UHD_Media_Tool/packages/contracts/src/search.ts

import { z } from "zod";
import { Id, NonNegInt, Timestamp } from "./common.ts";
import { MediaCredit, MediaEntityStatus, MediaKind } from "./content.ts";
import { ManualAcquisitionRequest } from "./execution.ts";
import { InventoryEntry, MediaServerInventory, SlotStatusCounts } from "./organization.ts";
import { FacetCount, QuickFilterParam, ReleaseQuickFacets } from "./release-facets.ts";

export { FacetCount, QuickFilterParam, ReleaseQuickFacets } from "./release-facets.ts";

// 全局搜索(W9-G,对标 MP 顶栏搜索 + 资源搜索页):
// GET /search 聚合本地作品 / TMDB 候选 / 跨站资源 / 页面与操作;GET /search/releases 是资源结果页(筛选/排序/游标,复用同一缓存)。
// SEARCH-2 两阶段:先查作品并与库存对比(scope=all 不再查站点),需要时再按作品显式搜资源(站点可选);
// 仅 TMDB 的作品详情走 GET /media/tmdb/{type}/{id}。

export const SearchScope = z.enum(["all", "media", "releases", "actions"]);
export type SearchScope = z.infer<typeof SearchScope>;

export const SearchQuery = z.object({
  q: z.string().trim().min(1).max(200),
  /** all = 作品 + 操作(不查站点);资源只在 scope=releases 或 /search/releases 显式查询(最慢一站可达 15s) */
  scope: SearchScope.default("all"),
  /** 每组最多返回条数 */
  limit: z.coerce.number().int().min(1).max(50).default(10),
});
export type SearchQuery = z.infer<typeof SearchQuery>;

// ── 本地作品 ──

export const LocalMediaHit = z.object({
  entity: z.object({
    id: Id,
    kind: MediaKind,
    title: z.string(),
    originalTitle: z.string().nullable(),
    year: z.number().int().nullable(),
    status: MediaEntityStatus,
  }),
  /** 0–1;精确命中 1,名称前缀 ≥ 0.9,其余为 trgm 相似度 */
  score: z.number(),
  matchedBy: z.enum(["exact", "prefix", "similar"]),
  /** 命中的别名原文(可能是译名/原名/别名) */
  matchedAlias: z.string().nullable(),
  /** 收录版本状态摘要 + 库存 */
  slotCounts: SlotStatusCounts,
  versionCount: NonNegInt,
  downloadingCount: NonNegInt,
  subscribed: z.boolean(),
});
export type LocalMediaHit = z.infer<typeof LocalMediaHit>;

export const TmdbCandidate = z.object({
  provider: z.literal("tmdb"),
  entityType: z.enum(["movie", "tv"]),
  externalId: z.string(),
  title: z.string(),
  originalTitle: z.string().nullable(),
  year: z.number().int().nullable(),
  overview: z.string().nullable(),
  popularity: z.number().nullable(),
  /** TMDB poster_path;前端经图片代理显示海报 */
  posterPath: z.string().nullable().optional(),
  /** 已有本地作品接受了这个 TMDB 身份时给出(跟随合并跳转),前端显示"查看"而不是"订阅" */
  localEntityId: Id.nullable(),
});
export type TmdbCandidate = z.infer<typeof TmdbCandidate>;

// ── 跨站资源 ──

export const SearchReleaseParsed = z.object({
  titleCn: z.string().nullable(),
  titleEn: z.string().nullable(),
  year: z.number().int().nullable(),
  season: z.number().int().nullable(),
  /** 多季合集的最后一季(S01-S03 = 3);单季 / 电影为 null */
  seasonEnd: z.number().int().nullable().optional(),
  episodes: z.object({ start: z.number().int(), end: z.number().int() }).nullable(),
  resolution: z.string().nullable(),
  source: z.string().nullable(),
  videoCodec: z.string().nullable(),
  hdr: z.array(z.string()),
  releaseGroup: z.string().nullable(),
  /** 音轨(`TrueHD`、`Atmos 7.1`…,SEARCH-4 快速筛选用);空 = 标题没写 */
  audio: z.array(z.string()).optional(),
  /** 字幕语言 zh / zh-Hans / zh-Hant / en / ja / ko;null = 标题没写 */
  subtitles: z.array(z.string()).nullable().optional(),
  /** 配音语言 cmn 国语 / yue 粤语 / en 英语;null = 标题没写 */
  audioLangs: z.array(z.string()).nullable().optional(),
  bitDepth: z.number().int().nullable().optional(),
  fps: z.number().nullable().optional(),
  /** 剪辑版(加长版、导演剪辑版…) */
  cut: z.string().nullable().optional(),
});
export type SearchReleaseParsed = z.infer<typeof SearchReleaseParsed>;

