import { mount } from '@vue/test-utils'
import { renderToString } from '@vue/server-test-utils'
import Transfer from '..'
import Vue from 'vue'
import { asyncExpect } from '@/tests/utils'

const listCommonProps = {
  dataSource: [{
    key: 'a',
    title: 'a',
  }, {
    key: 'b',
    title: 'b',
  }, {
    key: 'c',
    title: 'c',
    disabled: true,
  }],
  selectedKeys: ['a'],
  targetKeys: ['b'],
  lazy: false,
}

const listDisabledProps = {
  dataSource: [{
    key: 'a',
    title: 'a',
    disabled: true,
  }, {
    key: 'b',
    title: 'b',
  }],
  selectedKeys: ['a', 'b'],
  targetKeys: [],
  lazy: false,
}

const searchTransferProps = {
  dataSource: [
    {
      key: '0',
      title: 'content1',
      description: 'description of content1',
      chosen: false,
    },
    {
      key: '1',
      title: 'content2',
      description: 'description of content2',
      chosen: false,
    },
    {
      key: '2',
      title: 'content3',
      description: 'description of content3',
      chosen: false,
    },
    {
      key: '3',
      title: 'content4',
      description: 'description of content4',
      chosen: false,
    },
    {
      key: '4',
      title: 'content5',
      description: 'description of content5',
      chosen: false,
    },
    {
      key: '5',
      title: 'content6',
      description: 'description of content6',
      chosen: false,
    },
  ],
  selectedKeys: [],
  targetKeys: ['3', '4'],
  lazy: false,
}

describe('Transfer', () => {
  it('should render correctly', () => {
    const props = {
      propsData: listCommonProps,
    }
    const wrapper = renderToString(Transfer, props)
    expect(wrapper).toMatchSnapshot()
  })

  it('should move selected keys to corresponding list', (done) => {
    const handleChange = jest.fn()
    const wrapper = mount(Transfer, {
      propsData: listCommonProps,
      listeners: {
        change: handleChange,
      },
      sync: false,
    })
    Vue.nextTick(() => {
      wrapper.findAll('.ant-btn').at(0).trigger('click') // move selected keys to right list
      expect(handleChange).toHaveBeenCalledWith(['a', 'b'], 'right', ['a'])
      done()
    })
  })
  it('should move selected keys expect disabled to corresponding list', (done) => {
    const handleChange = jest.fn()
    const wrapper = mount(Transfer, {
      propsData: listDisabledProps,
      listeners: {
        change: handleChange,
      },
      sync: false,
    })
    Vue.nextTick(() => {
      wrapper.findAll('.ant-btn').at(0).trigger('click')
      expect(handleChange).toHaveBeenCalledWith(['b'], 'right', ['b'])
      done()
    })
  })

  it('should uncheck checkbox when click on checked item', (done) => {
    const handleSelectChange = jest.fn()
    const wrapper = mount(Transfer, {
      propsData: listCommonProps,
      listeners: {
        selectChange: handleSelectChange,
      },
      sync: false,
    })
    Vue.nextTick(() => {
      wrapper.findAll('.ant-transfer-list-content-item').filter(n => {
        return n.vnode.data.key === 'a'
      }).trigger('click')
      expect(handleSelectChange).toHaveBeenLastCalledWith([], [])
      done()
    })
  })

  it('should check checkbox when click on unchecked item', (done) => {
    const handleSelectChange = jest.fn()
    const wrapper = mount(Transfer, {
      propsData: listCommonProps,
      listeners: {
        selectChange: handleSelectChange,
      },
      sync: false,
    })
    Vue.nextTick(() => {
      wrapper.findAll('.ant-transfer-list-content-item').filter(n => {
        return n.vnode.data.key === 'b'
      }).trigger('click')
      expect(handleSelectChange).toHaveBeenLastCalledWith(['a'], ['b'])
      done()
    })
  })

  it('should not check checkbox when click on disabled item', (done) => {
    const handleSelectChange = jest.fn()
    const wrapper = mount(Transfer, {
      propsData: listCommonProps,
      listeners: {
        selectChange: handleSelectChange,
      },
      sync: false,
    })
    Vue.nextTick(() => {
      wrapper.findAll('.ant-transfer-list-content-item').filter(n => {
        return n.vnode.data.key === 'c'
      }).trigger('click')
      expect(handleSelectChange).not.toHaveBeenCalled()
      done()
    })
  })

