import _extends from "@babel/runtime/helpers/extends";
import _objectWithoutProperties from "@babel/runtime/helpers/objectWithoutProperties";
import _classCallCheck from "@babel/runtime/helpers/classCallCheck";
import _createClass from "@babel/runtime/helpers/createClass";
import _assertThisInitialized from "@babel/runtime/helpers/assertThisInitialized";
import _inherits from "@babel/runtime/helpers/inherits";
import _possibleConstructorReturn from "@babel/runtime/helpers/possibleConstructorReturn";
import _getPrototypeOf from "@babel/runtime/helpers/getPrototypeOf";
import _defineProperty from "@babel/runtime/helpers/defineProperty";
var _excluded = ["className", "disableLabelChanges", "labelText", "multiple", "role", "tabIndex", "buttonKind", "accept", "name", "disabled"],
    _excluded2 = ["iconDescription", "status", "invalid"],
    _excluded3 = ["iconDescription", "buttonLabel", "buttonKind", "filenameStatus", "labelDescription", "labelTitle", "className", "multiple", "accept", "name"];

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }

/**
 * Copyright IBM Corp. 2016, 2018
 *
 * This source code is licensed under the Apache-2.0 license found in the
 * LICENSE file in the root directory of this source tree.
 */

/* eslint react/no-multi-comp: "off" */
import React, { Component } from 'react';
import PropTypes from 'prop-types';
import classNames from 'classnames';
import { settings } from '../../globals/js';
import { CheckmarkGlyph, CloseGlyph, WarningSolidGlyph } from '@wfp/icons-react';
import Loading from '../Loading';
import uid from '../../tools/uniqueId';
import { ButtonTypes } from '../../prop-types/types';
var prefix = settings.prefix;
export var FileUploaderButton = /*#__PURE__*/function (_Component) {
  _inherits(FileUploaderButton, _Component);

  var _super = _createSuper(FileUploaderButton);

  function FileUploaderButton() {
    var _this;

    _classCallCheck(this, FileUploaderButton);

    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    _this = _super.call.apply(_super, [this].concat(args));

    _defineProperty(_assertThisInitialized(_this), "state", {});

    _defineProperty(_assertThisInitialized(_this), "handleChange", function (evt) {
      var files = evt.target.files;
      var length = evt.target.files.length;

      if (files && !_this.props.disableLabelChanges) {
        if (length > 1) {
          _this.setState({
            labelText: "".concat(length, " files")
          });
        } else if (length === 1) {
          _this.setState({
            labelText: files[0].name
          });
        }
      }

      _this.props.onChange(evt);
    });

    return _this;
  }

  _createClass(FileUploaderButton, [{
    key: "render",
    value: function render() {
      var _classNames,
          _this2 = this;

      var _this$props = this.props,
          className = _this$props.className,
          disableLabelChanges = _this$props.disableLabelChanges,
          labelText = _this$props.labelText,
          multiple = _this$props.multiple,
          role = _this$props.role,
          tabIndex = _this$props.tabIndex,
          buttonKind = _this$props.buttonKind,
          accept = _this$props.accept,
          name = _this$props.name,
          disabled = _this$props.disabled,
          other = _objectWithoutProperties(_this$props, _excluded);

      var classes = classNames("".concat(prefix, "--btn"), className, (_classNames = {}, _defineProperty(_classNames, "".concat(prefix, "--btn--").concat(buttonKind), buttonKind), _defineProperty(_classNames, "".concat(prefix, "--btn--disabled"), disabled), _classNames));
      this.uid = this.props.id || uid();
      return /*#__PURE__*/React.createElement(React.Fragment, null, /*#__PURE__*/React.createElement("label", _extends({
        tabIndex: disabled ? -1 : tabIndex || 0,
        "aria-disabled": disabled,
        className: classes,
        onKeyDown: function onKeyDown(evt) {
          if (evt.which === 13 || evt.which === 32) {
            _this2.input.click();
          }
        },
        htmlFor: this.uid
      }, other), /*#__PURE__*/React.createElement("span", {
        role: role
      }, this.state.labelText)), /*#__PURE__*/React.createElement("input", {
        className: "".concat(prefix, "--visually-hidden"),
        ref: function ref(input) {
          return _this2.input = input;
        },
        id: this.uid,
        disabled: disabled,
        type: "file",
        tabIndex: "-1",
        multiple: multiple,
        accept: accept,
        name: name,
        onChange: this.handleChange,
        onClick: function onClick(evt) {
          evt.target.value = null;
        }
      }));
    }
  }], [{
    key: "getDerivedStateFromProps",
    value: function getDerivedStateFromProps(_ref, state) {
      var labelText = _ref.labelText;
      var prevLabelText = state.prevLabelText;
      return prevLabelText === labelText ? null : {
        labelText: labelText,
        prevLabelText: labelText
      };
    }
  }]);

  return FileUploaderButton;
}(Component);

