import pytest
from datetime import datetime
from pathlib import Path

from app.modules.project.domain.entities import Project
from app.modules.scanner.application.services import ScanService
from app.modules.editor.application.services import EditorService


@pytest.fixture
def editor_service():
    return EditorService(ScanService())


@pytest.fixture
def test_project(tmp_path):
    design = tmp_path / "design"
    design.mkdir()
    (design / "test.csv").write_text("col1,col2\nval1,val2\n")
    (design / "test.md").write_text("---\ndoc_id: DOC-TEST\ntitle: Test\n---\n# Test\n")
    return Project(
        id="test", name="test",
        design_dir=str(design), code_dir=None,
        created_at=datetime(2026, 1, 1),
    )


def test_get_file_csv(editor_service, test_project):
    f = editor_service.get_file(test_project, "test.csv")
    assert f.format == "csv"
    assert "col1" in f.content


def test_get_file_md(editor_service, test_project):
    f = editor_service.get_file(test_project, "test.md")
    assert f.format == "md"


def test_save_file(editor_service, test_project):
    result = editor_service.save_file(test_project, "test.csv", "a,b\n1,2\n")
    assert result.project_id == "test"
    # Verify file was actually written
    content = (Path(test_project.design_dir) / "test.csv").read_text()
    assert content == "a,b\n1,2\n"


def test_get_impact(editor_service, test_project):
    scan_svc = ScanService()
    scan_result = scan_svc.scan(test_project)
    impact = editor_service.get_impact(test_project, "test.md", scan_result)
    assert impact.source_file == "test.md"
    assert isinstance(impact.affected_files, list)