"""Tests for configuration handling."""

import tempfile
from pathlib import Path

import yaml

from project_scaffold_cli.config import Config


class TestConfig:
    """Test Config class."""

    def test_default_config(self):
        """Test default configuration."""
        config = Config()
        assert config.author is None
        assert config.email is None
        assert config.license is None
        assert config.description is None

    def test_config_from_yaml(self):
        """Test loading configuration from YAML file."""
        config_content = {
            "project": {
                "author": "Test Author",
                "email": "test@example.com",
                "license": "MIT",
                "description": "Test description",
            },
            "defaults": {
                "language": "python",
                "ci": "github",
            },
        }

        with tempfile.TemporaryDirectory() as tmpdir:
            config_file = Path(tmpdir) / "project.yaml"
            with open(config_file, "w") as f:
                yaml.dump(config_content, f)

            config = Config.load(str(config_file))

            assert config.author == "Test Author"
            assert config.email == "test@example.com"
            assert config.license == "MIT"
            assert config.description == "Test description"
            assert config.default_language == "python"
            assert config.default_ci == "github"

    def test_config_save(self):
        """Test saving configuration to file."""
        config = Config(
            author="Test Author",
            email="test@example.com",
            license="MIT",
            default_language="go",
        )

        with tempfile.TemporaryDirectory() as tmpdir:
            config_file = Path(tmpdir) / "config.yaml"
            config.save(config_file)

            assert config_file.exists()

            with open(config_file, "r") as f:
                saved_data = yaml.safe_load(f)

            assert saved_data["project"]["author"] == "Test Author"
            assert saved_data["defaults"]["language"] == "go"

    def test_get_template_dirs(self):
        """Test getting template directories."""
        config = Config()
        dirs = config.get_template_dirs()
        assert len(dirs) > 0
        assert any("project-scaffold" in d for d in dirs)

    def test_get_custom_templates_dir(self):
        """Test getting custom templates directory."""
        config = Config()
        custom_dir = config.get_custom_templates_dir()
        assert "project-scaffold" in custom_dir

    def test_get_template_vars(self):
        """Test getting template variables for language."""
        config = Config(
            template_vars={
                "python": {"version": "3.11"},
                "nodejs": {"version": "16"},
            }
        )

        python_vars = config.get_template_vars("python")
        assert python_vars.get("version") == "3.11"

        nodejs_vars = config.get_template_vars("nodejs")
        assert nodejs_vars.get("version") == "16"

        other_vars = config.get_template_vars("go")
        assert other_vars == {}