import { defineCollection, z } from "astro:content";
import { file, glob } from "astro/loaders";

const blog = defineCollection({
  loader: glob({ pattern: "**/*.md", base: "./src/posts" }),
  schema: z.object({
    title: z.string(),
    date: z.date(),
    colour: z.string(),
    // no alt (empty as decorative)
    image: z
      .string()
      .refine(
        (value) => value.endsWith(".png"),
        (val) => ({
          message: `${val} must end with .png`,
        }),
      )
      .optional(),
    hasMdx: z.boolean().default(false),
  }),
});

const blogMdx = defineCollection({
  loader: glob({ pattern: "**/*.mdx", base: "./src/posts" }),
  schema: z.object({
    title: z.string(),
  }),
});

const baseNav = z.object({
  slug: z.string(),
  name: z.string(),
});

export type nav = z.infer<typeof baseNav> & {
  children?: nav[];
};

const navSchema: z.ZodType<nav> = baseNav.extend({
  children: z.lazy(() => navSchema.array()),
});

const nav = defineCollection({
  loader: file("src/navList.json"),
  schema: navSchema,
});

export const collections = { blog, blogMdx, nav };