#!/usr/bin/env python3

from __future__ import annotations

import json
import re
import sys
import webbrowser
from html import escape
from pathlib import Path

_REPOSITORY_ROOT_DIRECTORY = Path(__file__).resolve().parent.parent.parent
_NOTE_DETAIL_OUTPUT_ROOT_DIRECTORY = _REPOSITORY_ROOT_DIRECTORY / "output" / "note-detail"
_NOTE_OUTPUT_ROOT_DIRECTORY = _REPOSITORY_ROOT_DIRECTORY / "output" / "note"
_PREVIEW_HTML_OUTPUT_FILE_PATH = _NOTE_DETAIL_OUTPUT_ROOT_DIRECTORY / "preview-note-detail.html"
_PREVIEW_HTML_DOCUMENT_PAGE_TITLE_VISIBLE_TEXT = "小红书笔记预览"


def _natural_sort_detail_image_file_path_list(
    detail_note_images_directory_path: Path,
) -> list[Path]:
    if not detail_note_images_directory_path.is_dir():
        return []
    pattern = re.compile(r"detail_note_image_(\d+)", re.IGNORECASE)
    candidates: list[tuple[tuple[int, ...], Path]] = []
    for image_file_path in detail_note_images_directory_path.iterdir():
        if not image_file_path.is_file():
            continue
        match = pattern.search(image_file_path.name)
        key = (int(match.group(1)),) if match else (0, image_file_path.name)
        candidates.append((key, image_file_path))
    candidates.sort(key=lambda item: item[0])
    return [path for _key, path in candidates]


def _read_note_detail_title_text(note_detail_sequence_directory_path: Path) -> str:
    note_detail_title_file_path = note_detail_sequence_directory_path / "note_detail_title.txt"
    if not note_detail_title_file_path.is_file():
        return ""
    return note_detail_title_file_path.read_text(encoding="utf-8").strip()


def _read_note_detail_body_metadata_dictionary(
    note_detail_sequence_directory_path: Path,
) -> dict[str, object]:
    note_detail_body_json_file_path = note_detail_sequence_directory_path / "note_detail_body.json"
    if not note_detail_body_json_file_path.is_file():
        return {}
    return json.loads(note_detail_body_json_file_path.read_text(encoding="utf-8"))


def _read_note_card_metadata_dictionary(
    note_output_sequence_directory_path: Path,
) -> dict[str, object]:
    note_card_metadata_json_file_path = note_output_sequence_directory_path / "note_card_metadata.json"
    if not note_card_metadata_json_file_path.is_file():
        return {}
    return json.loads(note_card_metadata_json_file_path.read_text(encoding="utf-8"))


