import { mount } from '@vue/test-utils'
import { nextTick } from 'vue'
import TimePicker from '../src/time-picker'

const _mount = (template: string, data, otherObj?) => mount({
  components: {
    'el-time-picker': TimePicker,
  },
  template,
  data,
  ...otherObj,
}, {
  attachTo: 'body',
})

const makeRange = (start, end) => {
  const result = []
  for (let i = start; i <= end; i++) {
    result.push(i)
  }
  return result
}

const getSpinnerTextAsArray = (dom, selector) => {
  return [].slice
    .call(dom.querySelectorAll(selector))
    .map(node => Number(node.textContent))
}

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

describe('TimePicker', () => {
  it('create', async () => {
    const wrapper = _mount(`<el-time-picker
    :placeholder="placeholder"
    :readonly="readonly"
  />`, () => ({ placeholder: 'test_',
      readonly: true }))
    const input = wrapper.find('input')
    expect(input.attributes('placeholder')).toBe('test_')
    expect(input.attributes('readonly')).not.toBeUndefined()
  })

  it('set format && default value && set AM/PM spinner', async () => {
    const wrapper = _mount(`<el-time-picker
        :format="format"
        v-model="value"
      />`, () => ({ format: 'hh-mm:ss A',
      value: new Date(2016, 9, 10, 18, 40) }))
    await nextTick()
    const input = wrapper.find('input')
    expect(input.element.value).toBe('06-40:00 PM') // format
    input.trigger('blur')
    input.trigger('focus')
    await nextTick()
    const list = document.querySelectorAll('.el-time-spinner__list')
    const hoursEl = list[0]
    const items = hoursEl.querySelectorAll('.el-time-spinner__item')
    expect(items[0].textContent).toBe('12 AM') // am pm
    expect(items[1].textContent).toBe('01 AM')
    expect(items[12].textContent).toBe('12 PM')
    expect(items[15].textContent).toBe('03 PM')
    const times = document.querySelectorAll('.el-time-spinner__list .active')
    expect(times[0].textContent).toBe('06 PM')
    expect(times[1].textContent).toBe('40') // default value
    expect(times[2].textContent).toBe('00')
  })

  it('select time', async () => {
    const wrapper = _mount(`<el-time-picker
        v-model="value"
      />`, () => ({ value: '' }))
    const input = wrapper.find('input')
    input.trigger('blur')
    input.trigger('focus')
    await nextTick()
    const list = document.querySelectorAll('.el-time-spinner__list')
    const hoursEl = list[0]
    const minutesEl = list[1]
    const secondsEl = list[2]
    const hourEl = hoursEl.querySelectorAll('.el-time-spinner__item')[4] as any
    const minuteEl = minutesEl.querySelectorAll('.el-time-spinner__item')[36]  as any
    const secondEl = secondsEl.querySelectorAll('.el-time-spinner__item')[20]  as any
    // click hour, minute, second one at a time.
    hourEl.click()
    await nextTick()
    minuteEl.click()
    await nextTick()
    secondEl.click()
    await nextTick()
    const vm = wrapper.vm as any
    const date = vm.value
    expect(hourEl.classList.contains('active')).toBeTruthy()
    expect(minuteEl.classList.contains('active')).toBeTruthy()
    expect(secondEl.classList.contains('active')).toBeTruthy()
    expect(date.getHours()).toBe(4)
    expect(date.getMinutes()).toBe(36)
    expect(date.getSeconds()).toBe(20)
  })

  it('click confirm / cancel button', async () => {
    const wrapper = _mount(`<el-time-picker
        v-model="value"
      />`, () => ({ value: '' }))
    const input = wrapper.find('input')
    input.trigger('blur')
    input.trigger('focus')
    await nextTick();
    (document.querySelector('.el-time-panel__btn.cancel') as any).click()
    const vm = wrapper.vm as any
    expect(vm.value).toBe('')
    input.trigger('blur')
    input.trigger('focus')
    await nextTick();
    (document.querySelector('.el-time-panel__btn.confirm') as any).click()
    expect(vm.value instanceof Date).toBeTruthy()
  })

  it('set format', async () => {
    const wrapper = _mount(`<el-time-picker
        v-model="value"
        format='HH:mm'
      />`, () => ({ value: '' }))
    const input = wrapper.find('input')
    input.trigger('blur')
    input.trigger('focus')
    await nextTick()
    const spinnerDom = document.querySelectorAll('.el-time-spinner__wrapper')
    const minutesDom = spinnerDom[1]
    const secondsDom = spinnerDom[2]
    expect(minutesDom).not.toBeUndefined()
    expect(secondsDom).toBeUndefined()
  })

  it('event change, focus, blur', async () => {
    const changeHandler = jest.fn()
    const focusHandler = jest.fn()
    const blurHandler = jest.fn()
    const wrapper = _mount(`<el-time-picker
        v-model="value"
        @change="onChange"
        @focus="onFocus"
        @blur="onBlur"
      />`, () => ({ value: new Date(2016, 9, 10, 18, 40) }), {
      methods: {
        onChange(e) {
          return changeHandler(e)
        },
        onFocus(e) {
          return focusHandler(e)
        },
        onBlur(e) {
          return blurHandler(e)
        },
      },
    })

    const input = wrapper.find('input')
    input.trigger('focus')
    await nextTick()
    expect(focusHandler).toHaveBeenCalledTimes(1)
    const list = document.querySelectorAll('.el-time-spinner__list')
    const hoursEl = list[0]
    const hourEl = hoursEl.querySelectorAll('.el-time-spinner__item')[4] as any
    hourEl.click()
    await nextTick()
    expect(changeHandler).toHaveBeenCalledTimes(1);
    (document.querySelector('.el-time-panel__btn.cancel') as any).click()
    await nextTick()
    expect(blurHandler).toHaveBeenCalledTimes(1)
  })

