_input != "reset"
            and (
                not self.queue or (self.queue and self.queue[0] not in ("quit", "help"))
            )
        ):
            session.console.print()

        return self.queue

    def call_cls(self, _) -> None:
        """Process cls command."""
        system_clear()

    def call_home(self, _) -> None:
        """Process home command."""
        self.save_class()
        if self.PATH.count("/") == 1 and session.settings.ENABLE_EXIT_AUTO_HELP:
            self.print_help()
        for _ in range(self.PATH.count("/") - 1):
            self.queue.insert(0, "quit")

    def call_help(self, _) -> None:
        """Process help command."""
        self.print_help()

    def call_quit(self, _) -> None:
        """Process quit menu command."""
        self.save_class()
        self.queue.insert(0, "quit")

    def call_exit(self, _) -> None:
        # Not sure how to handle controller loading here
        """Process exit cli command."""
        self.save_class()
        for _ in range(self.PATH.count("/")):
            self.queue.insert(0, "quit")

    def call_reset(self, _) -> None:
        """Process reset command.

        If you would like to have customization in the reset process define a method
        `custom_reset` in the child class.
        """
        self.save_class()
        if self.PATH != "/":
            if self.custom_reset():
                self.queue = self.custom_reset() + self.queue
            else:
                for val in self.path[::-1]:
                    self.queue.insert(0, val)
            self.queue.insert(0, "reset")
            for _ in range(len(self.path)):
                self.queue.insert(0, "quit")

    def call_record(self, other_args) -> None:
        """Process record command."""
        parser = argparse.ArgumentParser(
            add_help=False,
            formatter_class=argparse.ArgumentDefaultsHelpFormatter,
            prog="record",
            description="Start recording session into .openbb routine file",
        )
        parser.add_argument(
            "-n",
            "--name",
            action="store",
            dest="name",
            type=str,
            default="",
            help="Routine title name to be saved - only use characters, digits and whitespaces.",
            nargs="+",
        )
        parser.add_argument(
            "-d",
            "--description",
            type=str,
            dest="description",
            help="The description of the routine",
            default=f"Routine recorded at {datetime.now().strftime('%H:%M')} from the OpenBB Platform CLI",
            nargs="+",
        )
        parser.add_argument(
            "--tag1",
            type=str,
            dest="tag1",
            help=f"The tag associated with the routine. Select from: {', '.join(SCRIPT_TAGS)}",
            default="",
            nargs="+",
        )
        parser.add_argument(
            "--tag2",
            type=str,
            dest="tag2",
            help=f"The tag associated with the routine. Select from: {', '.join(SCRIPT_TAGS)}",
            default="",
            nargs="+",
        )
        parser.add_argument(
            "--tag3",
            type=str,
            dest="tag3",
            help=f"The tag associated with the routine. Select from: {', '.join(SCRIPT_TAGS)}",
            default="",
            nargs="+",
        )
        parser.add_argument(
            "-p",
            "--public",
            dest="public",
            action="store_true",
            help="Whether the routine should be public or not",
            default=False,
        )

        if other_args and "-" not in other_args[0][0]:
            other_args.insert(0, "-n")

        ns_parser, _ = self.parse_simple_args(parser, other_args)

        if ns_parser:
            if not ns_parser.name:
                session.console.print(
                    "[red]Set a routine title by using the '-n' flag. E.g. 'record -n Morning routine'[/red]"
                )
                return

            tag1 = (
                " ".join(ns_parser.tag1)
                if isinstance(ns_parser.tag1, list)
                else ns_parser.tag1
            )
            if tag1 and tag1 not in SCRIPT_TAGS:
                session.console.print(
                    f"[red]The parameter 'tag1' needs to be one of the following {', '.join(SCRIPT_TAGS)}[/red]"
                )
                return

            tag2 = (
                " ".join(ns_parser.tag2)
                if isinstance(ns_parser.tag2, list)
                else ns_parser.tag2
            )
            if tag2 and tag2 not in SCRIPT_TAGS:
                session.console.print(
                    f"[red]The parameter 'tag2' needs to be one of the following {', '.join(SCRIPT_TAGS)}[/red]"
                )
                return

            tag3 = (
                " ".join(ns_parser.tag3)
                if isinstance(ns_parser.tag3, list)
                else ns_parser.tag3
            )
            if tag3 and tag3 not in SCRIPT_TAGS:
                session.console.print(
                    f"[red]The parameter 'tag3' needs to be one of the following {', '.join(SCRIPT_TAGS)}[/red]"
                )
                return