def _build_html_document_fragment_for_one_note_detail_sequence(
    note_detail_sequence_directory_path: Path,
    note_detail_sequence_directory_name: str,
    note_card_metadata_dictionary: dict[str, object],
) -> str:
    title_text = _read_note_detail_title_text(note_detail_sequence_directory_path)
    body_metadata_dictionary = _read_note_detail_body_metadata_dictionary(
        note_detail_sequence_directory_path,
    )
    detail_body_plain_text = str(
        body_metadata_dictionary.get("detail_body_plain_text") or "",
    )
    detail_body_hashtag_object_list: list[object] = list(
        body_metadata_dictionary.get("detail_body_hashtag_list") or [],
    )
    detail_body_emoji_image_url_list: list[object] = list(
        body_metadata_dictionary.get("detail_body_emoji_image_url_list") or [],
    )
    card_note_title_text = str(note_card_metadata_dictionary.get("note_title") or "").strip()
    author_name_text = str(note_card_metadata_dictionary.get("author_name") or "").strip()
    publish_time_text = str(note_card_metadata_dictionary.get("publish_time") or "").strip()
    likes_count_text = str(note_card_metadata_dictionary.get("likes_count") or "").strip()
    display_title_text = title_text if title_text else card_note_title_text
    detail_note_images_directory_path = (
        note_detail_sequence_directory_path / "detail_note_images"
    )
    image_file_path_list = _natural_sort_detail_image_file_path_list(
        detail_note_images_directory_path,
    )
    image_relative_path_string_list: list[str] = []
    for image_file_path in image_file_path_list:
        relative_path = Path(note_detail_sequence_directory_name) / "detail_note_images" / image_file_path.name
        image_relative_path_string_list.append(
            relative_path.as_posix(),
        )
    display_title_html = escape(display_title_text) if display_title_text else ""
    author_name_html = escape(author_name_text) if author_name_text else ""
    publish_time_html = escape(publish_time_text) if publish_time_text else ""
    likes_count_html = escape(likes_count_text) if likes_count_text else ""
    hashtag_link_html_fragment_list: list[str] = []
    for hashtag_object in detail_body_hashtag_object_list:
        if not isinstance(hashtag_object, dict):
            continue
        display_text = str(hashtag_object.get("display_text") or "").strip()
        relative_href = str(hashtag_object.get("relative_href") or "").strip()
        if not display_text:
            continue
        if relative_href.startswith("/"):
            full_href = f"https://www.xiaohongshu.com{relative_href}"
        elif relative_href.startswith("http"):
            full_href = relative_href
        else:
            full_href = relative_href
        hashtag_link_html_fragment_list.append(
            f'<a class="hashtag" href="{escape(full_href, quote=True)}">{escape(display_text)}</a>',
        )
    body_html = ""
    if detail_body_plain_text.strip():
        body_html = (
            f'<div class="note-detail-plain-body">{escape(detail_body_plain_text)}</div>'
        )
    hashtag_section_html = ""
    if not detail_body_plain_text.strip() and hashtag_link_html_fragment_list:
        hashtag_section_html = (
            '<div class="hashtag-row">'
            + " ".join(hashtag_link_html_fragment_list)
            + "</div>"
        )
    emoji_row_html_fragment_list: list[str] = []
    for emoji_image_url_object in detail_body_emoji_image_url_list:
        emoji_url = str(emoji_image_url_object or "").strip()
        if not emoji_url.startswith("http"):
            continue
        emoji_row_html_fragment_list.append(
            f'<img class="inline-emoji" src="{escape(emoji_url, quote=True)}" alt="" />',
        )
    emoji_section_html = ""
    if emoji_row_html_fragment_list:
        emoji_section_html = (
            '<div class="emoji-row">' + "".join(emoji_row_html_fragment_list) + "</div>"
        )
    carousel_slide_html_fragment_list: list[str] = []
    for image_relative_path_string in image_relative_path_string_list:
        carousel_slide_html_fragment_list.append(
            '<div class="carousel-slide">'
            f'<img src="{escape(image_relative_path_string, quote=True)}" alt="" />'
            "</div>",
        )
    has_local_detail_image_file_for_carousel = bool(carousel_slide_html_fragment_list)
    slides_inner_html = "".join(carousel_slide_html_fragment_list)
    slide_count_integer = len(carousel_slide_html_fragment_list)
