"""Tests for CLI commands."""

from click.testing import CliRunner

from shellhist.cli import main


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

    def test_version(self):
        """Test version option."""
        runner = CliRunner()
        result = runner.invoke(main, ["--version"])
        
        assert result.exit_code == 0
        assert "shellhist" in result.output.lower()

    def test_help(self):
        """Test help option."""
        runner = CliRunner()
        result = runner.invoke(main, ["--help"])
        
        assert result.exit_code == 0
        assert "search" in result.output
        assert "patterns" in result.output

    def test_search_command_exists(self):
        """Test search subcommand exists."""
        runner = CliRunner()
        result = runner.invoke(main, ["search", "--help"])
        
        assert result.exit_code == 0

    def test_patterns_command_exists(self):
        """Test patterns subcommand exists."""
        runner = CliRunner()
        result = runner.invoke(main, ["patterns", "--help"])
        
        assert result.exit_code == 0

    def test_suggest_aliases_command_exists(self):
        """Test suggest-aliases subcommand exists."""
        runner = CliRunner()
        result = runner.invoke(main, ["suggest-aliases", "--help"])
        
        assert result.exit_code == 0

    def test_analyze_time_command_exists(self):
        """Test analyze-time subcommand exists."""
        runner = CliRunner()
        result = runner.invoke(main, ["analyze-time", "--help"])
        
        assert result.exit_code == 0

    def test_export_script_command_exists(self):
        """Test export-script subcommand exists."""
        runner = CliRunner()
        result = runner.invoke(main, ["export-script", "--help"])
        
        assert result.exit_code == 0

    def test_search_with_missing_history(self):
        """Test search with non-existent history file."""
        runner = CliRunner()
        result = runner.invoke(
            main,
            ["search", "test", "--history", "/nonexistent/file"]
        )
        
        assert result.exit_code != 0
        assert "not found" in result.output.lower() or "error" in result.output.lower()

    def test_patterns_with_missing_history(self):
        """Test patterns with non-existent history file."""
        runner = CliRunner()
        result = runner.invoke(
            main,
            ["patterns", "--history", "/nonexistent/file"]
        )
        
        assert result.exit_code != 0