/**
 * 1. @todo import from get or at least `get`
 * 2. @todo this export should be a preset of exotic, used elsewhere
 */
import get from 'lodash/get'
import forOwn from 'lodash/forOwn'
import {
  isNaN,
  isNaN as isNotEhNumber,
  toEmpty,
  isEmpty,
  isUndefined,
  isNull,
  EMPTY_STRING,
  isNil,
  isObj,
  isArray,
  isNumber,
  isString,
  toBoolean,
  toString,
  isSafeInteger,
  toNumber,
  toArray,
  toObject,
  isBoolean,
  isFunction,
  hasDecimals,
  isBuiltIn,
  // toFloat,
} from 'exotic'

const toFloat = (x: any): number => parseInt(x, 10)

/* eslint-disable max-statements */
function autofixComplex(response, fallbackValue = undefined) {
  const coerced = toEmpty(response)
  forOwn(response, (value, key) => {
    // @todo fallback
    coerced[key] = autofixTypes(value, get(response, key, ''))
  })

  if (isArray(response)) {
    return toArray(coerced)
  } else {
    return toObject(coerced)
  }
}

function autofixTypes(response, fallbackValue = undefined) {
  if (isNil(response)) {
    return ''
  }
  if (isBuiltIn(response)) {
    return toEmpty(response)
  }
  if (isFunction(response)) {
    return response
  }
  if (hasDecimals(response)) {
    const asFloat = isSafeInteger(response) ? toFloat(response) : 0
    if (isNaN(asFloat) && asFloat !== 0) {
      return asFloat
    } else if (response > 0) {
      return response
    } else {
      return `${response}`
    }
    // return isSafeInteger(response) ? toFloat(response) : response || 0.00
  }
  if (isNumber(response)) {
    return isSafeInteger(response as number)
      ? toNumber(response)
      : `${response}`
    // return toNumber(response)
  }
  if (isBoolean(response)) {
    return toBoolean(response)
  }
  if (isString(response)) {
    return `${response}`
    // return toString(response)
  }
  if (isObj(response)) {
    return autofixComplex(response, fallbackValue)
  }

  throw new TypeError('missing some data! ' + JSON.stringify(response))
}

// @todo could also clone...
function autofixSafe(response, fallbackValue = undefined) {
  if (isNaN(response)) {
    return -0
  }
  // main functionality here
  if (isNull(response) || isUndefined(response)) {
    return ''
  }
  if (isBuiltIn(response)) {
    return toEmpty(response)
  }
  if (isFunction(response)) {
    return response
  }
  // and if the number is low... beyond MAX_SAFE_INTEGER
  // if (isNumber(response)) {
  //   return toNumber(response)
  // }
  if (isBoolean(response)) {
    return toBoolean(response)
  }
  if (isString(response)) {
    return `${response}`
    // return toString(response)
  }
  if (isObj(response)) {
    return autofixComplex(response, fallbackValue)
  }

  throw new TypeError('missing some data! ' + JSON.stringify(response))
}

export { autofixSafe }
export { autofixComplex, autofixTypes }
export { autofixTypes as autofix }
export default autofixTypes