import React, { useState } from 'react'
import Address from '../Address/Address'
import DocumentScanner from '../DocumentScanner/DocumentScanner'
import SubmitButton from '../../../components/SubmitButton/SubmitButton'
import FormOne from '../FormOne/FormOne'
import {
  validEmail,
  validMobileNumber,
  validPincode,
  validString
} from '../../../constants/RegEx'
import UpdateSelect from '../UpdateSelect/UpdateSelect'
import { useTranslation } from 'react-i18next'
import { userContext } from '../../../context/User'
import { ToastContainer, toast } from 'react-toastify'
import 'react-toastify/dist/ReactToastify.css'

const Demographic = () => {
  const { t } = useTranslation()
  const { userData } = userContext()

  const [page, setPage] = useState(0)

  const handleSubmit = () => {
    if (page === 0) {
      if (userData.name === '' || userData.name.length < 1) {
        toast.error(t('PLEASE_ENTER_YOUR_NAME'))
      } else if (!validString.test(userData.name)) {
        toast.error(t('PLEASE_ENTER_VALID_NAME'))
      } else if (userData.gender === '') {
        toast.error(t('PLEASE_SELECT_YOUR_GENDER'))
      } else if (userData.mobile === '') {
        toast.error(t('PLEASE_ENTER_YOUR_MOBILE_NUMBER'))
      } else if (!validMobileNumber.test(userData.mobile)) {
        toast.error(t('PLEASE_ENTER_VALID_MOBILE_NUMBER'))
      } else if (userData.email === '') {
        toast.error(t('PLEASE_ENTER_YOUR_EMAIL'))
      } else if (!validEmail.test(userData.email)) {
        toast.error(t('PLEASE_ENTER_VALID_EMAIL'))
      } else {
        setPage(page + 1)
      }
    } else if (page === 1) {
      if (userData.country === '') {
        toast.error(t('PLEASE_SELECT_YOUR_COUNTRY'))
      } else if (userData.address.state.name === '') {
        toast.error(t('PLEASE_SELECT_YOUR_STATE'))
      } else if (userData.address.district.name === '') {
        toast.error(t('PLEASE_SELECT_YOUR_DISTRICT'))
      } else if (userData.address.village === '') {
        toast.error(t('PLEASE_ENTER_YOUR_VILLAGE'))
      } else if (userData.address.houseNo === '') {
        toast.error(t('PLEASE_ENTER_YOUR_HOUSE_NUMBER'))
      } else if (userData.address.street === '') {
        toast.error(t('PLEASE_ENTER_YOUR_STREET'))
      } else if (userData.address.locality === '') {
        toast.error(t('PLEASE_ENTER_YOUR_LOCALITY'))
      } else if (userData.address.postOffice === '') {
        toast.error(t('PLEASE_ENTER_YOUR_AREA_POST_OFFICE'))
      } else if (userData.address.landmark === '') {
        toast.error(t('PLEASE_ENTER_NEAREST_LANDMARK'))
      } else if (userData.address.pincode === '') {
        toast.error(t('PLEASE_ENTER_YOUR_AREA_PINCODE'))
      } else if (!validPincode.test(userData.address.pincode)) {
        toast.error(t('PLEASE_ENTER_VALID_PINCODE'))
      } else {
        setPage(page + 1)
      }
    } else if (page === 3) {
      setPage(page + 1)
    } else setPage(page + 1)
  }

  const conditionalComponent = () => {
    switch (page) {
      case 0:
        return <FormOne />
      case 1:
        return <Address />
      case 2:
        return <DocumentScanner />
      default:
        return <UpdateSelect />
    }
  }

  const conditionalButton = () => {
    switch (page) {
      case 0:
        return <SubmitButton onClick={handleSubmit}>Next</SubmitButton>
      case 1:
        return <SubmitButton onClick={handleSubmit}>Next</SubmitButton>
      case 2:
        return <SubmitButton onClick={handleSubmit}>Next</SubmitButton>
      default:
        return <SubmitButton onClick={handleSubmit}>Next</SubmitButton>
    }
  }
  return (
    <>
      <ToastContainer
        autoClose={1000}
        hideProgressBar={true}
        theme={'colored'}
      />
      {conditionalComponent()}
      {conditionalButton()}
    </>
  )
}

export default Demographic