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#
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"""Unit tests for templated PERMISSION_INSTRUCTIONS_LINK rendering."""

from unittest.mock import MagicMock, patch

from superset.security.manager import (
    _render_permission_instructions_link,
    SupersetSecurityManager,
)
from superset.sql.parse import Table

MANAGER = "superset.security.manager"


def _render(
    template: str | None,
    *,
    username: str = "alice",
    anonymous: bool = False,
    **kwargs: str,
) -> str | None:
    with (
        patch(
            f"{MANAGER}.get_conf",
            return_value={"PERMISSION_INSTRUCTIONS_LINK": template},
        ),
        patch(f"{MANAGER}.g") as g_mock,
    ):
        g_mock.user.is_anonymous = anonymous
        g_mock.user.username = username
        return _render_permission_instructions_link(**kwargs)


def test_empty_or_unset_link_returns_none() -> None:
    assert _render("") is None
    assert _render(None) is None


def test_plain_link_without_placeholders_is_unchanged() -> None:
    assert _render("https://wiki.example.com/data-access") == (
        "https://wiki.example.com/data-access"
    )


def test_datasource_placeholders_are_filled_and_url_encoded() -> None:
    out = _render(
        "https://acme.example.com/req?id={datasource_id}"
        "&name={datasource_name}&u={username}",
        datasource_id="12",
        datasource_name="Quarterly Sales",
    )
    # space in the dataset name is URL-encoded; username injected from g.user
    assert out == ("https://acme.example.com/req?id=12&name=Quarterly%20Sales&u=alice")


def test_table_names_filled_and_encoded() -> None:
    out = _render(
        "https://acme.example.com/req?tables={table_names}",
        table_names="public.sales,public.users",
    )
    assert out == ("https://acme.example.com/req?tables=public.sales%2Cpublic.users")


def test_anonymous_user_renders_empty_username() -> None:
    out = _render(
        "https://acme.example.com/req?u={username}",
        anonymous=True,
    )
    assert out == "https://acme.example.com/req?u="


def test_unsupplied_placeholders_render_empty() -> None:
    # datasource link doesn't supply table_names; that token renders as
    # an empty value (matching the helper's documented behavior)
    out = _render(
        "https://acme.example.com/req?id={datasource_id}&t={table_names}",
        datasource_id="9",
    )
    assert out == "https://acme.example.com/req?id=9&t="


def test_get_datasource_access_link_pulls_from_datasource_data() -> None:
    ds = MagicMock()
    ds.data = {"id": 12, "name": "Quarterly Sales"}
    with (
        patch(
            f"{MANAGER}.get_conf",
            return_value={
                "PERMISSION_INSTRUCTIONS_LINK": (
                    "https://acme.example.com/req?id={datasource_id}"
                    "&name={datasource_name}"
                )
            },
        ),
        patch(f"{MANAGER}.g") as g_mock,
    ):
        g_mock.user.is_anonymous = False
        g_mock.user.username = "alice"
        out = SupersetSecurityManager.get_datasource_access_link(ds)
    assert out == "https://acme.example.com/req?id=12&name=Quarterly%20Sales"


def test_get_table_access_link_joins_table_names() -> None:
    sm = SupersetSecurityManager.__new__(SupersetSecurityManager)
    with (
        patch(
            f"{MANAGER}.get_conf",
            return_value={
                "PERMISSION_INSTRUCTIONS_LINK": (
                    "https://acme.example.com/req?tables={table_names}"
                )
            },
        ),
        patch(f"{MANAGER}.g") as g_mock,
    ):
        g_mock.user.is_anonymous = False
        g_mock.user.username = "alice"
        out = sm.get_table_access_link(
            {Table("sales", "public"), Table("users", "public")}
        )
    assert out is not None
    assert out.startswith("https://acme.example.com/req?tables=")
    assert "public.sales" in out
    assert "public.users" in out


def test_datasource_error_object_includes_sorted_owner_names() -> None:
    ds = MagicMock()
    ds.data = {"id": 12, "name": "Quarterly Sales"}
    owner_b, owner_a = MagicMock(), MagicMock()
    owner_b.__str__.return_value = "Zoe Chen"  # type: ignore[attr-defined]
    owner_a.__str__.return_value = "Amir Patel"  # type: ignore[attr-defined]
    ds.owners = [owner_b, owner_a]
    sm = SupersetSecurityManager.__new__(SupersetSecurityManager)
    with (
        patch(f"{MANAGER}.get_conf", return_value={"PERMISSION_INSTRUCTIONS_LINK": ""}),
        patch(f"{MANAGER}.g") as g_mock,
    ):
        g_mock.user.is_anonymous = False
        g_mock.user.username = "alice"
        error = sm.get_datasource_access_error_object(ds)
    assert error.extra is not None
    assert error.extra["owners"] == ["Amir Patel", "Zoe Chen"]


def test_table_access_link_is_single_encoded_and_sorted() -> None:
    """Table.__str__ URL-encodes parts; the link must not encode twice, and
    set iteration must not leak nondeterministic ordering into the URL."""
    sm = SupersetSecurityManager.__new__(SupersetSecurityManager)
    with (
        patch(
            f"{MANAGER}.get_conf",
            return_value={
                "PERMISSION_INSTRUCTIONS_LINK": (
                    "https://acme.example.com/req?tables={table_names}"
                )
            },
        ),
        patch(f"{MANAGER}.g") as g_mock,
    ):
        g_mock.user.is_anonymous = False
        g_mock.user.username = "alice"
        out = sm.get_table_access_link({Table("my table", "public")})
    # single-encoded space (%20), not double-encoded (%2520)
    assert out == "https://acme.example.com/req?tables=public.my%20table"