            # Check if title has a valid format
            title = " ".join(ns_parser.name) if ns_parser.name else ""
            pattern = re.compile(r"^[a-zA-Z0-9\s]+$")
            if not pattern.match(title):
                session.console.print(
                    f"[red]Title '{title}' has invalid format. Please use only digits, characters and whitespaces.[/]"
                )
                return

            global RECORD_SESSION  # noqa: PLW0603
            global SESSION_RECORDED_NAME  # noqa: PLW0603
            global SESSION_RECORDED_DESCRIPTION  # noqa: PLW0603
            global SESSION_RECORDED_TAGS  # noqa: PLW0603
            global SESSION_RECORDED_PUBLIC  # noqa: PLW0603

            RECORD_SESSION = True
            SESSION_RECORDED_NAME = title
            SESSION_RECORDED_DESCRIPTION = (
                " ".join(ns_parser.description)
                if isinstance(ns_parser.description, list)
                else ns_parser.description
            )
            SESSION_RECORDED_TAGS = tag1 if tag1 else ""
            SESSION_RECORDED_TAGS += "," + tag2 if tag2 else ""
            SESSION_RECORDED_TAGS += "," + tag3 if tag3 else ""

            SESSION_RECORDED_PUBLIC = ns_parser.public

            session.console.print(
                f"[green]The routine '{title}' is successfully being recorded.[/green]"
            )
            session.console.print(
                "\n[yellow]Remember to run 'stop' command when you are done!\n[/yellow]"
            )

    def call_stop(self, other_args) -> None:
        """Process stop command."""
        parser = argparse.ArgumentParser(
            add_help=False,
            formatter_class=argparse.ArgumentDefaultsHelpFormatter,
            prog="stop",
            description="Stop recording session into .openbb routine file",
        )
        # This is only for auto-completion purposes
        _, _ = self.parse_simple_args(parser, other_args)

        if "-h" not in other_args and "--help" not in other_args:
            global RECORD_SESSION  # noqa: PLW0603
            global SESSION_RECORDED  # noqa: PLW0603

            if not RECORD_SESSION:
                session.console.print(
                    "[red]There is no session being recorded. Start one using the command 'record'[/red]\n"
                )
            elif len(SESSION_RECORDED) < 5:
                session.console.print(
                    "[red]Run at least 4 commands before stopping recording a session.[/red]\n"
                )
            else:
                current_user = session.user
                title_for_local_storage = (
                    SESSION_RECORDED_NAME.replace(" ", "_") + ".openbb"
                )

                routine_file = os.path.join(
                    f"{current_user.preferences.export_directory}/routines",
                    title_for_local_storage,
                )

                # If file already exists, add a timestamp to the name
                if os.path.isfile(routine_file):
                    i = session.console.input(
                        "A local routine with the same name already exists, do you want to override it? (y/n): "
                    )
                    session.console.print("")
                    while i.lower() not in ["y", "yes", "n", "no"]:
                        i = session.console.input("Select 'y' or 'n' to proceed: ")
                        session.console.print("")

                    if i.lower() in ["n", "no"]:
                        new_name = (
                            datetime.now().strftime("%Y%m%d_%H%M%S_")
                            + title_for_local_storage
                        )
                        routine_file = os.path.join(
                            current_user.preferences.export_directory,
                            "routines",
                            new_name,
                        )
                        session.console.print(
                            f"[yellow]The routine name has been updated to '{new_name}'[/yellow]\n"
                        )

                # Writing to file
                Path(os.path.dirname(routine_file)).mkdir(parents=True, exist_ok=True)

                with open(routine_file, "w") as file1:
                    lines = ["# OpenBB Platform CLI - Routine", "\n"]
                    lines += [
                        f"# Title: {SESSION_RECORDED_NAME}",
                        "\n",
                        f"# Tags: {SESSION_RECORDED_TAGS}",
                        "\n\n",
                        f"# Description: {SESSION_RECORDED_DESCRIPTION}",
                        "\n\n",
                    ]
                    lines += [c + "\n" for c in SESSION_RECORDED[:-1]]
                    # Writing data to a file
                    file1.writelines(lines)

                session.console.print(
                    f"[green]Your routine has been recorded and saved here: {routine_file}[/green]\n"
                )

