import pickle

# Isengard commands

def cmdping(owners, nick, text, sbuf):
    """
    Ping command.
    """

    return "pong !"

def cmdhelp(owners, nick, text, sbuf):
    """
    Ping command.
    """
    
    global commandtable
    
    msg = "Je suis Isengard, le bot de supervision de ce salon.\n"
    msg += "\n"
    msg += "Voici la liste de mes commandes disponibles : \n"
    
    for cmd in commandtable:
        msg += "- " + cmd + "\n"
    
    return msg

def cmdmainteneur(owners, nick, text, sbuf):
    """
    Change maintainer for an host
    """
    
    if not nick in owners:
        return "désolé mais vous n'êtes pas autorisé à utiliser cette commande."
        
    try:
        splittedtext = text.split(" ")
        
        # print maintainer
        if len(splittedtext) ==  2:
            host = splittedtext[1]
            
            return "le responsable de cette machine est " \
                    + sbuf.serviceData[host]["maintainer"]
        
        if len(splittedtext) ==  3:
            host = splittedtext[1]
            maintainer = splittedtext[2]
            
            sbuf.serviceData[host] = {}
            sbuf.serviceData[host]["destmuc"] = None
            sbuf.serviceData[host]["status_state"] = None
            sbuf.serviceData[host]["status_type"] = None
            sbuf.serviceData[host]["text"] = None
            sbuf.serviceData[host]["raw"] = None
            sbuf.serviceData[host]["needUpdate"] = False
            sbuf.serviceData[host]["maintainer"] = maintainer
            
            return "le responsable est à présent " \
                    + sbuf.serviceData[host]["maintainer"]
        
    except Exception as e:
        print(repr(e))
        return "Erreur à l'exécution"

    return "Syntaxe invalide"

def cmdsave(owners, nick, text, sbuf):
    """
    Save
    """
    
    if not nick in owners:
        return "désolé mais vous n'êtes pas autorisé à utiliser cette commande."
        
    try:
        with open('current_buffer', 'wb') as current_buffer_file:
            pickle.dump(sbuf.serviceData, current_buffer_file)
        return "OK"

    except Exception as e:
        print(repr(e))
        return "Erreur à l'exécution"

def cmdload(owners, nick, text, sbuf):
    """
    Save
    """
    
    if not nick in owners:
        return "désolé mais vous n'êtes pas autorisé à utiliser cette commande."
        
    try:
        with open('current_buffer', 'rb') as current_buffer_file:
            sbuf.serviceData = pickle.load(current_buffer_file)
        return "OK"

    except Exception as e:
        print(repr(e))
        return "Erreur à l'exécution"

def cmdhist(owners, nick, text, sbuf):
    """
    Check history for a maintainer
    """
    
    if not nick in sbuf.maintainerData or len(sbuf.maintainerData[nick]) == 0:
        return "pas d'historique disponible pour vous."

    msg = "voici historique pour le mainteneur %s (vous) :\n" % nick
    for host in sbuf.maintainerData[nick]:
        msg += "\nHôte %s:" % host
        
        for serviceline in sbuf.maintainerData[nick][host]:
            msg += "- %s" % serviceline + "\n"
        
    sbuf.maintainerData[nick] = {}
    return msg

# Commands

commandtable = {
"help" : cmdhelp,
"hist" : cmdhist,
"load" : cmdload,
"mainteneur" : cmdmainteneur,
"ping" : cmdping,
"save" : cmdsave,
}