schemas/libraries/effect/download.ts
import * as Schema from "effect/Schema";

import type { ProductData } from "#src";

const Image = Schema.Struct({
  id: Schema.Number,
  created: Schema.instanceOf(Date),
  title: Schema.String.pipe(Schema.minLength(1), Schema.maxLength(100)),
  type: Schema.Literal("jpg", "png"),
  size: Schema.Number,
  url: Schema.String.pipe(
    Schema.filter((value) => {
      try {
        new URL(value);
        return true;
      } catch {
        return false;
      }
    }),
  ),
});
const Rating = Schema.Struct({
  id: Schema.Number,
  stars: Schema.Number.pipe(Schema.greaterThanOrEqualTo(0), Schema.lessThanOrEqualTo(5)),
  title: Schema.String.pipe(Schema.minLength(1), Schema.maxLength(100)),
  text: Schema.String.pipe(Schema.minLength(1), Schema.maxLength(1000)),
  images: Schema.mutable(Schema.Array(Image)),
});
const Product = Schema.Struct({
  id: Schema.Number,
  created: Schema.instanceOf(Date),
  title: Schema.String.pipe(Schema.minLength(1), Schema.maxLength(100)),
  brand: Schema.String.pipe(Schema.minLength(1), Schema.maxLength(30)),
  description: Schema.String.pipe(Schema.minLength(1), Schema.maxLength(500)),
  price: Schema.Number.pipe(Schema.greaterThanOrEqualTo(1), Schema.lessThanOrEqualTo(10000)),
  discount: Schema.NullOr(
    Schema.Number.pipe(Schema.greaterThanOrEqualTo(1), Schema.lessThanOrEqualTo(100)),
  ),
  quantity: Schema.Number.pipe(Schema.greaterThanOrEqualTo(1), Schema.lessThanOrEqualTo(10)),
  tags: Schema.mutable(Schema.Array(Schema.String.pipe(Schema.minLength(1), Schema.maxLength(30)))),
  images: Schema.mutable(Schema.Array(Image)),
  ratings: Schema.mutable(Schema.Array(Rating)),
}) satisfies Schema.Schema<ProductData>;

Schema.decodeUnknownEither(Product)({});