import bpy
import json
import pathlib
import sys

request = json.loads(pathlib.Path(sys.argv[sys.argv.index("--") + 1]).read_text())


def vector(values):
    return [round(float(value), 6) for value in values]


states = {}
for label, file in request["files"].items():
    bpy.ops.wm.open_mainfile(filepath=str(pathlib.Path(file).resolve()))
    states[label] = {obj.name: {
        "vertices": [vector(vertex.co) for vertex in obj.data.vertices],
        "edges": [{"vertices": list(edge.vertices), "seam": edge.use_seam} for edge in obj.data.edges],
        "faces": [{"vertices": list(face.vertices), "normal": vector(face.normal), "center": vector(face.center),
                   "loops": list(face.loop_indices)} for face in obj.data.polygons],
        "uvLayers": [{"name": layer.name, "uv": [vector(item.uv) for item in layer.data]} for layer in obj.data.uv_layers],
    } for obj in sorted(bpy.data.objects, key=lambda obj: obj.name) if obj.type == "MESH"}
pathlib.Path(request["output"]).write_text(json.dumps(states, indent=2) + "\n")