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

/**
 * 获取博客列表（按发布时间倒序）。
 */
export async function getBlogList(): Promise<BlogPageSummary[]> {
  const res = await fetchAPI<WagtailListResponse<BlogPageSummary>>(
    "/api/v2/pages/?type=blog.BlogPage&fields=intro,published_at&order=-published_at",
    { tags: ["blog-list"] },
  );
  return res.items;
}

/**
 * 根据 slug 获取博客详情。
 */
export async function getBlogBySlug(slug: string): Promise<BlogPageDetail | null> {
  const res = await fetchAPI<WagtailListResponse<BlogPageDetail>>(
    `/api/v2/pages/?type=blog.BlogPage&slug=${encodeURIComponent(slug)}&fields=body,intro,published_at&limit=1`,
    { tags: [`blog:${slug}`] },
  );
  return res.items[0] ?? null;
}