OrangeTV/src/components/EpisodeSelector.tsx

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/* eslint-disable @next/next/no-img-element */
import { useRouter } from 'next/navigation';
import { Button, Chip, Spinner } from '@heroui/react';
import React, {
useCallback,
useEffect,
useMemo,
useRef,
useState,
} from 'react';
import { SearchResult } from '@/lib/types';
import { getVideoResolutionFromM3u8, processImageUrl } from '@/lib/utils';
// 定义视频信息类型
interface VideoInfo {
quality: string;
loadSpeed: string;
pingTime: number;
hasError?: boolean; // 添加错误状态标识
}
interface EpisodeSelectorProps {
/** 总集数 */
totalEpisodes: number;
/** 剧集标题 */
episodes_titles: string[];
/** 每页显示多少集,默认 50 */
episodesPerPage?: number;
/** 当前选中的集数1 开始) */
value?: number;
/** 用户点击选集后的回调 */
onChange?: (episodeNumber: number) => void;
/** 换源相关 */
onSourceChange?: (source: string, id: string, title: string) => void;
currentSource?: string;
currentId?: string;
videoTitle?: string;
videoYear?: string;
availableSources?: SearchResult[];
sourceSearchLoading?: boolean;
sourceSearchError?: string | null;
/** 预计算的测速结果,避免重复测速 */
precomputedVideoInfo?: Map<string, VideoInfo>;
}
/**
* 选集组件,支持分页、自动滚动聚焦当前分页标签,以及换源功能。
*/
const EpisodeSelector: React.FC<EpisodeSelectorProps> = ({
totalEpisodes,
episodes_titles,
episodesPerPage = 50,
value = 1,
onChange,
onSourceChange,
currentSource,
currentId,
videoTitle,
availableSources = [],
sourceSearchLoading = false,
sourceSearchError = null,
precomputedVideoInfo,
}) => {
const router = useRouter();
const pageCount = Math.ceil(totalEpisodes / episodesPerPage);
// 存储每个源的视频信息
const [videoInfoMap, setVideoInfoMap] = useState<Map<string, VideoInfo>>(
new Map()
);
const [attemptedSources, setAttemptedSources] = useState<Set<string>>(
new Set()
);
// 使用 ref 来避免闭包问题
const attemptedSourcesRef = useRef<Set<string>>(new Set());
const videoInfoMapRef = useRef<Map<string, VideoInfo>>(new Map());
// 同步状态到 ref
useEffect(() => {
attemptedSourcesRef.current = attemptedSources;
}, [attemptedSources]);
useEffect(() => {
videoInfoMapRef.current = videoInfoMap;
}, [videoInfoMap]);
// 主要的 tab 状态:'episodes' 或 'sources'
// 当只有一集时默认展示 "换源",并隐藏 "选集" 标签
const [activeTab, setActiveTab] = useState<'episodes' | 'sources'>(
totalEpisodes > 1 ? 'episodes' : 'sources'
);
// 当前分页索引0 开始)
const initialPage = Math.floor((value - 1) / episodesPerPage);
const [currentPage, setCurrentPage] = useState<number>(initialPage);
// 是否倒序显示
const [descending, setDescending] = useState<boolean>(false);
// 根据 descending 状态计算实际显示的分页索引
const displayPage = useMemo(() => {
if (descending) {
return pageCount - 1 - currentPage;
}
return currentPage;
}, [currentPage, descending, pageCount]);
// 获取视频信息的函数 - 移除 attemptedSources 依赖避免不必要的重新创建
const getVideoInfo = useCallback(async (source: SearchResult) => {
const sourceKey = `${source.source}-${source.id}`;
// 使用 ref 获取最新的状态,避免闭包问题
if (attemptedSourcesRef.current.has(sourceKey)) {
return;
}
// 获取第一集的URL
if (!source.episodes || source.episodes.length === 0) {
return;
}
const episodeUrl =
source.episodes.length > 1 ? source.episodes[1] : source.episodes[0];
// 标记为已尝试
setAttemptedSources((prev) => new Set(prev).add(sourceKey));
try {
const info = await getVideoResolutionFromM3u8(episodeUrl);
setVideoInfoMap((prev) => new Map(prev).set(sourceKey, info));
} catch (error) {
