#!/usr/bin/env python3
import json
import re
import urllib.error
import urllib.request
import paramiko

PASS = "Bbt9115xty9176!"
CF = "https://api.cloudflare.com/client/v4"
ACCOUNT = "2599c23bbb1255dbb73e8d34b4115fda"
DOMAIN = "exposedgays.com"
TUNNEL_CNAME = "03079a26-f14c-4622-b463-ba54a24f7472.cfargotunnel.com"

TOKENS = [
    ("pfsense", None),
    ("apply_mail", "cfut_zlUt5lAKVsu7qIcRCHJnyhAvpJVF5jx24HlrIEn9a8fcd6a1"),
    ("local_old", "cfut_vF51avCWJV9EnCM4lXS2v60jXo6TPQZ0yxESHuRn5b0f3515"),
    ("local_full", "cfut_IOm1DJW4pDkPCuQA6UoOjqO6Tcv2zU10y2PSw82m379f7db3f7"),
    ("local_trunc", "cfut_IOm1DJW4pDkPCuQA6UoOjqO6Tcv2zU10y2PSw82m379f7db3"),
]

try:
    c = paramiko.SSHClient()
    c.set_missing_host_key_policy(paramiko.AutoAddPolicy())
    c.connect("10.10.0.1", username="admin", password=PASS, timeout=15)
    _, o, e = c.exec_command("cat /usr/local/etc/wan-dns-failover.env", timeout=30)
    o.channel.recv_exit_status()
    text = (o.read() + e.read()).decode()
    c.close()
    TOKENS[0] = ("pfsense", re.search(r"CLOUDFLARE_API_TOKEN=([^\s\"']+)", text).group(1))
except Exception as ex:
    print("pfsense err", ex)


def call(tok, path, method="GET", body=None):
    req = urllib.request.Request(
        CF + path,
        data=json.dumps(body).encode() if body else None,
        method=method,
        headers={"Authorization": f"Bearer {tok}", "Content-Type": "application/json"},
    )
    try:
        with urllib.request.urlopen(req, timeout=45) as r:
            return json.load(r)
    except urllib.error.HTTPError as e:
        return json.loads(e.read().decode())


def upsert_dns(tok, zid):
    records = call(tok, f"/zones/{zid}/dns_records?per_page=100").get("result", [])
    for name in [DOMAIN, f"www.{DOMAIN}"]:
        existing = next(
            (r for r in records if r["name"] == name and r["type"] in ("A", "CNAME", "AAAA")),
            None,
        )
        body = {"type": "CNAME", "name": name, "content": TUNNEL_CNAME, "ttl": 1, "proxied": True}
        if existing:
            res = call(tok, f"/zones/{zid}/dns_records/{existing['id']}", "PATCH", body)
            action = "PATCH"
        else:
            res = call(tok, f"/zones/{zid}/dns_records", "POST", body)
            action = "POST"
        print(f"  {action} {name}: success={res.get('success')} errors={res.get('errors')}")


def main():
    winner = None
    zone = None

    for label, tok in TOKENS:
        if not tok:
            continue
        v = call(tok, "/user/tokens/verify")
        print(f"\n[{label}] verify={v.get('success')} errors={v.get('errors')}")
        if not v.get("success"):
            continue

        z = call(tok, f"/zones?name={DOMAIN}")
        if z.get("result"):
            winner, zone, tok_label = tok, z["result"][0], label
            print(f"[{label}] FOUND existing zone {zone['id']} status={zone['status']}")
            break

        c = call(
            tok,
            "/zones",
            "POST",
            {"name": DOMAIN, "account": {"id": ACCOUNT}, "type": "full", "jump_start": False},
        )
        print(f"[{label}] create={c.get('success')} errors={c.get('errors')}")
        if c.get("success"):
            winner, zone, tok_label = tok, c["result"], label
            print(f"[{label}] CREATED zone NS={zone.get('name_servers')}")
            break

    if not zone:
        print("\nFAILED: no token could find or create zone")
        return

    print(f"\nUsing token [{tok_label}] zone {zone['id']} status={zone['status']}")
    print("Nameservers:")
    for ns in zone.get("name_servers", []):
        print(f"  {ns}")

    upsert_dns(winner, zone["id"])

    print("\nFinal records:")
    for r in call(winner, f"/zones/{zone['id']}/dns_records?per_page=100").get("result", []):
        if "exposedgays" in r["name"]:
            print(f"  {r['type']} {r['name']} -> {r['content']} proxied={r.get('proxied')}")


if __name__ == "__main__":
    main()