_defineProperty(FileUploaderButton, "propTypes", {
  /**
   * Provide a custom className to be applied to the container node
   */
  className: PropTypes.string,

  /**
   * Specify whether you want to disable any updates to the FileUploaderButton
   * label
   */
  disableLabelChanges: PropTypes.bool,

  /**
   * Provide a unique id for the underlying <input> node
   */
  id: PropTypes.string,

  /**
   * Provide the label text to be read by screen readers when interacting with
   * this control
   */
  labelText: PropTypes.node,

  /**
   * Specify whether you want the component to list the files that have been
   * submitted to be uploaded
   */
  listFiles: PropTypes.bool,

  /**
   * Specify if the component should accept multiple files to upload
   */
  multiple: PropTypes.bool,

  /**
   * Provide a name for the underlying <input> node
   */
  name: PropTypes.string,

  /**
   * Provide an optional `onChange` hook that is called each time the <input>
   * value changes
   */
  onChange: PropTypes.func,

  /**
   * Provide an optional `onClick` hook that is called each time the button is
   * clicked
   */
  onClick: PropTypes.func,

  /**
   * Provide an accessibility role for the <FileUploaderButton>
   */
  role: PropTypes.string,

  /**
   * Provide a custom tabIndex value for the <FileUploaderButton>
   */
  tabIndex: PropTypes.number,

  /**
   * Specify the type of underlying button
   */
  buttonKind: ButtonTypes.buttonKind,

  /**
   * Specify the types of files that this input should be able to receive
   */
  accept: PropTypes.arrayOf(PropTypes.string),

  /**
   * Specify whether file input is disabled
   */
  disabled: PropTypes.bool
});

_defineProperty(FileUploaderButton, "defaultProps", {
  tabIndex: 0,
  disableLabelChanges: false,
  labelText: 'Add file',
  buttonKind: 'primary',
  multiple: false,
  onChange: function onChange() {},
  onClick: function onClick() {},
  accept: [],
  disabled: false,
  role: 'button'
});

export function Filename(_ref2) {
  var iconDescription = _ref2.iconDescription,
      status = _ref2.status,
      invalid = _ref2.invalid,
      other = _objectWithoutProperties(_ref2, _excluded2);

  switch (status) {
    case 'uploading':
      return /*#__PURE__*/React.createElement(Loading, {
        description: iconDescription,
        withOverlay: false,
        small: true
      });

    case 'edit':
      return /*#__PURE__*/React.createElement(React.Fragment, null, invalid && /*#__PURE__*/React.createElement(WarningSolidGlyph, {
        className: "".concat(prefix, "--file-invalid")
      }), /*#__PURE__*/React.createElement(CloseGlyph, _extends({
        className: "".concat(prefix, "--file-close"),
        "aria-label": iconDescription
      }, other)));

    case 'complete':
      return /*#__PURE__*/React.createElement(CheckmarkGlyph, _extends({
        className: "".concat(prefix, "--file-complete"),
        "aria-label": iconDescription
      }, other));

    default:
      return null;
  }
}
Filename.propTypes = {
  /**
   * Provide a description of the SVG icon to denote file upload status
   */
  iconDescription: PropTypes.string,

  /**
   * Status of the file upload
   */
  status: PropTypes.oneOf(['edit', 'complete', 'uploading']),

  /**
   * Provide a custom tabIndex value for the <Filename>
   */
  tabIndex: PropTypes.string
};
Filename.defaultProps = {
  iconDescription: 'Uploading file',
  status: 'uploading',
  tabIndex: '0'
};

var FileUploader = /*#__PURE__*/function (_Component2) {
  _inherits(FileUploader, _Component2);

  var _super2 = _createSuper(FileUploader);

  function FileUploader() {
    var _this3;

    _classCallCheck(this, FileUploader);

    for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
      args[_key2] = arguments[_key2];
    }

    _this3 = _super2.call.apply(_super2, [this].concat(args));

    _defineProperty(_assertThisInitialized(_this3), "state", {
      filenames: []
    });

    _defineProperty(_assertThisInitialized(_this3), "nodes", []);

    _defineProperty(_assertThisInitialized(_this3), "handleChange", function (evt) {
      evt.stopPropagation();

      _this3.setState({
        filenames: _this3.state.filenames.concat(Array.prototype.map.call(evt.target.files, function (file) {
          return file.name;
        }))
      });

      if (_this3.props.onChange) {
        _this3.props.onChange(evt);
      }
    });

    _defineProperty(_assertThisInitialized(_this3), "handleClick", function (evt, index) {
      var filteredArray = _this3.state.filenames.filter(function (filename) {
        return filename !== _this3.nodes[index].innerText.trim();
      });

      _this3.setState({
        filenames: filteredArray
      });

      _this3.props.onClick(evt);
    });

