import { triggerEvent } from '@element-plus/test-utils'
import { mount } from '@vue/test-utils'
import dayjs from 'dayjs'
import { nextTick } from 'vue'
import DatePicker from '../src/date-picker'

const formatStr = 'YYYY-MM-DD HH:mm:ss'
const makeRange = (start, end) => {
  const result = []
  for (let i = start; i <= end; i++) {
    result.push(i)
  }
  return result
}
const _mount = (template: string, data = () => ({}), otherObj?) => mount({
  components: {
    'el-date-picker': DatePicker,
  },
  template,
  data,
  ...otherObj,
}, {
  attachTo: 'body',
})

afterEach(() => {
  document.documentElement.innerHTML = ''
})


describe('Datetime Picker', () => {

  it('both picker show correct formated value (extract date-format and time-format from format property', async () => {
    const wrapper = _mount(`<el-date-picker
        v-model="value"
        type="datetime"
        :format="format"
    />`, () => ({
      value: new Date(2018, 2, 5, 10, 15, 24),
      format: 'YYYY/MM/DD HH:mm A',
    }))
    const input = wrapper.find('input')
    input.trigger('blur')
    input.trigger('focus')
    await nextTick()
    const dateInput = document.querySelector('.el-date-picker__time-header > span:nth-child(1) input')
    const timeInput = document.querySelector('.el-date-picker__time-header > span:nth-child(2) input');
    (timeInput as HTMLElement).focus()
    await nextTick()
    // both input shows correct value
    expect((dateInput as HTMLInputElement).value).toBe('2018/03/05')
    expect((timeInput as HTMLInputElement).value).toBe('10:15 AM')
    wrapper.setProps({
      format: 'MM-DD-YYYY HH a',
    })
    await nextTick()
    expect((dateInput as HTMLInputElement).value).toBe('03-05-2018')
    expect((timeInput as HTMLInputElement).value).toBe('10 am')
  })

  it('both picker show correct value', async () => {
    const wrapper = _mount(`<el-date-picker
        v-model="value"
        type="datetime"
    />`, () => ({
      value: new Date(2000, 9, 1, 10, 0, 1),
    }))

    const input = wrapper.find('input')
    input.trigger('blur')
    input.trigger('focus')
    await nextTick()
    const dateInput = document.querySelector('.el-date-picker__time-header > span:nth-child(1) input')
    const timeInput = document.querySelector('.el-date-picker__time-header > span:nth-child(2) input');
    (timeInput as HTMLElement).focus()
    await nextTick()
    // both input shows correct value
    expect((dateInput as HTMLInputElement).value).toBe('2000-10-01')
    expect((timeInput as HTMLInputElement).value).toBe('10:00:01')
    // time spinner highlight is correct
    let spinners = document.querySelectorAll('.el-time-spinner ul li.active') as any
    expect(spinners[0].textContent).toBe('10')
    expect(spinners[1].textContent).toBe('00')
    expect(spinners[2].textContent).toBe('01')
    wrapper.setProps({
      modelValue: new Date(2001, 10, 2, 11, 1, 2),
    })
    await nextTick()
    spinners = document.querySelectorAll('.el-time-spinner ul li.active') as any
    expect((dateInput as HTMLInputElement).value).toBe('2001-11-02')
    expect((timeInput as HTMLInputElement).value).toBe('11:01:02')
    expect(spinners[0].textContent).toBe('11')
    expect(spinners[1].textContent).toBe('01')
    expect(spinners[2].textContent).toBe('02')
  })

  it('click now button', async () => {
    const wrapper = _mount(`<el-date-picker
        v-model="value"
        type="datetime"
    />`, () => ({
      value: '',
    }))
    const input = wrapper.find('input')
    input.trigger('blur')
    input.trigger('focus')
    await nextTick();
    (document.querySelector('.el-picker-panel__link-btn') as HTMLElement).click()
    await nextTick()
    const vm = wrapper.vm as any
    // test if is current time (deviation 10 seconds)
    expect(dayjs(vm.value).diff(dayjs()) < 10).toBeTruthy()
  })

