from app.services.steward_intent_agent import (
    STEWARD_INTENT_FUNCTION_NAME,
    StewardIntentAgent,
)
from app.schemas.steward import StewardPlanRequest


class _NoToolCallRuntimeChatService:
    def __init__(self) -> None:
        self.kwargs = {}

    def complete_with_tool_call(self, messages, **kwargs):
        self.kwargs = kwargs

        class _Result:
            tool_call = None

            @staticmethod
            def calls_as_dicts():
                return []

        return _Result()


def test_steward_intent_tool_schema_supports_pending_flow_confirmation() -> None:
    schema = StewardIntentAgent._build_intent_tool_schema(
        ["expense_type", "time_range", "location", "reason", "transport_mode"]
    )

    function_schema = schema["function"]
    assert function_schema["name"] == STEWARD_INTENT_FUNCTION_NAME
    properties = function_schema["parameters"]["properties"]
    task_schema = properties["tasks"]["items"]
    pending_schema = properties["pending_flow_confirmation"]
    candidate_schema = pending_schema["properties"]["candidate_flows"]["items"]

    assert task_schema["properties"]["requested_action"]["enum"] == [
        "preview",
        "save_draft",
        "submit",
    ]
    assert "requested_action" in task_schema["required"]
    assert "pending_flow_confirmation" in properties
    assert pending_schema["properties"]["status"]["enum"] == ["none", "pending"]
    assert candidate_schema["properties"]["flow_id"]["enum"] == [
        "travel_application",
        "travel_reimbursement",
    ]
    assert candidate_schema["properties"]["missing_fields"]["items"]["enum"] == [
        "expense_type",
        "time_range",
        "location",
        "reason",
        "transport_mode",
    ]


def test_steward_intent_agent_uses_ten_second_timeout_and_three_attempts() -> None:
    runtime_chat = _NoToolCallRuntimeChatService()
    agent = StewardIntentAgent(runtime_chat)

    agent.detect(
        StewardPlanRequest(message="2026-02-20 至 2026-02-23，上海出差，火车，保存草稿。"),
        base_date=__import__("datetime").date(2026, 6, 24),
        canonical_fields=["expense_type", "time_range", "location", "reason", "transport_mode"],
    )

    assert runtime_chat.kwargs["timeout_seconds"] == 10
    assert runtime_chat.kwargs["max_attempts"] == 3
    assert runtime_chat.kwargs["use_failure_cooldown"] is False