// 失败时保存错误状态,区分不同的错误类型
const errorMessage = error instanceof Error ? error.message : String(error);
const isNetworkRestricted = errorMessage.includes('Network access restricted') ||
errorMessage.includes('CORS') ||
errorMessage.includes('Forbidden');
// 只在开发环境下打印详细错误
if (process.env.NODE_ENV === 'development') {
console.warn(`Video info fetch failed for ${sourceKey}:`, errorMessage);
}
setVideoInfoMap((prev) =>
new Map(prev).set(sourceKey, {
quality: isNetworkRestricted ? '受限' : '未知',
loadSpeed: '未知',
pingTime: 0,
hasError: true,
})
);
}
}, []);
// 当有预计算结果时先合并到videoInfoMap中
useEffect(() => {
if (precomputedVideoInfo && precomputedVideoInfo.size > 0) {
// 原子性地更新两个状态,避免时序问题
setVideoInfoMap((prev) => {
const newMap = new Map(prev);
precomputedVideoInfo.forEach((value, key) => {
newMap.set(key, value);
});
return newMap;
});
setAttemptedSources((prev) => {
const newSet = new Set(prev);
precomputedVideoInfo.forEach((info, key) => {
if (!info.hasError) {
newSet.add(key);
}
});
return newSet;
});
// 同步更新 ref确保 getVideoInfo 能立即看到更新
precomputedVideoInfo.forEach((info, key) => {
if (!info.hasError) {
attemptedSourcesRef.current.add(key);
}
});
}
}, [precomputedVideoInfo]);
// 读取本地"优选和测速"开关,默认开启
const [optimizationEnabled] = useState<boolean>(() => {
if (typeof window !== 'undefined') {
const saved = localStorage.getItem('enableOptimization');
if (saved !== null) {
try {
return JSON.parse(saved);
} catch {
/* ignore */
}
}
}
return true;
});
// 当切换到换源tab并且有源数据时异步获取视频信息 - 移除 attemptedSources 依赖避免循环触发
useEffect(() => {
const fetchVideoInfosInBatches = async () => {
if (
!optimizationEnabled || // 若关闭测速则直接退出
activeTab !== 'sources' ||
availableSources.length === 0
)
return;
// 筛选出尚未测速的播放源
const pendingSources = availableSources.filter((source) => {
const sourceKey = `${source.source}-${source.id}`;
return !attemptedSourcesRef.current.has(sourceKey);
});
if (pendingSources.length === 0) return;
const batchSize = Math.ceil(pendingSources.length / 2);
for (let start = 0; start < pendingSources.length; start += batchSize) {
const batch = pendingSources.slice(start, start + batchSize);
await Promise.all(batch.map(getVideoInfo));
}
};
fetchVideoInfosInBatches();
// 依赖项保持与之前一致
}, [activeTab, availableSources, getVideoInfo, optimizationEnabled]);
// 升序分页标签
const categoriesAsc = useMemo(() => {
return Array.from({ length: pageCount }, (_, i) => {
const start = i * episodesPerPage + 1;
const end = Math.min(start + episodesPerPage - 1, totalEpisodes);
return { start, end };
});
}, [pageCount, episodesPerPage, totalEpisodes]);
// 根据 descending 状态决定分页标签的排序和内容
const categories = useMemo(() => {
if (descending) {
// 倒序时label 也倒序显示
return [...categoriesAsc]
.reverse()
.map(({ start, end }) => `${end}-${start}`);
}
return categoriesAsc.map(({ start, end }) => `${start}-${end}`);
}, [categoriesAsc, descending]);
const categoryContainerRef = useRef<HTMLDivElement>(null);
const buttonRefs = useRef<(HTMLButtonElement | null)[]>([]);
// 添加鼠标悬停状态管理
const [isCategoryHovered, setIsCategoryHovered] = useState(false);
// 阻止页面竖向滚动
const preventPageScroll = useCallback((e: WheelEvent) => {
if (isCategoryHovered) {
e.preventDefault();
}
}, [isCategoryHovered]);
// 处理滚轮事件,实现横向滚动
const handleWheel = useCallback((e: WheelEvent) => {
if (isCategoryHovered && categoryContainerRef.current) {
e.preventDefault(); // 阻止默认的竖向滚动
