"""Tests for data models."""

from repohealth.models.author import AuthorStats
from repohealth.models.file_stats import FileAnalysis
from repohealth.models.result import RepositoryResult


class TestFileAnalysis:
    """Tests for FileAnalysis model."""

    def test_file_analysis_creation(self):
        """Test creating a FileAnalysis instance."""
        analysis = FileAnalysis(
            path="src/main.py",
            total_commits=10,
            author_commits={"author1@example.com": 6, "author2@example.com": 4}
        )

        assert analysis.path == "src/main.py"
        assert analysis.total_commits == 10
        assert analysis.num_authors == 2
        assert analysis.bus_factor == 1.0

    def test_num_authors(self):
        """Test num_authors property."""
        analysis = FileAnalysis(
            path="test.py",
            total_commits=5,
            author_commits={"a@x.com": 3, "b@x.com": 2}
        )

        assert analysis.num_authors == 2

    def test_num_authors_empty(self):
        """Test num_authors with empty commits."""
        analysis = FileAnalysis(
            path="test.py",
            total_commits=0,
            author_commits={}
        )

        assert analysis.num_authors == 0

    def test_top_author(self):
        """Test top_author property."""
        analysis = FileAnalysis(
            path="test.py",
            total_commits=10,
            author_commits={"a@x.com": 7, "b@x.com": 3}
        )

        top_author, count = analysis.top_author
        assert top_author == "a@x.com"
        assert count == 7

    def test_top_author_empty(self):
        """Test top_author with empty commits."""
        analysis = FileAnalysis(
            path="test.py",
            total_commits=0,
            author_commits={}
        )

        assert analysis.top_author is None

    def test_top_author_share(self):
        """Test top_author_share property."""
        analysis = FileAnalysis(
            path="test.py",
            total_commits=10,
            author_commits={"a@x.com": 8, "b@x.com": 2}
        )

        assert analysis.top_author_share == 0.8

    def test_top_author_share_empty(self):
        """Test top_author_share with no commits."""
        analysis = FileAnalysis(
            path="test.py",
            total_commits=0,
            author_commits={}
        )

        assert analysis.top_author_share == 0.0

    def test_get_author_share(self):
        """Test get_author_share method."""
        analysis = FileAnalysis(
            path="test.py",
            total_commits=10,
            author_commits={"a@x.com": 5, "b@x.com": 5}
        )

        assert analysis.get_author_share("a@x.com") == 0.5
        assert analysis.get_author_share("b@x.com") == 0.50
        assert analysis.get_author_share("c@x.com") == 0.0

    def test_module_and_extension(self):
        """Test module and extension extraction."""
        analysis = FileAnalysis(
            path="src/core/main.py",
            total_commits=5,
            author_commits={},
            module="src/core",
            extension="py"
        )

        assert analysis.module == "src/core"
        assert analysis.extension == "py"


class TestAuthorStats:
    """Tests for AuthorStats model."""

    def test_author_stats_creation(self):
        """Test creating an AuthorStats instance."""
        stats = AuthorStats(
            name="Test Author",
            email="test@example.com",
            total_commits=100
        )

        assert stats.name == "Test Author"
        assert stats.email == "test@example.com"
        assert stats.total_commits == 100
        assert len(stats.files_touched) == 0

    def test_add_file(self):
        """Test adding a file contribution."""
        stats = AuthorStats(name="Test", email="test@test.com")
        stats.add_file("src/main.py", "src")

        assert "src/main.py" in stats.files_touched
        assert "src" in stats.modules_contributed
        assert stats.total_contributions == 1

    def test_merge(self):
        """Test merging two AuthorStats."""
        stats1 = AuthorStats(name="Test", email="test@test.com")
        stats1.total_commits = 10
        stats1.files_touched = {"file1.py"}

        stats2 = AuthorStats(name="Test", email="test@test.com")
        stats2.total_commits = 5
        stats2.files_touched = {"file2.py"}

        stats1.merge(stats2)

        assert stats1.total_commits == 15
        assert "file1.py" in stats1.files_touched
        assert "file2.py" in stats1.files_touched


class TestRepositoryResult:
    """Tests for RepositoryResult model."""

    def test_repository_result_creation(self):
        """Test creating a RepositoryResult instance."""
        result = RepositoryResult(
            repository_path="/test/repo",
            files_analyzed=100,
            total_commits=500,
            unique_authors=5
        )

        assert result.repository_path == "/test/repo"
        assert result.files_analyzed == 100
        assert result.total_commits == 500
        assert result.unique_authors == 5

    def test_risk_count_properties(self):
        """Test risk count properties."""
        result = RepositoryResult(
            repository_path="/test/repo",
            files=[
                {"risk_level": "critical"},
                {"risk_level": "critical"},
                {"risk_level": "high"},
                {"risk_level": "high"},
                {"risk_level": "medium"},
                {"risk_level": "low"}
            ]
        )

        assert result.high_risk_count == 2
        assert result.medium_risk_count == 1
        assert result.low_risk_count == 1

    def test_to_dict(self):
        """Test to_dict serialization."""
        result = RepositoryResult(
            repository_path="/test/repo",
            files_analyzed=10,
            total_commits=50,
            unique_authors=3
        )

        result_dict = result.to_dict()

        assert result_dict["repository"] == "/test/repo"
        assert result_dict["files_analyzed"] == 10
        assert "analyzed_at" in result_dict