  it('timepicker select && input time && input date', async () => {
    const wrapper = _mount(`<el-date-picker
        v-model="value"
        type="datetime"
    />`, () => ({
      value: '',
    }))
    const vm = wrapper.vm as any
    expect(vm.value).toBe('')
    const input = wrapper.find('input')
    input.trigger('blur')
    input.trigger('focus')
    await nextTick()
    const input_ = document.querySelectorAll('.el-date-picker__editor-wrap input')[1];
    (input_ as HTMLElement).focus()
    await nextTick()
    const timePanel = document.querySelector('.el-time-panel')
    expect(timePanel.querySelector('.el-time-spinner').innerHTML).not.toBeNull()
    const button = document.querySelector('.el-time-panel .confirm') as HTMLElement
    button.click()
    await nextTick()
    expect(vm.value).not.toBe('')
    const timeInput = document.querySelectorAll('.el-date-picker__editor-wrap input')[1] as HTMLInputElement
    timeInput.value = '20:30:33'
    timeInput.dispatchEvent(new Event('change'))
    await nextTick()
    const valueResult = dayjs(vm.value)
    expect(valueResult.hour()).toBe(20)
    expect(valueResult.minute()).toBe(30)
    expect(valueResult.second()).toBe(33)
    const dateInput = document.querySelector('.el-date-picker__editor-wrap input') as HTMLInputElement
    dateInput.value = '2017-02-02'
    dateInput.dispatchEvent(new Event('change'))
    await nextTick()
    const valueResult2 = dayjs(vm.value)
    expect(valueResult2.year()).toBe(2017)
    expect(valueResult2.month()).toBe(1)
    expect(valueResult2.date()).toBe(2)
  })

  it('now button: can not choose disabled date', async () => {
    let isDisable = true
    const wrapper = _mount(`<el-date-picker
        v-model="value"
        type="datetime"
        :disabledDate="disabledDate"
    />`, () => ({
      value: '',
      disabledDate() {
        return isDisable
      },
    }))
    const input = wrapper.find('input')
    input.trigger('blur')
    input.trigger('focus')
    await nextTick()
    // click now button
    const btn = document.querySelector('.el-picker-panel__footer .el-button--text') as HTMLElement
    btn.click()
    await nextTick()
    const vm = wrapper.vm as any
    expect(vm.value).toBe('')
    isDisable = false
    await nextTick()
    btn.click()
    await nextTick()
    expect(vm.value).not.toBe('')
  })

  it('confirm button honors picked date', async () => {
    const wrapper = _mount(`<el-date-picker
        v-model="value"
        type="datetime"
    />`, () => ({
      value: new Date(2000, 9, 1, 12, 0, 0), // 2010-10-01 12:00:00
    }))
    const input = wrapper.find('input')
    input.trigger('blur')
    input.trigger('focus')
    await nextTick();
    // changed month / year should not effect picked time
    (document.querySelector('.el-date-picker__header .el-icon-arrow-right') as HTMLElement).click();
    (document.querySelector('.el-date-picker__header .el-icon-d-arrow-right') as HTMLElement).click();
    // click confirm button
    (document.querySelector('.el-picker-panel__footer .el-button--default') as HTMLElement).click()
    const vm = wrapper.vm as any
    expect(dayjs(vm.value).format(formatStr)).toBe('2000-10-01 12:00:00')
  })

  it('selectableRange', async () => {
    const disabledHoursArr = [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,23]
    const wrapper = _mount(`<el-date-picker
        v-model="value"
        type="datetime"
        :disabledHours="disabledHours"
        :disabledMinutes="disabledMinutes"
        :disabledSeconds="disabledSeconds"
    />`, () => ({
      value: new Date(2019, 0, 1, 18, 50) }),
    {
      methods: {
        disabledHours() {
          return disabledHoursArr
        },
        disabledMinutes (hour) {
          // ['17:30:00 - 18:30:00', '18:50:00 - 20:30:00', '21:00:00 - 22:00:00']
          if (hour === 17) {
            return makeRange(0, 29)
          }
          if (hour === 18) {
            return makeRange(31, 49)
          }
          if (hour === 20) {
            return makeRange(31, 59)
          }
          if (hour === 22) {
            return makeRange(1, 59)
          }
        },
        disabledSeconds(hour, minute) {
          if (hour === 18 && minute === 30) {
            return makeRange(1, 59)
          }
          if (hour === 20 && minute === 30) {
            return makeRange(1, 59)
          }
          if (hour === 22 && minute === 0) {
            return makeRange(1, 59)
          }
        },
      },
    })
    const input = wrapper.find('input')
    input.trigger('blur')
    input.trigger('focus')
    await nextTick()
    const input1 = document.querySelectorAll('.el-date-picker__editor-wrap input')[1] as HTMLInputElement
    input1.blur()
    input1.focus()
    await nextTick()
    const list = document.querySelectorAll('.el-time-spinner__list')
    const hoursEl = list[0]
    const disabledHours = [].slice
      .call(hoursEl.querySelectorAll('.disabled'))
      .map(node => Number(node.textContent))
    expect(disabledHours).toStrictEqual(disabledHoursArr)
    const minutesEl = list[1]
    const disabledMinutes = [].slice
      .call(minutesEl.querySelectorAll('.disabled'))
      .map(node => Number(node.textContent))
    expect(disabledMinutes.length).toBe(19)
  })
})

