/**
 * @typedef {import('micromark-util-types').Effects} Effects
 * @typedef {import('micromark-util-types').State} State
 */

import {markdownSpace} from 'micromark-util-character'

/**
 * @param {Effects} effects
 * @param {State} ok
 * @param {string} type
 * @param {number} [max=Infinity]
 * @returns {State}
 */
export function factorySpace(effects, ok, type, max) {
  const limit = max ? max - 1 : Number.POSITIVE_INFINITY
  let size = 0

  return start

  /** @type {State} */
  function start(code) {
    if (markdownSpace(code)) {
      effects.enter(type)
      return prefix(code)
    }

    return ok(code)
  }

  /** @type {State} */
  function prefix(code) {
    if (markdownSpace(code) && size++ < limit) {
      effects.consume(code)
      return prefix
    }

    effects.exit(type)
    return ok(code)
  }
}