import re
from util import hook


@hook.command(autohelp=False)
def help(inp, say=None, notice=None, input=None, conn=None, bot=None):
    "help  -- Gives a list of commands/help for a command."

    funcs = {}
    disabled = bot.config.get('disabled_plugins', [])
    disabled_comm = bot.config.get('disabled_commands', [])
    for command, (func, args) in bot.commands.iteritems():
        fn = re.match(r'^plugins.(.+).py$', func._filename)
        if fn.group(1).lower() not in disabled:
            if not args.get('adminonly', False) or\
            input.nick in bot.config["admins"] or\
            input.mask in bot.config["admins"]:
                if command not in disabled_comm:
                    if func.__doc__ is not None:
                        if func in funcs:
                            if len(funcs[func]) < len(command):
                                funcs[func] = command
                        else:
                            funcs[func] = command

    commands = dict((value, key) for key, value in funcs.iteritems())

    if not inp:
        length = 0
        out = ["", ""]
        well = []
        for x in commands:
            well.append(x)
        well.sort()
        for x in well:
            if len(out[0]) + len(str(x)) > 405:
                out[1] += " " + str(x)
            else:
                out[0] += " " + str(x)

        notice("Commands I recognise: " + out[0][1:])
        if out[1]:
            notice(out[1][1:])
        notice("For detailed help, do '.help <example>' where <example> "\
               "is the name of the command you want help for.")

    else:
        if inp in commands:
            notice(conn.conf["command_prefix"] + commands[inp].__doc__)