    _defineProperty(_assertThisInitialized(_this3), "clearFiles", function () {
      // A clearFiles function that resets filenames and can be referenced using a ref by the parent.
      _this3.setState({
        filenames: []
      });
    });

    return _this3;
  }

  _createClass(FileUploader, [{
    key: "render",
    value: function render() {
      var _classNames2,
          _this4 = this;

      var _this$props2 = this.props,
          iconDescription = _this$props2.iconDescription,
          buttonLabel = _this$props2.buttonLabel,
          buttonKind = _this$props2.buttonKind,
          filenameStatus = _this$props2.filenameStatus,
          labelDescription = _this$props2.labelDescription,
          labelTitle = _this$props2.labelTitle,
          className = _this$props2.className,
          multiple = _this$props2.multiple,
          accept = _this$props2.accept,
          name = _this$props2.name,
          other = _objectWithoutProperties(_this$props2, _excluded3);

      var classes = classNames((_classNames2 = {}, _defineProperty(_classNames2, "".concat(prefix, "--form-item"), true), _defineProperty(_classNames2, className, className), _classNames2));
      return /*#__PURE__*/React.createElement("div", _extends({
        className: classes
      }, other), /*#__PURE__*/React.createElement("strong", {
        className: "".concat(prefix, "--file--label")
      }, labelTitle), /*#__PURE__*/React.createElement("p", {
        className: "".concat(prefix, "--label-description")
      }, labelDescription), /*#__PURE__*/React.createElement(FileUploaderButton, {
        labelText: buttonLabel,
        multiple: multiple,
        buttonKind: buttonKind,
        onChange: this.handleChange,
        disableLabelChanges: true,
        accept: accept,
        name: name
      }), /*#__PURE__*/React.createElement("div", {
        className: "".concat(prefix, "--file-container")
      }, this.state.filenames.length === 0 ? null : this.state.filenames.map(function (name, index) {
        return /*#__PURE__*/React.createElement("span", _extends({
          key: index,
          className: "".concat(prefix, "--file__selected-file"),
          ref: function ref(node) {
            return _this4.nodes[index] = node;
          } // eslint-disable-line

        }, other), /*#__PURE__*/React.createElement("p", {
          className: "".concat(prefix, "--file-filename")
        }, name), /*#__PURE__*/React.createElement("span", {
          className: "".concat(prefix, "--file__state-container")
        }, /*#__PURE__*/React.createElement(Filename, {
          iconDescription: iconDescription,
          status: filenameStatus,
          onKeyDown: function onKeyDown(evt) {
            if (evt.which === 13 || evt.which === 32) {
              _this4.handleClick(evt, index);
            }
          },
          onClick: function onClick(evt) {
            if (filenameStatus === 'edit') {
              _this4.handleClick(evt, index);
            }
          }
        })));
      })));
    }
  }], [{
    key: "getDerivedStateFromProps",
    value: function getDerivedStateFromProps(_ref3, state) {
      var filenameStatus = _ref3.filenameStatus;
      var prevFilenameStatus = state.prevFilenameStatus;
      return prevFilenameStatus === filenameStatus ? null : {
        filenameStatus: filenameStatus,
        prevFilenameStatus: filenameStatus
      };
    }
  }]);

  return FileUploader;
}(Component);

_defineProperty(FileUploader, "propTypes", {
  /**
   * Provide a description for the complete/close icon that can be read by screen readers
   */
  iconDescription: PropTypes.string,

  /**
   * Provide the label text to be read by screen readers when interacting with
   * the <FileUploaderButton>
   */
  buttonLabel: PropTypes.string,

  /**
   * Specify the type of the <FileUploaderButton>
   */
  //buttonKind: PropTypes.oneOf(buttonKinds),

  /**
   * Specify the status of the File Upload
   */
  //filenameStatus: PropTypes.oneOf(['edit', 'complete', 'uploading'])
  //  .isRequired,

  /**
   * Specify the description text of this <FileUploader>
   */
  labelDescription: PropTypes.string,

  /**
   * Specify the title text of this <FileUploader>
   */
  labelTitle: PropTypes.string,

  /**
   * Specify if the component should accept multiple files to upload
   */
  multiple: PropTypes.bool,

  /**
   * Provide a name for the underlying <input> node
   */
  name: PropTypes.string,

  /**
   * Provide an optional `onChange` hook that is called each time the input is
   * changed
   */
  onChange: PropTypes.func,

  /**
   * Provide an optional `onClick` hook that is called each time the button is
   * clicked
   */
  onClick: PropTypes.func,

  /**
   * Provide a custom className to be applied to the container node
   */
  className: PropTypes.string
  /**
   * Specify the types of files that this input should be able to receive
   */
  //accept: PropTypes.arrayOf(PropTypes.string),

});

_defineProperty(FileUploader, "defaultProps", {
  iconDescription: 'Provide icon description',
  filenameStatus: 'uploading',
  buttonLabel: '',
  buttonKind: 'primary',
  multiple: false,
  onClick: function onClick() {},
  accept: []
});

export { FileUploader as default };