import {
  ContentUnit,
  ContentUnitUpdate,
  CursorQuery,
  cursorPage,
  Decision,
  DecisionKind,
  DecisionResolveInput,
  DecisionStatus,
  ExternalIdentity,
  ExternalIdentityCreate,
  ExternalIdentityUpdate,
  FeedHealth,
  FeedSource,
  FeedSourceCreate,
  FeedSourceUpdate,
  Id,
  IdentityRevision,
  IdentityStatus,
  IdParam,
  MediaEntity,
  MediaEntityCreate,
  MediaEntityMerge,
  MediaEntityStatus,
  MediaEntityUpdate,
  MediaKind,
  Observation,
  ObservationStatus,
  OkResult,
  ResolutionStatus,
  Site,
  SiteAccount,
  SiteAccountCreate,
  SiteAccountUpdate,
  SiteCreate,
  SiteListItem,
  SiteListQuery,
  SiteUpdate,
  SourceRelease,
  TitleAlias,
  TitleAliasCreate,
} from "@umt/contracts";
import { z } from "zod";

// 与 contracts Api(crud())同路径、同 scope 的端点定义,但保留具体 schema 类型供路由推断入参。
// scope:读 = read;写 = admin(站点/Feed 配置)或 organize.execute(身份纠错、待处理)。

const list = <R extends z.ZodType, F extends z.ZodRawShape>(
  path: string,
  summary: string,
  row: R,
  filters: F,
  tags: string[],
) => ({
  method: "get" as const,
  path,
  scope: "read" as const,
  summary,
  tags,
  query: CursorQuery.extend(filters),
  response: cursorPage(row),
});
const get = <R extends z.ZodType>(path: string, summary: string, row: R, tags: string[]) => ({
  method: "get" as const,
  path,
  scope: "read" as const,
  summary,
  tags,
  params: IdParam,
  response: row,
});
const write = <M extends "post" | "patch" | "delete", B extends z.ZodType | undefined, R extends z.ZodType>(
  method: M,
  path: string,
  scope: "admin" | "organize.execute",
  summary: string,
  body: B,
  response: R,
  tags: string[],
  withId = true,
) => ({
  method,
  path,
  scope,
  summary,
  tags,
  ...(withId ? { params: IdParam } : {}),
  body: body as B,
  response,
});

const TS = ["sites"];
const TF = ["feed-sources"];
const TR = ["source-releases"];
const TE = ["media-entities"];
const TI = ["identity"];
const TD = ["decisions"];

export const DecisionMinSeverity = z.enum(["info", "warning", "critical"]);

