import pytest

from content_build.errors import BuildError
from content_build.model import Entry, entry_from_raw
from content_build.parse import RawEntry


def _raw(**over) -> RawEntry:
    data = {"id": "town.a", "type": "town", "status": "canon",
            "secrecy": 0, "related": []}
    data.update(over)
    return RawEntry(data=data, source="t:1")


def test_namespace_and_slug():
    e = entry_from_raw(_raw(id="npc.mera-fenn", type="person",
                            start_disposition="cold",
                            knows=[{"fact": "rumor.x", "gate": "warm"}]))
    assert e.namespace == "npc"
    assert e.slug == "mera-fenn"


def test_category_predicates():
    npc = entry_from_raw(_raw(id="npc.t", type="person",
                              start_disposition="cold",
                              knows=[{"fact": "rumor.x", "gate": "warm"}]))
    person = entry_from_raw(_raw(id="person.p", type="person"))
    rumor = entry_from_raw(_raw(id="rumor.x", type="rumor", secrecy=1))
    assert npc.is_npc_layer and not npc.is_canon_entity
    assert person.is_canon_entity and not person.is_npc_layer
    assert rumor.is_knowledge and not rumor.is_canon_entity


def test_knows_parsed_into_links():
    e = entry_from_raw(_raw(id="npc.t", type="person", start_disposition="cold",
                            knows=[{"fact": "rumor.x", "gate": "neutral"}]))
    assert e.knows[0].fact_id == "rumor.x"
    assert e.knows[0].gate == "neutral"


def test_missing_required_field_raises():
    bad = RawEntry(data={"id": "town.a", "type": "town"}, source="t:1")
    with pytest.raises(BuildError):
        entry_from_raw(bad)


def test_knows_missing_gate_raises():
    with pytest.raises(BuildError):
        entry_from_raw(_raw(id="npc.t", type="person", start_disposition="cold",
                            knows=[{"fact": "rumor.x"}]))