import unittest
from importlib.machinery import SourceFileLoader
from pathlib import Path
from unittest.mock import patch


ROOT = Path(__file__).resolve().parents[1]
MODULE = SourceFileLoader("erxiao_spider", str(ROOT / "二小.py")).load_module()
Spider = MODULE.Spider


class TestErXiaoSpider(unittest.TestCase):
    def setUp(self):
        Spider._instance = None
        self.spider = Spider()
        self.spider.init()

    def test_home_content_exposes_all_categories(self):
        content = self.spider.homeContent(False)
        self.assertEqual(
            [(item["type_id"], item["type_name"]) for item in content["class"]],
            [
                ("1", "二小电影"),
                ("2", "二小剧集"),
                ("3", "二小动漫"),
                ("17", "二小综艺"),
            ],
        )

    def test_home_video_content_returns_empty_list(self):
        self.assertEqual(self.spider.homeVideoContent(), {"list": []})

    def test_build_url_and_detect_pan_type(self):
        self.assertEqual(
            self.spider._build_url("/index.php/vod/detail/id/1.html"),
            f"{self.spider.host}/index.php/vod/detail/id/1.html",
        )
        self.assertEqual(self.spider._detect_pan_type("https://pan.baidu.com/s/demo"), ("baidu", "百度资源"))
        self.assertEqual(self.spider._detect_pan_type("https://pan.quark.cn/s/demo"), ("quark", "夸克资源"))
        self.assertEqual(self.spider._detect_pan_type("https://example.com/video"), ("", ""))

    def test_parse_cards_extracts_short_path_ids(self):
        html = """
        <div id="main">
          <div class="module-item">
            <div class="module-item-pic">
              <a href="/index.php/vod/detail/id/123.html"></a>
              <img data-src="/poster.jpg" alt="示例影片" />
            </div>
            <div class="module-item-text">HD</div>
            <div class="module-item-caption"><span>2025</span></div>
          </div>
        </div>
        """
        self.assertEqual(
            self.spider._parse_cards(html),
            [
                {
                    "vod_id": "/index.php/vod/detail/id/123.html",
                    "vod_name": "示例影片",
                    "vod_pic": f"{self.spider.host}/poster.jpg",
                    "vod_remarks": "HD",
                    "vod_year": "2025",
                }
            ],
        )

    def test_parse_cards_ignores_module_items_wrapper_and_keeps_each_card_separate(self):
        html = """
        <div id="main">
          <div class="module-items">
            <div class="module-item">
              <div class="module-item-pic">
                <a href="/index.php/vod/detail/id/111.html"></a>
                <img data-src="/poster-1.jpg" alt="影片一" />
              </div>
              <div class="module-item-text">HD</div>
            </div>
            <div class="module-item">
              <div class="module-item-pic">
                <a href="/index.php/vod/detail/id/222.html"></a>
                <img data-src="/poster-2.jpg" alt="影片二" />
              </div>
              <div class="module-item-text">更新至2集</div>
            </div>
          </div>
        </div>
        """
        cards = self.spider._parse_cards(html)
        self.assertEqual(
            cards,
            [
                {
                    "vod_id": "/index.php/vod/detail/id/111.html",
                    "vod_name": "影片一",
                    "vod_pic": f"{self.spider.host}/poster-1.jpg",
                    "vod_remarks": "HD",
                    "vod_year": "",
                },
                {
                    "vod_id": "/index.php/vod/detail/id/222.html",
                    "vod_name": "影片二",
                    "vod_pic": f"{self.spider.host}/poster-2.jpg",
                    "vod_remarks": "更新至2集",
                    "vod_year": "",
                },
            ],
        )

    @patch.object(Spider, "_request_html")
    def test_category_content_builds_reference_url_and_returns_page_payload(self, mock_request_html):
        mock_request_html.return_value = """
        <div id="main">
          <div class="module-item">
            <div class="module-item-pic">
              <a href="/index.php/vod/detail/id/456.html"></a>
              <img data-src="/cate.jpg" alt="分类影片" />
            </div>
            <div class="module-item-text">更新至10集</div>
            <div class="module-item-caption"><span>2024</span></div>
          </div>
        </div>
        """
        result = self.spider.categoryContent("2", "3", False, {})
        self.assertEqual(
            mock_request_html.call_args.args[0],
            f"{self.spider.host}/index.php/vod/show/id/2/page/3.html",
        )
        self.assertEqual(result["page"], 3)
        self.assertEqual(result["limit"], 1)
        self.assertEqual(result["list"][0]["vod_name"], "分类影片")
        self.assertNotIn("pagecount", result)

