"""Tests for the project analyzer."""

import json
from pathlib import Path

import pytest

from dss.analyze.base import Framework
from dss.analyze.project_analyzer import analyze_project, export_project_context, run_project_analysis


@pytest.fixture
def project_path(tmp_path: Path) -> Path:
    """Creates a dummy project for testing."""
    project_path = tmp_path / "project"
    (project_path / "src").mkdir(parents=True)

    (project_path / "package.json").write_text(
        json.dumps({"dependencies": {"react": "18.0.0"}}, indent=2), encoding="utf-8"
    )

    (project_path / "src" / "Button.jsx").write_text(
        "\n".join(
            [
                'import React from "react";',
                'import "./button.css";',
                "",
                "export function Button({ label }) {",
                '  return <button style={{ color: "#ff0000" }}>{label}</button>;',
                "}",
                "",
            ]
        ),
        encoding="utf-8",
    )

    (project_path / "src" / "button.css").write_text(
        "\n".join(
            [
                ".btn {",
                "  color: #ff0000;",
                "}",
                "",
            ]
        ),
        encoding="utf-8",
    )

    return project_path


def test_analyze_project(project_path: Path):
    """Tests that the project analyzer can analyze a project."""
    analysis = analyze_project(str(project_path))
    assert analysis.project_path == str(project_path.resolve())
    assert analysis.framework == Framework.REACT
    assert analysis.component_count >= 1
    assert analysis.style_file_count == 1


def test_run_project_analysis_writes_graph(project_path: Path):
    """Writes analysis output to <project>/.dss/analysis_graph.json."""
    result = run_project_analysis(str(project_path))
    output_path = project_path / ".dss" / "analysis_graph.json"
    assert output_path.exists()

    saved = json.loads(output_path.read_text(encoding="utf-8"))
    assert saved["project_path"] == str(project_path.resolve())
    assert "nodes" in saved
    assert "edges" in saved
    assert "analysis" in saved
    assert result["project_path"] == str(project_path.resolve())


def test_export_project_context(project_path: Path):
    """Exports a lightweight context payload for prompt injection."""
    ctx = export_project_context(str(project_path))
    assert ctx["project_path"] == str(project_path.resolve())
    assert ctx["framework"] == Framework.REACT.value