export interface File extends instanceOf<globalThis.File> {
  readonly "Rebuild": File
}

/**
 * Schema for JavaScript `File` objects.
 *
 * **Details**
 *
 * The default JSON serializer encodes a `File` as `{ data, type, name, lastModified }`
 * where `data` is base64-encoded.
 *
 * @category file
 * @since 4.0.0
 */
export const File: File = instanceOf(globalThis.File, {
  typeConstructor: {
    _tag: "File"
  },
  generation: {
    runtime: `Schema.File`,
    Type: `globalThis.File`
  },
  expected: "File",
  toCodecJson: () =>
    link<globalThis.File>()(
      Struct({
        data: String.check(isBase64()),
        type: String,
        name: String,
        lastModified: Number
      }),
      SchemaTransformation.transformOrFail({
        decode: (e) =>
          Result_.match(Encoding.decodeBase64(e.data), {
            onFailure: (error) =>
              Effect.fail(
                new SchemaIssue.InvalidValue(Option_.some(e.data), {
                  message: error.message
                })
              ),
            onSuccess: (bytes) => {
              const buffer = new globalThis.Uint8Array(bytes)
              return Effect.succeed(
                new globalThis.File([buffer], e.name, { type: e.type, lastModified: e.lastModified })
              )
            }
          }),
        encode: (file) =>
          Effect.tryPromise({
            try: async () => {
              const bytes = new globalThis.Uint8Array(await file.arrayBuffer())
              return {
                data: Encoding.encodeBase64(bytes),
                type: file.type,
                name: file.name,
                lastModified: file.lastModified
              }
            },
            catch: (e) =>
              new SchemaIssue.InvalidValue(Option_.some(file), {
                message: globalThis.String(e)
              })
          })
      })
    )
})