"""Tests for vlm.review_display helpers."""

from pathlib import Path

from vlm.review_display import (
    build_csv_rows,
    format_paths_for_detail,
    review_row_status_symbol,
    risk_flags_to_labels,
)


def test_risk_flags_to_labels():
    assert "需人工判断" in risk_flags_to_labels("manual_review")
    assert "目标冲突" in risk_flags_to_labels("conflict")
    assert risk_flags_to_labels("") == ""
    assert risk_flags_to_labels("unknown_flag") == "unknown_flag"


def test_format_paths_for_detail_relative():
    root = Path("/media/lib")
    text = format_paths_for_detail(
        str(root / "a" / "f.mkv"),
        str(root / "b" / "f.mkv"),
        root,
    )
    assert "来源:" in text
    assert "f.mkv" in text
    assert "目标:" in text


def test_build_csv_rows_merges_operation_type():
    rows = [
        {
            "index": "1",
            "operation_type": "move",
            "risk_flags": "manual_review",
            "source_path": "/x",
            "destination_path": "/y",
            "reason": "r",
        }
    ]
    merged = build_csv_rows(rows, {1: "no-op"})
    assert merged[0]["operation_type"] == "no-op"
    assert merged[0]["risk_flags"] == "manual_review"


def test_review_row_status_symbol():
    initial = {1: "move"}
    current = {1: "move"}
    assert review_row_status_symbol(current, initial, 1) == "·"
    current2 = {1: "no-op"}
    assert review_row_status_symbol(current2, initial, 1) == "✗"
    current3 = {1: "move"}
    initial3 = {1: "no-op"}
    assert review_row_status_symbol(current3, initial3, 1) == "✓"