  it('should check all item when click on check all', (done) => {
    const handleSelectChange = jest.fn()
    const wrapper = mount(Transfer, {
      propsData: listCommonProps,
      listeners: {
        selectChange: handleSelectChange,
      },
      sync: false,
    })
    Vue.nextTick(() => {
      wrapper.findAll('.ant-transfer-list-header input[type="checkbox"]').filter(n => {
        return !n.vnode.data.domProps.checked
      }).trigger('change')
      expect(handleSelectChange).toHaveBeenCalledWith(['a'], ['b'])
      done()
    })
  })

  it('should uncheck all item when click on uncheck all', (done) => {
    const handleSelectChange = jest.fn()
    const wrapper = mount(Transfer, {
      propsData: listCommonProps,
      listeners: {
        selectChange: handleSelectChange,
      },
      sync: false,
    })
    Vue.nextTick(() => {
      wrapper.findAll('.ant-transfer-list-header input[type="checkbox"]').filter(n => {
        return n.vnode.data.domProps.checked
      }).trigger('change')
      expect(handleSelectChange).toHaveBeenCalledWith([], [])
      done()
    })
  })

  it('should call `filterOption` when use input in search box', (done) => {
    const filterOption = (inputValue, option) => inputValue === option.title
    const wrapper = mount(Transfer, {
      propsData: {
        ...listCommonProps,
        showSearch: true,
        filterOption,
      },
      sync: false,
    })
    Vue.nextTick(() => {
      const input = wrapper.findAll('.ant-transfer-list-body-search-wrapper input').at(0)
      input.element.value = 'a'
      input.trigger('change')
      Vue.nextTick(() => {
        expect(wrapper.findAll('.ant-transfer-list-content')
          .at(0)
          .find('.ant-transfer-list-content-item')
          .findAll('input[type="checkbox"]')).toHaveLength(1)
        done()
      })
    })
  })

  it('should display the correct count of items when filter by input', (done) => {
    const filterOption = (inputValue, option) => option.description.indexOf(inputValue) > -1
    const renderFunc = item => item.title
    const wrapper = mount(Transfer, {
      propsData: {
        ...searchTransferProps,
        showSearch: true,
        filterOption,
        render: renderFunc,
      },
      sync: false,
    })
    Vue.nextTick(() => {
      const input = wrapper.findAll('.ant-transfer-list-body-search-wrapper input').at(0)
      input.element.value = 'content2'
      input.trigger('change')
      Vue.nextTick(() => {
        expect(wrapper.findAll('.ant-transfer-list')
          .at(0)
          .findAll('.ant-transfer-list-header-selected > span')
          .at(0)
          .text()
          .trim()).toEqual('1 items')
        done()
      })
    })
  })

  it('should just check the filtered item when click on check all after search by input', (done) => {
    const filterOption = (inputValue, option) => option.description.indexOf(inputValue) > -1
    const renderFunc = item => item.title
    const handleSelectChange = jest.fn()
    const wrapper = mount(Transfer, {
      propsData: {
        ...searchTransferProps,
        showSearch: true,
        filterOption,
        render: renderFunc,
      },
      listeners: {
        selectChange: handleSelectChange,
      },
      sync: false,
    })
    Vue.nextTick(() => {
      const input = wrapper.findAll('.ant-transfer-list-body-search-wrapper input').at(0)
      input.element.value = 'content2'
      input.trigger('change')
      Vue.nextTick(() => {
        wrapper.findAll('.ant-transfer-list')
          .at(0)
          .findAll('.ant-transfer-list-header input[type="checkbox"]').filter(n => {
            return !n.vnode.data.domProps.checked
          }).trigger('change')
        expect(handleSelectChange).toHaveBeenCalledWith(['1'], [])
        done()
      })
    })
  })

