#!/usr/bin/env python3
"""G-Exchange minimal Python client. Demo: python3 client.py"""
import json, urllib.request

BASE = "https://gexchange.website"

def get(path):
    with urllib.request.urlopen(BASE + path, timeout=20) as r:
        return json.loads(r.read())

def post(path, data):
    req = urllib.request.Request(BASE + path, data=json.dumps(data).encode(),
                                 headers={"Content-Type": "application/json"})
    with urllib.request.urlopen(req, timeout=20) as r:
        return json.loads(r.read())

if __name__ == "__main__":
    ix = get("/v1/futures/index")
    print("index:", ix.get("index"), "spread:", ix.get("spread_pct"))

    import random
    u = "pyclient_%d" % random.randint(100000, 999999)
    acct = post("/v1/futures/register", {"username": u, "password": "demo1234"})
    print("account:", acct["username"], "balance:", acct["balance_usdc"])

    order = post("/v1/futures/trade", {"token": acct["token"], "side": "long",
                                       "size_usdc": 50, "leverage": 20})
    print("order:", order)