"""
Deleting a photo from the Photos app (harness/photo_delete_probe.py).

On a right-clicked tile and in the lightbox's bar, which is how a phone gets
at it. Offered on the rule Files applies and the node enforces: the node's
operator, or whoever uploaded the photo. Never without the page's own
confirmation, and never from Search, which is read-only.
"""

import json
import shutil
import subprocess
import sys
from pathlib import Path

import pytest

HARNESS = Path(__file__).parent / "harness" / "photo_delete_probe.py"


@pytest.fixture(scope="module")
def cases():
    if shutil.which("google-chrome") is None:
        pytest.skip("Chrome is not available")
    proc = subprocess.run([sys.executable, str(HARNESS)],
                          capture_output=True, text=True, timeout=180)
    assert proc.returncode == 0, f"probe failed: {proc.stdout}{proc.stderr}"
    out = json.loads(proc.stdout)
    assert "error" not in out, out["error"]
    assert out["logs"] == []
    return {c["case"]: c for c in out["cases"]}


def test_ones_own_photo_is_deleted_only_once_confirmed(cases):
    c = cases["tile"]
    assert "Delete" in c["labels"]
    assert c["asked"].startswith("Delete beach.jpg?")
    assert c["after_no"] == {"deleted": 0, "tiles": 3}
    assert c["deleted"] == [["p1", "sign-fn"]]
    assert c["tiles"] == 2


def test_somebody_elses_photo_offers_no_delete(cases):
    assert "Delete" not in cases["not mine"]["menu_without_delete"]


def test_the_operator_may_delete_any_photo(cases):
    assert cases["operator"]["delete_offered"] == [True, True, True]


def test_the_lightbox_deletes_and_shows_the_next_photo(cases):
    c = cases["lightbox"]
    assert c["button"] and c["dialog_on_top"]
    assert c["deleted"] == ["p1"]
    assert c["open"] and c["before"] == "beach.jpg" and c["after"] == "dunes.jpg"


def test_search_results_offer_no_delete(cases):
    c = cases["read only"]
    assert "Delete" not in c["labels"] and not c["lightbox_button"]