import { Form, FormItemsManager, useForm } from '@livelybone/react-form'

const formItems = new FormItemsManager({
  name: { name: 'name', value: '' },
  phone: { name: 'phone', value: '', formatter: val => val.replace(/[^\d]+/g, '') },
  amount: {
    name: 'amount',
    value: '',
    validator: val => /^((0|[1-9]\d*)(\.\d+)?)?$/.test(val) ? '' : 'Amount is invalid',
  },
})

// In class component
class Comp extends React.Component {
  form!: any
  
  constructor(props) {
    super(props)
    this.form = new Form(formItems.getItems(['name', 'phone', 'amount']), {
      validateOnChange: true,
      componentUpdateFn: this.forceUpdate.bind(this),
    })
  }


  render() {
    return (
      <div>
        {this.form.items.map(item => (
          <input
            id={item.id}
            value={item.value}
            key={item.id}
            onChange={ev => this.form.itemChange(item.name, ev.target.value)}
          />
        ))}
      </div>
    )
  }
}

// In functional component
const FnComp = () => {
  const form = useForm(formItems.getItems(['name', 'phone', 'amount']), { validateOnChange: true })

  return (
    <div>
      {this.form.items.map(item => (
        <input
          id={item.id}
          value={item.value}
          key={item.id}
          onChange={ev => form.itemChange(item.name, ev.target.value)}
        />
      ))}
    </div>
  )
}