from codesnap.output.markdown_formatter import MarkdownFormatter


class TestMarkdownFormatter:
    def setup_method(self) -> None:
        self.formatter = MarkdownFormatter()

    def test_format_valid_result(self) -> None:
        result = {
            "files": [
                {
                    "file": "test.py",
                    "language": "python",
                    "lines": 50,
                    "functions": [{"name": "test_func", "start_line": 1, "end_line": 10, "parameters": [], "return_type": "str"}],
                    "classes": [],
                    "complexity": {"score": 5, "rating": "low"}
                }
            ],
            "dependency_graph": {
                "total_dependencies": 0,
                "orphaned_files": 0,
                "cycles_detected": 0,
                "cycle_details": [],
                "orphaned_details": [],
                "edges": [],
                "statistics": {}
            }
        }
        output = self.formatter.format(result)
        assert "# CodeSnap Analysis Report" in output
        assert "## Overview" in output
        assert "## File Structure" in output
        assert "## Key Functions" in output
        assert "## Dependencies" in output
        assert "## Complexity Metrics" in output

    def test_format_empty_result(self) -> None:
        result = {
            "files": [],
            "dependency_graph": {
                "total_dependencies": 0,
                "orphaned_files": 0,
                "cycles_detected": 0,
                "cycle_details": [],
                "orphaned_details": [],
                "edges": [],
                "statistics": {}
            }
        }
        output = self.formatter.format(result)
        assert "Total Files" in output

    def test_includes_language_breakdown(self) -> None:
        result = {
            "files": [
                {"file": "a.py", "language": "python", "lines": 10, "functions": [], "classes": [], "complexity": {}},
                {"file": "b.js", "language": "javascript", "lines": 20, "functions": [], "classes": [], "complexity": {}}
            ],
            "dependency_graph": {
                "total_dependencies": 0,
                "orphaned_files": 0,
                "cycles_detected": 0,
                "cycle_details": [],
                "orphaned_details": [],
                "edges": [],
                "statistics": {}
            }
        }
        output = self.formatter.format(result)
        assert "python: 1" in output or "python: 2" in output
        assert "javascript:" in output

    def test_shows_circular_dependencies(self) -> None:
        result = {
            "files": [
                {"file": "a.py", "language": "python", "lines": 10, "functions": [], "classes": [], "complexity": {}},
                {"file": "b.py", "language": "python", "lines": 10, "functions": [], "classes": [], "complexity": {}}
            ],
            "dependency_graph": {
                "total_dependencies": 2,
                "orphaned_files": 0,
                "cycles_detected": 1,
                "cycle_details": [["a.py", "b.py", "a.py"]],
                "orphaned_details": [],
                "edges": [{"from": "a.py", "to": "b.py"}, {"from": "b.py", "to": "a.py"}],
                "statistics": {}
            }
        }
        output = self.formatter.format(result)
        assert "Circular Dependencies Detected" in output

    def test_shows_high_complexity_files(self) -> None:
        result = {
            "files": [
                {
                    "file": "complex.py",
                    "language": "python",
                    "lines": 100,
                    "functions": [],
                    "classes": [],
                    "complexity": {"score": 55, "rating": "high"}
                }
            ],
            "dependency_graph": {
                "total_dependencies": 0,
                "orphaned_files": 0,
                "cycles_detected": 0,
                "cycle_details": [],
                "orphaned_details": [],
                "edges": [],
                "statistics": {}
            }
        }
        output = self.formatter.format(result)
        assert "High Complexity Files" in output
        assert "complex.py" in output