from logging import log
import os
from pathlib import Path
import sys

from .refit_logger import logger
from . import librefit

# logger.debug("Initiated refit_create.py")
# ----------------------------------------------------------------------


class Refit_Create:
    """A class to create folders and files.

    It first calls the decider which lets the create_input_valid() function
    check if the input argument exists. If create_input_valid() returns
    'True' it continues to execute the command as per the given arguments.

    default folder name: directory"""

    def __init__(self, args):
        """Initiating variables for creation"""
        self.args = args

        self.name = args.name
        self.input = args.input
        self.n = args.n
        self.filemode = args.filemode
        self.recursive = args.recursive

    def create_n_folders(self, n, input, name):
        """Creates an set ammount of folders. Using the default directory
        name if no other is provided."""

        logger.debug(f"FUNC: create_n_folders() ARGS: n={n} input={input} name={name}")

        # Creating the length of the suffix number_string.
        length_n = len(str(n))
        logger.debug(
            f"FUNC: create_n_folders() MSG: Length of numbering string added to the name:{length_n}"
        )

        # Get either the default folder name or the input name as string.
        logger.debug(
            f"FUNC: create_n_folders() MSG: Type of name value: {type(name)} name={name}"
        )
        folder_name = librefit.get_standard_folder_name(name)

        logger.debug(
            f"FUNC: create_n_folders() MSG: Folder name: {folder_name} post get_standard_folder_name() call"
        )

        while n > 0:
            # iterating down for the files number.
            folder_number = str(n - 1)

            # Passing the number and the length of the string to get the string back.
            number_string = librefit.get_standard_name_number(folder_number, length_n)

            # Creating path for the folder
            temp_name = f"{folder_name}_{number_string}"
            folder_creation_path = os.path.join(input, temp_name)

            # Creating folder and subtracting n by one for the number_string
            os.mkdir(folder_creation_path)
            n -= 1

    def create_n_files(self, n, input, name):
        """Creates an set ammount of files, using the default file name
        if none is provided."""

        logger.debug(
            f"FUNC: create_n_files() MSG: Entered function VALUES: n={self.n} name={self.name} input={self.input}"
        )

        # Get the name from the input argument.
        file_name = librefit.get_standard_file_name(name)

        # Get the length of the entered number to fill it with 0
        length_n = len(str(n))
        logger.debug(
            f"FUNC: create_n_files() MSG: file name='{file_name}' length_n={length_n}"
        )

        while n > 0:
            # Get number of the file(s) to create
            file_number = str(n - 1)
            number_string = librefit.get_standard_name_number(file_number, length_n)

            # Get the name of the file, either applying default or using first list item.
            temp_name = f"{file_name}_{number_string}"

            file_path = Path(os.path.join(input, temp_name))  # Build file path
            file_path.touch(exist_ok=True)  # creating file

            logger.debug(
                f"FUNC: create_n_files MSG: created file at {os.path.join(input, temp_name)}"
            )
            # Counting down n for the next ieration of the while-loop
            n -= 1

    def input_validator(self):
        logger.debug("FUNC: input_validator()")
        return True

    def rf_create_decider(self):
        """Coordination of the 'create' sub command"""
        logger.debug("FUNC: rf_create_decider() MSG: Entered decider function")
        # !!!ToDo: implement input_validator()
        if self.input_validator():
            logger.debug("yippie")

        # if no input is provided, current directory is set to input
        logger.debug(f"DEBUG HERE!: type of path is: {type(self.input)}")
        self.input = librefit.get_current_path(self.input)
        logger.debug(
            f"FUNC: rf_create_decider() MSG: successfully retrievd input value: '{self.input}'"
        )

        # Exit the program if the -n argument is not passed
        if self.n is None:
            logger.error(
                f"FUNC rf_create_decider() MSG: the number value cannot be '{self.n}'"
            )
            print("Use the '-n' flag for the create command.")
            sys.exit(1)

        # Exits the program if recursive and filemode flags are set at the same time
        if self.filemode:
            logger.debug("DECISION filemode set, creating files instead of folders")
            if self.recursive is None:
                self.create_n_files(self.n, self.input, self.name)
            else:
                logger.error("Recursive and filemode don´t work together.")
                print("Recursive and filemode don´t work together.")

        if self.recursive:
            print("help")

        if self.recursive is None:
            self.create_n_folders(self.n, self.input, self.name)
        else:
            logger.debug(
                f"FUNC: rf_create_decider(end) MSG: given arguments: {self.args}"
            )
            print(
                "Use '-n' argument to create directories.\nPlease use 'refit create -h' for help"
            )
            sys.exit(1)

    def __call__(self):
        """Gets called when the 'create' subcommand is used."""
        self.rf_create_decider()