from __future__ import annotations

from agent.core.presets import AGENT_PRESETS

from script_build_host.agents.presets import register_script_presets
from script_build_host.domain.phase_protocol import allowed_child_kinds
from script_build_host.domain.task_capabilities import task_capabilities, task_capability
from script_build_host.domain.task_contracts import ScriptTaskKind


def test_capability_catalog_closes_worker_tool_schema_and_topology_contracts() -> None:
    register_script_presets()
    capabilities = task_capabilities()
    assert {item.task_kind for item in capabilities} == {
        kind
        for kind in ScriptTaskKind
        if kind
        not in {
            ScriptTaskKind.PATTERN_RETRIEVAL,
            ScriptTaskKind.DECODE_RETRIEVAL,
            ScriptTaskKind.EXTERNAL_RETRIEVAL,
            ScriptTaskKind.KNOWLEDGE_RETRIEVAL,
        }
    }
    for capability in capabilities:
        preset = AGENT_PRESETS[capability.worker_preset]
        assert set(preset.allowed_tools) == set(capability.allowed_tools)
        assert capability.output_schema() in capability.output_schemas
        assert allowed_child_kinds(
            phase=capability.phase,
            parent_kind=capability.task_kind,
        ) == capability.child_kinds


def test_phase_root_topology_is_machine_readable_and_fail_closed() -> None:
    assert allowed_child_kinds(phase=1, parent_kind=None) == frozenset(
        {ScriptTaskKind.DIRECTION}
    )
    assert allowed_child_kinds(phase=2, parent_kind=None) == frozenset(
        {ScriptTaskKind.CANDIDATE_PORTFOLIO}
    )
    assert allowed_child_kinds(phase=3, parent_kind=None) == frozenset(
        {ScriptTaskKind.ROOT_DELIVERY}
    )
    assert not allowed_child_kinds(phase=99, parent_kind=None)
    assert not allowed_child_kinds(
        phase=1, parent_kind=ScriptTaskKind.PATTERN_RETRIEVAL
    )


def test_catalog_keeps_element_write_ownership_narrow() -> None:
    capability = task_capability(ScriptTaskKind.ELEMENT_SET)
    assert capability.write_scope == ("script-build://writes/elements",)
    assert "save_script_paragraphs" not in capability.allowed_tools