import argparse
import os
from pathlib import Path

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

    def create_input_valid(self):
        """Checks if the input is valid and returns either True or
        throws an error in log and terminal."""

        logger.debug(f"Start create_input_valid() value= {self.input}")
        if self.input is None:
            input = "."
            self.input = input
            logger.info(
                f"FUNC: create_input_valid MSG: Usingsing current directory as input. value={self.input} "
            )
            return self.input
        else:
            logger.debug(
                f"Exiting create_input_valid() with valid input. value= {self.input}"
            )
            return True

    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 name of the file
        file_name = librefit.get_standard_file_name(name)
        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)

            temp_name = f"{file_name}_{number_string}"

            file_path = Path(os.path.join(input, temp_name))

            file_path.touch(exist_ok=True)
            logger.debug(
                f"FUNC: create_n_files MSG: created file at {os.path.join(input, temp_name)}"
            )

            n -= 1

    def rf_create_decider(self):
        """Coordination of the 'create' sub command"""
        logger.debug("FUNC: rf_create_decider() MSG: Entered decider function")
        if self.create_input_valid():
            logger.debug(f"Valid input. value={self.input}")

            if self.filemode:
                logger.debug("DECISION if filemode")
                self.create_n_files(self.n, self.input, self.name)
            else:
                logger.debug(
                    f"DIR-MODE | ARGS: n={self.n} input={self.input} name={self.name}"
                )
                self.create_n_folders(self.n, self.input, self.name)

    def __call__(self):
        """Gets called when the object is treated as an function"""
        self.rf_create_decider()