"""Unit tests for rubric service."""

import pytest

from writing_studio.services.rubric_service import RubricService


class TestRubricService:
    """Tests for RubricService."""

    @pytest.fixture
    def service(self):
        """Create rubric service instance."""
        return RubricService()

    def test_analyze_empty_text(self, service):
        """Test analysis of empty text."""
        results = service.analyze_text("")
        assert all(data["score"] == 0 for data in results.values())

    def test_analyze_valid_text(self, service):
        """Test analysis of valid text."""
        text = """This is a clear and concise text. It demonstrates good writing.

        Furthermore, it has proper organization. The sentences are well-structured.
        According to research, good writing includes evidence."""

        results = service.analyze_text(text)

        assert "Clarity" in results
        assert "Conciseness" in results
        assert results["Clarity"]["score"] > 0
        assert results["Clarity"]["max_score"] == 5

    def test_score_clarity(self, service):
        """Test clarity scoring."""
        # Short sentences - should get lower clarity
        text = "Short. Very short. Too short."
        score, _ = service._score_clarity(text)
        assert score <= 3

        # Good sentence length
        text = "This is a well-structured sentence with appropriate length and clarity."
        score, _ = service._score_clarity(text)
        assert score >= 3

    def test_score_conciseness(self, service):
        """Test conciseness scoring."""
        # Wordy text
        text = "In order to achieve the goal, due to the fact that we need results."
        score, _ = service._score_conciseness(text)
        assert score <= 3

    def test_format_feedback(self, service):
        """Test feedback formatting."""
        results = {
            "Clarity": {"score": 4, "max_score": 5, "feedback": "Good clarity"},
        }
        feedback = service.format_feedback(results)
        assert "Clarity: 4/5" in feedback
        assert "Good clarity" in feedback