"""Rychlý test SeaweedFS Filer (port 8888) — PUT / HEAD / GET / DELETE."""
import hashlib
import urllib.error
import urllib.request

FILER   = "http://192.168.1.50:8888"
PAYLOAD = b"SeaweedFS VTMF test " + b"x" * 1000
SHA256  = hashlib.sha256(PAYLOAD).hexdigest()
PATH    = f"/vtmf-documents/_test/{SHA256[:8]}"
URL     = FILER + PATH


def req(method, data=None):
    r = urllib.request.Request(URL, method=method, data=data,
                               headers={"Content-Type": "text/plain"} if data else {})
    try:
        with urllib.request.urlopen(r, timeout=10) as resp:
            return resp.status, resp.read()
    except urllib.error.HTTPError as e:
        return e.code, b""


print(f"Filer: {FILER}")
print(f"Path:  {PATH}\n")

status, _ = req("PUT", PAYLOAD)
assert status in (200, 201), f"PUT selhal: {status}"
print(f"[ok] PUT  → {status}")

status, _ = req("HEAD")
assert status == 200, f"HEAD selhal: {status}"
print(f"[ok] HEAD → {status}")

status, body = req("GET")
assert status == 200 and body == PAYLOAD, f"GET selhal: {status}, délka={len(body)}"
print(f"[ok] GET  → {status}, {len(body)} B")

status, _ = req("DELETE")
assert status in (200, 204), f"DELETE selhal: {status}"
print(f"[ok] DELETE → {status}")

status, _ = req("HEAD")
assert status == 404, f"Po DELETE HEAD vrátil {status}, čekal 404"
print(f"[ok] HEAD po DELETE → 404 (soubor odstraněn)\n")

print("SeaweedFS Filer OK.")