    article_id_attribute_value = escape(note_detail_sequence_directory_name, quote=True)
    meta_heading_block_html = ""
    if author_name_html:
        meta_heading_block_html += (
            f'<div class="meta-author-row"><span class="meta-author-name">{author_name_html}</span></div>'
        )
    if display_title_html:
        meta_heading_block_html += f'<h1 class="meta-detail-title">{display_title_html}</h1>'
    stats_row_html_fragment_list: list[str] = []
    if likes_count_html:
        stats_row_html_fragment_list.append(
            f'<span class="meta-stat-item"><span class="meta-stat-label">赞</span>'
            f'<span class="meta-stat-value">{likes_count_html}</span></span>',
        )
    if publish_time_html:
        stats_row_html_fragment_list.append(
            f'<span class="meta-stat-item meta-publish-time">{publish_time_html}</span>',
        )
    stats_row_html = ""
    if stats_row_html_fragment_list:
        stats_row_html = (
            '<div class="meta-stats-row">' + "".join(stats_row_html_fragment_list) + "</div>"
        )
    meta_body_inner_html_fragment_list: list[str] = []
    if body_html:
        meta_body_inner_html_fragment_list.append(body_html)
    if emoji_section_html:
        meta_body_inner_html_fragment_list.append(emoji_section_html)
    if hashtag_section_html:
        meta_body_inner_html_fragment_list.append(hashtag_section_html)
    meta_body_block_html = ""
    if meta_body_inner_html_fragment_list:
        meta_body_block_html = (
            '<div class="meta-body-block">'
            + "".join(meta_body_inner_html_fragment_list)
            + "</div>"
        )
    note_detail_carousel_column_html = ""
    if has_local_detail_image_file_for_carousel:
        carousel_dot_button_html_fragment_list: list[str] = []
        for carousel_dot_zero_based_index in range(slide_count_integer):
            carousel_dot_active_css_class_suffix = (
                " is-active" if carousel_dot_zero_based_index == 0 else ""
            )
            carousel_dot_button_html_fragment_list.append(
                '<button type="button" class="carousel-dot'
                + carousel_dot_active_css_class_suffix
                + '" data-carousel-dot-index="'
                + str(carousel_dot_zero_based_index)
                + '" aria-label="第 '
                + str(carousel_dot_zero_based_index + 1)
                + ' 张"></button>',
            )
        carousel_dots_inner_html = "".join(carousel_dot_button_html_fragment_list)
        carousel_counter_text_initial = f"1/{slide_count_integer}"
        note_detail_carousel_column_html = f"""<div class="note-detail-carousel-column">
<div class="carousel-stage">
<div class="carousel-scroll-viewport" data-carousel-viewport tabindex="0" aria-label="笔记图片，可横向滑动或滚轮翻页">
<div class="carousel-track">
{slides_inner_html}
</div>
</div>
<div class="carousel-counter-pill" data-carousel-counter>{carousel_counter_text_initial}</div>
<div class="carousel-dots" data-carousel-dots>
{carousel_dots_inner_html}
</div>
</div>
</div>"""
    meta_card_inner_html = (
        meta_heading_block_html + stats_row_html + meta_body_block_html
    )
    shell_modifier_class_list: list[str] = []
    if not has_local_detail_image_file_for_carousel:
        shell_modifier_class_list.append("note-detail-shell--no-carousel")
    if has_local_detail_image_file_for_carousel and not meta_card_inner_html.strip():
        shell_modifier_class_list.append("note-detail-shell--carousel-only")
    if not has_local_detail_image_file_for_carousel and meta_card_inner_html.strip():
        shell_modifier_class_list.append("note-detail-shell--meta-only")
    shell_modifier_class_html = (
        " " + " ".join(shell_modifier_class_list) if shell_modifier_class_list else ""
    )
    note_detail_meta_column_html = ""
    if meta_card_inner_html.strip():
        note_detail_meta_column_html = f"""<div class="note-detail-meta-column">
<div class="meta-card">
{meta_card_inner_html}
</div>
</div>"""
    if not note_detail_carousel_column_html and not note_detail_meta_column_html:
        return f"""<article class="note-detail-shell note-detail-shell--empty{shell_modifier_class_html}" id="note-detail-{article_id_attribute_value}"></article>"""
    return f"""<article class="note-detail-shell{shell_modifier_class_html}" id="note-detail-{article_id_attribute_value}">
{note_detail_carousel_column_html}
{note_detail_meta_column_html}
</article>"""