describe('Datetimerange', () => {

  it('select daterange and default Time and input format', async () => {
    const wrapper = _mount(`<el-date-picker
        v-model="value"
        type="datetimerange"
        :defaultTime="new Date(2020, 1, 1, 1, 1, 1)"
        format="YYYY/MM/DD HH:mm A"
    />`, () => ({
      value: [new Date(2000, 10, 8, 10, 10), new Date(2000, 10, 11, 10, 10)],
    }))
    const input = wrapper.find('input')
    input.trigger('blur')
    input.trigger('focus')
    await nextTick()
    const pickers = document.querySelectorAll('.el-date-range-picker__content')
    const leftCell = pickers[0].querySelector('td.available')
    const rightCell = pickers[1].querySelector('td.available')
    triggerEvent(leftCell, 'mousemove', true)
    triggerEvent(leftCell, 'click', true)
    await nextTick()
    triggerEvent(rightCell, 'mousemove', true)
    triggerEvent(rightCell, 'click', true)
    await nextTick();
    (document.querySelector('.el-picker-panel__footer .el-button--default') as HTMLElement).click()
    await nextTick()
    const vm = wrapper.vm as any
    expect(vm.value.map(_ => dayjs(_).format(formatStr)))
      .toStrictEqual(['2000-11-01 01:01:01', '2000-12-01 01:01:01'])
    const pickerss = document.querySelectorAll('.el-date-range-picker__time-header .el-date-range-picker__editors-wrap')
    const left = {
      dateInput: pickerss[0].querySelector('.el-date-range-picker__time-picker-wrap:nth-child(1) input'),
      timeInput: pickerss[0].querySelector('.el-date-range-picker__time-picker-wrap:nth-child(2) input'),
    }
    const right = {
      dateInput: pickerss[1].querySelector('.el-date-range-picker__time-picker-wrap:nth-child(1) input'),
      timeInput: pickerss[1].querySelector('.el-date-range-picker__time-picker-wrap:nth-child(2) input'),
    }
    await nextTick()
    // both input shows correct value
    expect((left.dateInput as HTMLInputElement).value).toBe('2000/11/01')
    expect((left.timeInput as HTMLInputElement).value).toBe('01:01 AM')
    expect((right.dateInput as HTMLInputElement).value).toBe('2000/12/01')
    expect((right.timeInput as HTMLInputElement).value).toBe('01:01 AM')
  })

  it('input date', async () => {
    const wrapper = _mount(`<el-date-picker
        v-model="value"
        type="datetimerange"
    />`, () => ({
      value: '',
    }))
    const input = wrapper.find('input')
    input.trigger('blur')
    input.trigger('focus')
    await nextTick()
    const pickerss = document.querySelectorAll('.el-date-range-picker__time-header .el-date-range-picker__editors-wrap')
    const leftDateInput = pickerss[0].querySelector('.el-date-range-picker__time-picker-wrap:nth-child(1) input') as HTMLInputElement
    const rightDateInput = pickerss[0].querySelector('.el-date-range-picker__time-picker-wrap:nth-child(1) input') as HTMLInputElement
    leftDateInput.value = '1999-03-04'
    triggerEvent(leftDateInput, 'input', true)
    triggerEvent(leftDateInput, 'change', true)
    await nextTick()
    const pickers = document.querySelectorAll('.el-date-range-picker__content')
    const leftCell = pickers[0].querySelector('td.available')
    const rightCell = pickers[1].querySelector('td.available')
    triggerEvent(leftCell, 'mousemove', true)
    triggerEvent(leftCell, 'click', true)
    await nextTick()
    triggerEvent(rightCell, 'mousemove', true)
    triggerEvent(rightCell, 'click', true)
    await nextTick()
    const btn = document.querySelector('.el-picker-panel__footer .el-button--default') as HTMLElement
    btn.click()
    await nextTick()
    const vm = wrapper.vm as any
    expect(vm.value.map(_ => dayjs(_).format(formatStr)))
      .toStrictEqual(['1999-03-01 00:00:00','1999-04-01 00:00:00'])
    // input date when minDate > maxDate
    rightDateInput.value = '1998-01-01'
    triggerEvent(rightDateInput, 'input', true)
    triggerEvent(rightDateInput, 'change', true)
    await nextTick()
    btn.click()
    await nextTick()
    expect(dayjs(vm.value[0]).isBefore(vm.value[1])).toBeTruthy()
  })


