import type { Config, FormApi, SubmissionErrors } from 'final-form'
import type { FC } from 'react'

export { ISelectProps } from '../SelectField/SelectField'
export interface IFormActionProps {
  isNew?: boolean
  submitLabel?: string
  cancelLabel?: string
  onCancel?: VoidFunction
  hideCancel?: boolean
}

export type DeepPartial<T> = {
  [P in keyof T]?: T[P] extends object ? DeepPartial<T[P]> : T[P]
}

export type EditingFields<T> = {
  [P in keyof T]?: T[P] extends object ? EditingFields<T[P]> : T[P] | string
}

export type AsyncValidate<F> = Config<F>['validate']

export type FormSubmitHandler<F> = (
  values: EditingFields<F>,
  form: FormApi<EditingFields<F>>,
  callback?: (errors?: SubmissionErrors) => void,
) => Promise<void> | void

export type FormResultHandler<F> = (fields: F) => Promise<void>

interface IFormWrapperProps<F>
  extends Partial<
    IFormActionProps & Omit<Config<EditingFields<F>>, 'onSubmit'>
  > {
  onResult: FormResultHandler<F>
  initialValues: EditingFields<F>
}
export type FormComponent<F, P = {}> = FC<IFormWrapperProps<F> & P>