"""Integration tests for CLI commands."""

import json
import tempfile
from pathlib import Path
from unittest.mock import patch

import pytest
from click.testing import CliRunner

from vibeguard.cli.main import main
from vibeguard.utils.config import Config


def get_runner_with_config(config: Config | None = None):
    """Create a CLI runner with custom config."""
    runner = CliRunner()
    return runner


class TestAnalyzeCommand:
    """Tests for analyze command."""

    def test_analyze_no_files(self, tmp_path):
        """Test analyze with no files to scan."""
        runner = CliRunner()
        result = runner.invoke(main, ["analyze", str(tmp_path)])

        assert result.exit_code == 0
        assert "No files found" in result.output

    def test_analyze_single_file(self, tmp_path):
        """Test analyzing a single Python file."""
        test_file = tmp_path / "test.py"
        test_file.write_text('print("hello")')

        runner = CliRunner()
        result = runner.invoke(main, ["analyze", str(tmp_path)])

        assert result.exit_code == 0
        assert "Found" in result.output

    def test_analyze_with_json_output(self, tmp_path):
        """Test analyze with JSON output."""
        test_file = tmp_path / "test.py"
        test_file.write_text('print("hello")')

        output_file = tmp_path / "output.json"

        runner = CliRunner()
        result = runner.invoke(main, ["analyze", str(tmp_path), "--json"])

        assert result.exit_code == 0

    def test_analyze_with_severity_filter(self, tmp_path):
        """Test analyze with severity filter."""
        test_file = tmp_path / "test.py"
        test_file.write_text('print("hello")')

        runner = CliRunner()
        result = runner.invoke(main, ["analyze", str(tmp_path), "--severity", "critical"])

        assert result.exit_code == 0

    def test_analyze_exit_zero(self, tmp_path):
        """Test analyze with --exit-zero flag."""
        test_file = tmp_path / "test.py"
        test_file.write_text('print("hello")')

        runner = CliRunner()
        result = runner.invoke(main, ["analyze", str(tmp_path), "--exit-zero"])

        assert result.exit_code == 0

    def test_analyze_verbose(self, tmp_path):
        """Test analyze with verbose flag."""
        test_file = tmp_path / "test.py"
        test_file.write_text('print("hello")')

        runner = CliRunner()
        result = runner.invoke(main, ["--verbose", "analyze", str(tmp_path)])

        assert result.exit_code == 0
        assert "VibeGuard" in result.output

    def test_analyze_file_with_anti_patterns(self, tmp_path):
        """Test analyzing a file with anti-patterns."""
        test_file = tmp_path / "test.py"
        test_file.write_text('''
MAGIC_VALUE = "this is a very long magic string that should be detected as anti-pattern"
MAX_RETRIES = 12345

def process():
    pass

try:
    x = 1
except:
    pass
''')

        runner = CliRunner()
        result = runner.invoke(main, ["analyze", str(tmp_path)])

        assert result.exit_code == 1
        assert "Issues found" in result.output

    def test_analyze_html_output(self, tmp_path):
        """Test analyze with HTML output."""
        test_file = tmp_path / "test.py"
        test_file.write_text('print("hello")')

        output_file = tmp_path / "report.html"

        runner = CliRunner()
        result = runner.invoke(main, ["analyze", str(tmp_path), "--html", str(output_file)])

        assert result.exit_code == 0
        assert output_file.exists()


class TestInitCommand:
    """Tests for init command."""

    def test_init_creates_config(self, tmp_path):
        """Test init creates config file."""
        runner = CliRunner()
        result = runner.invoke(main, ["init", "--path", str(tmp_path)])

        assert result.exit_code == 0
        assert (tmp_path / ".vibeguard.toml").exists()

    def test_init_overwrite_existing(self, tmp_path):
        """Test init doesn't overwrite existing config."""
        config_file = tmp_path / ".vibeguard.toml"
        config_file.write_text("# existing config")

        runner = CliRunner()
        result = runner.invoke(main, ["init", "--path", str(tmp_path)])

        assert result.exit_code == 0
        assert "already exists" in result.output


class TestReportCommand:
    """Tests for report command."""

    def test_report_from_json(self, tmp_path):
        """Test generating report from JSON file."""
        input_file = tmp_path / "input.json"
        issues = [
            {
                "pattern": "TEST001",
                "severity": "warning",
                "file": "test.py",
                "line": 1,
                "message": "Test issue",
                "suggestion": "Test suggestion",
            }
        ]
        input_file.write_text(json.dumps({"issues": issues}))

        runner = CliRunner()
        result = runner.invoke(main, ["report", str(input_file)])

        assert result.exit_code == 0

    def test_report_to_html(self, tmp_path):
        """Test generating HTML report."""
        input_file = tmp_path / "input.json"
        input_file.write_text(json.dumps({"issues": []}))

        output_file = tmp_path / "report.html"

        runner = CliRunner()
        result = runner.invoke(main, ["report", str(input_file), "--html", str(output_file)])

        assert result.exit_code == 0

    def test_report_empty_issues(self, tmp_path):
        """Test report with no issues."""
        input_file = tmp_path / "input.json"
        input_file.write_text(json.dumps({"issues": []}))

        runner = CliRunner()
        result = runner.invoke(main, ["report", str(input_file)])

        assert result.exit_code == 0
        assert "No issues" in result.output


class TestMainCommand:
    """Tests for main command group."""

    def test_main_help(self):
        """Test main help command."""
        runner = CliRunner()
        result = runner.invoke(main, ["--help"])

        assert result.exit_code == 0
        assert "VibeGuard" in result.output
        assert "analyze" in result.output
        assert "init" in result.output

    def test_main_version(self):
        """Test main version output."""
        runner = CliRunner()
        result = runner.invoke(main, ["--help"])

        assert result.exit_code == 0