// Components
import VSparkline from '../VSparkline'

// Utilities
import {
  mount,
  Wrapper,
} from '@vue/test-utils'

describe('VSparkline.ts', () => {
  type Instance = InstanceType<typeof VSparkline>
  let mountFunction: (options?: object) => Wrapper<Instance>

  beforeEach(() => {
    mountFunction = (options = {}) => {
      return mount(VSparkline, {
        ...options,
      })
    }
  })

  it('should render component and match a snapshot', async () => {
    const wrapper = mountFunction({
      propsData: {
        value: [1, 7, 42],
      },
    })

    expect(wrapper.html()).toMatchSnapshot()
  })

  it('should render component with padding and match a snapshot', async () => {
    const wrapper = mountFunction({
      propsData: {
        value: [1, 7, 42],
        padding: 20,
      },
    })

    expect(wrapper.html()).toMatchSnapshot()
  })

  it('should render smooth component and match a snapshot', async () => {
    const wrapper = mountFunction({
      propsData: {
        value: [1, 7, 42],
        smooth: 20,
      },
    })

    expect(wrapper.html()).toMatchSnapshot()
  })

  it('should render component with line width and match a snapshot', async () => {
    const wrapper = mountFunction({
      propsData: {
        value: [1, 7, 42],
        lineWidth: 42,
      },
    })

    expect(wrapper.html()).toMatchSnapshot()
  })

  it('should render component with gradient and match a snapshot', async () => {
    const wrapper = mountFunction({
      propsData: {
        value: [1, 7, 42],
        gradient: ['#000', 'red', 'rgba(80, 160, 240, 0.5)'],
      },
    })

    expect(wrapper.html()).toMatchSnapshot()
  })

  it('should render component with string labels and match a snapshot', async () => {
    const wrapper = mountFunction({
      propsData: {
        showLabels: true,
        value: [1, 7, 42],
      },
    })

    expect(wrapper.html()).toMatchSnapshot()

    wrapper.setProps({
      value: [
        {
          value: 2,
        },
        {
          value: 8,
        },
        {
          value: 43,
        },
      ],
    })

    expect(wrapper.html()).toMatchSnapshot()

    wrapper.setProps({
      labels: ['foo', 'bar', 'baz'],
    })

    expect(wrapper.html()).toMatchSnapshot()
  })

  it('should render component with bars and match a snapshot', async () => {
    const wrapper = mountFunction({
      propsData: {
        value: [1, 7, 42],
        type: 'bar',
      },
    })

    expect(wrapper.html()).toMatchSnapshot()
  })

  it('should render component with bars and negative and match a snapshot', async () => {
    const wrapper = mountFunction({
      propsData: {
        value: [-1, 1, 7, 42],
        type: 'bar',
      },
    })

    expect(wrapper.html()).toMatchSnapshot()
  })

  it('should render component with bars and gradient and match a snapshot', async () => {
    const wrapper = mountFunction({
      propsData: {
        value: [1, 7, 42],
        gradient: ['#000', 'red', 'rgba(80, 160, 240, 0.5)'],
        type: 'bar',
      },
    })

    expect(wrapper.html()).toMatchSnapshot()
  })

  it('should render component with bars and labels and match a snapshot', async () => {
    const wrapper = mountFunction({
      propsData: {
        value: [1, 7, 42],
        labels: ['Value 1', 'Value 2', 'Value 3'],
        type: 'bar',
      },
    })

    expect(wrapper.html()).toMatchSnapshot()
  })

  it('should render component with bars and auto-line-width and match a snapshot', async () => {
    const wrapper = mountFunction({
      propsData: {
        value: [1, 7, 42],
        type: 'bar',
        autoLineWidth: true,
      },
    })

    expect(wrapper.html()).toMatchSnapshot()
  })

  it('should render component with bars and line width and match a snapshot', async () => {
    const wrapper = mountFunction({
      propsData: {
        value: [1, 7, 42],
        type: 'bar',
        lineWidth: 8,
      },
    })

    expect(wrapper.html()).toMatchSnapshot()
  })

  it('should render component with bars and custom padding and match a snapshot', async () => {
    const wrapper = mountFunction({
      propsData: {
        value: [1, 7, 42],
        type: 'bar',
        padding: 12,
      },
    })

    expect(wrapper.html()).toMatchSnapshot()
  })

  it('should render component with bars and auto-line-width with custom padding and match a snapshot', async () => {
    const wrapper = mountFunction({
      propsData: {
        value: [1, 7, 42],
        type: 'bar',
        autoLineWidth: true,
        padding: 12,
      },
    })

    expect(wrapper.html()).toMatchSnapshot()
  })

  it('should render component with bars and custom label size and match a snapshot', async () => {
    const wrapper = mountFunction({
      propsData: {
        value: [1, 7, 42],
        labels: ['Value 1', 'Value 2', 'Value 3'],
        labelSize: 15,
        type: 'bar',
      },
    })

    expect(wrapper.html()).toMatchSnapshot()
  })

  it('should render component with trend and equal values and match a snapshot', async () => {
    const wrapper = mountFunction({
      propsData: {
        value: [1, 1, 1],
        type: 'trend',
      },
    })

    expect(wrapper.html()).toMatchSnapshot()
  })

  it('should render component with label size and match a snapshot', async () => {
    const wrapper = mountFunction({
      propsData: {
        value: [1, 7, 42],
        showLabels: true,
        labelSize: 14,
      },
    })

    expect(wrapper.html()).toMatchSnapshot()
  })

  it('should position labels correctly', async () => {
    const wrapper = mountFunction({
      propsData: {
        value: [1, 7, 42],
        showLabels: true,
        lineWidth: 20,
      },
    })

    expect(wrapper.html()).toMatchSnapshot()
  })

  it('should render component with bars and correct bar lengths', async () => {
    const wrapper = mountFunction({
      propsData: {
        value: [1, 2],
        type: 'bar',
      },
    })

    expect(wrapper.html()).toMatchSnapshot()

    wrapper.setProps({
      value: [-1, -2],
    })
    await wrapper.vm.$nextTick()

    expect(wrapper.html()).toMatchSnapshot()
  })

  it('should render bar component with all values 0', () => {
    const wrapper = mountFunction({
      propsData: {
        value: [0, 0, 0],
        type: 'bar',
      },
    })

    expect(wrapper.html()).toMatchSnapshot()
  })
})