/**
 * 库存叠加状态(只在关联到作品时给出):
 * downloading 有下载中任务 > gap 有未满足的收录版本 > owned 已有版本 > subscribed 只有订阅 > none 作品已登记但无库存/目标
 */
export const SearchInventoryState = z.enum(["downloading", "gap", "owned", "subscribed", "none"]);
export type SearchInventoryState = z.infer<typeof SearchInventoryState>;

export const SearchReleaseInventory = InventoryEntry.extend({
  state: SearchInventoryState,
});
export type SearchReleaseInventory = z.infer<typeof SearchReleaseInventory>;

/**
 * 规则判定(只在关联到本地作品、且作品的收录版本配置了条件或规则组时给出):
 * 按收录版本的评估口径(硬条件 + 规则组链 + 阶梯)判断这条资源,多个收录版本时取最好的一个。
 */
export const SearchRuleVerdict = z.object({
  slotId: Id,
  slotName: z.string(),
  /** 作品共有几个收录版本参与判定;>1 时界面写出收录版本名 */
  slotCount: z.number().int().positive(),
  /** hit = 满足;miss = 不满足;unknown = 标题缺少判定需要的字段 */
  outcome: z.enum(["hit", "miss", "unknown"]),
  /** 命中的档位(1 起);没有分档或未命中为 null */
  tier: z.number().int().positive().nullable(),
  /** 档位名(规则组名·第 N 层 / 阶梯层名) */
  tierName: z.string().nullable(),
  /** 不满足(或缺字段)的维度:分辨率 / 来源 / 编码 / HDR / 字幕 / 体积 / 制作组 / 关键字 / 规则组…,去重 */
  failed: z.array(z.string()),
  /** 逐条说明(悬停提示) */
  details: z.array(z.string()),
  /**
   * 与库里该收录版本当前版本相比:higher / same / lower;steps = 相差几档(按档位比较时给出)。
   * 没有当前版本或无法比较时为 null。
   */
  vsLibrary: z
    .object({ cmp: z.enum(["higher", "same", "lower"]), steps: z.number().int().nonnegative().nullable() })
    .nullable(),
});
export type SearchRuleVerdict = z.infer<typeof SearchRuleVerdict>;

export const SearchRelease = z.object({
  /** `${siteId}:${siteReleaseId}`,前端列表 key */
  key: z.string(),
  /** 结果已写入资源表(source_release)的 ID;站点工作台 / 下载 / 委托 Agent 用它 */
  sourceReleaseId: Id.nullable(),
  siteId: Id,
  siteName: z.string(),
  siteReleaseId: z.string(),
  title: z.string(),
  subtitle: z.string().nullable(),
  category: z.object({ id: z.string().nullable(), name: z.string().nullable() }),
  sizeBytes: NonNegInt.nullable(),
  seeders: z.number().int().nullable(),
  leechers: z.number().int().nullable(),
  snatched: z.number().int().nullable(),
  promotion: z.object({
    type: z.string(),
    downloadFactor: z.number().nullable(),
    uploadFactor: z.number().nullable(),
    expiresAt: Timestamp.nullable(),
  }),
  /** 下载计量为 0(免费 / 2x 免费) */
  free: z.boolean(),
  /** H&R 三态;unknown 在清理判定中按有义务处理 */
  hr: z.union([z.boolean(), z.literal("unknown")]),
  uploadedAt: Timestamp.nullable(),
  /** 不含凭证的详情页 */
  detailUrl: z.string(),
  observedAt: Timestamp,
  parsed: SearchReleaseParsed,
  mediaEntityId: Id.nullable(),
  /** resolved = 资源已识别到作品;alias = 解析出的标题精确命中唯一作品别名(未确认) */
  entityMatch: z.enum(["resolved", "alias"]).nullable(),
  entity: z.object({ id: Id, title: z.string(), year: z.number().int().nullable(), kind: MediaKind }).nullable(),
  /** 库存叠加;candidateReasons 只保留针对本条资源的评估 */
  inventory: SearchReleaseInventory.nullable(),
  /** 与本地作品收录规则的关系;没关联作品或没有规则时为 null */
  ruleVerdict: SearchRuleVerdict.nullable(),
});
export type SearchRelease = z.infer<typeof SearchRelease>;

export const SearchSiteStatus = z.enum(["ok", "failed", "timeout", "skipped"]);
export type SearchSiteStatus = z.infer<typeof SearchSiteStatus>;

export const SearchSiteCoverage = z.object({
  siteId: Id,
  siteName: z.string(),
  status: SearchSiteStatus,
  count: NonNegInt,
  tookMs: NonNegInt,
  /** 失败/超时/跳过原因(已脱敏) */
  error: z.string().nullable(),
});
export type SearchSiteCoverage = z.infer<typeof SearchSiteCoverage>;

