"""Tests for CLI commands."""

import os
import tempfile
from pathlib import Path
from unittest.mock import patch, MagicMock

import pytest
from click.testing import CliRunner

from project_scaffold_cli.cli import main, _validate_project_name, _to_kebab_case


class TestMain:
    """Test main CLI entry point."""

    def test_main_version(self):
        """Test --version flag."""
        runner = CliRunner()
        result = runner.invoke(main, ["--version"])
        assert result.exit_code == 0
        assert "1.0.0" in result.output

    def test_main_help(self):
        """Test --help flag."""
        runner = CliRunner()
        result = runner.invoke(main, ["--help"])
        assert result.exit_code == 0
        assert "create" in result.output


class TestCreateCommand:
    """Test create command."""

    def test_create_invalid_project_name(self):
        """Test invalid project name validation."""
        assert not _validate_project_name("Invalid Name")
        assert not _validate_project_name("123invalid")
        assert not _validate_project_name("")
        assert _validate_project_name("valid-name")
        assert _validate_project_name("my-project123")

    def test_to_kebab_case(self):
        """Test kebab case conversion."""
        assert _to_kebab_case("My Project") == "my-project"
        assert _to_kebab_case("HelloWorld") == "helloworld"
        assert _to_kebab_case("Test Project Name") == "test-project-name"
        assert _to_kebab_case("  spaces  ") == "spaces"


class TestInitConfig:
    """Test init-config command."""

    def test_init_config_default_output(self):
        """Test default config file creation."""
        runner = CliRunner()
        with tempfile.TemporaryDirectory() as tmpdir:
            original_dir = Path.cwd()
            try:
                os.chdir(tmpdir)
                result = runner.invoke(main, ["init-config"])
                assert result.exit_code == 0
                assert Path("project.yaml").exists()
            finally:
                os.chdir(original_dir)


class TestTemplateCommands:
    """Test template management commands."""

    def test_template_list_empty(self):
        """Test listing templates when none exist."""
        runner = CliRunner()
        result = runner.invoke(main, ["template", "list"])
        assert result.exit_code == 0