import {
  faArrowRight, faCircleNotch, faPlus,
  faPencilAlt, faSave, faTimes, faTrash, faCheck, faQuestionCircle,
  faTimesCircle, faExclamationTriangle, faSearch, faUser, faUsers,
  faAsterisk, faInfoCircle, faDollarSign,
  faCaretRight, faCaretLeft, faCaretUp, faCaretDown,
  faAngleRight, faAngleLeft, faAngleUp, faAngleDown,
  faChevronRight, faChevronLeft, faChevronUp, faChevronDown,
  faAngleDoubleRight, faAngleDoubleLeft, faCalendar, faBars, faEllipsisV,
  faFile, faFilePdf, faFileCsv,faFileExcel,faFileWord, faFilePowerpoint,
  faFileImage, faFileVideo, faFileUpload, faCloudUploadAlt, faCloudDownloadAlt,
  faClock, faUndo, faFilter
}
  from '@fortawesome/free-solid-svg-icons'

import { library } from '@fortawesome/fontawesome-svg-core'
import { expectedValues } from "@/util/prop-validators";
import { pick, isObject, isString } from "@/util/util";


library.add(
  faArrowRight, faCircleNotch, faPlus, faPencilAlt,
  faSave, faTimes, faTrash, faCheck, faQuestionCircle,
  faTimesCircle, faExclamationTriangle, faSearch, faAsterisk,
  faUser, faUsers, faInfoCircle, faDollarSign,
  faCaretRight, faCaretLeft, faCaretUp, faCaretDown,
  faAngleRight, faAngleLeft, faAngleUp, faAngleDown,
  faChevronRight, faChevronLeft, faChevronUp, faChevronDown,
  faAngleDoubleRight, faAngleDoubleLeft, faCalendar, faBars, faEllipsisV,
  faFile,faFilePdf,faFileCsv,faFileExcel,faFileWord, faFilePowerpoint,
  faFileImage, faFileVideo, faFileUpload, faCloudUploadAlt, faCloudDownloadAlt,
  faClock, faUndo, faFilter
)


export const coreIconMap: any = {
  'arrow': faArrowRight,
  'asterisk': faAsterisk,
  'busy': faCircleNotch,
  'new': faPlus,
  'edit': faPencilAlt,
  'confirm': faCheck,
  'cancel': faTimes,
  'save': faSave,
  'delete': faTrash,
  'close': faTimesCircle,
  'undo': faUndo,
  'search': faSearch,
  'filter': faFilter,
  'info': faInfoCircle,
  'success': faCheck,
  'required': faAsterisk,
  'error': faExclamationTriangle,
  'warning': faExclamationTriangle,
  'danger': faExclamationTriangle,
  'unknown': faQuestionCircle,
  'person': faUser,
  'user': faUser,
  'users': faUsers,
  'group': faUsers,
  'menu': faBars,
  'options': faEllipsisV,
  'calendar': faCalendar,
  'clock': faClock,
  'money': faDollarSign,
  'upload': faCloudUploadAlt,
  'download': faCloudDownloadAlt,
  'left': faAngleLeft,
  'right': faAngleRight,
  'up': faAngleUp,
  'down': faAngleDown,
  'first': faAngleDoubleLeft,
  'last': faAngleDoubleRight,
  'caret-left': faCaretLeft,
  'caret-right': faCaretRight,
  'caret-up': faCaretUp,
  'caret-down': faCaretDown,
  'file': faFile,
  'file-pdf':faFilePdf,
  'file-csv': faFileCsv,
  'file-excel': faFileExcel,
  'file-word': faFileWord,
  'file-powerpoint': faFilePowerpoint,
  'file-image': faFileImage,
  'file-video': faFileVideo,
  'file-upload': faFileUpload,
  'default': faAsterisk,
  'primary': faAsterisk,
  'secondary': faAsterisk,
}

export const coreIconKeys = Object.keys(coreIconMap)

export const iconValidator = function (value: string) {

  // If we don't have a value, let it pass
  if (!value) return true

  if (isString(value)) {
    let expectationCheck = expectedValues(
      ...coreIconKeys
    )
    return expectationCheck(value)

  } else if (isObject(value)) {
    return Object.keys(value).length === 0 || value.hasOwnProperty('icon')

  } else {
    return false
  }
}

export const iconPropDef = {
  required: false,
  default: undefined,
  validator: iconValidator
}


export const iconProps = {
  icon: { ...iconPropDef }
}

export const coreCustomizations = function (icon: string) {

  let customClasses = []
  let normalizedIconProp = pick(icon).trim().toLowerCase()

  switch (normalizedIconProp) {
    case 'busy':
      customClasses.push('animate-spin')
      break
    case 'success':
      customClasses.push('text-success', 'opacity-100')
      break
    case 'error':
      customClasses.push('text-danger', 'opacity-100')
      break
    case 'required':
      customClasses.push('text-danger')
      break
  }

  return customClasses
}