                # Clear session to be recorded again
                RECORD_SESSION = False
                SESSION_RECORDED = list()

    def call_results(self, other_args: list[str]):
        """Process results command."""
        parser = argparse.ArgumentParser(
            add_help=False,
            formatter_class=argparse.ArgumentDefaultsHelpFormatter,
            prog="results",
            description="Process results command. This command displays a registry of "
            "'OBBjects' where all execution results are stored. "
            "It is organized as a stack, with the most recent result at index 0.",
        )
        parser.add_argument("--index", dest="index", help="Index of the result.")
        parser.add_argument("--key", dest="key", help="Key of the result.")
        parser.add_argument(
            "--chart", action="store_true", dest="chart", help="Display chart."
        )
        parser.add_argument(
            "--export",
            default="",
            type=check_file_type_saved(["csv", "json", "xlsx", "png", "jpg"]),
            dest="export",
            help="Export raw data into csv, json, xlsx and figure into png or jpg.",
            nargs="+",
        )
        parser.add_argument(
            "--sheet-name",
            dest="sheet_name",
            default=None,
            nargs="+",
            help="Name of excel sheet to save data to. Only valid for .xlsx files.",
        )

        ns_parser, unknown_args = self.parse_simple_args(
            parser, other_args, unknown_args=True
        )

        if ns_parser:
            kwargs = parse_unknown_args_to_dict(unknown_args)
            if not ns_parser.index and not ns_parser.key:
                results = session.obbject_registry.all
                if results:
                    df = pd.DataFrame.from_dict(results, orient="index")
                    print_rich_table(
                        df,
                        show_index=True,
                        index_name="stack index",
                        title="OBBject Results",
                    )
                else:
                    session.console.print("[info]No results found.[/info]")
            elif ns_parser.index:
                try:
                    index = int(ns_parser.index)
                    obbject = session.obbject_registry.get(index)
                    if obbject:
                        handle_obbject_display(
                            obbject=obbject,
                            chart=ns_parser.chart,
                            export=ns_parser.export,
                            sheet_name=ns_parser.sheet_name,
                            **kwargs,
                        )
                    else:
                        session.console.print(
                            f"[info]No result found at index {index}.[/info]"
                        )
                except ValueError:
                    session.console.print(
                        f"[red]Index must be an integer, not '{ns_parser.index}'.[/red]"
                    )
            elif ns_parser.key:
                obbject = session.obbject_registry.get(ns_parser.key)
                if obbject:
                    handle_obbject_display(
                        obbject=obbject,
                        chart=ns_parser.chart,
                        export=ns_parser.export,
                        sheet_name=ns_parser.sheet_name,
                        **kwargs,
                    )
                else:
                    session.console.print(
                        f"[info]No result found with key '{ns_parser.key}'.[/info]"
                    )

    @staticmethod
    def parse_simple_args(
        parser: argparse.ArgumentParser,
        other_args: list[str],
        unknown_args: bool = False,
    ) -> tuple[argparse.Namespace | None, list[str] | None]:
        """Parse list of arguments into the supplied parser.

        Parameters
        ----------
        parser: argparse.ArgumentParser
            Parser with predefined arguments
        other_args: List[str]
            List of arguments to parse
        unknown_args: bool
            Flag to indicate if unknown arguments should be returned

        Returns
        -------
        ns_parser: argparse.Namespace
            Namespace with parsed arguments
        l_unknown_args: List[str]
            List of unknown arguments
        """
        parser.add_argument(
            "-h", "--help", action="store_true", help="show this help message"
        )

        if session.settings.USE_CLEAR_AFTER_CMD:
            system_clear()

        try:
            ns_parser, l_unknown_args = parser.parse_known_args(other_args)
        except SystemExit:
            # In case the command has required argument that isn't specified
            session.console.print("\n")
            return None, None

        if ns_parser.help:
            txt_help = parser.format_help()
            session.console.print(f"[help]{txt_help}[/help]")
            return None, None

        if l_unknown_args and not unknown_args:
            session.console.print(
                f"The following args couldn't be interpreted: {l_unknown_args}\n"
            )
        return ns_parser, l_unknown_args

    @classmethod
    def parse_known_args_and_warn(  # pylint: disable=R0917
        cls,
        parser: argparse.ArgumentParser,
        other_args: list[str],
        export_allowed: Literal[
            "no_export", "raw_data_only", "figures_only", "raw_data_and_figures"
        ] = "no_export",
        raw: bool = False,
        limit: int = 0,
    ):
        """Parse list of arguments into the supplied parser.

