/*
 * params.ts
 * Copyright (C) 2023 veypi <i@veypi.com>
 * 2023-10-22 05:13
 * Distributed under terms of the MIT license.
 */


const use_params = () => {
  let mode = ref(0)
  let mode_label = ['近5分钟', '近1小时', '近24小时', '近7天', '近30天']
  let change_mode = (m: number) => {
    mode.value = m
    let now = new Date()
    switch (m) {
      case 0: {
        now.setMinutes(now.getMinutes() - 5)
        params.value.start = now
        params.value.step = "2s"
        break
      }
      case 1: {
        now.setHours(now.getHours() - 1)
        params.value.start = now
        params.value.step = "10s"
        break
      }
      case 2: {
        now.setHours(now.getHours() - 24)
        params.value.start = now
        params.value.step = "20s"
        break
      }
      case 3: {
        now.setHours(now.getHours() - 24 * 7)
        params.value.start = now
        params.value.step = "30s"
        break
      }
      case 4: {
        now.setHours(now.getHours() - 24 * 29)
        params.value.start = now
        params.value.step = "1h"
        break
      }
      case 5: {
        break
      }
    }
  }
  let params = ref<{ start: Date, end: Date, step: string }>({
    start: new Date(),
    end: new Date(),
    step: '2s'
  })

  change_mode(0)

  const set_delta = (start?: Date, end?: Date) => {
    if (start) {
      params.value.start = start
    }
    if (end) {
      params.value.end = end
    }
    let delta = params.value.end.getTime() -
      params.value.start.getTime()
    console.log(delta)
  }
  return { params, change_mode, mode, mode_label }
}


export default use_params