import { fetchAPI } from "./api-client";
import type {
  CaseStudyPageDetail,
  CaseStudyPageSummary,
  WagtailListResponse,
} from "@/types/wagtail";

/** 获取客户案例列表（按发布时间倒序）。 */
export async function getCaseStudyList(): Promise<CaseStudyPageSummary[]> {
  const res = await fetchAPI<WagtailListResponse<CaseStudyPageSummary>>(
    "/api/v2/pages/?type=cases.CaseStudyPage&fields=client_name,industry,published_at,summary&order=-published_at",
    { tags: ["case-study-list"] },
  );
  return res.items;
}

/** 根据 slug 获取客户案例详情。 */
export async function getCaseStudyBySlug(
  slug: string,
): Promise<CaseStudyPageDetail | null> {
  const res = await fetchAPI<WagtailListResponse<CaseStudyPageDetail>>(
    `/api/v2/pages/?type=cases.CaseStudyPage&slug=${encodeURIComponent(slug)}&fields=body,client_name,industry,published_at,summary&limit=1`,
    { tags: [`case-study:${slug}`] },
  );
  return res.items[0] ?? null;
}