  it('should transfer just the filtered item after search by input', (done) => {
    const filterOption = (inputValue, option) => option.description.indexOf(inputValue) > -1
    const renderFunc = item => item.title
    const handleChange = jest.fn()
    const handleSelectChange = (sourceSelectedKeys, targetSelectedKeys) => {
      wrapper.setProps({
        selectedKeys: [...sourceSelectedKeys, ...targetSelectedKeys],
      })
    }
    const wrapper = mount(Transfer, {
      propsData: {
        ...searchTransferProps,
        showSearch: true,
        filterOption,
        render: renderFunc,
      },
      listeners: {
        selectChange: handleSelectChange,
        change: handleChange,
      },
      sync: false,
    })
    Vue.nextTick(() => {
      const input = wrapper.findAll('.ant-transfer-list-body-search-wrapper input').at(0)
      input.element.value = 'content2'
      input.trigger('change')
      Vue.nextTick(() => {
        wrapper.findAll('.ant-transfer-list')
          .at(0)
          .findAll('.ant-transfer-list-header input[type="checkbox"]').filter(n => {
            return !n.vnode.data.domProps.checked
          }).trigger('change')
        Vue.nextTick(() => {
          wrapper.findAll('.ant-btn').at(0).trigger('click')
          expect(handleChange).toHaveBeenCalledWith(['1', '3', '4'], 'right', ['1'])
          done()
        })
      })
    })
  })

  it('should check correctly when there is a search text', (done) => {
    const newProps = { ...listCommonProps }
    delete newProps.targetKeys
    delete newProps.selectedKeys
    const handleSelectChange = jest.fn()
    const wrapper = mount(Transfer, {
      propsData: {
        ...newProps,
        showSearch: true,
        render: item => item.title,
      },
      listeners: {
        selectChange: handleSelectChange,
      },
      sync: false,
    })
    Vue.nextTick(() => {
      wrapper.findAll('.ant-transfer-list-content-item').filter(n => {
        return n.vnode.data.key === 'b'
      }).trigger('click')
      expect(handleSelectChange).toHaveBeenLastCalledWith(['b'], [])

      const input = wrapper.findAll('.ant-transfer-list-body-search-wrapper input').at(0)
      input.element.value = 'a'
      input.trigger('change')
      Vue.nextTick(() => {
        wrapper.findAll('.ant-transfer-list')
          .at(0)
          .findAll('.ant-transfer-list-header input[type="checkbox"]').trigger('change')
        Vue.nextTick(() => {
          expect(handleSelectChange).toHaveBeenLastCalledWith(['b', 'a'], [])
          wrapper.findAll('.ant-transfer-list')
            .at(0)
            .findAll('.ant-transfer-list-header input[type="checkbox"]').trigger('change')
          expect(handleSelectChange).toHaveBeenLastCalledWith(['b'], [])
          done()
        })
      })
    })
  })

  it('should show sorted targetkey', () => {
    const sortedTargetKeyProps = {
      dataSource: [{
        key: 'a',
        title: 'a',
      }, {
        key: 'b',
        title: 'b',
      }, {
        key: 'c',
        title: 'c',
      }],
      targetKeys: ['c', 'b'],
      lazy: false,
    }

    const props = {
      propsData: {
        ...sortedTargetKeyProps,
        render: item => item.title,
      },
    }
    const wrapper = renderToString(Transfer, props)
    expect(wrapper).toMatchSnapshot()
  })
  it('should add custom styles when their props are provided', async () => {
    const style = {
      backgroundColor: 'red',
    }
    const listStyle = {
      backgroundColor: 'blue',
    }
    const operationStyle = {
      backgroundColor: 'yellow',
    }
    const transferProps = {
      props: {
        ...listCommonProps,
        listStyle,
        operationStyle,
      },
      style,
    }
    const component = mount({
      render () {
        return <Transfer {...transferProps}/>
      },
    }, { sync: false })
    await asyncExpect(() => {
      const wrapper = component.find('.ant-transfer')
      const list = component.findAll('.ant-transfer-list')
      const listSource = list.at(0)
      const listTarget = list.at(list.length - 1)
      const operation = component.findAll('.ant-transfer-operation').at(0)
      expect(wrapper.element.style).toHaveProperty('backgroundColor', 'red')
      expect(listSource.element.style).toHaveProperty('backgroundColor', 'blue')
      expect(listTarget.element.style).toHaveProperty('backgroundColor', 'blue')
      expect(operation.element.style).toHaveProperty('backgroundColor', 'yellow')
    })
  })
})