  it('select time', async () => {
    const wrapper = _mount(`<el-date-picker
        v-model="value"
        type="datetimerange"
    />`, () => ({
      value: '',
    }))
    const vm = wrapper.vm as any
    expect(vm.value).toBe('')
    const input = wrapper.find('input')
    input.trigger('blur')
    input.trigger('focus')
    await nextTick()
    const timeInput = document.querySelectorAll('.el-date-range-picker__editors-wrap input')[1] as HTMLInputElement
    timeInput.blur()
    timeInput.focus()
    timeInput.blur()
    await nextTick()
    const button = document.querySelector('.el-date-range-picker__time-picker-wrap .el-time-panel .confirm') as HTMLElement
    button.click()
    await nextTick()
    const btn = document.querySelector('.el-picker-panel__footer .el-button--default') as HTMLElement
    btn.click()
    await nextTick()
    expect(vm.value).not.toBe('')
  })

  it('confirm honors disabledDate', async () => {
    const wrapper = _mount(`<el-date-picker
        v-model="value"
        type="datetimerange"
        :disabledDate="disabledDate"
    />`, () => ({
      value: '',
      disabledDate: date => {
        return date.getTime() < new Date(2000, 9, 1) // 2000-10-01
      },
    }))
    const vm = wrapper.vm as any
    const input = wrapper.find('input')
    input.trigger('blur')
    input.trigger('focus')
    await nextTick()
    // simulate user input of invalid date
    const pickerss = document.querySelectorAll('.el-date-range-picker__time-header .el-date-range-picker__editors-wrap')
    const leftDateInput = pickerss[0].querySelector('.el-date-range-picker__time-picker-wrap:nth-child(1) input') as HTMLInputElement
    leftDateInput.value = '2000-09-01'
    triggerEvent(leftDateInput, 'input', true)
    triggerEvent(leftDateInput, 'change', true)
    await nextTick()
    const btn = document.querySelector('.el-picker-panel__footer .el-button--default') as HTMLElement
    expect(btn.getAttribute('disabled')).not.toBeUndefined() // invalid input disables button
    btn.click()
    await nextTick()
    const rangePanel = document.querySelector('.el-date-range-picker')
    expect(rangePanel.getAttribute('visible')).toBe('true') // popper still open
    expect(vm.value).toBe('')
    leftDateInput.value = '2001-09-01'
    triggerEvent(leftDateInput, 'input', true)
    triggerEvent(leftDateInput, 'change', true)
    await nextTick()
    expect(btn.getAttribute('disabled')).not.toBeUndefined()
    btn.click()
    await nextTick()
    expect(rangePanel.getAttribute('visible')).toBe('false') // popper dismiss
    expect(vm.value).not.toBe('')
  })

  it('selectableRange', async () => {
    const disabledHoursArr = [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,23]
    const disabledHoursRightArr = [0,1,2]
    const wrapper = _mount(`<el-date-picker
        v-model="value"
        type="datetimerange"
        :disabledHours="disabledHours"
    />`, () => ({
      value: '' }),
    {
      methods: {
        disabledHours(role) {
          if (role === 'end') {
            return disabledHoursRightArr
          }
          return disabledHoursArr
        },
      },
    })
    const input = wrapper.find('input')
    input.trigger('blur')
    input.trigger('focus')
    await nextTick()
    const pickerss = document.querySelectorAll('.el-date-range-picker__time-header .el-date-range-picker__editors-wrap')
    const leftDateInput = pickerss[0].querySelector('.el-date-range-picker__time-picker-wrap:nth-child(2) input') as HTMLInputElement
    const rightDateInput = pickerss[1].querySelector('.el-date-range-picker__time-picker-wrap:nth-child(2) input') as HTMLInputElement
    leftDateInput.blur()
    leftDateInput.focus()
    await nextTick()
    const listleft = document.querySelectorAll('.el-date-range-picker__editors-wrap .el-time-spinner__list')
    const hoursEl = listleft[0]
    const disabledHours = [].slice
      .call(hoursEl.querySelectorAll('.disabled'))
      .map(node => Number(node.textContent))
    expect(disabledHours).toStrictEqual(disabledHoursArr)
    const button = document.querySelector('.el-date-range-picker__time-picker-wrap .el-time-panel .confirm') as HTMLElement
    button.click()
    await nextTick()
    rightDateInput.blur()
    rightDateInput.focus()
    await nextTick()
    const listright = document.querySelectorAll('.el-date-range-picker__editors-wrap.is-right .el-time-spinner__list')
    const hoursEl2 = listright[0]
    const disabledHours2 = [].slice
      .call(hoursEl2.querySelectorAll('.disabled'))
      .map(node => Number(node.textContent))
    expect(disabledHours2).toStrictEqual(disabledHoursRightArr)
  })
})