"""Read API (CANP-WP-0006 T03)."""

from __future__ import annotations

from fastapi.testclient import TestClient


def test_search_returns_stored_packages(seeded: TestClient) -> None:
    body = seeded.get("/packages").json()
    assert body["count"] == 2
    assert {p["id"] for p in body["packages"]} == {
        "practice/house-style",
        "practice/pqrst-estimate",
    }


def test_search_matches_summary_and_tags(seeded: TestClient) -> None:
    assert seeded.get("/packages", params={"q": "pqrst"}).json()["count"] == 1
    assert seeded.get("/packages", params={"q": "fragment"}).json()["count"] == 1
    assert seeded.get("/packages", params={"q": "nothing-matches"}).json()["count"] == 0


def test_versions_of_a_bare_id(seeded: TestClient) -> None:
    body = seeded.get("/packages/practice/pqrst-estimate").json()
    assert body["id"] == "practice/pqrst-estimate"
    assert [v["version"] for v in body["versions"]] == ["1.0.0"]


def test_manifest_by_qualified_reference(seeded: TestClient) -> None:
    """The API speaks the format's own <registry>:<id>@<version> syntax."""
    body = seeded.get("/packages/local:practice/pqrst-estimate@1.0.0").json()
    assert body["reference"] == "local:practice/pqrst-estimate@1.0.0"
    assert "PQRST" in body["manifest"]
    assert body["content_digest"].startswith("sha256:")


def test_unknown_package_is_404(seeded: TestClient) -> None:
    assert seeded.get("/packages/nope/missing").status_code == 404


def test_unknown_version_is_404(seeded: TestClient) -> None:
    assert seeded.get("/packages/practice/house-style@9.9.9").status_code == 404


def test_ambiguous_bare_id_is_409_not_a_guess(two_registries: TestClient) -> None:
    """§ 3.2: report the candidates, never choose for the caller."""
    response = two_registries.get("/packages/practice/house-style")
    assert response.status_code == 409
    detail = response.json()["detail"]
    assert "more than one registry" in detail
    assert "house:practice/house-style" in detail
    assert "local:practice/house-style" in detail


def test_qualifying_resolves_the_ambiguity(two_registries: TestClient) -> None:
    body = two_registries.get("/packages/house:practice/house-style").json()
    assert body["registry"] == "house"


def test_archive_returns_the_packaged_files(seeded: TestClient) -> None:
    body = seeded.get("/archives/practice/pqrst-estimate@1.0.0").json()
    assert set(body["files"]) == {
        "LICENSE",
        "README.md",
        "evals/canonical-fidelity.yaml",
        "examples/basic.yaml",
        "examples/with-rationale.yaml",
        "prompt.md",
        "prompt.yaml",
    }
    assert "PQRST-Estimate" in body["files"]["prompt.md"]["text"]


def test_archive_excludes_non_package_files(seeded: TestClient) -> None:
    """§ 2: only reserved paths and manifest-referenced files are stored."""
    files = seeded.get("/archives/practice/pqrst-estimate@1.0.0").json()["files"]
    assert not any(path.startswith(".") for path in files)


def test_index_records_arrival(seeded: TestClient) -> None:
    body = seeded.get("/index").json()
    assert body["count"] == 2
    entry = next(e for e in body["entries"] if e["id"] == "practice/pqrst-estimate")
    assert entry["method"] == "publish"
    assert entry["source"] == "examples/pqrst-estimate"
    assert entry["declared_source"] == "~/pqrst-practice/PqrstPrompt.md"
    assert entry["included_at"] is not None