import { useIntl } from 'react-intl'

import { passwordValidators } from '@scandic-hotels/common/utils/zod/passwordValidator'
import type { PasswordValidatorKey } from '@scandic-hotels/common/utils/zod/newPassword'
import { MaterialIcon } from '../Icons/MaterialIcon'
import { Typography } from '../Typography'

import styles from './passwordInput.module.css'

export function NewPasswordValidation({
  value,
  errors,
  id,
}: {
  value: string
  errors: string[]
  id: string
}) {
  const intl = useIntl()

  if (!value) return null

  function getErrorMessage(key: PasswordValidatorKey) {
    switch (key) {
      case 'length':
        return intl.formatMessage(
          {
            id: 'passwordInput.lengthRequirement',
            defaultMessage: '{min} to {max} characters',
          },
          {
            min: 10,
            max: 40,
          }
        )
      case 'hasUppercase':
        return intl.formatMessage(
          {
            id: 'passwordInput.uppercaseRequirement',
            defaultMessage: '{count} uppercase letter',
          },
          { count: 1 }
        )
      case 'hasLowercase':
        return intl.formatMessage(
          {
            id: 'passwordInput.lowercaseRequirement',
            defaultMessage: '{count} lowercase letter',
          },
          { count: 1 }
        )
      case 'hasNumber':
        return intl.formatMessage(
          {
            id: 'passwordInput.numberRequirement',
            defaultMessage: '{count} number',
          },
          { count: 1 }
        )
      case 'hasSpecialChar':
        return intl.formatMessage(
          {
            id: 'passwordInput.specialCharacterRequirement',
            defaultMessage: '{count} special character',
          },
          { count: 1 }
        )
      case 'allowedCharacters':
        return intl.formatMessage({
          id: 'passwordInput.allowedCharactersRequirement',
          defaultMessage: 'Only allowed characters',
        })
    }
  }

  return (
    <div
      className={styles.errors}
      role="status"
      aria-live="polite"
      aria-atomic="false"
      id={id}
    >
      {Object.entries(passwordValidators).map(([key, { message }]) => (
        <Typography variant="Label/xsRegular" key={key}>
          <span className={styles.helpText}>
            <Icon errorMessage={message} errors={errors} />
            {getErrorMessage(key as PasswordValidatorKey)}
          </span>
        </Typography>
      ))}
    </div>
  )
}

interface IconProps {
  errorMessage: string
  errors: string[]
}

function Icon({ errorMessage, errors }: IconProps) {
  const intl = useIntl()
  return errors.includes(errorMessage) ? (
    <MaterialIcon
      icon="close"
      color="Icon/Feedback/Error"
      size={20}
      role="img"
      aria-label={intl.formatMessage({
        id: 'common.error',
        defaultMessage: 'Error',
      })}
    />
  ) : (
    <MaterialIcon
      icon="check"
      color="Icon/Feedback/Success"
      size={20}
      role="img"
      aria-label={intl.formatMessage({
        id: 'common.success',
        defaultMessage: 'Success',
      })}
    />
  )
}