import { defineCollection, z } from 'astro:content'
import { docsLoader } from '@astrojs/starlight/loaders'
import { docsSchema } from '@astrojs/starlight/schema'

// `loom` is the machine-owned block. Everything else on a page is a person's.
const source = z.object({
  path: z.string(),
  etag: z.string(),
})

export const collections = {
  docs: defineCollection({
    loader: docsLoader(),
    schema: docsSchema({
      extend: z.object({
        loom: z
          .object({
            // Set on a generated page: this is a rendering of somebody's document.
            generated: z.boolean().optional(),
            source: z.string().optional(),
            path: z.string().optional(),
            etag: z.string().optional(),
            visibility: z.string().optional(),
            // Set on a hand-written page: what it was written against.
            writtenAgainst: z.array(source).optional(),
          })
          .optional(),
      }),
    }),
  }),
}