def _build_full_html_document_string(
    note_detail_sequence_directory_path_list: list[Path],
    note_card_metadata_by_sequence_name_dictionary: dict[str, dict[str, object]],
) -> str:
    fragment_list: list[str] = []
    for note_detail_sequence_directory_path in note_detail_sequence_directory_path_list:
        sequence_name = note_detail_sequence_directory_path.name
        note_card_metadata_dictionary = note_card_metadata_by_sequence_name_dictionary.get(
            sequence_name,
            {},
        )
        fragment_list.append(
            _build_html_document_fragment_for_one_note_detail_sequence(
                note_detail_sequence_directory_path,
                sequence_name,
                note_card_metadata_dictionary,
            ),
        )
    inner = "\n".join(fragment_list)
    page_title_escaped = escape(_PREVIEW_HTML_DOCUMENT_PAGE_TITLE_VISIBLE_TEXT)
    stylesheet = """
:root {
  color-scheme: light dark;
  --xhs-red: #ff2442;
  --xhs-red-soft: rgba(255, 36, 66, 0.12);
  --panel-bg: #fff;
  --page-bg-top: #f8f6f7;
  --page-bg-bottom: #eef0f5;
  --text: #1a1a1a;
  --muted: rgba(0,0,0,0.48);
  --radius-lg: 18px;
  --shadow-card: 0 4px 24px rgba(15, 23, 42, 0.08), 0 1px 3px rgba(15, 23, 42, 0.04);
  --shadow-card-hover: 0 8px 32px rgba(15, 23, 42, 0.1);
}
* { box-sizing: border-box; }
html {
  width: 100vw;
  height: 100vh;
  max-width: 100vw;
  max-height: 100vh;
  overflow: hidden;
}
body {
  margin: 0;
  width: 100vw;
  height: 100vh;
  max-width: 100vw;
  max-height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--text);
  background: linear-gradient(168deg, var(--page-bg-top) 0%, var(--page-bg-bottom) 55%, #e6e9f0 100%);
  background-attachment: fixed;
  letter-spacing: 0.01em;
}
.preview-page-header {
  flex: 0 0 auto;
  width: min(1080px, 100vw);
  max-width: 100%;
  margin: 0 auto;
  padding: clamp(12px, 2.8vh, 28px) clamp(16px, 2.5vw, 20px) clamp(6px, 1vh, 8px);
}
.preview-page-header-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}
.preview-page-title {
  margin: 0;
  font-size: clamp(1.35rem, 3.5vw, 1.65rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.25;
  display: flex;
  align-items: center;
  gap: 12px;
}
.preview-page-title-mark {
  display: inline-block;
  width: 4px;
  height: 1.15em;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--xhs-red) 0%, #ff6b6b 100%);
  flex-shrink: 0;
}
.preview-page-title-text {
  background: linear-gradient(90deg, #1a1a1a 0%, #3d3d3d 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
@media (prefers-color-scheme: dark) {
  .preview-page-title-text {
    background: linear-gradient(90deg, #f5f5f7 0%, #d1d1d6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}
.preview-main {
  flex: 1 1 auto;
  min-height: 0;
  width: min(1080px, 100vw);
  max-width: 100%;
  margin: 0 auto;
  padding: clamp(8px, 1.2vh, 12px) clamp(12px, 2vw, 16px) clamp(10px, 1.5vh, 16px);
  display: flex;
  flex-direction: column;
  gap: clamp(8px, 1.2vh, 12px);
  overflow: hidden;
}
.note-detail-shell {
  display: flex; flex-wrap: wrap; align-items: stretch; gap: 0;
  flex: 1 1 auto;
  min-height: 0;
  background: var(--panel-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(0,0,0,0.04);
  margin-bottom: 0;
  transition: box-shadow 0.25s ease;
}
.note-detail-shell:hover {
  box-shadow: var(--shadow-card-hover);
}
.note-detail-shell--no-carousel { min-height: unset; }
.note-detail-shell--meta-only .note-detail-meta-column {
  flex: 1 1 100%; max-width: 100%;
}
.note-detail-shell--carousel-only .note-detail-carousel-column {
  flex: 1 1 100%; max-width: 100%;
}
.note-detail-shell--empty {
  min-height: 0; margin-bottom: 12px; box-shadow: none; background: transparent;
}
.note-detail-carousel-column {
  flex: 1 1 340px; min-width: min(100%, 340px);
  min-height: 0;
  background: linear-gradient(180deg, #121212 0%, #0a0a0a 100%);
  display: flex; flex-direction: column;
}
.carousel-stage {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.carousel-scroll-viewport {
  flex: 1; overflow-x: auto; overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  outline: none;
  touch-action: pan-x;
}
.carousel-scroll-viewport::-webkit-scrollbar { display: none; width: 0; height: 0; }
.carousel-scroll-viewport:focus-visible { box-shadow: inset 0 0 0 2px var(--xhs-red); }
.carousel-track { display: flex; flex-direction: row; height: 100%; min-height: 0; }
