from __future__ import annotations

from pathlib import Path

import pytest

from repo_manager.identifiers import derive_work_record_uuid, scan_live_identifier_collisions


def _workplan(path: Path, identifier: str, status: str, task_status: str = "todo") -> None:
    path.parent.mkdir(parents=True, exist_ok=True)
    path.write_text(
        f"""---
id: {identifier}
title: Test
status: {status}
---

## Task

```task
id: {identifier}-T01
status: {task_status}
```
""",
        encoding="utf-8",
    )


def test_uuid_derivation_is_stable_and_namespace_scoped() -> None:
    first = derive_work_record_uuid("helixforge", "RMGR-WP-0005")
    assert str(first) == "6dcf854e-9229-569d-90f0-2d9df235a61d"
    assert derive_work_record_uuid("helixforge", "RMGR-WP-0005") == first
    assert derive_work_record_uuid("client-a", "RMGR-WP-0005") != first
    with pytest.raises(ValueError):
        derive_work_record_uuid("Client A", "RMGR-WP-0005")


def test_preflight_blocks_live_collision_but_ignores_archived_history(tmp_path: Path) -> None:
    one = tmp_path / "one"
    two = tmp_path / "two"
    _workplan(one / "workplans" / "one.md", "SHARED-WP-0001", "active")
    _workplan(two / "workplans" / "two.md", "SHARED-WP-0001", "ready")
    report = scan_live_identifier_collisions(tmp_path)
    assert report["ok"] is False
    assert "SHARED-WP-0001" in report["collisions"]

    _workplan(two / "workplans" / "two.md", "SHARED-WP-0001", "archived")
    report = scan_live_identifier_collisions(tmp_path)
    assert report["ok"] is True