import { expect, test } from "vitest"

import { Dispatcher, DownCountSelector } from "#Source/orchestration/index.ts"

test("Dispatcher getSelector reuses selectors by id and applies filter on first creation", async () => {
  const dispatcher = new Dispatcher({
    itemList: ["alpha", "beta", "gamma"],
  })

  const firstResult = dispatcher.getSelector({
    id: "shared",
    filter: (item) => item !== "alpha",
  })
  const secondResult = dispatcher.getSelector({
    id: "shared",
    filter: () => true,
  })

  expect(firstResult.selector).toBeInstanceOf(DownCountSelector)
  expect(secondResult.selector).toBe(firstResult.selector)

  const firstItem = await firstResult.selector.getItem()

  expect(firstItem.isRight()).toBe(true)
  expect(firstItem.assertRight().getRight().item).toBe("beta")
})

test("Dispatcher destroySelector discards an existing selector and allows recreation", () => {
  const dispatcher = new Dispatcher({
    itemList: ["alpha", "beta"],
  })

  const firstSelector = dispatcher.getSelector({ id: "shared" }).selector

  dispatcher.destroySelector("missing")
  dispatcher.destroySelector("shared")

  const recreatedSelector = dispatcher.getSelector({ id: "shared" }).selector

  expect(recreatedSelector).not.toBe(firstSelector)
})