import type { ComponentType } from "react";
import type { Author, Category } from "./types";
import type { BlogTelemetry } from "./telemetry";
import type { AtprotoFeedAdapter } from "./atproto-feed";
import type { BlogImageComponent, BlogImageSource } from "./context/image-context";

export interface BlogConfig {
  basePath: string;
  postsPerPage: number;
  feed: AtprotoFeedAdapter;
  categories: Record<string, Category>;
  defaultAuthor: Author;
  sequoia: {
    publicationUri: string;
    commentTheme?: Record<string, string>;
    subscribeTheme?: Record<string, string>;
  };
  markdown?: { contentDirPath?: string };
  coverImageMap?: Record<string, BlogImageSource>;
  // Platform image component. Defaults to a thin `<img>` wrapper; Next.js
  // consumers pass `nextImageAdapter` (from `@blog/next`) to get the
  // optimization/lazy-loading machinery.
  imageComponent?: BlogImageComponent;
  /**
   * Absolute origin used to build canonical URLs (e.g. `https://example.com`).
   * Optional — when absent, consumers fall back to relative URLs with Next's
   * `metadataBase`.
   */
  siteOrigin?: string;
  telemetry?: BlogTelemetry;
  notFound?: ComponentType<{ msg?: { heading?: string; message: string } }>;
}

// Identity factory — exists for inference and a single canonical import site.
export function createBlogConfig(input: BlogConfig): BlogConfig {
  return input;
}