import { expect, test, vi } from "vitest"

import {
  scheduleMacroTask,
  scheduleMacroTaskSimple,
  scheduleMicroTask,
  scheduleMicroTaskSimple,
} from "#Source/basic/index.ts"

test("scheduleMicroTaskSimple schedules a task in the microtask queue", async () => {
  const values: string[] = []

  scheduleMicroTaskSimple(() => {
    values.push("micro")
  })

  expect(values).toEqual([])

  await Promise.resolve()

  expect(values).toEqual(["micro"])
})

test("scheduleMacroTaskSimple schedules a task in the macrotask queue", async () => {
  vi.useFakeTimers()
  const values: string[] = []

  scheduleMacroTaskSimple(() => {
    values.push("macro")
  })

  expect(values).toEqual([])

  await vi.runAllTimersAsync()

  expect(values).toEqual(["macro"])
  vi.useRealTimers()
})

test("scheduleMicroTask schedules async-capable tasks in the microtask queue", async () => {
  const values: string[] = []

  scheduleMicroTask({
    task: () => {
      values.push("micro")
    },
  })

  expect(values).toEqual([])

  await Promise.resolve()
  await Promise.resolve()

  expect(values).toEqual(["micro"])
})

test("scheduleMacroTask schedules async-capable tasks with timeout", async () => {
  vi.useFakeTimers()
  const values: string[] = []

  scheduleMacroTask({
    timeout: 25,
    task: () => {
      values.push("macro")
    },
  })

  await vi.advanceTimersByTimeAsync(24)
  expect(values).toEqual([])

  await vi.advanceTimersByTimeAsync(1)
  expect(values).toEqual(["macro"])
  vi.useRealTimers()
})