.carousel-counter-pill {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: #fff;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(6px);
  pointer-events: none;
  line-height: 1.35;
}
.carousel-dots {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 7px;
  max-width: calc(100% - 24px);
  pointer-events: auto;
}
.carousel-dot {
  width: 6px;
  height: 6px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.38);
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.2s ease, background 0.2s ease;
}
.carousel-dot:hover { background: rgba(255, 255, 255, 0.65); }
.carousel-dot.is-active {
  background: #fff;
  transform: scale(1.2);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.15);
}
.carousel-slide {
  flex: 0 0 100%; scroll-snap-align: start; scroll-snap-stop: always;
  display: flex; align-items: center; justify-content: center;
  box-sizing: border-box; padding: 8px;
  min-height: 100%;
  align-self: stretch;
}
.carousel-slide img {
  max-width: 100%; max-height: 100%; width: auto; height: auto;
  object-fit: contain; vertical-align: middle; border-radius: 4px;
}
.note-detail-meta-column {
  flex: 1 1 300px; min-width: min(100%, 280px); max-width: 100%;
  min-height: 0;
  box-sizing: border-box;
  overflow-y: auto;
  scrollbar-gutter: stable;
}
.meta-card {
  padding: clamp(16px, 2.2vh, 24px) clamp(16px, 2.5vw, 24px) clamp(18px, 2.5vh, 28px);
}
.meta-author-row { margin-bottom: 12px; }
.meta-author-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}
.meta-detail-title {
  font-size: clamp(17px, 2.5vw, 20px);
  font-weight: 600;
  margin: 0 0 16px;
  line-height: 1.45;
  letter-spacing: 0.02em;
}
.meta-stats-row {
  display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px;
  margin-bottom: 18px; padding-bottom: 18px;
  border-bottom: 1px solid rgba(0,0,0,0.07);
  font-size: 13px; color: var(--muted);
}
.meta-stat-item { display: inline-flex; align-items: baseline; gap: 5px; }
.meta-stat-label { opacity: 0.72; font-size: 12px; }
.meta-stat-value {
  color: var(--text);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.note-detail-plain-body {
  white-space: pre-wrap; word-break: break-word;
  line-height: 1.75;
  font-size: 15px;
  color: rgba(0,0,0,0.88);
}
.hashtag-row { margin-top: 14px; line-height: 1.9; }
a.hashtag { color: #13386c; text-decoration: none; margin-right: 8px; }
a.hashtag:hover { text-decoration: underline; }
.emoji-row { margin-top: 8px; }
img.inline-emoji { height: 1.15em; vertical-align: -0.2em; }
@media (prefers-color-scheme: dark) {
  :root {
    --panel-bg: #2c2c2e;
    --page-bg-top: #1c1c1f;
    --page-bg-bottom: #121214;
    --text: #f2f2f7;
    --muted: rgba(255,255,255,0.48);
    --shadow-card: 0 4px 28px rgba(0,0,0,0.35);
    --shadow-card-hover: 0 8px 36px rgba(0,0,0,0.45);
  }
  body {
    background: linear-gradient(168deg, var(--page-bg-top) 0%, var(--page-bg-bottom) 100%);
  }
  a.hashtag { color: #8ab4ff; }
  .meta-stats-row { border-bottom-color: rgba(255,255,255,0.1); }
  .note-detail-plain-body { color: rgba(255,255,255,0.88); }
  .note-detail-shell { border-color: rgba(255,255,255,0.06); }
}
@media (max-width: 720px) {
  .preview-page-header { padding: clamp(10px, 2.5vh, 20px) clamp(12px, 4vw, 16px) 4px; }
  .note-detail-shell { flex-direction: column; }
  .note-detail-carousel-column { min-height: min(42vh, 40%); }
  .carousel-counter-pill { top: 8px; right: 8px; font-size: 11px; padding: 3px 8px; }
  .carousel-dots { bottom: 10px; gap: 6px; }
}
"""
    carousel_script = """
(function () {
  var carouselAutoAdvanceMilliseconds = 4000;
  function carouselViewportCurrentSlideZeroBasedIndex(carouselViewportElement, slideCount) {
    var w = carouselViewportElement.clientWidth;
    if (w <= 0) return 0;
    var i = Math.round(carouselViewportElement.scrollLeft / w);
    if (i < 0) i = 0;
    if (i >= slideCount) i = slideCount - 1;
    return i;
  }
  function carouselViewportScrollToSlideZeroBasedIndex(carouselViewportElement, slideZeroBasedIndex, slideCount) {
    var w = carouselViewportElement.clientWidth;
    if (w <= 0) return;
    if (slideZeroBasedIndex < 0) slideZeroBasedIndex = 0;
    if (slideZeroBasedIndex >= slideCount) slideZeroBasedIndex = slideCount - 1;
    carouselViewportElement.scrollTo({ left: slideZeroBasedIndex * w, behavior: "smooth" });
  }
  function syncCarouselDotsAndCounterFromScroll(carouselViewportElement) {
    var stage = carouselViewportElement.closest(".carousel-stage");
    var track = carouselViewportElement.querySelector(".carousel-track");