        Parameters
        ----------
        parser: argparse.ArgumentParser
            Parser with predefined arguments
        other_args: List[str]
            list of arguments to parse
        export_allowed: Literal["no_export", "raw_data_only", "figures_only", "raw_data_and_figures"]
            Export options
        raw: bool
            Add the --raw flag
        limit: int
            Add a --limit flag with this number default

        Returns
        ----------
        ns_parser:
            Namespace with parsed arguments
        """
        parser.add_argument(
            "-h", "--help", action="store_true", help="show this help message"
        )

        if export_allowed != "no_export":
            choices_export = []
            help_export = "Does not export!"

            if export_allowed == "raw_data_only":
                choices_export = ["csv", "json", "xlsx"]
                help_export = "Export raw data into csv, json or xlsx."
            elif export_allowed == "figures_only":
                choices_export = ["png", "jpg"]
                help_export = "Export figure into png or jpg."
            else:
                choices_export = ["csv", "json", "xlsx", "png", "jpg"]
                help_export = (
                    "Export raw data into csv, json, xlsx and figure into png or jpg."
                )

            parser.add_argument(
                "--export",
                default="",
                type=check_file_type_saved(choices_export),
                dest="export",
                help=help_export,
                nargs="+",
            )

            # If excel is an option, add the sheet name
            if export_allowed in [
                "raw_data_only",
                "raw_data_and_figures",
            ]:
                parser.add_argument(
                    "--sheet-name",
                    dest="sheet_name",
                    default=None,
                    nargs="+",
                    help="Name of excel sheet to save data to. Only valid for .xlsx files.",
                )

        if raw:
            parser.add_argument(
                "--raw",
                dest="raw",
                action="store_true",
                default=False,
                help="Flag to display raw data",
            )
        if limit > 0:
            parser.add_argument(
                "-l",
                "--limit",
                dest="limit",
                default=limit,
                help="Number of entries to show in data.",
                type=check_positive,
            )

        parser.add_argument(
            "--register_obbject",
            dest="register_obbject",
            action="store_false",
            default=True,
            help="Flag to store data in the OBBject registry, True by default.",
        )
        parser.add_argument(
            "--register_key",
            dest="register_key",
            default="",
            help="Key to reference data in the OBBject registry.",
            type=validate_register_key,
        )

        if session.settings.USE_CLEAR_AFTER_CMD:
            system_clear()

        if "--help" in other_args or "-h" in other_args:
            txt_help = parser.format_help() + "\n"
            session.console.print(f"[help]{txt_help}[/help]")
            return None

        try:
            # Determine the index of the routine arguments
            routine_args_index = next(
                (
                    i + 1
                    for i, arg in enumerate(other_args)
                    if arg in ("-i", "--input")
                    and "routine_args"
                    in [
                        action.dest
                        for action in parser._actions  # pylint: disable=protected-access
                    ]
                ),
                -1,
            )
            # Collect indices whose values should NOT be comma-split because
            # the provider may accept a comma-separated string (e.g. --symbol
            # AAPL,MSFT).  Handles --flag value, --flag=value, -f value, and
            # multi-value flags (nargs="+" / nargs="*" / nargs=N).
            no_split_indices: set[int] = set()
            if 0 <= routine_args_index < len(other_args):
                no_split_indices.add(routine_args_index)

            for i, arg in enumerate(other_args):
                if not arg.startswith("-"):
                    continue
                # Handle --flag=value by extracting the flag portion.
                flag_part = arg.split("=", 1)[0] if "=" in arg else arg
                for action in parser._actions:  # pylint: disable=protected-access
                    if flag_part in action.option_strings and action.nargs != 0:
                        if "=" in arg:
                            # Value is embedded in the same token.
                            no_split_indices.add(i)
                        elif action.nargs in ("+", "*") or (
                            isinstance(action.nargs, int) and action.nargs > 1
                        ):
                            # Multi-value flag: protect all consecutive
                            # non-flag tokens after the flag.
                            j = i + 1
                            while j < len(other_args) and not other_args[j].startswith(
                                "-"
                            ):
                                no_split_indices.add(j)
                                j += 1
                        # Single-value flag: protect the next token.
                        elif i + 1 < len(other_args):
                            no_split_indices.add(i + 1)
                        break

            # Split comma-separated arguments only for positional / unflagged values.
            other_args = [
                part
                for index, arg in enumerate(other_args)
                for part in ([arg] if index in no_split_indices else arg.split(","))
            ]

