import pytest
from models import ChatCompletionRequest, Message

def test_chat_completion_request_parsing():
    req = ChatCompletionRequest(
        model="needle3",
        messages=[
            Message(role="user", content="hello")
        ],
        tools=[{"name": "test", "description": "desc", "parameters": {"type": "object"}}]
    )
    assert req.model == "needle3"
    assert len(req.messages) == 1
    assert req.messages[0].content == "hello"
    assert len(req.tools) == 1


def test_mcp_input_schema_and_openai_strict_shapes():
    from registry import normalize_tool
    schema={'type':'object','properties':{'path':{'type':'string'}},'required':['path']}
    mcp={'name':'read_file','description':'Read file','inputSchema':schema,'annotations':{'readOnlyHint':True}}
    openai={'type':'function','function':{'name':'read_file','description':'Read file','parameters':schema,'strict':True}}
    assert normalize_tool(mcp)==normalize_tool(openai)


def test_conflicting_mcp_and_native_schemas_are_rejected():
    import pytest
    from registry import normalize_tool
    with pytest.raises(ValueError,match='conflicting'):
        normalize_tool({'name':'read','description':'Read','parameters':{'type':'object'},'inputSchema':{'type':'string'}})