import traceback

class ModuleBase:
    def __init__(self, manager):
        self.manager = manager
    
    def commands(self):
        return []
    
    def helptexts(self):
        return []
    
    def groupchat(self, room, nick, text, handler):
        pass
    
    def join(self, room, nick, show, status, handler):
        pass
    
    def leave(self, room, nick, show, status, handler):
        pass
    
    def topic(self, room, nick, text, handler):
        pass

class ModuleManager:
    def __init__(self, config):
        self.config = config
        self._modules = {}
        
        for mod in config['modules']:
            self.get(mod)
    
    def get(self, name):
        if not name in self._modules:
            mod = __import__('modules.' + name, globals(), locals(), ['Module'])
            self._modules[name] = mod.Module(self)
        
        return self._modules[name]
    
    def commands(self):
        return reduce(lambda l, mod: l + mod.commands(), self._modules.itervalues(), [])
    
    def helptexts(self):
        return reduce(lambda l, mod: l + mod.helptexts(), self._modules.itervalues(), [])
    
    def groupchat(self, room, nick, text, handler):
        for mod in self._modules.itervalues():
            try:
                mod.groupchat(room, nick, text, handler)
            except:
                handler.reply(traceback.format_exc(5))
    
    def join(self, room, nick, show, status, handler):
        for mod in self._modules.itervalues():
            try:
                mod.join(room, nick, show, status, handler)
            except:
                handler.reply(traceback.format_exc(5))
    
    def leave(self, room, nick, show, status, handler):
        for mod in self._modules.itervalues():
            try:
                mod.leave(room, nick, show, status, handler)
            except:
                handler.reply(traceback.format_exc(5))
    
    def topic(self, room, nick, text, handler):
        for mod in self._modules.itervalues():
            try:
                mod.topic(room, nick, text, handler)
            except:
                handler.reply(traceback.format_exc(5))