#!/usr/bin/env python3
"""tdarrctl — liten temporär CLI mot Tdarrs API (som npmctl fast för Tdarr).

Auth: x-api-key. Nyckeln läses från $TDARR_API_KEY, annars ur en .env-fil
(rad `apiKey=...`), t.ex. ~/tdarr-node/.env. Nyckeln skrivs aldrig ut.

Bas-URL: $TDARR_URL (standard http://192.168.0.19:8266).
"""
import argparse, json, os, sys, urllib.request, urllib.error, glob

URL = os.environ.get("TDARR_URL", "http://192.168.0.19:8266").rstrip("/")

def load_key():
    k = os.environ.get("TDARR_API_KEY")
    if k:
        return k.strip()
    for p in [os.path.expanduser("~/tdarr-node/.env"),
              os.path.expanduser("~/fileflows-node/.env")]:
        if os.path.exists(p):
            for line in open(p):
                line = line.strip()
                if line.startswith("apiKey="):
                    return line.split("=", 1)[1].strip()
    sys.exit("fel: ingen API-nyckel (sätt TDARR_API_KEY eller apiKey=... i ~/tdarr-node/.env)")

KEY = None

def req(method, path, body=None):
    url = path if path.startswith("http") else URL + path
    data = json.dumps(body).encode() if body is not None else None
    r = urllib.request.Request(url, data=data, method=method,
        headers={"x-api-key": KEY, "Content-Type": "application/json"})
    try:
        with urllib.request.urlopen(r, timeout=30) as resp:
            raw = resp.read().decode()
            code = resp.status
    except urllib.error.HTTPError as e:
        raw = e.read().decode(); code = e.code
    try:
        return code, json.loads(raw)
    except Exception:
        return code, raw

def cruddb(collection, mode, obj=None, docID=""):
    return req("POST", "/api/v2/cruddb",
               {"data": {"collection": collection, "mode": mode, "docID": docID, "obj": obj or {}}})

def pp(x):
    print(json.dumps(x, indent=2, ensure_ascii=False) if not isinstance(x, str) else x)

# ---- kommandon ----
def cmd_status(a):
    pp(req("GET", "/api/v2/status")[1])

def cmd_nodes(a):
    code, d = req("GET", "/api/v2/get-nodes")
    if not isinstance(d, dict):
        return pp(d)
    for k, n in d.items():
        wl = n.get("workerLimits") or {}
        print(f"{n.get('nodeName'):24} id={k}  paused={n.get('nodePaused')}  "
              f"cpu={wl.get('transcodecpu')} gpu={wl.get('transcodegpu')}")

def cmd_worker(a):
    # hitta nod-id via namn-delsträng
    _, d = req("GET", "/api/v2/get-nodes")
    nid = next((k for k, n in d.items() if a.node.lower() in (n.get("nodeName") or "").lower()), None)
    if not nid:
        sys.exit(f"ingen nod matchar '{a.node}'")
    for _ in range(a.count):
        code, r = req("POST", "/api/v2/alter-worker-limit",
                      {"data": {"nodeID": nid, "workerType": a.type, "process": a.direction}})
        print(code, r)

def cmd_cruddb(a):
    obj = None
    if a.obj:
        obj = json.load(open(a.obj)) if a.obj != "-" else json.load(sys.stdin)
    pp(cruddb(a.collection, a.mode, obj, a.docID)[1])

def cmd_api(a):
    body = None
    if a.data:
        body = json.load(open(a.data)) if a.data != "-" else json.load(sys.stdin)
    code, r = req(a.method.upper(), a.path, body)
    print("HTTP", code)
    pp(r)

def cmd_libraries(a):
    pp(cruddb("LibrarySettingsJSONDB", "getAll")[1])

def cmd_insert(a):
    # generisk insert/update i en collection från en JSON-fil
    obj = json.load(open(a.file)) if a.file != "-" else json.load(sys.stdin)
    pp(cruddb(a.collection, a.mode, obj, obj.get("_id", ""))[1])

def main():
    global KEY
    KEY = load_key()
    p = argparse.ArgumentParser(prog="tdarrctl", description="Temporär Tdarr-API-CLI")
    sub = p.add_subparsers(dest="cmd", required=True)

    sub.add_parser("status").set_defaults(f=cmd_status)
    sub.add_parser("nodes").set_defaults(f=cmd_nodes)

    w = sub.add_parser("worker", help="ändra worker-gräns")
    w.add_argument("node"); w.add_argument("type",
        choices=["transcodecpu", "transcodegpu", "healthcheckcpu", "healthcheckgpu"])
    w.add_argument("direction", choices=["increase", "decrease"])
    w.add_argument("count", nargs="?", type=int, default=1)
    w.set_defaults(f=cmd_worker)

    c = sub.add_parser("cruddb", help="generisk cruddb")
    c.add_argument("collection"); c.add_argument("mode")
    c.add_argument("--obj"); c.add_argument("--docID", default="")
    c.set_defaults(f=cmd_cruddb)

    ap = sub.add_parser("api", help="generisk HTTP")
    ap.add_argument("method"); ap.add_argument("path"); ap.add_argument("--data")
    ap.set_defaults(f=cmd_api)

    sub.add_parser("libraries").set_defaults(f=cmd_libraries)

    ins = sub.add_parser("insert", help="insert/update obj (JSON-fil) i collection")
    ins.add_argument("collection"); ins.add_argument("file")
    ins.add_argument("--mode", default="insert")
    ins.set_defaults(f=cmd_insert)

    a = p.parse_args()
    a.f(a)

if __name__ == "__main__":
    main()