    var slides = track ? track.querySelectorAll(".carousel-slide") : [];
    var slideCount = slides.length;
    if (!stage || !slideCount) return;
    var counter = stage.querySelector("[data-carousel-counter]");
    var dotNodeList = stage.querySelectorAll("[data-carousel-dot-index]");
    var activeIndex = carouselViewportCurrentSlideZeroBasedIndex(carouselViewportElement, slideCount);
    if (counter) {
      counter.textContent = (activeIndex + 1) + "/" + slideCount;
    }
    dotNodeList.forEach(function (dotElement) {
      var dotIndex = parseInt(dotElement.getAttribute("data-carousel-dot-index"), 10);
      if (dotIndex === activeIndex) {
        dotElement.classList.add("is-active");
      } else {
        dotElement.classList.remove("is-active");
      }
    });
  }
  function clearCarouselAutoAdvanceTimer(carouselViewportElement) {
    var timerId = carouselViewportElement.__carouselAutoAdvanceIntervalId;
    if (timerId) {
      clearInterval(timerId);
      carouselViewportElement.__carouselAutoAdvanceIntervalId = null;
    }
  }
  function startCarouselAutoAdvanceIfMultipleSlides(carouselViewportElement) {
    clearCarouselAutoAdvanceTimer(carouselViewportElement);
    var track = carouselViewportElement.querySelector(".carousel-track");
    var slides = track ? track.querySelectorAll(".carousel-slide") : [];
    if (slides.length <= 1) return;
    carouselViewportElement.__carouselAutoAdvanceIntervalId = setInterval(function () {
      var slideCount = slides.length;
      var w = carouselViewportElement.clientWidth;
      if (w <= 0) return;
      var currentIndex = carouselViewportCurrentSlideZeroBasedIndex(carouselViewportElement, slideCount);
      var nextIndex = (currentIndex + 1) % slideCount;
      carouselViewportElement.scrollTo({ left: nextIndex * w, behavior: "smooth" });
    }, carouselAutoAdvanceMilliseconds);
  }
  function bindCarouselViewport(carouselViewportElement) {
    var stage = carouselViewportElement.closest(".carousel-stage");
    var track = carouselViewportElement.querySelector(".carousel-track");
    var slides = track ? track.querySelectorAll(".carousel-slide") : [];
    var slideCount = slides.length;
    carouselViewportElement.addEventListener("scroll", function () {
      syncCarouselDotsAndCounterFromScroll(carouselViewportElement);
    });
    carouselViewportElement.addEventListener("wheel", function (wheelEvent) {
      if (Math.abs(wheelEvent.deltaY) <= Math.abs(wheelEvent.deltaX)) return;
      wheelEvent.preventDefault();
      carouselViewportElement.scrollLeft += wheelEvent.deltaY;
    }, { passive: false });
    if (stage) {
      stage.addEventListener("mouseenter", function () {
        clearCarouselAutoAdvanceTimer(carouselViewportElement);
      });
      stage.addEventListener("mouseleave", function () {
        startCarouselAutoAdvanceIfMultipleSlides(carouselViewportElement);
      });
    }
    if (stage) {
      stage.querySelectorAll("[data-carousel-dot-index]").forEach(function (dotElement) {
        dotElement.addEventListener("click", function () {
          var targetIndex = parseInt(dotElement.getAttribute("data-carousel-dot-index"), 10);
          carouselViewportScrollToSlideZeroBasedIndex(carouselViewportElement, targetIndex, slideCount);
          clearCarouselAutoAdvanceTimer(carouselViewportElement);
          startCarouselAutoAdvanceIfMultipleSlides(carouselViewportElement);
        });
      });
    }
    syncCarouselDotsAndCounterFromScroll(carouselViewportElement);
    startCarouselAutoAdvanceIfMultipleSlides(carouselViewportElement);
  }
  document.querySelectorAll("[data-carousel-viewport]").forEach(bindCarouselViewport);
  window.addEventListener("resize", function () {
    document.querySelectorAll("[data-carousel-viewport]").forEach(function (carouselViewportElement) {
      syncCarouselDotsAndCounterFromScroll(carouselViewportElement);
    });
  });
})();
"""
    return f"""<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>{page_title_escaped}</title>
<style>{stylesheet}</style>
</head>
<body>
<header class="preview-page-header">
<div class="preview-page-header-inner">
<h1 class="preview-page-title"><span class="preview-page-title-mark" aria-hidden="true"></span><span class="preview-page-title-text">{page_title_escaped}</span></h1>
</div>
</header>
<main class="preview-main">
{inner}
</main>
<script>{carousel_script}</script>
</body>
</html>
"""


