import { createElement, Fragment } from "react";
import { renderToStaticMarkup } from "react-dom/server";
import { describe, expect, it } from "vitest";
import { StatusBadge } from "~/components/console/status-badge.tsx";
import { Button } from "~/components/ui/button.tsx";
import { ClampText, type MediaFacts, MediaHero } from "./media-detail.tsx";

// 详情页头图(方案 A):背景图渐隐到页面底色、无背景图退化为普通头部;状态徽标并进事实行;
// 操作按钮并进头图区且只有一个实心主操作;简介折叠只留一个「展开」入口。

const facts = (over: Partial<MediaFacts> = {}): MediaFacts => ({
  title: "人生切割术",
  originalTitle: "Severance",
  year: 2022,
  kind: "series",
  kindLabel: "剧集",
  genres: ["剧情"],
  voteAverage: 8.4,
  voteCount: 1200,
  airStatus: "Returning Series",
  runtime: 55,
  seasonCount: 2,
  episodeCount: 19,
  releaseDate: "2022-02-17",
  lastAirDate: "2025-03-20",
  platform: "Apple TV",
  originCountry: ["US"],
  overview: "故事发生在一家名为卢蒙的超级大公司内。",
  tagline: null,
  posterPath: "/sev-poster.jpg",
  backdropPath: "/severance-bg.jpg",
  externalLinks: [{ label: "TMDB", href: "https://www.themoviedb.org/tv/95396" }],
  ...over,
});

const render = (props: Parameters<typeof MediaHero>[0]) => renderToStaticMarkup(createElement(MediaHero, props));

/** 取 data-slot 标记的元素起始处之后的一段 HTML(足够断言其中的内容) */
const slotHtml = (html: string, slot: string) => {
  const i = html.indexOf(`data-slot="${slot}"`);
  return i < 0 ? null : html.slice(i, html.indexOf("</div>", i) + 6);
};

describe("MediaHero 头图", () => {
  it("有背景图:剧照层经图片代理、带渐隐材质,不再是深色圆角卡片;文字用常规前景色", () => {
    const html = render({ facts: facts() });
    expect(html).toContain('data-backdrop="image"');
    expect(html).toContain("media-hero-backdrop");
    expect(html).toContain('src="/api/v1/img/tmdb/w1280/severance-bg.jpg"');
    expect(html).not.toMatch(/bg-scrim|text-on-media|rounded-2xl/);
    expect(html).toContain("text-foreground");
  });

  it("没有背景图:退化为普通头部,不渲染剧照层和空的深色块", () => {
    const html = render({ facts: facts({ backdropPath: null }) });
    expect(html).toContain('data-backdrop="none"');
    expect(html).not.toContain("media-hero-backdrop");
    expect(html).not.toContain("w1280");
    expect(html).not.toMatch(/bg-scrim/);
    expect(html).toContain("人生切割术");
  });

  it("状态徽标(正常 / Emby 等)与播出状态在同一行", () => {
    const html = render({
      facts: facts(),
      badges: StatusBadge({ tone: "success", children: "正常" }),
    });
    const row = slotHtml(html, "media-hero-badges");
    expect(row).toContain("连载中");
    expect(row).toContain("正常");
  });

  it("操作按钮并进头图区、在外链之后;只有订阅是实心主操作,其余是描边次操作,没有棱镜描边", () => {
    const html = render({
      facts: facts(),
      actions: createElement(
        Fragment,
        null,
        createElement(Button, { variant: "solid", size: "sm" }, "订阅"),
        createElement(Button, { variant: "outline", size: "sm" }, "搜索资源"),
        createElement(Button, { variant: "outline", size: "sm" }, "查看订阅"),
      ),
    });
    const actions = slotHtml(html, "media-hero-actions");
    expect(actions).not.toBeNull();
    expect(html.indexOf('data-slot="media-hero-actions"')).toBeGreaterThan(html.indexOf("TMDB"));
    expect(actions!.match(/pill-solid/g)).toHaveLength(1);
    expect(actions!.match(/pill-secondary/g)).toHaveLength(2);
    expect(actions).not.toContain("pill-primary");
    expect(actions!.indexOf("pill-solid")).toBeLessThan(actions!.indexOf("订阅"));
  });

  it("没有操作时不渲染操作行;标语有值才显示", () => {
    const plain = render({ facts: facts() });
    expect(plain).not.toContain("media-hero-actions");
    expect(plain).not.toContain("media-hero-tagline");
    const tagged = render({ facts: facts({ tagline: "工作与生活,一刀两断" }) });
    expect(slotHtml(tagged, "media-hero-tagline")).toContain("工作与生活,一刀两断");
  });
});

describe("ClampText 折叠", () => {
  const long = "很长的简介。".repeat(60);

  it("超出行数:折叠成行尾渐隐 + 一个「展开」入口,不再另加省略号", () => {
    const html = renderToStaticMarkup(createElement(ClampText, { text: long, lines: 4 }));
    expect(html).toContain("clamp-fade");
    expect(html).toContain("--clamp-lines:4");
    expect(html).not.toContain("line-clamp");
    expect(html).not.toMatch(/…|\.\.\./);
    expect(html.match(/展开/g)).toHaveLength(1);
    expect(html).toContain('aria-expanded="false"');
  });

  it("放得下时不折叠、不给「展开」", () => {
    const html = renderToStaticMarkup(createElement(ClampText, { text: "短简介", lines: 4 }));
    expect(html).not.toContain("clamp-fade");
    expect(html).not.toContain("展开");
  });
});