import os
import sys
from setuptools import setup, find_packages

os.chdir(os.path.dirname(os.path.realpath(__file__)))

VERSION_PATH = os.path.join('evennia', 'VERSION.txt')


def get_requirements():
    """
    To update the requirements for Evennia, edit the requirements.txt file.
    """
    req_lines = open('requirements.txt', 'r').readlines()
    reqs = []
    for line in req_lines:
        # Avoid adding comments.
        line = line.split('#')[0].strip()
        if line:
            reqs.append(line)
    return reqs


def get_scripts():
    """
    Determine which executable scripts should be added. For Windows,
    this means creating a .bat file.
    """
    execlist = []
    if os.name == "nt":
        # Windows
        with open(os.path("bin", "evennia.bat"), "w") as bat_file:
            bat_file.write("@\"%s\" \"%s\" %%*" % (sys.executable, os.path.join("bin/python.py")))
        execlist.append("bin/evennia.bat")
    else:
        # Linux, Mac
        execlist.append("bin/evennia")
    execlist.append("bin/evennia_runner.py")
    return execlist


def get_version():
    """
    When updating the Evennia package for release, remember to increment the
    version number in evennia/VERSION.txt
    """
    return open(VERSION_PATH).read().strip()


def package_data():
    """
    By default, the distribution tools ignore all non-python files.

    Make sure we get everything.
    """
    file_set = []
    for root, dirs, files in os.walk('evennia'):
        for f in files:
            if '.git' in f.split(os.path.normpath(os.path.join(root, f))):
                # Prevent the repo from bing added.
                continue
            file_name = os.path.relpath(os.path.join(root, f), 'evennia')
            file_set.append(file_name)
    return file_set

setup(
    name='evennia',
    version=get_version(),
    description='A full-featured MUD building toolkit.',
    packages=find_packages(),
    scripts=get_scripts(),
    install_requires=get_requirements(),
    package_data={'': package_data()},
    zip_safe=False
)