def _collect_note_detail_sequence_directory_path_list(
    only_sequence_name: str | None,
) -> list[Path]:
    if not _NOTE_DETAIL_OUTPUT_ROOT_DIRECTORY.is_dir():
        return []
    result: list[Path] = []
    for child_path in sorted(
        _NOTE_DETAIL_OUTPUT_ROOT_DIRECTORY.iterdir(),
        key=lambda p: p.name,
    ):
        if not child_path.is_dir():
            continue
        if only_sequence_name is not None and child_path.name != only_sequence_name:
            continue
        result.append(child_path)
    return result


def _build_note_card_metadata_by_sequence_name_dictionary(
    sequence_name_list: list[str],
) -> dict[str, dict[str, object]]:
    result_dictionary: dict[str, dict[str, object]] = {}
    for sequence_name in sequence_name_list:
        note_output_sequence_directory_path = _NOTE_OUTPUT_ROOT_DIRECTORY / sequence_name
        result_dictionary[sequence_name] = _read_note_card_metadata_dictionary(
            note_output_sequence_directory_path,
        )
    return result_dictionary


def start(command_line_argument_strings: list[str] | None = None) -> int:
    arguments = (
        command_line_argument_strings
        if command_line_argument_strings is not None
        else sys.argv[1:]
    )
    only_sequence_name: str | None = arguments[0].strip() if arguments else None
    if only_sequence_name == "":
        only_sequence_name = None
    note_detail_sequence_directory_path_list = _collect_note_detail_sequence_directory_path_list(
        only_sequence_name,
    )
    sequence_name_list = [p.name for p in note_detail_sequence_directory_path_list]
    note_card_metadata_by_sequence_name_dictionary = (
        _build_note_card_metadata_by_sequence_name_dictionary(sequence_name_list)
    )
    html_document_string = _build_full_html_document_string(
        note_detail_sequence_directory_path_list,
        note_card_metadata_by_sequence_name_dictionary,
    )
    _PREVIEW_HTML_OUTPUT_FILE_PATH.parent.mkdir(parents=True, exist_ok=True)
    _PREVIEW_HTML_OUTPUT_FILE_PATH.write_text(
        html_document_string,
        encoding="utf-8",
    )
    preview_html_file_uri_string = _PREVIEW_HTML_OUTPUT_FILE_PATH.resolve().as_uri()
    webbrowser.open(preview_html_file_uri_string)
    return 0


def main() -> int:
    return start()


__all__ = ["start", "main", "_NOTE_DETAIL_OUTPUT_ROOT_DIRECTORY"]

if __name__ == "__main__":
    raise SystemExit(main())