"""Entry-level gap report persistence and staleness detection."""

from app.resume_document_core import (
    attach_gap_report_staleness,
    entry_fingerprint,
    find_entry,
    gap_report_is_stale,
)
from app.resume_document_mutations import set_entry_gap_report


def _content() -> dict:
    return {
        "sections": [
            {
                "id": "sec1",
                "kind": "project_experience",
                "items": [{"id": "e1", "project_name": "项目 A", "description": "完成了开发。"}],
            }
        ]
    }


GAPS = [
    {
        "dimension": "quantified_outcome",
        "severity": 4,
        "askability": 0.5,
        "job_weight": 3,
        "evidence": "缺少量化成果。",
        "value": 6.0,
    }
]


def test_set_entry_gap_report_does_not_change_fingerprint() -> None:
    content = _content()
    before = entry_fingerprint(find_entry(content, "e1")[1])

    content = set_entry_gap_report(content, "e1", GAPS)

    entry = find_entry(content, "e1")[1]
    assert entry["gap_report"]["gaps"] == GAPS
    assert entry["gap_report"]["based_on"] == before
    assert entry_fingerprint(entry) == before
    assert gap_report_is_stale(entry) is False


def test_gap_report_stale_after_entry_edit() -> None:
    content = set_entry_gap_report(_content(), "e1", GAPS)
    entry = find_entry(content, "e1")[1]

    entry["description"] = "手动编辑后的描述。"

    assert gap_report_is_stale(entry) is True


def test_gap_report_missing_is_not_stale() -> None:
    entry = find_entry(_content(), "e1")[1]

    assert gap_report_is_stale(entry) is False


def test_attach_gap_report_staleness_returns_a_presentation_copy() -> None:
    content = set_entry_gap_report(_content(), "e1", GAPS)
    entry = find_entry(content, "e1")[1]
    entry["description"] = "已编辑。"

    presentation = attach_gap_report_staleness(content)

    assert find_entry(presentation, "e1")[1]["gap_report"]["stale"] is True
    assert "stale" not in find_entry(content, "e1")[1]["gap_report"]