from __future__ import annotations

import time

from backend.core.document_library import (
    document_created_at_iso,
    is_reingest_running,
    recover_stale_processing_documents,
    schedule_reingest_all_documents,
)
from backend.core.report_session import UploadedDocument, list_documents, save_document


def test_document_created_at_iso_from_epoch():
    ts = time.time()
    doc = UploadedDocument(
        document_id="abc",
        filename="test.pdf",
        created_at=ts,
    )
    iso = document_created_at_iso(doc)
    assert "T" in iso
    assert iso.endswith("+00:00") or iso.endswith("Z") or "+" in iso


def test_recover_stale_processing_when_no_worker(tmp_path, monkeypatch):
    monkeypatch.setenv("DATA_DIR", str(tmp_path))
    tenant = "t-recover"
    doc = UploadedDocument(
        document_id="d1",
        filename="a.pdf",
        status="processing",
        storage_path=str(tmp_path / "a.pdf"),
    )
    (tmp_path / "a.pdf").write_bytes(b"x")
    save_document(tenant, doc)
    assert is_reingest_running(tenant) is False
    n = recover_stale_processing_documents(tenant)
    assert n == 1
    assert list_documents(tenant)["d1"].status == "complete"