"""Tests for confidence scoring."""

import pytest

from src.reporting.confidence import ConfidenceScorer
from src.core.models import Issue, IssueCategory, ScanResult, SeverityLevel


class TestConfidenceScorer:
    """Tests for ConfidenceScorer class."""

    def test_scorer_initialization(self):
        """Test scorer creates instance."""
        scorer = ConfidenceScorer()
        assert scorer is not None

    def test_calculate_perfect_score(self):
        """Test 100 score for no issues."""
        scorer = ConfidenceScorer()
        result = ScanResult(issues=[], files_scanned=5)
        score = scorer.calculate(result)
        assert score == 100

    def test_calculate_with_issues(self):
        """Test score calculation with issues."""
        scorer = ConfidenceScorer()
        issues = [
            Issue(
                category=IssueCategory.SECURITY,
                severity=SeverityLevel.HIGH,
                file_path="test.py",
                line_number=1,
                message="Test issue",
            )
        ]
        result = ScanResult(issues=issues, files_scanned=1)
        score = scorer.calculate(result)
        assert score < 100
        assert score >= 0

    def test_score_not_negative(self):
        """Test score doesn't go below 0."""
        scorer = ConfidenceScorer()
        issues = [
            Issue(
                category=IssueCategory.SECURITY,
                severity=SeverityLevel.CRITICAL,
                file_path="test.py",
                line_number=1,
                message="Test issue",
            )
            for _ in range(10)
        ]
        result = ScanResult(issues=issues, files_scanned=1)
        score = scorer.calculate(result)
        assert score >= 0