export const D = {
  sites: {
    list: {
      method: "get" as const,
      path: "/sites",
      scope: "read" as const,
      summary: "站点列表（include=accounts 附带账号与整体账号状态）",
      tags: TS,
      query: SiteListQuery,
      response: cursorPage(SiteListItem),
    },
    get: get("/sites/{id}", "站点详情", Site, TS),
    create: {
      method: "post" as const,
      path: "/sites",
      scope: "admin" as const,
      summary: "登记站点",
      tags: TS,
      body: SiteCreate,
      response: Site,
    },
    update: write("patch", "/sites/{id}", "admin", "修改站点（启停、快照周期、限流、代理）", SiteUpdate, Site, TS),
  },
  siteAccounts: {
    list: list("/site-accounts", "站点账号列表", SiteAccount, { siteId: Id.optional() }, TS),
    get: get("/site-accounts/{id}", "站点账号详情", SiteAccount, TS),
    create: {
      method: "post" as const,
      path: "/site-accounts",
      scope: "admin" as const,
      summary: "新建站点账号（凭证只写，存为 secret）",
      tags: TS,
      body: SiteAccountCreate,
      response: SiteAccount,
    },
    update: write(
      "patch",
      "/site-accounts/{id}",
      "admin",
      "修改站点账号 / 轮换凭证",
      SiteAccountUpdate,
      SiteAccount,
      TS,
    ),
  },
  feedSources: {
    list: list("/feed-sources", "Feed 列表", FeedSource, { siteId: Id.optional(), health: FeedHealth.optional() }, TF),
    get: get("/feed-sources/{id}", "Feed 详情", FeedSource, TF),
    create: {
      method: "post" as const,
      path: "/feed-sources",
      scope: "admin" as const,
      summary: "新建 Feed（url 只写，存为 secret；对外只给脱敏 URL）",
      tags: TF,
      body: FeedSourceCreate,
      response: FeedSource,
    },
    update: write("patch", "/feed-sources/{id}", "admin", "修改 Feed", FeedSourceUpdate, FeedSource, TF),
    fetchNow: write(
      "post",
      "/feed-sources/{id}/fetch",
      "admin",
      "立即抓取（仍受站点限流）",
      undefined,
      z.object({ taskId: Id }),
      TF,
    ),
  },
  sourceReleases: {
    list: list(
      "/source-releases",
      "资源列表",
      SourceRelease,
      {
        siteId: Id.optional(),
        mediaEntityId: Id.optional(),
        resolutionStatus: ResolutionStatus.optional(),
        q: z.string().max(200).optional(),
      },
      TR,
    ),
    get: get("/source-releases/{id}", "资源详情", SourceRelease, TR),
  },
  observations: {
    list: list(
      "/observations",
      "观察列表",
      Observation,
      { feedId: Id.optional(), status: ObservationStatus.optional() },
      TR,
    ),
    get: get("/observations/{id}", "观察详情", Observation, TR),
  },
  mediaEntities: {
    list: list(
      "/media-entities",
      "作品列表",
      MediaEntity,
      { kind: MediaKind.optional(), status: MediaEntityStatus.optional(), q: z.string().max(200).optional() },
      TE,
    ),
    get: get("/media-entities/{id}", "作品(旧 ID 自动跳转)", MediaEntity, TE),
    create: {
      method: "post" as const,
      path: "/media-entities",
      scope: "organize.execute" as const,
      summary: "手动建本地作品（TMDB 无记录时可先建档）",
      tags: TE,
      body: MediaEntityCreate,
      response: MediaEntity,
    },
    update: write(
      "patch",
      "/media-entities/{id}",
      "organize.execute",
      "修改作品（标题/原名/年份按字段覆盖并锁定）",
      MediaEntityUpdate,
      MediaEntity,
      TE,
    ),
    merge: write(
      "post",
      "/media-entities/{id}/merge",
      "organize.execute",
      "合并重复作品（保留旧 ID 跳转）",
      MediaEntityMerge,
      MediaEntity,
      TE,
    ),
  },
  contentUnits: {
    list: list(
      "/content-units",
      "内容单元列表",
      ContentUnit,
      { mediaEntityId: Id.optional(), seasonNumber: z.coerce.number().int().optional() },
      TE,
    ),
    get: get("/content-units/{id}", "内容单元详情", ContentUnit, TE),
    update: write(
      "patch",
      "/content-units/{id}",
      "organize.execute",
      "修改内容单元（改编号即确认并锁定）",
      ContentUnitUpdate,
      ContentUnit,
      TE,
    ),
  },
  titleAliases: {
    list: list(
      "/title-aliases",
      "别名列表",
      TitleAlias,
      { mediaEntityId: Id.optional(), q: z.string().max(200).optional() },
      TI,
    ),
    get: get("/title-aliases/{id}", "别名详情", TitleAlias, TI),
    create: write("post", "/title-aliases", "organize.execute", "新增别名", TitleAliasCreate, TitleAlias, TI, false),
    remove: write("delete", "/title-aliases/{id}", "organize.execute", "删除别名", undefined, OkResult, TI),
  },
  externalIdentities: {
    list: list(
      "/external-identities",
      "外部身份列表",
      ExternalIdentity,
      { mediaEntityId: Id.optional(), provider: z.string().optional(), status: IdentityStatus.optional() },
      TI,
    ),
    get: get("/external-identities/{id}", "外部身份详情", ExternalIdentity, TI),
    create: write(
      "post",
      "/external-identities",
      "organize.execute",
      "新增外部身份（accepted 等同人工纠错）",
      ExternalIdentityCreate,
      ExternalIdentity,
      TI,
      false,
    ),
    update: write(
      "patch",
      "/external-identities/{id}",
      "organize.execute",
      "修订外部身份（乐观并发）",
      ExternalIdentityUpdate,
      ExternalIdentity,
      TI,
    ),
    revisions: get(
      "/external-identities/{id}/revisions",
      "身份修订历史",
      z.object({ items: z.array(IdentityRevision) }),
      TI,
    ),
  },
  decisions: {
    list: list(
      "/decisions",
      "待处理事项（缺省只列未关闭）",
      Decision,
      {
        status: DecisionStatus.optional(),
        kind: DecisionKind.optional(),
        /** 只看不低于此级别的事项;收件箱缺省传 warning 隐藏"仅信息"类 */
        minSeverity: DecisionMinSeverity.optional(),
      },
      TD,
    ),
    get: get("/decisions/{id}", "待处理事项详情", Decision, TD),
    resolve: write(
      "post",
      "/decisions/{id}/resolve",
      "organize.execute",
      "处理待处理事项",
      DecisionResolveInput,
      Decision,
      TD,
    ),
  },
};