#/bin/python3

import os
import subprocess

from generators import generators


def generate(args):
    """Wrapper for generate_blog(fresh=False)."""
    # pylint: disable=unused-argument
    exit(generators.generate_blog(fresh=False))


def regenerate(args):
    """Wrapper for generate_blog(fresh=True)."""
    # pylint: disable=unused-argument
    exit(generators.generate_blog(fresh=True))


def edit_post_with_editor(path):
    """Launch text editor to edit post at a given path.

    Text editor is $VISUAL, then if empty, $EDITOR, then if still empty,
    vi.

    """
    if "VISUAL" in os.environ:
        editor = os.environ["VISUAL"]
    elif "EDITOR" in os.environ:
        editor = os.environ["EDITOR"]
    else:
        editor = "vi"
    subprocess.call([editor, path])