import json
import pathlib
import sys
import bpy

directory = pathlib.Path(sys.argv[sys.argv.index("--") + 1])
states = {}
for blend in sorted(directory.glob("*.blend")):
    bpy.ops.wm.open_mainfile(filepath=str(blend))
    states[blend.stem] = {
        scene.name: {
            "camera": scene.camera.name if scene.camera else None,
            "objects": sorted(obj.name for obj in scene.objects),
            "strips": sorted(({
                "name": strip.name, "type": strip.type,
                "start": strip.frame_final_start, "end": strip.frame_final_end,
                "channel": strip.channel, "mute": strip.mute,
                "sourceScene": strip.scene.name if strip.type == "SCENE" and strip.scene else None,
                "sourceSound": strip.sound.filepath if strip.type == "SOUND" and strip.sound else None,
                "images": [element.filename for element in strip.elements] if strip.type == "IMAGE" else [],
            } for strip in scene.sequence_editor.strips), key=lambda strip: strip["name"])
            if scene.sequence_editor else [],
        } for scene in bpy.data.scenes
    }
(directory / "native-scene-strip-snapshots.json").write_text(json.dumps(states, indent=2, sort_keys=True) + "\n")