import hashlib
import json
import os
import stat

import FreeCAD as App


FREECAD_COMMIT = "0108fd4b4850cc46e625b60e53cea7a7bbe69f8d"


def file_snapshot(document):
    obj = document.getObject("IncludedProbe")
    path = str(obj.File)
    exists = os.path.isfile(path)
    payload = open(path, "rb").read() if exists else b""
    mode = stat.S_IMODE(os.stat(path).st_mode) if exists else None
    return {
        "objectSet": [{"name": item.Name, "typeId": item.TypeId} for item in document.Objects],
        "object": {
            "name": obj.Name,
            "typeId": obj.TypeId,
            "propertyTypeId": obj.getTypeIdOfProperty("File"),
            "value": path,
            "baseName": os.path.basename(path) if path else "",
            "exists": exists,
            "bytes": len(payload),
            "sha256": hashlib.sha256(payload).hexdigest() if payload else "",
            "mode": mode,
            "writeBits": mode & 0o222 if mode is not None else None,
            "underTransientDir": bool(path) and os.path.commonpath([os.path.abspath(path), os.path.abspath(document.TransientDir)]) == os.path.abspath(document.TransientDir),
            "propertyStatus": [str(item) for item in obj.getPropertyStatus("File")],
            "editorMode": [str(item) for item in obj.getEditorMode("File")],
            "state": [str(item) for item in obj.State],
            "statusString": str(obj.getStatusString()),
            "hasShapeProperty": "Shape" in obj.PropertiesList,
        },
    }


def create_native(path, source_path):
    document = App.newDocument("PropertyFileIncludedRoundtrip")
    try:
        obj = document.addObject("App::DocumentObjectFileIncluded", "IncludedProbe")
        obj.File = (source_path, "payload.bin")
        document.recompute()
        document.saveAs(path)
    finally:
        App.closeDocument(document.Name)
    reopened = App.openDocument(path)
    try:
        reopened.recompute()
        return file_snapshot(reopened)
    finally:
        App.closeDocument(reopened.Name)


def verify_native(path, resaved_path):
    document = App.openDocument(path)
    try:
        document.recompute()
        reopened = file_snapshot(document)
        document.saveAs(resaved_path)
    finally:
        App.closeDocument(document.Name)
    resaved_document = App.openDocument(resaved_path)
    try:
        resaved_document.recompute()
        resaved = file_snapshot(resaved_document)
    finally:
        App.closeDocument(resaved_document.Name)
    return {"reopened": reopened, "resaved": resaved}


mode = os.environ.get("FREECAD_PROPERTY_FILEINCLUDED_ROUNDTRIP_MODE", "")
path = os.environ.get("FREECAD_PROPERTY_FILEINCLUDED_ROUNDTRIP_PATH", "")
resaved_path = os.environ.get("FREECAD_PROPERTY_FILEINCLUDED_ROUNDTRIP_RESAVED_PATH", "")
source_path = os.environ.get("FREECAD_PROPERTY_FILEINCLUDED_ROUNDTRIP_SOURCE", "")
if mode == "create":
    result = create_native(path, source_path)
elif mode == "verify":
    result = verify_native(path, resaved_path)
else:
    raise RuntimeError("FREECAD_PROPERTY_FILEINCLUDED_ROUNDTRIP_MODE must be create or verify")

print("FREECAD_PROPERTY_FILEINCLUDED_ROUNDTRIP_RESULT=" + json.dumps({
    "schemaVersion": 1,
    "status": "pass",
    "baselineId": "freecad-1.1.1-property-fileincluded-roundtrip",
    "freecadVersion": ".".join(str(value) for value in App.Version()[:3]),
    "gitCommit": FREECAD_COMMIT,
    "mode": mode,
    "result": result,
}, sort_keys=True))