"""Unit tests for CLI module."""

import os
import tempfile

from click.testing import CliRunner

from codesnap.__main__ import main


class TestCLI:
    """Tests for CLI commands."""

    def setup_method(self) -> None:
        self.runner = CliRunner()

    def test_main_help(self) -> None:
        result = self.runner.invoke(main, ["--help"])
        assert result.exit_code == 0
        assert "CodeSnap" in result.output

    def test_cli_version(self) -> None:
        result = self.runner.invoke(main, ["--version"])
        assert result.exit_code == 0
        assert "0.1.0" in result.output

    def test_cli_analyze_nonexistent_path(self) -> None:
        result = self.runner.invoke(main, ["analyze", "/nonexistent/path"])
        assert result.exit_code != 0

    def test_cli_analyze_current_directory(self) -> None:
        with tempfile.TemporaryDirectory() as tmpdir:
            with open(os.path.join(tmpdir, "test.py"), "w") as f:
                f.write("def test(): pass\n")
            result = self.runner.invoke(main, ["analyze", tmpdir])
            assert result.exit_code == 0

    def test_cli_analyze_with_output_format(self) -> None:
        with tempfile.TemporaryDirectory() as tmpdir:
            with open(os.path.join(tmpdir, "test.py"), "w") as f:
                f.write("def test(): pass\n")
            result = self.runner.invoke(main, ["analyze", tmpdir, "--format", "json"])
            assert result.exit_code == 0

    def test_cli_analyze_with_max_files(self) -> None:
        with tempfile.TemporaryDirectory() as tmpdir:
            with open(os.path.join(tmpdir, "test.py"), "w") as f:
                f.write("def test(): pass\n")
            result = self.runner.invoke(main, ["analyze", tmpdir, "--max-files", "10"])
            assert result.exit_code == 0

    def test_cli_languages(self) -> None:
        result = self.runner.invoke(main, ["languages"])
        assert result.exit_code == 0
        assert "python" in result.output.lower()

    def test_cli_info_languages(self) -> None:
        result = self.runner.invoke(main, ["info", "--languages"])
        assert result.exit_code == 0
        assert "python" in result.output.lower()