/** 跨站搜索的覆盖信息:部分站点失败不影响其它站点结果 */
export const SearchReleaseCoverage = z.object({
  /** 有站点失败/超时 */
  partial: z.boolean(),
  sites: z.array(SearchSiteCoverage),
  failedSites: z.array(SearchSiteCoverage),
  /** 命中 30s 短缓存 */
  cached: z.boolean(),
  /** 与同时进行的相同搜索合并(没有重复请求站点) */
  coalesced: z.boolean(),
  /** 站点结果抓取时间 */
  fetchedAt: Timestamp,
});
export type SearchReleaseCoverage = z.infer<typeof SearchReleaseCoverage>;

// ── 页面与操作跳转(命令面板) ──

export const SearchAction = z.object({
  id: z.string(),
  kind: z.enum(["page", "action"]),
  /** 分组(导航一级分类):概览 / 资源 / 订阅 / 整理 / 系统 */
  group: z.string(),
  title: z.string(),
  /** 控制台内相对路径 */
  href: z.string(),
  keywords: z.array(z.string()),
});
export type SearchAction = z.infer<typeof SearchAction>;

export const SearchGroupBase = z.object({ tookMs: NonNegInt });

// ── 作品(本地 + TMDB 合并去重,本地优先)与库存对比 ──

/**
 * 库内状态:not_collected 未收录(本地没有这部作品)> tracked 已建档但没有入库版本 > owned 已有版本 > downloading 正在下载。
 * 只看本地账本;Emby 另查 GET /inventory/media-servers(未知 ≠ 缺失)。
 */
export const WorkInventoryState = z.enum(["not_collected", "tracked", "owned", "downloading"]);
export type WorkInventoryState = z.infer<typeof WorkInventoryState>;

export const WorkInventory = z.object({
  state: WorkInventoryState,
  subscribed: z.boolean(),
  /** 已入库版本数(主视频资产) */
  versionCount: NonNegInt,
  downloadingCount: NonNegInt,
  /** 收录版本:总数 / 已满足 */
  slotTotal: NonNegInt,
  slotSatisfied: NonNegInt,
  /** 未满足的收录版本(empty / attention / upgrade_pending) */
  missing: z.array(z.object({ slotId: Id, name: z.string() })),
});
export type WorkInventory = z.infer<typeof WorkInventory>;

export const SearchWork = z.object({
  /** local:<作品 ID> 或 tmdb:<movie|tv>:<TMDB ID> */
  key: z.string(),
  source: z.enum(["local", "tmdb"]),
  kind: MediaKind,
  title: z.string(),
  originalTitle: z.string().nullable(),
  year: z.number().int().nullable(),
  /** 简介摘要(≤ 300 字) */
  overview: z.string().nullable(),
  posterPath: z.string().nullable(),
  /** 本地作品 ID(合并过的跟到最终作品);null = 未收录 */
  localEntityId: Id.nullable(),
  tmdb: z.object({ entityType: z.enum(["movie", "tv"]), externalId: z.string() }).nullable(),
  inventory: WorkInventory,
});
export type SearchWork = z.infer<typeof SearchWork>;

export const SearchResponse = z.object({
  q: z.string(),
  scope: SearchScope,
  media: z
    .object({
      local: SearchGroupBase.extend({ items: z.array(LocalMediaHit) }),
      tmdb: SearchGroupBase.extend({
        items: z.array(TmdbCandidate),
        /** 未配置 TMDB 时为 false(不是"没有结果") */
        configured: z.boolean(),
        error: z.string().nullable(),
      }),
      /** 本地 + TMDB 合并去重(同一 TMDB 身份只出现一次,本地在前),带库存对比 */
      works: z.array(SearchWork),
    })
    .nullable(),
  releases: SearchGroupBase.extend({
    items: z.array(SearchRelease),
    /** 全部站点结果条数(items 只取前 limit 条,完整列表走 /search/releases) */
    total: NonNegInt,
  })
    .extend(SearchReleaseCoverage.shape)
    .nullable(),
  actions: SearchGroupBase.extend({ items: z.array(SearchAction) }).nullable(),
  tookMs: NonNegInt,
});
export type SearchResponse = z.infer<typeof SearchResponse>;