    @patch.object(Spider, "_request_html")
    def test_search_content_builds_reference_search_url_and_parses_results(self, mock_request_html):
        mock_request_html.return_value = """
        <div class="module-search-item">
          <a class="video-serial" href="/index.php/vod/detail/id/789.html" title="搜索影片">抢先版</a>
          <div class="module-item-pic">
            <img data-src="/search.jpg" alt="搜索影片" />
          </div>
        </div>
        """
        result = self.spider.searchContent("繁花", False, "2")
        self.assertEqual(
            mock_request_html.call_args.args[0],
            f"{self.spider.host}/index.php/vod/search/page/2/wd/%E7%B9%81%E8%8A%B1.html",
        )
        self.assertEqual(
            result["list"][0],
            {
                "vod_id": "/index.php/vod/detail/id/789.html",
                "vod_name": "搜索影片",
                "vod_pic": f"{self.spider.host}/search.jpg",
                "vod_remarks": "抢先版",
            },
        )

    def test_search_content_returns_empty_list_for_blank_keyword(self):
        self.assertEqual(self.spider.searchContent("", False, "1"), {"page": 1, "total": 0, "list": []})

    def test_build_pan_lines_deduplicates_and_sorts_supported_links(self):
        detail = {
            "pan_urls": [
                "https://pan.quark.cn/s/q1",
                "https://pan.baidu.com/s/b1",
                "https://pan.baidu.com/s/b1",
                "https://example.com/ignored",
            ]
        }
        self.assertEqual(
            self.spider._build_pan_lines(detail),
            [
                ("baidu#二小", "百度资源$https://pan.baidu.com/s/b1"),
                ("quark#二小", "夸克资源$https://pan.quark.cn/s/q1"),
            ],
        )

    def test_parse_detail_page_extracts_meta_content_and_pan_urls(self):
        html = """
        <div class="page-title">示例剧</div>
        <div class="mobile-play"><img class="lazyload" data-src="/poster.jpg" /></div>
        <div class="video-info-itemtitle">年代</div><div><a>2024</a></div>
        <div class="video-info-itemtitle">导演</div><div><a>导演甲</a></div>
        <div class="video-info-itemtitle">主演</div><div><a>演员甲</a><a>演员乙</a></div>
        <div class="video-info-itemtitle">剧情</div><div><p>一段剧情简介</p></div>
        <div class="module-row-info">
          <p>https://pan.quark.cn/s/q1</p>
          <p>https://pan.baidu.com/s/b1</p>
        </div>
        """
        detail = self.spider._parse_detail_page("/index.php/vod/detail/id/123.html", html)
        self.assertEqual(detail["vod_name"], "示例剧")
        self.assertEqual(detail["vod_pic"], f"{self.spider.host}/poster.jpg")
        self.assertEqual(detail["vod_year"], "2024")
        self.assertEqual(detail["vod_director"], "导演甲")
        self.assertEqual(detail["vod_actor"], "演员甲,演员乙")
        self.assertEqual(detail["vod_content"], "一段剧情简介")
        self.assertEqual(detail["pan_urls"], ["https://pan.quark.cn/s/q1", "https://pan.baidu.com/s/b1"])

    def test_parse_detail_page_uses_only_first_mobile_play_poster(self):
        html = """
        <div class="page-title">示例剧</div>
        <div class="mobile-play"><img class="lazyload" data-src="/poster-main.jpg" /></div>
        <div class="mobile-play"><img class="lazyload" data-src="https://img.example.com/side.webp" /></div>
        <div class="mobile-play"><img class="lazyload" data-src="https://img.example.com/recommend.jpg" /></div>
        <div class="module-row-info">
          <p>https://pan.baidu.com/s/b1</p>
        </div>
        """
        detail = self.spider._parse_detail_page("/index.php/vod/detail/id/123.html", html)
        self.assertEqual(detail["vod_pic"], f"{self.spider.host}/poster-main.jpg")

    @patch.object(Spider, "_request_html")
    def test_detail_content_builds_pan_play_fields(self, mock_request_html):
        mock_request_html.return_value = """
        <div class="page-title">示例剧</div>
        <div class="mobile-play"><img class="lazyload" data-src="/poster.jpg" /></div>
        <div class="video-info-itemtitle">年代</div><div><a>2024</a></div>
        <div class="video-info-itemtitle">导演</div><div><a>导演甲</a></div>
        <div class="video-info-itemtitle">主演</div><div><a>演员甲</a></div>
        <div class="video-info-itemtitle">剧情</div><div><p>一段剧情简介</p></div>
        <div class="module-row-info">
          <p>https://pan.quark.cn/s/q1</p>
          <p>https://pan.baidu.com/s/b1</p>
        </div>
        """
        result = self.spider.detailContent(["/index.php/vod/detail/id/123.html"])
        vod = result["list"][0]
        self.assertEqual(vod["vod_name"], "示例剧")
        self.assertEqual(vod["vod_play_from"], "baidu#二小$$$quark#二小")
        self.assertEqual(
            vod["vod_play_url"],
            "百度资源$https://pan.baidu.com/s/b1$$$夸克资源$https://pan.quark.cn/s/q1",
        )

    def test_player_content_passthroughs_supported_pan_urls(self):
        self.assertEqual(
            self.spider.playerContent("baidu#二小", "https://pan.baidu.com/s/demo", {}),
            {"parse": 0, "playUrl": "", "url": "https://pan.baidu.com/s/demo"},
        )

    def test_player_content_rejects_non_pan_url(self):
        self.assertEqual(
            self.spider.playerContent("site", "/index.php/vod/play/id/1.html", {}),
            {"parse": 0, "playUrl": "", "url": ""},
        )


if __name__ == "__main__":
    unittest.main()