"""TDD — ui_commits must not read commit_meta."""
from __future__ import annotations

import pytest
from datetime import datetime, timezone
from sqlalchemy.ext.asyncio import AsyncSession

from muse.core.types import blob_id
from musehub.db import musehub_repo_models as db
from tests.factories import create_repo


def _utc() -> datetime:
    return datetime.now(tz=timezone.utc)


async def _add_commit(session: AsyncSession, repo_id: str, seed: str, **kwargs: typing.Any) -> db.MusehubCommit:
    row = db.MusehubCommit(
        commit_id=blob_id(seed.encode()),
        branch="dev",
        parent_ids=[],
        message=f"feat: {seed}",
        author="gabriel",
        timestamp=_utc(),
        **kwargs,
    )
    session.add(row)
    session.add(db.MusehubCommitRef(repo_id=repo_id, commit_id=row.commit_id))
    await session.commit()
    await session.refresh(row)
    return row


# ---------------------------------------------------------------------------
# C1 — ORM row exposes all fields used by the provenance block
# ---------------------------------------------------------------------------

@pytest.mark.asyncio
async def test_c1_commit_orm_has_provenance_columns(
    db_session: AsyncSession,
) -> None:
    """MusehubCommit has all fields the commit detail provenance block reads."""
    repo = await create_repo(db_session, owner="gabriel", visibility="public")
    row = await _add_commit(
        db_session, repo.repo_id, "commits-prov-c1",
        agent_id="claude-code", model_id="claude-sonnet-4-6",
        sem_ver_bump="patch", breaking_changes=["src/main.py::Fn"],
        signature="ed25519:SIG", signer_key_id="key-1",
        toolchain_id="muse-1", prompt_hash="abc", test_runs=1,
        reviewed_by=["alice"],
    )

    assert not hasattr(row, "commit_meta")

    # These are the exact reads the provenance block in ui_commits.py must use
    provenance = {
        "sem_ver_bump": row.sem_ver_bump or "none",
        "agent_id": row.agent_id or "",
        "model_id": row.model_id or "",
        "toolchain_id": row.toolchain_id or "",
        "prompt_hash": row.prompt_hash or "",
        "signature": row.signature or "",
        "signer_key_id": row.signer_key_id or "",
        "format_version": 1,
        "reviewed_by": list(row.reviewed_by or []),
        "test_runs": int(row.test_runs or 0),
        "breaking_changes": list(row.breaking_changes or []),
        "is_agent": bool(row.agent_id),
    }

    assert provenance["agent_id"] == "claude-code"
    assert provenance["sem_ver_bump"] == "patch"
    assert provenance["breaking_changes"] == ["src/main.py::Fn"]
    assert provenance["test_runs"] == 1
    assert provenance["signature"] == "ed25519:SIG"
    assert provenance["is_agent"] is True