import pytest

from review_agent.file_summary.workflow_trigger import evaluate_file_summary_trigger
from review_agent.models import Conversation, FileAttachment


pytestmark = pytest.mark.django_db


def test_trigger_matches_keywords_only_when_active_attachment_exists(django_user_model):
    user = django_user_model.objects.create_user(username="owner", password="pass")
    conversation = Conversation.objects.create(user=user, title="会话")

    no_file = evaluate_file_summary_trigger(conversation, "请自动汇总文件目录与页数")
    assert no_file.should_start is False
    assert no_file.reason == "missing_attachment"

    FileAttachment.objects.create(
        conversation=conversation,
        user=user,
        original_name="a.docx",
        storage_path="x/a.docx",
        file_size=1,
    )

    matched = evaluate_file_summary_trigger(conversation, "请自动汇总文件目录与页数")
    assert matched.should_start is True
    assert matched.workflow_type == "file_summary"

    normal = evaluate_file_summary_trigger(conversation, "你好，帮我解释法规")
    assert normal.should_start is False
    assert normal.reason == "not_matched"