import { render, screen, waitFor } from '@testing-library/react'
import { validateDate } from './validateDate'

describe('validateDate()', () => {
  it('returns expected response when selected day is undefined', () => {
    const date = undefined
    const inputValue = undefined
    const { validationResponse, newDate } = validateDate({ date, inputValue })

    expect(validationResponse).toStrictEqual({
      date,
      inputValue,
      validationMessage: undefined,
      isInvalid: false,
      isDisabled: false,
      isEmpty: true,
      isValidDate: false,
    })

    expect(newDate).toBeUndefined()
  })

  it('returns expected response when selected day is invalid and input value is undefined', async () => {
    const date = new Date('potato')
    const inputValue = undefined
    const { validationResponse, newDate } = validateDate({ date, inputValue })

    expect(newDate).toBeUndefined()

    const { validationMessage, ...response } = validationResponse

    expect(response).toStrictEqual({
      date,
      inputValue,
      isInvalid: true,
      isDisabled: false,
      isEmpty: false,
      isValidDate: false,
    })

    expect(validationMessage?.status).toBe('error')

    render(validationMessage?.message)
    await waitFor(() => {
      expect(screen.getByText('Date is invalid')).toBeVisible()
    })
  })

  it('returns expected response when selected day is invalid and input value is empty string', async () => {
    const date = new Date('potato')
    const inputValue = ''
    const { validationResponse, newDate } = validateDate({ date, inputValue })

    expect(newDate).toBeUndefined()

    const { validationMessage, ...response } = validationResponse

    expect(response).toStrictEqual({
      date,
      inputValue,
      isInvalid: true,
      isDisabled: false,
      isEmpty: false,
      isValidDate: false,
    })

    expect(validationMessage?.status).toBe('error')

    render(validationMessage?.message)
    await waitFor(() => {
      expect(screen.getByText('Date is invalid')).toBeVisible()
    })
  })

  it('returns expected response when selected day is invalid and input value is valid string', async () => {
    const date = new Date('potato')
    const inputValue = 'potato'
    const { validationResponse, newDate } = validateDate({ date, inputValue })

    expect(newDate).toBeUndefined()

    const { validationMessage, ...response } = validationResponse

    expect(response).toStrictEqual({
      date,
      inputValue,
      isInvalid: true,
      isDisabled: false,
      isEmpty: false,
      isValidDate: false,
    })

    expect(validationMessage?.status).toBe('error')

    render(validationMessage?.message)
    await waitFor(() => {
      expect(screen.getByText('potato is an invalid date')).toBeVisible()
    })
  })

  it('returns expected response when selected day is disabled', async () => {
    const date = new Date('2022-03-01')
    const inputValue = '03/01/2022'
    const disabledDays = [new Date('2022-03-01')]
    const { validationResponse, newDate } = validateDate({
      date,
      inputValue,
      disabledDays,
    })

    expect(newDate).toBeUndefined()

    const { validationMessage, ...response } = validationResponse

    expect(response).toStrictEqual({
      date,
      inputValue,
      isInvalid: false,
      isDisabled: true,
      isEmpty: false,
      isValidDate: false,
    })

    expect(validationMessage?.status).toBe('error')

    render(validationMessage?.message)
    await waitFor(() => {
      expect(screen.getByText('03/01/2022 is not available, try another date')).toBeVisible()
    })
  })

  it('returns expected response when selected day is valid', () => {
    const date = new Date('2022-03-01')
    const inputValue = '03/01/2022'
    const { validationResponse, newDate } = validateDate({ date, inputValue })

    expect(validationResponse).toStrictEqual({
      date,
      inputValue,
      validationMessage: undefined,
      isInvalid: false,
      isDisabled: false,
      isEmpty: false,
      isValidDate: true,
    })

    expect(newDate).toBe(date)
  })
})