import { expect, test } from "vitest"

import { getValuesInArray, getValuesInObject, signal, subscribe } from "#Source/reactor/index.ts"

test("subscribe operator should skip first value", () => {
  const a = signal(() => 0)

  let consumerRunTimes = 0
  const unsubscribe = subscribe({
    target: a,
    subscriber: (value) => {
      consumerRunTimes = consumerRunTimes + 1
      expect(value).toBe(1)
    },
  })

  a.set(1)
  expect(consumerRunTimes).toBe(1)
  unsubscribe()

  a.set(2)
  expect(consumerRunTimes).toBe(1)
})

test("getValuesInArray operator should work correctly", () => {
  const a = signal(() => 1)
  const b = signal(() => 2)
  const c = signal(() => 3)

  const values = getValuesInArray({ target: [a, b, c] })
  expect(values).toEqual([1, 2, 3])

  a.set(4)
  b.set(5)
  c.set(6)

  const newValues = getValuesInArray({ target: [a, b, c] })
  expect(newValues).toEqual([4, 5, 6])
})

test("getValuesInObject operator should work correctly", () => {
  const a = signal(() => 1)
  const b = signal(() => 2)
  const c = signal(() => 3)

  const values = getValuesInObject({ target: { a, b, c } })
  expect(values).toEqual({ a: 1, b: 2, c: 3 })

  a.set(4)
  b.set(5)
  c.set(6)

  const newValues = getValuesInObject({ target: { a, b, c } })
  expect(newValues).toEqual({ a: 4, b: 5, c: 6 })
})