import main
from yaml import dump

class ModCommand:
    def __init__(self, *args):
        self.mod(*args)

    def mod(self, addr, authed, data, obj, spl, success, failure, info, incUsage, length):
        if authed:
            if length == 2:
                if not spl[1] in main.pool.keys():
                    failure("Name does not exist: %s" % spl[1])
                    return
                info(dump({spl[1]: main.pool[spl[1]]}))
                return

            elif length == 3:
                if not spl[1] in main.pool.keys():
                    failure("Name does not exist: %s" % spl[1])
                    return
                if not spl[2] in main.pool[spl[1]].keys():
                    failure("No such key: %s" % spl[2])
                    return
                info("%s: %s" % (spl[2], main.pool[spl[1]][spl[2]]))
                return

            elif length == 4:
                if not spl[1] in main.pool.keys():
                    failure("Name does not exist: %s" % spl[1])
                    return
                if not spl[2] in main.pool[spl[1]].keys():
                    failure("No such key: %s" % spl[2])
                    return

                if spl[3] == main.pool[spl[1]][spl[2]]:
                    failure("Value already exists: %s" % spl[3])
                    return

                if spl[2] == "enabled":
                    failure("Use the enable and disable commands to manage this")
                    return

                main.pool[spl[1]][spl[2]] = spl[3]
                main.saveConf("pool")
                success("Successfully set key %s to %s on %s" % (spl[2], spl[3], spl[1]))
                return

            else:
                incUsage("mod")
                return
        else:
            incUsage(None)