import main
from modules import chankeep
from utils.logging.debug import debug

def get_first_relay(net):
    """
    Get the first relay in the network.
    :param net: the network
    :param num: number or relay
    :return: IRCPool instance for the IRC bot
    """
    cur_relay = 0
    max_relay = len(main.network[net].relays.keys()) + 1
    debug(f"get_first_relay() {net}: max_relay:{max_relay}")
    activeRelays = chankeep.getActiveRelays(net)
    debug(f"get_first_relay() {net}: activeRelays:{activeRelays}")
    while cur_relay != max_relay:
        cur_relay += 1
        if cur_relay not in activeRelays:
            continue
        name = net + str(cur_relay)
        if name in main.IRCPool.keys():
            debug(f"get_first_relay() {net}: found relay {name}")
            return main.IRCPool[name]
    return None


def is_first_relay(net, num):
    """
    Determine if we are the first relay for the network.
    :param net: the network
    :param num: number or relay
    :return: True if we are the first relay, False otherwise
    """
    first_relay = get_first_relay(net)
    if not first_relay:
        return False
    return first_relay.num == num


def get_active_relays(net):
    """
    Get all active instances for the network.
    :param net: the network
    :return: list of active instances
    :rtype: list of IRCPool instances
    """
    active_nums = chankeep.getActiveRelays(net)
    active_insts = []
    for num in active_nums:
        name = net + str(num)
        if name in main.IRCPool.keys():
            active_insts.append(main.IRCPool[name])
    return active_insts