from bitcoinrpc.authproxy import AuthServiceProxy, JSONRPCException
import time, json, os, sys, re, socket

# Either returns domain's address or none if it doesn't exist
# Supports subdomains and .bit on the end
def lookupDomain(domain):
    domain = domain.lower()

    #remove .bit on end
    if domain[-4:] == ".bit":
        domain = domain[0:-4]

    #check for subdomain
    if domain.find(".") != -1:
        subdomain = domain[0:domain.find(".")]
        domain = domain[domain.find(".")+1:]
    else:
        subdomain = ""

    try:
        domain_object = rpc.name_show("d/"+domain)
    except:
        #domain doesn't exist
        return None

    domain_json = json.loads(domain_object["value"])

    try:
        domain_address = domain_json["zeronet"][subdomain]
    except:
        #domain exists but doesn't have any zeronet value
        return None

    return domain_address

# Loading config...

# Check whether platform is on windows or linux
# On linux namecoin is installed under ~/.namecoin, while on on windows it is in %appdata%/Namecoin

if sys.platform == "win32":
    namecoin_location = os.getenv('APPDATA') + "/Namecoin/"
else:
    namecoin_location = os.path.expanduser("~/.namecoin/")

# Getting rpc connect details
namecoin_conf = open(namecoin_location + "namecoin.conf").read()

# Connecting to RPC
rpc_user = re.search(r"^\s*rpcuser\s*=(\S+)\s*(?:#.*)?$", namecoin_conf, re.M).group(1)
rpc_pass = re.search(r"^\s*rpcpassword\s*=(\S+)\s*(?:#.*)?$", namecoin_conf, re.M).group(1)
rpc_port = re.search(r"^\s*rpcport\s*=(\d{1,5})\s*(?:#.*)?$", namecoin_conf, re.M)
rpc_port = rpc_port.group(1) if rpc_port is not None else "8336"

rpc_url = "http://%s:%s@127.0.0.1:%s" % (rpc_user, rpc_pass, rpc_port)

rpc = AuthServiceProxy(rpc_url, timeout=60*5)