#!/usr/bin/env python3

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"""Functions related to parsing the portfile."""

import os
import sys

import click
from beartype import beartype

from seaport._clipboard.format import format_subprocess
from seaport._pep585_constants import TUPLE_TYPE


@beartype
def new_contents() -> TUPLE_TYPE[str, str, str]:
    """Determines the new contents and version number of a portfile.

    Returns:
        (str, str, str): The contents of the new portfile, version number and category
    """
    # Determine the output of the clip function from clipboard
    # Newline added since clipboard removes it
    contents = format_subprocess(["pbpaste"]) + "\n"

    if "port" not in contents.lower():
        click.secho("Cannot retrieve portfile contents from clipboard", fg="red")
        sys.exit(1)

    # Get updated version number from clip
    # Separate var to get mypy to work
    # This is since os.getenv is Optional[str]
    bump = os.getenv("BUMP")
    category = os.getenv("CATEGORY")

    if bump is None or category is None:
        click.secho("Environment variables overwritten", fg="red")
        sys.exit(1)

    return contents, bump, category