// ── 资源结果页 ──

const csv = z.string().max(4000).optional();
const bool = z.enum(["true", "false"]).optional();

export const ReleaseSearchSort = z.enum(["default", "seeders", "size", "uploadedAt", "site"]);
export type ReleaseSearchSort = z.infer<typeof ReleaseSearchSort>;

export const ReleaseSearchQuery = z.object({
  /** 关键词;按作品搜时可省略,由服务端按作品生成查询词 */
  q: z.string().trim().min(1).max(200).optional(),
  /** 按本地作品搜:用作品名 / 原名 / 年份生成查询词 */
  entityId: Id.optional(),
  /** 按 TMDB 条目搜:`movie:157336` / `tv:1399` */
  tmdb: z
    .string()
    .regex(/^(movie|tv):\d{1,12}$/)
    .optional(),
  /** 逗号分隔的站点 ID:只查这些站点;省略时按 settings.search.defaultSiteMode */
  sites: csv,
  /** 逗号分隔的站点 ID:只筛选结果(仍查 sites 里的全部站点,分面计数不变) */
  siteFilter: csv,
  /** 逗号分隔的解析原值:2160p,1080p…(旧参数;快速筛选用 qf) */
  resolution: csv,
  /** 逗号分隔的解析原值:REMUX,WEB-DL,BluRay…(旧参数;快速筛选用 qf) */
  source: csv,
  /** 快速筛选(SEARCH-3):`维度:值,值;维度:值`,同维度 OR、不同维度 AND,见 ReleaseQuickFacets */
  qf: QuickFilterParam,
  /** 字节 */
  minSize: z.coerce.number().int().nonnegative().optional(),
  maxSize: z.coerce.number().int().nonnegative().optional(),
  /** true 只要免费;false 排除免费 */
  free: bool,
  /** true 只要 H&R;false 排除明确 H&R 的(unknown 保留) */
  hr: bool,
  /** default = 做种数降序、同分按发布时间新→旧 */
  sort: ReleaseSearchSort.default("default"),
  order: z.enum(["asc", "desc"]).default("desc"),
  /** true 跳过 30s 缓存重新查站点(仍会合并并发) */
  refresh: bool,
  cursor: z.string().min(1).optional(),
  limit: z.coerce.number().int().min(1).max(200).default(50),
});
export type ReleaseSearchQuery = z.infer<typeof ReleaseSearchQuery>;

export const ReleaseSearchPage = z
  .object({
    q: z.string(),
    /** 实际发给站点的查询词(按作品搜时由服务端生成,每个站点每个词查一次) */
    queries: z.array(z.string()).optional(),
    items: z.array(SearchRelease),
    nextCursor: z.string().nullable(),
    /** 筛选后的条数 */
    total: NonNegInt,
    /** 未筛选的全部条数(按作品搜时只算属于这部作品的) */
    unfilteredTotal: NonNegInt,
    /**
     * 按作品搜(entityId / tmdb)时判定不属于这部作品的资源(对照 MP match_torrent:识别到别的作品,
     * 或名字、类型、年份、季集对不上);不参与筛选与分面,只在第一页给出(最多 200 条)。关键词搜索没有这两项
     */
    unmatched: z.array(SearchRelease).optional(),
    unmatchedTotal: NonNegInt.optional(),
    /**
     * sites / resolutions / sources:旧的筛选项计数(基于未筛选的全部结果);
     * 其余为快速筛选分面(SEARCH-3,在其它筛选条件之后、按其它维度的已选条件计数)
     */
    facets: ReleaseQuickFacets.extend({
      sites: z.array(FacetCount),
      resolutions: z.array(FacetCount),
      sources: z.array(FacetCount),
    }),
    tookMs: NonNegInt,
  })
  .extend(SearchReleaseCoverage.shape);
export type ReleaseSearchPage = z.infer<typeof ReleaseSearchPage>;

export const SearchReleaseParams = z.object({ siteId: Id, siteReleaseId: z.string().min(1).max(200) });
export type SearchReleaseParams = z.infer<typeof SearchReleaseParams>;

/** 从搜索结果直接下载:与 POST /acquisition-plans 同一请求体,资源由路径定位 */
export const SearchReleasePlanRequest = ManualAcquisitionRequest.omit({ sourceReleaseId: true });
export type SearchReleasePlanRequest = z.infer<typeof SearchReleasePlanRequest>;

