from app.services.research_context_tools import plan_research_context_tools


def test_lazy_context_skips_tools_for_casual_turn():
    plan = plan_research_context_tools(
        agent_id="chat",
        query="can we think aloud for a minute?",
        selection_text="",
        knowledge_mode="net_support",
    )

    assert not plan.use_project_context
    assert not plan.use_memory_context
    assert not plan.use_web_search


def test_greeting_uses_only_tiny_profile_name_memory():
    plan = plan_research_context_tools(
        agent_id="chat",
        query="hi",
        selection_text="",
        knowledge_mode="net_support",
    )

    assert plan.use_memory_context
    assert plan.memory_mode == "profile"
    assert plan.memory_query == "preferred name"
    assert not plan.use_project_context
    assert not plan.use_web_search


def test_lazy_context_fetches_project_context_for_paper_questions():
    plan = plan_research_context_tools(
        agent_id="pair_buddy",
        query="What papers are uploaded in this project?",
        selection_text="",
        knowledge_mode="net_support",
    )

    assert plan.use_project_context
    assert not plan.use_web_search


def test_lazy_context_fetches_memory_for_profile_questions():
    plan = plan_research_context_tools(
        agent_id="chat",
        query="What do you remember about my learning style?",
        selection_text="",
        knowledge_mode="net_support",
    )

    assert plan.use_memory_context
    assert plan.memory_mode == "profile"
    assert not plan.use_project_context


def test_vague_last_time_memory_request_asks_for_time_anchor_first():
    plan = plan_research_context_tools(
        agent_id="chat",
        query="what did I study last time?",
        selection_text="",
        knowledge_mode="net_support",
    )

    assert plan.needs_memory_clarification
    assert not plan.use_memory_context
    assert "date" in plan.clarification_prompt.lower()


def test_lazy_context_fetches_web_for_current_external_questions():
    plan = plan_research_context_tools(
        agent_id="pair_buddy",
        query="What is the latest DeepSeek model?",
        selection_text="",
        knowledge_mode="net_support",
    )

    assert plan.use_web_search
    assert not plan.use_project_context


def test_content_only_uses_project_context_instead_of_web():
    plan = plan_research_context_tools(
        agent_id="chat",
        query="Explain attention heads",
        selection_text="",
        knowledge_mode="content_only",
    )

    assert plan.use_project_context
    assert not plan.use_web_search