const container = categoryContainerRef.current;
const scrollAmount = e.deltaY * 2; // 调整滚动速度
// 根据滚轮方向进行横向滚动
container.scrollBy({
left: scrollAmount,
behavior: 'smooth'
});
}
}, [isCategoryHovered]);
// 添加全局wheel事件监听器
useEffect(() => {
if (isCategoryHovered) {
// 鼠标悬停时阻止页面滚动
document.addEventListener('wheel', preventPageScroll, { passive: false });
document.addEventListener('wheel', handleWheel, { passive: false });
} else {
// 鼠标离开时恢复页面滚动
document.removeEventListener('wheel', preventPageScroll);
document.removeEventListener('wheel', handleWheel);
}
return () => {
document.removeEventListener('wheel', preventPageScroll);
document.removeEventListener('wheel', handleWheel);
};
}, [isCategoryHovered, preventPageScroll, handleWheel]);
// 当分页切换时,将激活的分页标签滚动到视口中间
useEffect(() => {
const btn = buttonRefs.current[displayPage];
const container = categoryContainerRef.current;
if (btn && container) {
// 手动计算滚动位置,只滚动分页标签容器
const containerRect = container.getBoundingClientRect();
const btnRect = btn.getBoundingClientRect();
const scrollLeft = container.scrollLeft;
// 计算按钮相对于容器的位置
const btnLeft = btnRect.left - containerRect.left + scrollLeft;
const btnWidth = btnRect.width;
const containerWidth = containerRect.width;
// 计算目标滚动位置,使按钮居中
const targetScrollLeft = btnLeft - (containerWidth - btnWidth) / 2;
// 平滑滚动到目标位置
container.scrollTo({
left: targetScrollLeft,
behavior: 'smooth',
});
}
}, [displayPage, pageCount]);
// 处理换源tab点击只在点击时才搜索
const handleSourceTabClick = () => {
setActiveTab('sources');
};
const handleCategoryClick = useCallback(
(index: number) => {
if (descending) {
// 在倒序时,需要将显示索引转换为实际索引
setCurrentPage(pageCount - 1 - index);
} else {
setCurrentPage(index);
}
},
[descending, pageCount]
);
const handleEpisodeClick = useCallback(
(episodeNumber: number) => {
onChange?.(episodeNumber);
},
[onChange]
);
const handleSourceClick = useCallback(
(source: SearchResult) => {
onSourceChange?.(source.source, source.id, source.title);
},
[onSourceChange]
);
const currentStart = currentPage * episodesPerPage + 1;
const currentEnd = Math.min(
currentStart + episodesPerPage - 1,
totalEpisodes
);
return (
<div className='flex h-full flex-col overflow-hidden border-t border-border/70 px-4 py-0 md:ml-2'>
{/* 主要的 Tab 切换 - 无缝融入设计 */}
<div className='-mx-4 mb-2 flex flex-shrink-0 border-b border-border/70 px-4'>
{totalEpisodes > 1 && (
<div
onClick={() => setActiveTab('episodes')}
className={`flex-1 cursor-pointer border-b py-3 text-center text-[11px] font-medium uppercase tracking-[0.16em] transition-all duration-200
${activeTab === 'episodes'
? 'border-accent text-foreground'
: 'border-transparent text-muted hover:text-muted'
}
`.trim()}
>
</div>
)}
<div
onClick={handleSourceTabClick}
className={`flex-1 cursor-pointer border-b py-3 text-center text-[11px] font-medium uppercase tracking-[0.16em] transition-all duration-200
${activeTab === 'sources'
? 'border-accent text-foreground'
: 'border-transparent text-muted hover:text-muted'
}
`.trim()}
>
</div>
</div>
{/* 选集 Tab 内容 */}
{activeTab === 'episodes' && (
<>
{/* 分类标签 */}
<div className='-mx-4 mb-4 flex flex-shrink-0 items-center gap-4 border-b border-border/70 px-4'>
<div
className='flex-1 overflow-x-auto'
ref={categoryContainerRef}
onMouseEnter={() => setIsCategoryHovered(true)}
onMouseLeave={() => setIsCategoryHovered(false)}
