#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-3.0-or-later
"""Validate the local, host-only Phase-1.0AZ RetroArch source commit."""

from __future__ import annotations

import argparse
import hashlib
import json
import subprocess
from pathlib import Path


def git(repo: Path, *args: str) -> str:
    return subprocess.run(["git", *args], cwd=repo, check=True,
                          capture_output=True, text=True).stdout.strip()


def main() -> int:
    parser = argparse.ArgumentParser()
    parser.add_argument("--root", type=Path, required=True)
    parser.add_argument("--retroarch-root", type=Path, required=True)
    args = parser.parse_args()
    path = args.root / "manifests/retroarch/phase-1.0az-host-av-source.json"
    data = json.loads(path.read_text(encoding="utf-8"))
    binding = data["source_bindings"]
    ay = args.root / "manifests/retroarch/phase-1.0ay-target-source-base.json"
    assert hashlib.sha256(ay.read_bytes()).hexdigest() == binding["phase10ay_manifest_sha256"]
    commit = binding["retroarch_local_commit"]
    assert git(args.retroarch_root, "rev-parse", "HEAD") == commit
    assert git(args.retroarch_root, "rev-parse", binding["verified_remote_ref"]) == commit
    assert git(args.retroarch_root, "rev-parse", f"{commit}^") == binding["retroarch_base_commit"]
    expected = {
        "Makefile.ps5", "docs/ps5-phase10az-host-av-source.md",
        "frontend/drivers/platform_ps5_smoke.c",
        "frontend/drivers/platform_ps5_smoke.h", "pkg/ps5/chimera_ps5_diag.c",
        "pkg/ps5/chimera_ps5_diag.h", "pkg/ps5/chimera_ps5_diag_stream.c",
        "tests/chimera_ps5_av_diag_test.c",
    }
    assert set(git(args.retroarch_root, "show", "--format=", "--name-only", commit).splitlines()) == expected
    blobs = {
        "makefile": "Makefile.ps5",
        "platform_smoke_c": "frontend/drivers/platform_ps5_smoke.c",
        "platform_smoke_h": "frontend/drivers/platform_ps5_smoke.h",
        "diag_c": "pkg/ps5/chimera_ps5_diag.c",
        "diag_h": "pkg/ps5/chimera_ps5_diag.h",
        "stream_c": "pkg/ps5/chimera_ps5_diag_stream.c",
        "host_test": "tests/chimera_ps5_av_diag_test.c",
        "source_doc": "docs/ps5-phase10az-host-av-source.md",
    }
    for key, source in blobs.items():
        assert git(args.retroarch_root, "rev-parse", f"{commit}:{source}") == binding[f"{key}_blob"]
    makefile = git(args.retroarch_root, "show", f"{commit}:Makefile.ps5")
    assert makefile.count("-DCHIMERA_PS5_AV_DIAG=1") == 1
    assert "PS5_PROFILE=av" not in makefile and "retroarch_ps5_av" not in makefile
    assert git(args.retroarch_root, "diff", "--quiet", f'{binding["retroarch_base_commit"]}', commit, "--", "retroarch.c") == ""
    assert binding["remote_push_verified"] is True
    assert not any(data["authorizations"].values())
    assert data["decision"]["target_profile_reassessment_allowed"] is True
    assert data["decision"]["target_artifact_build_allowed"] is False
    print("Phase-1.0AZ host-only source validation passed")
    return 0


if __name__ == "__main__":
    raise SystemExit(main())