// 端点定义共用的 helper 与跨分组 schema(由 api.ts 汇总导出公开部分)
import { z } from "zod";
import * as agent from "../agent.ts";
import { type ApiScope, CursorQuery, cursorPage, Id, IdParam } from "../common.ts";
import * as content from "../content.ts";
import * as identity from "../identity.ts";
import * as instances from "../instances.ts";
// 所有 REST 端点的路径常量与请求/响应 schema 汇总。
// path 相对 API_PREFIX,参数用 OpenAPI 风格 `{id}`(server 的 createRoute 直接使用);
// web 用 buildPath() 填参数。响应体统一套 apiResponse() 信封,这里的 response 是 data 部分。

export const API_PREFIX = "/api/v1";

export type HttpMethod = "get" | "post" | "patch" | "put" | "delete";

/**
 * 鉴权方式(不写即按 scope 校验,cookie 会话与 API Key 同样适用):
 * - public:免鉴权(必须与服务端 http/auth.ts 的 PUBLIC_AUTH_PATHS 一致,测试断言);
 * - session:只接受控制台管理员 cookie 会话,API Key(含 admin scope)一律 403。
 */
export type EndpointAuth = "public" | "session";

export interface EndpointDef {
  method: HttpMethod;
  path: string;
  scope: ApiScope;
  auth?: EndpointAuth;
  summary: string;
  params?: z.ZodObject;
  query?: z.ZodType;
  body?: z.ZodType;
  response: z.ZodType;
}

export const ep = <E extends EndpointDef>(e: E): E => e;

/** 列表查询:游标分页 + 资源自有过滤 */
export const listQuery = <S extends z.ZodRawShape>(filters: S) => CursorQuery.extend(filters);

/** 删除/无内容动作的响应 */
export const OkResult = z.object({ ok: z.literal(true) });

export interface CrudSchemas {
  row: z.ZodType;
  create?: z.ZodType;
  update?: z.ZodType;
  filters?: z.ZodRawShape;
}

/** 标准资源端点:list / get / create / update / remove(按给出的 schema 决定是否生成) */
export function crud<const B extends string>(
  base: B,
  name: string,
  s: CrudSchemas,
  scopes: { read: ApiScope; write: ApiScope },
) {
  const item = `${base}/{id}` as const;
  return {
    list: ep({
      method: "get",
      path: base,
      scope: scopes.read,
      summary: `${name}列表`,
      query: listQuery(s.filters ?? {}),
      response: cursorPage(s.row),
    }),
    get: ep({
      method: "get",
      path: item,
      scope: scopes.read,
      summary: `${name}详情`,
      params: IdParam,
      response: s.row,
    }),
    ...(s.create
      ? {
          create: ep({
            method: "post",
            path: base,
            scope: scopes.write,
            summary: `新建${name}`,
            body: s.create,
            response: s.row,
          }),
        }
      : {}),
    ...(s.update
      ? {
          update: ep({
            method: "patch",
            path: item,
            scope: scopes.write,
            summary: `修改${name}`,
            params: IdParam,
            body: s.update,
            response: s.row,
          }),
        }
      : {}),
  };
}

export const R = { read: "read", write: "admin" } as const;

export const del = (path: string, summary: string) =>
  ep({ method: "delete", path, scope: "admin", summary, params: IdParam, response: OkResult });

/** 实例连通性测试 */
export const instanceTest = (path: string, summary: string) =>
  ep({ method: "post", path, scope: "admin", summary, params: IdParam, response: instances.InstanceTestResult });

/** 入队后台任务的受理结果(taskId = 引擎 run id) */
export const TaskAccepted = z.object({ taskId: Id });
export type TaskAccepted = z.infer<typeof TaskAccepted>;

/** 人工指定来源资源身份的结果(待识别池 assign / source-releases identity) */
export const ReleaseIdentityResult = z.object({ mediaEntityId: Id, contentUnitIds: z.array(Id) });
export type ReleaseIdentityResult = z.infer<typeof ReleaseIdentityResult>;

/** 身份修订历史 */
export const IdentityRevisionList = z.object({ items: z.array(identity.IdentityRevision) });
export type IdentityRevisionList = z.infer<typeof IdentityRevisionList>;

/** 字段覆盖/取消覆盖的结果 */
export const FieldOverrideResult = z.object({
  mediaEntityId: Id,
  changedFields: z.array(z.string()),
  lockedFields: z.array(z.string()),
});
export const FieldParam = z.object({ id: Id, field: content.EntityMetadataField });
export const UnitFieldParam = z.object({ id: Id, field: content.UnitMetadataField });
export const UnitFieldOverrideResult = z.object({
  contentUnitId: Id,
  changedFields: z.array(z.string()),
  lockedFields: z.array(z.string()),
});

/** 引擎 run id 不是 uuid(openworkflow 自有 id) */
export const EngineRunIdParam = z.object({ id: z.string().min(1).max(200) });

/** 待处理事项聚合分组 */
export const DecisionSummaryGroup = z.object({
  kind: agent.DecisionKind,
  mediaEntityId: Id.nullable(),
  mediaEntityTitle: z.string().nullable(),
  count: z.number().int(),
  maxSeverity: z.enum(["info", "warning", "critical"]),
  latestAt: z.string(),
});
export type DecisionSummaryGroup = z.infer<typeof DecisionSummaryGroup>;
export const DecisionSummary = z.object({ total: z.number().int(), groups: z.array(DecisionSummaryGroup) });
export type DecisionSummary = z.infer<typeof DecisionSummary>;