>
<div className='flex gap-2 min-w-max'>
{categories.map((label, idx) => {
const isActive = idx === displayPage;
return (
<Button
key={label}
ref={(el) => {
buttonRefs.current[idx] = el;
}}
onPress={() => handleCategoryClick(idx)}
variant={isActive ? 'primary' : 'ghost'}
size='sm'
className='w-20 flex-shrink-0'
>
{label}
</Button>
);
})}
</div>
</div>
{/* 向上/向下按钮 */}
<Button
isIconOnly
size='sm'
variant='tertiary'
className='flex-shrink-0 translate-y-[-4px]'
onPress={() => {
// 切换集数排序(正序/倒序)
setDescending((prev) => !prev);
}}
>
<svg
className='w-4 h-4'
fill='none'
stroke='currentColor'
viewBox='0 0 24 24'
>
<path
strokeLinecap='round'
strokeLinejoin='round'
strokeWidth='2'
d='M7 16V4m0 0L3 8m4-4l4 4m6 0v12m0 0l4-4m-4 4l-4-4'
/>
</svg>
</Button>
</div>
{/* 集数网格 */}
<div className='content-start flex flex-1 flex-wrap gap-3 overflow-y-auto pb-4'>
{(() => {
const len = currentEnd - currentStart + 1;
const episodes = Array.from({ length: len }, (_, i) =>
descending ? currentEnd - i : currentStart + i
);
return episodes;
})().map((episodeNumber) => {
const isActive = episodeNumber === value;
return (
<Button
key={episodeNumber}
onPress={() => handleEpisodeClick(episodeNumber - 1)}
variant={isActive ? 'primary' : 'tertiary'}
size='sm'
className='min-w-10'
>
{(() => {
const title = episodes_titles?.[episodeNumber - 1];
if (!title) {
return episodeNumber;
}
// 如果匹配"第X集"、"第X话"、"X集"、"X话"格式,提取中间的数字
const match = title.match(/(?:第)?(\d+)(?:集|话)/);
if (match) {
return match[1];
}
return title;
})()}
</Button>
);
})}
</div>
</>
)}
{/* 换源 Tab 内容 */}
{activeTab === 'sources' && (
<div className='flex flex-col h-full mt-4'>
{sourceSearchLoading && (
<div className='flex items-center justify-center py-8'>
<Spinner size='sm' />
<span className='ml-3 text-xs uppercase tracking-[0.16em] text-muted'>
</span>
</div>
)}
{sourceSearchError && (
<div className='flex items-center justify-center py-8'>
<div className='text-center'>
<div className='mb-3 text-xs uppercase tracking-[0.16em] text-danger'>Source error</div>
<p className='text-sm text-danger'>
{sourceSearchError}
</p>
</div>
</div>
)}
{!sourceSearchLoading &&
!sourceSearchError &&
availableSources.length === 0 && (
<div className='flex items-center justify-center py-8'>
<div className='text-center'>
<div className='mb-3 text-xs uppercase tracking-[0.16em] text-muted'>No sources</div>
<p className='text-sm text-muted'>
</p>
</div>
</div>
)}
{!sourceSearchLoading &&
!sourceSearchError &&
availableSources.length > 0 && (
<div className='flex-1 overflow-y-auto space-y-2 pb-20'>
{availableSources
.sort((a, b) => {
const aIsCurrent =
a.source?.toString() === currentSource?.toString() &&
a.id?.toString() === currentId?.toString();
const bIsCurrent =
b.source?.toString() === currentSource?.toString() &&
b.id?.toString() === currentId?.toString();
if (aIsCurrent && !bIsCurrent) return -1;
if (!aIsCurrent && bIsCurrent) return 1;
return 0;
})
.map((source, index) => {
const isCurrentSource =
source.source?.toString() === currentSource?.toString() &&
source.id?.toString() === currentId?.toString();
return (
<div
key={`${source.source}-${source.id}`}
onClick={() =>
!isCurrentSource && handleSourceClick(source)
}
className={`relative flex select-none items-start gap-3 border-t px-2 py-3 transition-all duration-200
${isCurrentSource
