import os
import base64
import datetime
import requests
import json
from dotenv import load_dotenv
from cryptography.hazmat.primitives import serialization, hashes
from cryptography.hazmat.primitives.asymmetric import padding
from cryptography.hazmat.backends import default_backend

load_dotenv()

KEY_ID   = os.getenv("KALSHI_API_KEY_ID")
KEY_PATH = os.getenv("KALSHI_PRIVATE_KEY_PATH")
BASE_URL = "https://api.elections.kalshi.com"

def load_private_key(file_path):
    with open(file_path, "rb") as f:
        return serialization.load_pem_private_key(
            f.read(), password=None, backend=default_backend()
        )

def sign_request(private_key, timestamp, method, path):
    message = (timestamp + method + path).encode("utf-8")
    signature = private_key.sign(
        message,
        padding.PSS(mgf=padding.MGF1(hashes.SHA256()),
                    salt_length=padding.PSS.DIGEST_LENGTH),
        hashes.SHA256()
    )
    return base64.b64encode(signature).decode("utf-8")

def get_headers(method, path):
    ts  = str(int(datetime.datetime.now().timestamp() * 1000))
    pk  = load_private_key(KEY_PATH)
    sig = sign_request(pk, ts, method, path)
    return {
        "KALSHI-ACCESS-KEY":       KEY_ID,
        "KALSHI-ACCESS-TIMESTAMP": ts,
        "KALSHI-ACCESS-SIGNATURE": sig,
        "Content-Type":            "application/json"
    }

def get_markets(series_ticker):
    path     = "/trade-api/v2/markets"
    params   = f"?status=open&limit=50&series_ticker={series_ticker}"
    headers  = get_headers("GET", path)
    r = requests.get(BASE_URL + path + params, headers=headers)
    if r.status_code == 200:
        return r.json().get("markets", [])
    return []

# 15-minute BTC series candidates
candidates = [
    "KXBTC15M", "KXBTC15", "KXBTCQ",
    "KXBTCUP", "KXBTCUPDOWN", "KXBTCUD",
    "KXBTCHL", "KXBTCHOUR", "KXBTC1H",
    "KXBTCFLASH", "KXBTC30M", "KXBTC5M",
]

results = {}
print("Checking short-term BTC series...")
for ticker in candidates:
    markets = get_markets(ticker)
    if markets:
        print(f"  FOUND: {ticker} — {len(markets)} markets")
        m = markets[0]
        results[ticker] = {
            "count": len(markets),
            "sample_ticker": m.get("ticker"),
            "sample_title": m.get("title"),
            "sample_ask": m.get("yes_ask_dollars"),
            "sample_bid": m.get("yes_bid_dollars"),
            "sample_volume": m.get("volume_24h_fp"),
            "expires": m.get("expected_expiration_time") or m.get("close_time")
        }
    else:
        print(f"  empty: {ticker}")

with open("C:\\kalshibot\\btc15min_results.json", "w") as f:
    json.dump(results, f, indent=2)

print(f"\nFound series: {list(results.keys())}")
print("Results saved to btc15min_results.json")