            # Check if the action has optional choices, if yes, remove them
            for action in parser._actions:  # pylint: disable=protected-access
                if getattr(action, "optional_choices", None):
                    action.choices = None

            ns_parser, l_unknown_args = parser.parse_known_args(other_args)

            if export_allowed in [
                "raw_data_only",
                "raw_data_and_figures",
            ]:
                ns_parser.is_image = any(
                    ext in ns_parser.export for ext in ["png", "jpg"]
                )

        except SystemExit:
            # In case the command has required argument that isn't specified

            return None

        if l_unknown_args:
            session.console.print(
                f"The following args couldn't be interpreted: {l_unknown_args}"
            )
        return ns_parser

    def menu(self, custom_path_menu_above: str = ""):
        """Enter controller menu."""
        settings = session.settings
        an_input = "HELP_ME"

        while True:
            # There is a command in the queue
            if self.queue and len(self.queue) > 0:
                if self.queue[0] in ("q", "..", "quit"):
                    self.save_class()
                    # Go back to the root in order to go to the right directory because
                    # there was a jump between indirect menus
                    if custom_path_menu_above:
                        self.queue.insert(1, custom_path_menu_above)

                    if len(self.queue) > 1:
                        return self.queue[1:]

                    if settings.ENABLE_EXIT_AUTO_HELP:
                        return ["help"]
                    return []

                # Consume 1 element from the queue
                an_input = self.queue[0]
                self.queue = self.queue[1:]

                # Print location because this was an instruction and we want user to know the action
                if (
                    an_input
                    and an_input not in ("home", "help")
                    and an_input.split(" ")[0] in self.controller_choices
                ):
                    session.console.print(
                        f"{get_flair_and_username()} {self.PATH} $ {an_input}"
                    )

            # Get input command from user
            else:
                # Display help menu when entering on this menu from a level above
                if an_input == "HELP_ME":
                    self.print_help()

                try:
                    prompt_session = session.prompt_session
                    if prompt_session and settings.USE_PROMPT_TOOLKIT:
                        # Check if toolbar hint was enabled
                        if settings.TOOLBAR_HINT:
                            an_input = prompt_session.prompt(
                                f"{get_flair_and_username()} {self.PATH} $ ",
                                completer=self.completer,
                                search_ignore_case=True,
                                bottom_toolbar=HTML(
                                    '<style bg="ansiblack" fg="ansiwhite">[h]</style> help menu    '
                                    '<style bg="ansiblack" fg="ansiwhite">[q]</style> return to previous menu    '
                                    '<style bg="ansiblack" fg="ansiwhite">[e]</style> exit the program    '
                                    '<style bg="ansiblack" fg="ansiwhite">[cmd -h]</style> '
                                    "see usage and available options    "
                                    f"{self.path[-1].capitalize()} (cmd/menu) Documentation"
                                ),
                                style=Style.from_dict(
                                    {"bottom-toolbar": "#ffffff bg:#333333"}
                                ),
                            )
                        else:
                            an_input = prompt_session.prompt(
                                f"{get_flair_and_username()} {self.PATH} $ ",
                                completer=self.completer,
                                search_ignore_case=True,
                            )
                    # Get input from user without auto-completion
                    else:
                        an_input = input(f"{get_flair_and_username()} {self.PATH} $ ")

                except (KeyboardInterrupt, EOFError):
                    # Exit in case of keyboard interrupt
                    an_input = "exit"

            try:
                # Allow user to go back to root
                an_input = "home" if an_input == "/" else an_input

                # Process the input command
                self.queue = self.switch(an_input)

            except SystemExit:
                session.console.print(
                    f"[red]The command '{an_input}' doesn't exist on the {self.PATH} menu.[/red]\n",
                )
                similar_cmd = difflib.get_close_matches(
                    an_input.split(" ")[0] if " " in an_input else an_input,
                    self.controller_choices,
                    n=1,
                    cutoff=0.7,
                )
                if similar_cmd:
                    if " " in an_input:
                        candidate_input = (
                            f"{similar_cmd[0]} {' '.join(an_input.split(' ')[1:])}"
                        )
                        if candidate_input == an_input:
                            an_input = ""
                            self.queue = []
                            session.console.print("\n")
                            continue

                        an_input = candidate_input
                    else:
                        an_input = similar_cmd[0]

                    session.console.print(
                        f"[green]Replacing by '{an_input}'.[/green]\n"
                    )
                    self.queue.insert(0, an_input)
