"""Issue C — inbox pseudo-project + cross-project (project="") entities."""

import pytest
from fastapi.testclient import TestClient

from atocore.engineering.service import (
    create_entity,
    get_entities,
    init_engineering_schema,
    promote_entity,
)
from atocore.main import app
from atocore.projects.registry import (
    GLOBAL_PROJECT,
    INBOX_PROJECT,
    is_reserved_project,
    register_project,
    resolve_project_name,
    update_project,
)


@pytest.fixture
def seeded_db(tmp_data_dir, tmp_path, monkeypatch):
    # Isolate the project registry so "p05" etc. don't canonicalize
    # to aliases inherited from the host registry.
    registry_path = tmp_path / "test-registry.json"
    registry_path.write_text('{"projects": []}', encoding="utf-8")
    monkeypatch.setenv("ATOCORE_PROJECT_REGISTRY_PATH", str(registry_path))
    from atocore import config
    config.settings = config.Settings()

    init_engineering_schema()
    # Audit table lives in the memory schema — bring it up so audit rows
    # don't spam warnings during retargeting tests.
    from atocore.models.database import init_db
    init_db()
    yield tmp_data_dir


def test_inbox_is_reserved():
    assert is_reserved_project("inbox") is True
    assert is_reserved_project("INBOX") is True
    assert is_reserved_project("p05-interferometer") is False
    assert is_reserved_project("") is False


def test_resolve_project_name_preserves_inbox():
    assert resolve_project_name("inbox") == "inbox"
    assert resolve_project_name("INBOX") == "inbox"
    assert resolve_project_name("") == ""


def test_cannot_register_inbox(tmp_path, monkeypatch):
    monkeypatch.setenv(
        "ATOCORE_PROJECT_REGISTRY_PATH",
        str(tmp_path / "registry.json"),
    )
    from atocore import config
    config.settings = config.Settings()

    with pytest.raises(ValueError, match="reserved"):
        register_project(
            project_id="inbox",
            ingest_roots=[{"source": "vault", "subpath": "incoming/inbox"}],
        )


def test_cannot_update_inbox(tmp_path, monkeypatch):
    monkeypatch.setenv(
        "ATOCORE_PROJECT_REGISTRY_PATH",
        str(tmp_path / "registry.json"),
    )
    from atocore import config
    config.settings = config.Settings()

    with pytest.raises(ValueError, match="reserved"):
        update_project(project_name="inbox", description="hijack attempt")


def test_create_entity_with_empty_project_is_global(seeded_db):
    e = create_entity(entity_type="material", name="Invar", project="")
    assert e.project == ""


def test_create_entity_in_inbox(seeded_db):
    e = create_entity(entity_type="vendor", name="Zygo", project="inbox")
    assert e.project == "inbox"


def test_get_entities_inbox_scope(seeded_db):
    create_entity(entity_type="vendor", name="Zygo", project="inbox")
    create_entity(entity_type="material", name="Invar", project="")
    create_entity(entity_type="component", name="Mirror", project="p05")

    inbox = get_entities(project=INBOX_PROJECT, scope_only=True)
    assert {e.name for e in inbox} == {"Zygo"}


def test_get_entities_global_scope(seeded_db):
    create_entity(entity_type="vendor", name="Zygo", project="inbox")
    create_entity(entity_type="material", name="Invar", project="")
    create_entity(entity_type="component", name="Mirror", project="p05")

    globals_ = get_entities(project=GLOBAL_PROJECT, scope_only=True)
    assert {e.name for e in globals_} == {"Invar"}


def test_real_project_includes_global_by_default(seeded_db):
    create_entity(entity_type="material", name="Invar", project="")
    create_entity(entity_type="component", name="Mirror", project="p05")
    create_entity(entity_type="component", name="Other", project="p06")

    p05 = get_entities(project="p05")
    names = {e.name for e in p05}
    assert "Mirror" in names
    assert "Invar" in names, "cross-project material should bleed in by default"
    assert "Other" not in names


def test_real_project_scope_only_excludes_global(seeded_db):
    create_entity(entity_type="material", name="Invar", project="")
    create_entity(entity_type="component", name="Mirror", project="p05")

    p05 = get_entities(project="p05", scope_only=True)
    assert {e.name for e in p05} == {"Mirror"}


def test_api_post_entity_with_null_project_stores_global(seeded_db):
    client = TestClient(app)
    r = client.post("/entities", json={
        "entity_type": "material",
        "name": "Titanium",
        "project": None,
    })
    assert r.status_code == 200

    globals_ = get_entities(project=GLOBAL_PROJECT, scope_only=True)
    assert any(e.name == "Titanium" for e in globals_)


def test_api_get_entities_scope_only(seeded_db):
    create_entity(entity_type="material", name="Invar", project="")
    create_entity(entity_type="component", name="Mirror", project="p05")

    client = TestClient(app)
    mixed = client.get("/entities?project=p05").json()
    scoped = client.get("/entities?project=p05&scope_only=true").json()

    assert mixed["count"] == 2
    assert scoped["count"] == 1


def test_promote_with_target_project_retargets(seeded_db):
    e = create_entity(
        entity_type="vendor",
        name="ZygoLead",
        project="inbox",
        status="candidate",
    )
    ok = promote_entity(e.id, target_project="p05")
    assert ok is True

    from atocore.engineering.service import get_entity
    promoted = get_entity(e.id)
    assert promoted.status == "active"
    assert promoted.project == "p05"


def test_promote_without_target_project_keeps_project(seeded_db):
    e = create_entity(
        entity_type="vendor",
        name="ZygoStay",
        project="inbox",
        status="candidate",
    )
    ok = promote_entity(e.id)
    assert ok is True

    from atocore.engineering.service import get_entity
    promoted = get_entity(e.id)
    assert promoted.status == "active"
    assert promoted.project == "inbox"


def test_api_promote_with_target_project(seeded_db):
    e = create_entity(
        entity_type="vendor",
        name="ZygoApi",
        project="inbox",
        status="candidate",
    )
    client = TestClient(app)
    r = client.post(
        f"/entities/{e.id}/promote",
        json={"target_project": "p05"},
    )
    assert r.status_code == 200
    body = r.json()
    assert body["status"] == "promoted"
    assert body["target_project"] == "p05"