import {describe, expect, it} from 'vitest'
import {mount} from '@vue/test-utils'
import type {DefineComponent} from 'vue'
import InputNumber from './InputNumber.vue'

type InputNumberProps = {
  modelValue?: string | null
  label?: string
  readonly?: boolean
  min?: number | string
  max?: number | string
}

const InputNumberForTest = InputNumber as DefineComponent<InputNumberProps>

const mountInputNumber = (props: InputNumberProps = {}) =>
  mount(InputNumberForTest, {
    props,
    global: {
      stubs: {
        IconifyIcon: {
          template: '<span data-test="icon" v-bind="$attrs" />',
        },
      },
    },
  })

describe('MalioInputNumber', () => {
  it('renders the input with a fixed 20px height', () => {
    const wrapper = mountInputNumber()
    const input = wrapper.get('input')

    expect(input.classes()).toContain('h-[20px]')
  })

  it('renders the increment and decrement buttons with a fixed 20px height', () => {
    const wrapper = mountInputNumber()
    const buttons = wrapper.findAll('button')

    expect(buttons).toHaveLength(2)
  })

  it('still emits update:modelValue on input', async () => {
    const wrapper = mountInputNumber({modelValue: ''})
    const input = wrapper.get('input')

    await input.setValue('99')

    expect(wrapper.emitted('update:modelValue')?.[0]).toEqual(['99'])
  })

  it('filters letters from the input value', async () => {
    const wrapper = mountInputNumber({modelValue: ''})
    const input = wrapper.get('input')

    await input.setValue('a1b2c3')

    expect(wrapper.emitted('update:modelValue')?.[0]).toEqual(['123'])
    expect(input.element.value).toBe('123')
  })

  it('increments the current value when clicking plus', async () => {
    const wrapper = mountInputNumber({modelValue: '2'})

    await wrapper.findAll('button')[1].trigger('click')

    expect(wrapper.emitted('update:modelValue')?.[0]).toEqual(['3'])
  })

  it('decrements the current value when clicking minus', async () => {
    const wrapper = mountInputNumber({modelValue: '2'})

    await wrapper.findAll('button')[0].trigger('click')

    expect(wrapper.emitted('update:modelValue')?.[0]).toEqual(['1'])
  })

  it('does not change the value from buttons when readonly', async () => {
    const wrapper = mountInputNumber({modelValue: '2', readonly: true})

    await wrapper.findAll('button')[1].trigger('click')

    expect(wrapper.emitted('update:modelValue')).toBeUndefined()
  })

  it('disables minus and prevents decrement at min', async () => {
    const wrapper = mountInputNumber({modelValue: '2', min: 2})
    const minusButton = wrapper.findAll('button')[0]

    expect(minusButton.attributes('disabled')).toBeDefined()

    await minusButton.trigger('click')

    expect(wrapper.emitted('update:modelValue')).toBeUndefined()
  })

  it('disables plus and prevents increment at max', async () => {
    const wrapper = mountInputNumber({modelValue: '2', max: 2})
    const plusButton = wrapper.findAll('button')[1]

    expect(plusButton.attributes('disabled')).toBeDefined()

    await plusButton.trigger('click')

    expect(wrapper.emitted('update:modelValue')).toBeUndefined()
  })

  it('clamps manual input to max', async () => {
    const wrapper = mountInputNumber({modelValue: '', max: 5})
    const input = wrapper.get('input')

    await input.setValue('12')

    expect(wrapper.emitted('update:modelValue')?.[0]).toEqual(['5'])
    expect(input.element.value).toBe('5')
  })
})