"""Tests for turnstone.core.tools — JSON auto-loading and schema validation."""

from turnstone.core.tools import (
    _META,
    PRIMARY_KEY_MAP,
    TASK_AGENT_TOOLS,
    TASK_AUTO_TOOLS,
    TOOLS,
)


class TestToolsSchema:
    def test_all_tools_have_function_type(self):
        for tool in TOOLS:
            assert tool["type"] == "function", f"Tool missing type='function': {tool}"

    def test_all_tools_have_name(self):
        for tool in TOOLS:
            assert "name" in tool["function"], f"Tool missing name: {tool}"
            assert isinstance(tool["function"]["name"], str)

    def test_all_tools_have_description(self):
        for tool in TOOLS:
            assert "description" in tool["function"], f"Tool missing description: {tool}"
            assert len(tool["function"]["description"]) > 0

    def test_all_tools_have_parameters(self):
        for tool in TOOLS:
            params = tool["function"]["parameters"]
            assert params["type"] == "object"
            assert "properties" in params

    def test_required_fields_exist_in_properties(self):
        for tool in TOOLS:
            func = tool["function"]
            params = func["parameters"]
            required = params.get("required", [])
            properties = params["properties"]
            for field in required:
                assert field in properties, (
                    f"Tool '{func['name']}': required field '{field}' not in properties"
                )

    def test_tool_names_unique(self):
        names = [t["function"]["name"] for t in TOOLS]
        assert len(names) == len(set(names)), f"Duplicate tool names: {names}"

    def test_task_agent_tools_subset(self):
        tool_names = {t["function"]["name"] for t in TOOLS}
        task_names = {t["function"]["name"] for t in TASK_AGENT_TOOLS}
        assert task_names.issubset(tool_names), (
            f"TASK_AGENT_TOOLS has names not in TOOLS: {task_names - tool_names}"
        )

    def test_task_agent_tools_not_empty(self):
        assert len(TASK_AGENT_TOOLS) > 0


class TestToolsMetadata:
    """Validate the metadata extracted from JSON files."""

    def test_tool_count(self):
        # 31 tool files total: 12 coordinator-only + the rest interactive,
        # with memory/skills/notify/read_resource/use_prompt dual-kind.
        assert len(TOOLS) == 31

    def test_task_agent_tools_count(self):
        assert len(TASK_AGENT_TOOLS) == 13

    def test_coordinator_tools_count(self):
        from turnstone.core.tools import COORDINATOR_TOOLS

        assert len(COORDINATOR_TOOLS) == 17
        assert {t["function"]["name"] for t in COORDINATOR_TOOLS} == {
            "spawn_workstream",
            "spawn_batch",
            "close_all_children",
            "inspect_workstream",
            "send_to_workstream",
            "close_workstream",
            "cancel_workstream",
            "delete_workstream",
            "list_workstreams",
            "list_nodes",
            "tasks",
            "wait_for_workstream",
            # ``memory`` is dual-kind (coordinator + interactive) so
            # coords can persist orchestration context for their children
            # via the new ``coordinator`` scope.
            "memory",
            # ``skills`` is dual-kind (replaces legacy ``skill`` +
            # ``list_skills``).  Read actions (find, get) auto-approve;
            # write actions require operator approval + the
            # ``model.skills.write`` permission.  ``load`` errors on
            # coord sessions — coords delegate skill assignment via
            # ``spawn_workstream(skill=...)``.
            "skills",
            # ``notify`` is dual-kind so coordinators can post status
            # updates at narrative beats (fan-out complete, batch
            # failed, phase done) without spawning a child purely to
            # ship a message.  Routing logic is session-kind-agnostic.
            "notify",
            # ``read_resource``/``use_prompt`` are dual-kind (#725):
            # coordinators get the full MCP surface — tools, resources,
            # prompts — persona-gated like every session.  The catalog
            # blocks in the system prompt and the name-keyed dispatch
            # light up together with these schemas; both tools keep
            # auto_approve:false, so coordinator calls prompt like any
            # other MCP-backed action.
            "read_resource",
            "use_prompt",
        }

    def test_auto_approve_sets_match(self):
        expected = {
            "read_file",
            "search",
            "diff_file",
            "web_fetch",
            "web_search",
            "notify",
            # Background-shell follow-ups: ``bash_output`` is read-only;
            # ``kill_shell`` only signals process groups the session itself
            # spawned via an approved bash call — strictly risk-reducing,
            # so gating cleanup behind approval adds friction, not safety.
            "bash_output",
            "kill_shell",
            # Coordinator read-only tools (no-mutation, safe to auto-approve):
            "inspect_workstream",
            "list_workstreams",
            "list_nodes",
            "wait_for_workstream",
        }
        assert expected == TASK_AUTO_TOOLS

    def test_primary_key_map(self):
        expected = {
            "bash": "command",
            "read_file": "path",
            "search": "query",
            "write_file": "content",
            "edit_file": "old_string",
            "web_fetch": "url",
            "web_search": "query",
            "open_preview": "target",
            "task_agent": "prompt",
            "bash_output": "id",
            "kill_shell": "id",
            "memory": "name",
            "recall": "query",
            "notify": "message",
            "watch": "command",
            "read_resource": "uri",
            "use_prompt": "name",
            "skills": "action",
            "diff_file": "path_a",
            # Coordinator tools:
            "spawn_workstream": "initial_message",
            "spawn_batch": "children",
            "close_all_children": "reason",
            "inspect_workstream": "ws_id",
            "send_to_workstream": "message",
            "close_workstream": "ws_id",
            "cancel_workstream": "ws_id",
            "delete_workstream": "ws_id",
            "tasks": "action",
        }
        assert expected == PRIMARY_KEY_MAP

    def test_no_metadata_in_function_dicts(self):
        """Ensure turnstone metadata keys are stripped from the OpenAI schema."""
        meta_keys = {"task_agent", "coordinator", "auto_approve", "primary_key"}
        for tool in TOOLS:
            func = tool["function"]
            leaked = meta_keys & set(func)
            assert not leaked, f"Tool '{func['name']}' leaks metadata into function dict: {leaked}"

    def test_meta_has_all_tools(self):
        tool_names = {t["function"]["name"] for t in TOOLS}
        assert set(_META.keys()) == tool_names