// ── 仅 TMDB 作品的详情(SEARCH-2) ──

export const TmdbMediaParams = z.object({
  type: z.enum(["movie", "tv"]),
  id: z.string().regex(/^\d{1,12}$/),
});
export type TmdbMediaParams = z.infer<typeof TmdbMediaParams>;

export const TmdbMediaQuery = z.object({
  /** mediaServers = 同时转调 GET /inventory/media-servers(最慢约 8s) */
  include: z.enum(["mediaServers"]).optional(),
});
export type TmdbMediaQuery = z.infer<typeof TmdbMediaQuery>;

export const TmdbMediaSeason = z.object({
  seasonNumber: z.number().int(),
  episodeCount: NonNegInt,
  name: z.string().nullable(),
  airDate: z.string().nullable(),
  /** 本地已入库的集数(整季资产按全季计);未收录为 null */
  localHave: NonNegInt.nullable(),
  overview: z.string().nullable().optional(),
  posterPath: z.string().nullable().optional(),
});
export type TmdbMediaSeason = z.infer<typeof TmdbMediaSeason>;

export const TmdbMediaDetail = z.object({
  provider: z.literal("tmdb"),
  entityType: z.enum(["movie", "tv"]),
  externalId: z.string(),
  kind: MediaKind,
  title: z.string(),
  originalTitle: z.string().nullable(),
  originalLanguage: z.string().nullable(),
  year: z.number().int().nullable(),
  releaseDate: z.string().nullable(),
  overview: z.string().nullable(),
  posterPath: z.string().nullable(),
  backdropPath: z.string().nullable(),
  originCountry: z.array(z.string()),
  /** 别名 / 译名(最多 20 个) */
  aliases: z.array(z.string()),
  externalIds: z.object({ imdb: z.string().nullable(), tvdb: z.string().nullable() }),
  seasons: z.array(TmdbMediaSeason),
  /** 已建档:本地作品 ID(跟随合并) */
  localEntityId: Id.nullable(),
  /** 本地库存对比;未收录时 state = not_collected */
  inventory: WorkInventory,
  /** include=mediaServers 时给出;未知 ≠ 缺失 */
  mediaServers: MediaServerInventory.nullable(),
  /** 搜资源时服务端会用的查询词 */
  queries: z.array(z.string()),
  // MD-1:按语言回退链取的详情字段(媒体详情页与媒体库详情共用展示)
  /** 中文名:回退链中第一个中文值(zh-CN 优先);没有为 null */
  titleZh: z.string().nullable().optional(),
  tagline: z.string().nullable().optional(),
  genres: z.array(z.string()).optional(),
  voteAverage: z.number().nullable().optional(),
  voteCount: z.number().int().nullable().optional(),
  /** TMDB status 原文(Returning Series / Ended / Released …) */
  airStatus: z.string().nullable().optional(),
  /** 分钟:电影片长;剧集为单集时长 */
  runtime: z.number().int().nullable().optional(),
  episodeCount: z.number().int().nullable().optional(),
  lastAirDate: z.string().nullable().optional(),
  platform: z.string().nullable().optional(),
  cast: z.array(MediaCredit).optional(),
  crew: z.array(MediaCredit).optional(),
});
export type TmdbMediaDetail = z.infer<typeof TmdbMediaDetail>;

/** 一集的 TMDB 信息(标题 / 简介按语言回退链,language 记实际取到的语言) */
export const MediaEpisodeInfo = z.object({
  seasonNumber: z.number().int(),
  episodeNumber: z.number().int(),
  name: z.string().nullable(),
  nameLanguage: z.string().nullable(),
  overview: z.string().nullable(),
  overviewLanguage: z.string().nullable(),
  airDate: z.string().nullable(),
  runtime: z.number().int().nullable(),
  stillPath: z.string().nullable(),
  voteAverage: z.number().nullable(),
  voteCount: z.number().int().nullable(),
});
export type MediaEpisodeInfo = z.infer<typeof MediaEpisodeInfo>;

export const TmdbSeasonParams = z.object({
  id: z.string().regex(/^\d{1,12}$/),
  season: z.coerce.number().int().min(0).max(999),
});
export type TmdbSeasonParams = z.infer<typeof TmdbSeasonParams>;

/** GET /media/tmdb/tv/{id}/season/{season}:季详情与集列表(仅 TMDB 作品详情页按季展开时拉取) */
export const TmdbSeasonDetailView = z.object({
  tvId: z.string(),
  seasonNumber: z.number().int(),
  name: z.string().nullable(),
  overview: z.string().nullable(),
  airDate: z.string().nullable(),
  posterPath: z.string().nullable(),
  episodes: z.array(MediaEpisodeInfo),
});
export type TmdbSeasonDetailView = z.infer<typeof TmdbSeasonDetailView>;