from app.services.voice_confirm import (
    build_prompt_text,
    match_voice_choice_against_candidates,
    parse_voice_choice,
)


def test_parse_voice_choice_substring() -> None:
    assert parse_voice_choice("用的是纱布对吧", ["纱布", "缝线"]) == "纱布"


def test_parse_voice_choice_numeric() -> None:
    assert parse_voice_choice("第2个", ["纱布", "缝线", "钳子"]) == "缝线"


def test_parse_voice_choice_ordinal_chinese() -> None:
    opts = ["纱布", "缝线", "钳子"]
    assert parse_voice_choice("第一个", opts) == "纱布"
    assert parse_voice_choice("第一个。", opts) == "纱布"
    assert parse_voice_choice("第2个", opts) == "缝线"
    assert parse_voice_choice("第二", opts) == "缝线"
    assert parse_voice_choice("选3", opts) == "钳子"
    assert parse_voice_choice("选项2", ["纱布", "缝线"]) == "缝线"


def test_parse_voice_choice_single_chinese_digit_with_few_options() -> None:
    assert parse_voice_choice("一", ["纱布", "缝线"]) == "纱布"
    assert parse_voice_choice("两", ["纱布", "缝线"]) == "缝线"


def test_parse_voice_choice_negative() -> None:
    assert parse_voice_choice("不是", ["纱布", "缝线"]) is None


def test_build_prompt_contains_options() -> None:
    text = build_prompt_text([("纱布", 0.4), ("缝线", 0.3)])
    assert "纱布" in text
    assert "缝线" in text


def test_match_voice_against_full_candidate_list() -> None:
    assert (
        match_voice_choice_against_candidates(
            "刚才用的是止血钳",
            ["纱布", "缝线", "止血钳"],
        )
        == "止血钳"
    )


def test_match_voice_longest_candidate_first() -> None:
    assert (
        match_voice_choice_against_candidates(
            "拿的一次性止血钳",
            ["止血钳", "一次性止血钳"],
        )
        == "一次性止血钳"
    )