? 'border-accent bg-accent/10'
: 'cursor-pointer border-border/70 hover:border-accent/30 hover:bg-surface/50'
}`.trim()}
>
{/* 封面 */}
<div className='h-20 w-12 flex-shrink-0 overflow-hidden border border-border/70 bg-surface/60'>
{source.episodes && source.episodes.length > 0 && (
<img
src={processImageUrl(source.poster)}
alt={source.title}
className='w-full h-full object-cover'
onError={(e) => {
const target = e.target as HTMLImageElement;
target.style.display = 'none';
}}
/>
)}
</div>
{/* 信息区域 */}
<div className='flex-1 min-w-0 flex flex-col justify-between h-20'>
{/* 标题和分辨率 - 顶部 */}
<div className='flex items-start justify-between gap-3 h-6'>
<div className='flex-1 min-w-0 relative group/title'>
<h3 className='truncate text-base font-medium leading-none text-foreground'>
{source.title}
</h3>
{/* 标题级别的 tooltip - 第一个元素不显示 */}
{index !== 0 && (
<div className='invisible pointer-events-none absolute bottom-full left-1/2 z-[500] mb-2 -translate-x-1/2 border border-border/70 bg-surface/95 px-3 py-1 text-xs text-foreground opacity-0 transition-all duration-200 ease-out delay-100 whitespace-nowrap group-hover/title:visible group-hover/title:opacity-100'>
{source.title}
<div className='absolute left-1/2 top-full h-2 w-px -translate-x-1/2 bg-border/70'></div>
</div>
)}
</div>
{(() => {
const sourceKey = `${source.source}-${source.id}`;
const videoInfo = videoInfoMap.get(sourceKey);
if (videoInfo && videoInfo.quality !== '未知') {
if (videoInfo.hasError) {
return (
<div className='min-w-[50px] flex-shrink-0 border border-border/70 px-1.5 py-0 text-center text-xs text-danger'>
</div>
);
} else {
// 根据分辨率设置不同颜色2K、4K为紫色1080p、720p为绿色其他为黄色
const isUltraHigh = ['4K', '2K'].includes(
videoInfo.quality
);
const isHigh = ['1080p', '720p'].includes(
videoInfo.quality
);
const textColorClasses = isUltraHigh
? 'text-accent'
: isHigh
? 'text-success'
: 'text-warning';
return (
<div
className={`min-w-[50px] flex-shrink-0 border border-border/70 px-1.5 py-0 text-center text-xs ${textColorClasses}`}
>
{videoInfo.quality}
</div>
);
}
}
return null;
})()}
</div>
{/* 源名称和集数信息 - 垂直居中 */}
<div className='flex items-center justify-between'>
<Chip size='sm' variant='secondary'>
<Chip.Label>{source.source_name}</Chip.Label>
</Chip>
{source.episodes.length > 1 && (
<span className='text-xs text-gray-500 dark:text-gray-400 font-medium'>
{source.episodes.length}
</span>
)}
</div>
{/* 网络信息 - 底部 */}
<div className='flex items-end h-6'>
{(() => {
const sourceKey = `${source.source}-${source.id}`;
const videoInfo = videoInfoMap.get(sourceKey);
if (videoInfo) {
if (!videoInfo.hasError) {
return (
<div className='flex items-end gap-3 text-xs'>
<Chip size='sm' color='accent' variant='soft'>
<Chip.Label>{videoInfo.loadSpeed}</Chip.Label>
</Chip>
<Chip size='sm' color='warning' variant='soft'>
<Chip.Label>{videoInfo.pingTime}ms</Chip.Label>
</Chip>
</div>
);
} else {
return (
<div className='text-red-500/90 dark:text-red-400 font-medium text-xs'>
</div>
); // 占位div
}
}
})()}
</div>
</div>
</div>
);
})}
<div className='flex-shrink-0 mt-auto pt-2 border-t border-gray-400 dark:border-gray-700'>
<Button
variant='tertiary'
fullWidth
onPress={() => {
if (videoTitle) {
router.push(
`/search?q=${encodeURIComponent(videoTitle)}`
);
}
}}
>
</Button>
</div>
</div>
)}
</div>
)}
</div>
);
};
export default EpisodeSelector;