import { expect, tap } from 'tapbundle'
import taskbuffer = require('../dist/index')

import * as q from 'smartq'
import * as smartdelay from 'smartdelay'

let flowTask1 = new taskbuffer.Task({
  taskFunction: (x: number) => {
    let done = q.defer()
    console.log('flowTask1')
    console.log(x)
    done.resolve(x)
    return done.promise
  }
})

let flowTaskBuffered = new taskbuffer.Task({
  taskFunction: (x: number) => {
    let done = q.defer()
    console.log('flowTask1')
    console.log(x)
    done.resolve(x)
    return done.promise
  },
  buffered: true,
  bufferMax: 1
})

let flowTask2 = new taskbuffer.Task({
  taskFunction: (x: number) => {
    let done = q.defer()
    console.log('flowTask2')
    console.log(x)
    done.resolve(x)
    return done.promise
  },
  preTask: flowTask1
})

let flowTask3 = new taskbuffer.Taskchain({
  taskArray: [ flowTask1, flowTask2 ]
})

tap.test('should let a value flow through a task', async () => {
  let result = await flowTask1.trigger(12)
  expect(result).to.equal(12)
})

tap.test('expect values to flow between tasks', async () => {
  let result = await flowTask2.trigger(12)
  expect(result).to.equal(12)
})

tap.test('expect values to flow between tasks when buffered', async () => {
  let result = await flowTaskBuffered.trigger(12)
  expect(result).to.equal(12)
})

tap.test('expect values to flow between tasks in Taskchain', async () => {
  let result = await flowTask3.trigger(12)
  expect(result).to.equal(12)
})

tap.start()