  it('selectableRange ', async () => {
    // ['17:30:00 - 18:30:00', '18:50:00 - 20:30:00', '21:00:00 - 22:00:00']
    const disabledHoursArr = [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,23]
    const wrapper = _mount(`<el-time-picker
        v-model="value"
        :disabled-hours="disabledHours"
        :disabled-minutes="disabledMinutes"
        :disabled-seconds="disabledSeconds"
      />`, () => ({ value: '' }), {
      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('focus')
    await nextTick()

    const list = document.querySelectorAll('.el-time-spinner__list')
    const hoursEl = list[0]
    const minutesEl = list[1]
    const secondsEl = list[2]
    const disabledHours = getSpinnerTextAsArray(hoursEl, '.disabled')
    expect(disabledHours).toEqual(disabledHoursArr)
    const hourSpinners = hoursEl.querySelectorAll('.el-time-spinner__item');
    (hourSpinners[18] as any).click()
    await nextTick()
    const disabledMinutes = getSpinnerTextAsArray(minutesEl, '.disabled')
    expect(disabledMinutes.every(t => t > 30 && t < 50)).toBeTruthy()
    expect(disabledMinutes.length).toEqual(19);
    (hourSpinners[22] as any).click()
    await nextTick()
    const enabledMinutes = getSpinnerTextAsArray(minutesEl, ':not(.disabled)')
    const enabledSeconds = getSpinnerTextAsArray(secondsEl, ':not(.disabled)')
    expect(enabledMinutes).toEqual([0])
    expect(enabledSeconds).toEqual([0])
  })
})

describe('TimePicker(range)', () => {
  it('create', async () => {
    const wrapper = _mount(`<el-time-picker
        v-model="value"
        size="mini"
        :is-range="true"
      />`, () => ({ value: [new Date(2016, 9, 10, 18, 40), new Date(2016, 9, 10, 19, 40)] }))
    expect(wrapper.find('.el-range-editor--mini').exists()).toBeTruthy()
    const input = wrapper.find('input')
    input.trigger('blur')
    input.trigger('focus')
    await nextTick()
    const list = document.querySelectorAll('.el-time-spinner__list .el-time-spinner__item.active');

    ['18','40','00','19','40','00'].forEach((_, i) => {
      expect(list[i].textContent).toBe(_)
    })
  })

  it('default value', async() => {
    const defaultValue = [new Date(2000, 9, 1, 10, 20, 0), new Date(2000, 9, 1, 11, 10, 0)]
    const wrapper = _mount(`<el-time-picker
        v-model="value"
        :default-value="defaultValue"
        :is-range="true"
      />`, () => ({ value: '',
      defaultValue }))

    const input = wrapper.find('input')
    input.trigger('blur')
    input.trigger('focus')
    await nextTick()

    const list = document.querySelectorAll('.el-time-spinner__list .el-time-spinner__item.active');

    ['10','20','00','11','10','00'].forEach((_, i) => {
      expect(list[i].textContent).toBe(_)
    })
  })

  it('cancel button', async () => {
    const wrapper = _mount(`<el-time-picker
        v-model="value"
        is-range
      />`, () => ({ value: '' }))

    const input = wrapper.find('input')
    input.trigger('blur')
    input.trigger('focus')
    await nextTick();
    (document.querySelector('.el-time-panel__btn.cancel') as any).click()
    await nextTick()
    const vm = wrapper.vm as any
    expect(vm.value).toBe('')
    input.trigger('blur')
    input.trigger('focus')
    await nextTick();
    (document.querySelector('.el-time-panel__btn.confirm') as any).click()
    expect(vm.value instanceof Array).toBeTruthy()
    vm.value.forEach(_ => {
      expect(_ instanceof Date).toBeTruthy()
    })
  })

  it('selectableRange ', async () => {
    // left ['08:00:00 - 12:59:59'] right ['11:00:00 - 16:59:59']
    const wrapper = _mount(`<el-time-picker
        v-model="value"
        is-range
        :disabled-hours="disabledHours"
      />`, () => ({ value: [new Date(2016, 9, 10, 9, 40), new Date(2016, 9, 10, 15, 40)] }), {
      methods: {
        disabledHours(role) {
          if (role === 'start') {
            return makeRange(0, 7).concat(makeRange(13, 23))
          }
          return makeRange(0, 10).concat(makeRange(17, 23))
        },
      },
    })
    const input = wrapper.find('input')
    input.trigger('focus')
    await nextTick()

    const list = document.querySelectorAll('.el-time-spinner__list')
    const leftHoursEl = list[0]
    const leftEndbledHours = getSpinnerTextAsArray(leftHoursEl, ':not(.disabled)')
    expect(leftEndbledHours).toEqual([ 8, 9, 10, 11, 12 ])
    const rightHoursEl = list[3]
    const rightEndbledHours = getSpinnerTextAsArray(rightHoursEl, ':not(.disabled)')
    expect(rightEndbledHours).toEqual([ 11, 12, 13, 14, 15, 16 ]);
    (leftHoursEl.querySelectorAll('.el-time-spinner__item')[12] as any).click()
    await nextTick()
    const NextRightEndbledHours = getSpinnerTextAsArray(rightHoursEl, ':not(.disabled)')
    expect(NextRightEndbledHours).toEqual([ 12, 13, 14, 15, 16 ])
  })
})