#!/usr/bin/env python3
import argparse, os, sys, json, time
import requests

DBOPS_ROOT = os.environ.get("DBOPS_ROOT", "/data/adaptai/platform/dbops")
QDRANT_URL = os.environ.get("QDRANT_URL", "http://qdrant.dbops.local:17000")
SNAP_DIR = os.path.join(DBOPS_ROOT, "data", "qdrant", "snapshots")

def list_snapshots():
    # Local dir listing + API listing if available
    local = []
    try:
        for entry in os.scandir(SNAP_DIR):
            local.append(entry.name)
    except FileNotFoundError:
        pass
    api = []
    try:
        r = requests.get(f"{QDRANT_URL}/snapshots")
        if r.ok:
            api = [s.get("name") or s.get("path") for s in r.json().get("result", [])]
    except Exception:
        pass
    return {"local": local, "api": api}

def restore_snapshot(path: str):
    # path can be absolute local path; Qdrant must see it. Otherwise try API path.
    payload = {"path": path}
    r = requests.post(f"{QDRANT_URL}/recover", json=payload)
    if not r.ok:
        print(f"Restore failed: {r.status_code} {r.text}")
        sys.exit(1)
    print("Restore initiated", r.json())

def verify(collection: str, min_points: int):
    # Verify collection exists and meets minimum point count
    r = requests.get(f"{QDRANT_URL}/collections/{collection}")
    if not r.ok:
        print(f"Verify failed: collection {collection} not found")
        sys.exit(2)
    info = r.json().get("result", {})
    pts = info.get("points_count") or info.get("vectors_count") or 0
    if pts is None:
        pts = 0
    try:
        pts = int(pts)
    except Exception:
        pts = 0
    ok = pts >= min_points
    print(json.dumps({"collection": collection, "points": pts, "min_points": min_points, "ok": ok}))
    if not ok:
        sys.exit(3)

def main():
    ap = argparse.ArgumentParser(description="Qdrant snapshot helper")
    sub = ap.add_subparsers(dest="cmd")
    sub.add_parser("list")
    r = sub.add_parser("restore")
    r.add_argument("--path", required=True, help="Snapshot directory/path accessible to Qdrant")
    v = sub.add_parser("verify")
    v.add_argument("--collection", required=True)
    v.add_argument("--min-points", type=int, default=1)
    args = ap.parse_args()

    if args.cmd == "list":
        print(json.dumps(list_snapshots(), indent=2))
    elif args.cmd == "restore":
        restore_snapshot(args.path)
    elif args.cmd == "verify":
        verify(args.collection, args.min_points)
    else:
        ap.print_help(); sys.exit(1)

if __name__ == "__main__":
    main()