# -*- coding: utf-8 -*-
"""视频引用解析纯函数测试: uv run python tests/test_video_ref.py"""

import os
import sys

sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
sys.stdout.reconfigure(encoding="utf-8")

from reaction_board.video_ref import VideoRef, extract_video_refs  # noqa: E402

BV = "BV1x8x166EzY"


def test_bv_url_and_bare_bvid():
    assert extract_video_refs(f"https://www.bilibili.com/video/{BV}") == [
        VideoRef("bvid", BV)
    ]
    assert extract_video_refs(BV) == [VideoRef("bvid", BV)]
    assert extract_video_refs(
        f"https://m.bilibili.com/video/{BV}?p=2&spm_id_from=333.999"
    ) == [VideoRef("bvid", BV)]
    assert extract_video_refs(f"https://www.bilibili.com/video/{BV}/?share=1") == [
        VideoRef("bvid", BV)
    ]


def test_arbitrary_text_containing_bvid():
    assert extract_video_refs(f"看看这个 {BV} 很有意思") == [VideoRef("bvid", BV)]
    assert extract_video_refs(f"前缀{BV}后缀") == [VideoRef("bvid", BV)]


def test_av_id_forms():
    assert extract_video_refs("av12345") == [VideoRef("aid", 12345)]
    assert extract_video_refs("AV12345") == [VideoRef("aid", 12345)]
    assert extract_video_refs("https://www.bilibili.com/video/av12345") == [
        VideoRef("aid", 12345)
    ]


def test_short_link():
    assert extract_video_refs("https://b23.tv/abcDEF12") == [
        VideoRef("short", "abcDEF12")
    ]
    assert extract_video_refs("b23.tv/xyz") == [VideoRef("short", "xyz")]


def test_multiple_and_order_and_dedup():
    text = f"{BV} 还有 av100 再看 {BV} 以及 https://b23.tv/short1"
    assert extract_video_refs(text) == [
        VideoRef("bvid", BV),
        VideoRef("aid", 100),
        VideoRef("short", "short1"),
    ]


def test_limit():
    text = " ".join(["av1", "av2", "av3"])
    assert extract_video_refs(text, limit=2) == [
        VideoRef("aid", 1),
        VideoRef("aid", 2),
    ]
    assert len(extract_video_refs(text, limit=None)) == 3


def test_default_cap_allows_bulk_paste():
    from reaction_board.video_ref import DEFAULT_MAX_REFS

    assert DEFAULT_MAX_REFS >= 15
    text = " ".join(f"BV1x8x166E{i:02d}" for i in range(15))
    assert len(extract_video_refs(text)) == 15
    assert len(extract_video_refs(" ".join(
        f"BV1x8x166E{i:02d}" for i in range(DEFAULT_MAX_REFS + 5)
    ))) == DEFAULT_MAX_REFS


def test_invalid_and_boundaries():
    assert extract_video_refs("") == []
    assert extract_video_refs(None) == []
    assert extract_video_refs(12345) == []
    assert extract_video_refs("hello world") == []
    # BV 号长度不足
    assert extract_video_refs("BV1x8") == []
    # 更长的字母数字串不应被截断成假 BV 号
    assert extract_video_refs(f"{BV}EXTRA") == []
    # "have123" 不应命中 av
    assert extract_video_refs("have123") == []
    # av 后紧跟字母不应命中
    assert extract_video_refs("av12x") == []


def main():
    test_bv_url_and_bare_bvid()
    test_arbitrary_text_containing_bvid()
    test_av_id_forms()
    test_short_link()
    test_multiple_and_order_and_dedup()
    test_limit()
    test_default_cap_allows_bulk_paste()
    test_invalid_and_boundaries()
    print("OK: 视频引用（BV/av/URL/短链）解析测试全部通过")


if __name__ == "__main__":
    main()