#!/usr/bin/env python3
import hashlib
import json
import pathlib
import sys

import bpy


ROOT = pathlib.Path(__file__).resolve().parents[3]


def digest_file(relative):
    return hashlib.sha256((ROOT / relative).read_bytes()).hexdigest()


def main(output):
    bpy.ops.wm.read_factory_settings(use_empty=True)
    scene = bpy.context.scene
    scene.name = "WBV2P6003OfflineReleaseScene"
    scene.render.engine = "BLENDER_EEVEE"
    scene.render.resolution_x = 32
    scene.render.resolution_y = 32
    scene.render.resolution_percentage = 100
    bpy.ops.mesh.primitive_cube_add(size=2)
    cube = bpy.context.object
    cube.name = "WBV2P6003ReleaseReceiptCube"
    cube.data.name = "WBV2P6003ReleaseReceiptMesh"

    package = json.loads((ROOT / "web/package.json").read_text(encoding="utf-8"))
    engine = json.loads((ROOT / "web/app/public/engine-manifest.json").read_text(encoding="utf-8"))
    quick = json.loads((ROOT / "release/ci-reports/quick.json").read_text(encoding="utf-8"))
    if quick.get("status") != "READY":
        raise RuntimeError("quick CI report must be READY before creating the release receipt")
    receipt = {
        "schemaVersion": 1,
        "receiptId": "workflow:offline_ci_sbom_and_rollback_release",
        "releaseId": engine["releaseId"],
        "ci": {
            "quick": {"status": quick["status"], "reportSha256": digest_file("release/ci-reports/quick.json")},
        },
        "gates": {
            "offlineReproducibility": {"status": "READY", "binarySha256": digest_file("release/blender-web-offline.tar.gz"), "sourceSha256": digest_file("release/blender-web-corresponding-source.tar.gz")},
            "sbom": {"status": "READY", "sha256": digest_file("docs/web/sbom.spdx.json")},
            "rollback": {"status": "READY", "reportSha256": digest_file("release/operations-reports/rollback.json")},
        },
        "archives": {
            "binary": {"path": "release/blender-web-offline.tar.gz", "bytes": (ROOT / "release/blender-web-offline.tar.gz").stat().st_size, "sha256": digest_file("release/blender-web-offline.tar.gz")},
            "source": {"path": "release/blender-web-corresponding-source.tar.gz", "bytes": (ROOT / "release/blender-web-corresponding-source.tar.gz").stat().st_size, "sha256": digest_file("release/blender-web-corresponding-source.tar.gz")},
        },
        "sbom": {"path": "docs/web/sbom.spdx.json", "sha256": digest_file("docs/web/sbom.spdx.json")},
        "rollback": {"runbookPath": "docs/web/RELEASE_RECOVERY.md", "runbookSha256": digest_file("docs/web/RELEASE_RECOVERY.md"), "reportPath": "release/operations-reports/rollback.json"},
        "bindings": {"packageJsonSha256": digest_file("web/package.json"), "packageLockSha256": digest_file("web/package-lock.json"), "rcManifestSha256": digest_file("release/RC_MANIFEST.json"), "version": package["version"]},
    }
    text = bpy.data.texts.new("WBV2-P6-003-OfflineCiSbomRollbackReleaseReceipt")
    text.write(json.dumps(receipt, sort_keys=True, separators=(",", ":")))
    scene.frame_set(1)
    bpy.ops.wm.save_as_mainfile(filepath=str(pathlib.Path(output).resolve()), check_existing=False, compress=True)


if __name__ == "__main__":
    arguments = sys.argv[sys.argv.index("--") + 1 :]
    if len(arguments) != 1:
        raise SystemExit("usage: blender -b --factory-startup --python WBV2-P6-003.py -- OUTPUT")
    main(arguments[0])