import Storage from './store'
import { getTotalSeconds } from './utils/task.utils'
import Task from './task'

const store = Storage.createStorage()

/**
 * Executes the given task when the cron expression ticks.
 *
 * @param {Task} task The task to be executed.
 */
export const schedule = (task: Task) => {
  task.start()
}

const startTime = process.hrtime()
setInterval(() => {
  const tasksList = store.getTasks()
  tasksList.forEach((task: Task) => {
    const totalSeconds = getTotalSeconds(task.frequency)
    const [passedSeconds] = process.hrtime(startTime)
    if (passedSeconds % totalSeconds === 0) {
      setTimeout(() => task.start(), 0)
    }
  })
}, 1000) // Runs every second

export default Task