/**
 * 站点定义加载与校验。
 * - `*.json`:由 scripts/mp-sync/movieclaw-import.mjs 从 MovieClaw v0.27.0(MIT,见 NOTICE-MovieClaw.md)转换,
 *   手工覆盖层在 scripts/mp-sync/movieclaw-overrides/;不要直接手改 JSON(重跑脚本会覆盖)。
 * - 加载时一律经 zod schema(./schema.ts)校验,失败即抛错。
 */
import type { MteamDefinition } from "../mteam/definition.ts";
import type { IndexerDefinition } from "../spider/schema.ts";
import type { SpecializedSiteDefinition } from "../spiders/types.ts";
import { MOVIECLAW_DEFINITION_JSON } from "./manifest.generated.ts";
import { parseIndexerDefinition, parseMteamDefinition, parseSpecializedSiteDefinition } from "./schema.ts";

export type SiteDefinition = IndexerDefinition | MteamDefinition | SpecializedSiteDefinition;

/** 按 `umt.kind` 分派校验 */
export function loadSiteDefinition(json: unknown): SiteDefinition {
  const kind = (json as { umt?: { kind?: unknown } } | null)?.umt?.kind;
  if (kind === "mteam") return parseMteamDefinition(json);
  if (kind === "nexusphp") return parseIndexerDefinition(json);
  if (kind === "api") return parseSpecializedSiteDefinition(json);
  throw new Error(`站点定义 ${(json as { id?: unknown })?.id ?? "<unknown>"} 的 umt.kind 未知:${String(kind)}`);
}

/** 兼容 W1-3b 导出名:NexusPHP 定义校验 */
export function loadIndexerDefinition(json: unknown): IndexerDefinition {
  return parseIndexerDefinition(json);
}

/** 随产品发布的全部定义(已校验),键为站点 id */
export const BUILTIN_SITE_DEFINITIONS: Readonly<Record<string, SiteDefinition>> = Object.freeze(
  Object.fromEntries(Object.entries(MOVIECLAW_DEFINITION_JSON).map(([id, json]) => [id, loadSiteDefinition(json)])),
);

export const audiencesDefinition = BUILTIN_SITE_DEFINITIONS.audiences as IndexerDefinition;
export const hhanclubDefinition = BUILTIN_SITE_DEFINITIONS.hhanclub as IndexerDefinition;
export const chdbitsDefinition = BUILTIN_SITE_DEFINITIONS.chdbits as IndexerDefinition;

export {
  DefinitionProvenanceSchema,
  IndexerDefinitionSchema,
  MteamDefinitionSchema,
  parseIndexerDefinition,
  parseMteamDefinition,
  parseSpecializedSiteDefinition,
  SpecializedSiteDefinitionSchema,
  SpiderFieldSelectorSchema,
  SpiderFilterSchema,
} from "./schema.ts";