#!/usr/bin/env python3

# http://inamidst.com/saxo/
# Created by Sean B. Palmer

import os
import saxo

@saxo.command(authorised=True, private=True)
def on(arg):
    if not arg:
        return "Turn a command on"

    if "." in arg:
        return "Refusing to touch commands containing '.'"

    command = os.path.join(saxo.commands(), arg)
    saxo_command = os.path.join(saxo.path, "commands", arg)

    if os.path.islink(command):
        return "Error: Command is a symlink"
    elif os.path.isfile(command):
        # This is true for symlinks too
        if not os.path.getsize(command):
            os.remove(command)
            os.symlink(saxo_command, command)
            return "Symlinked commands/%s to its saxo version" % arg
        else:
            os.chmod(command, 0o755)
            return "Changed permissions of commands/%s to 755" % arg
    elif os.path.exists(command):
        return "Error: Command is not a regular file"
    elif os.path.isfile(saxo_command):
        os.symlink(saxo_command, command)
        return "Symlinked commands/%s to new saxo version" % arg
    return "Error: Command does not exist"