import { rpx2vw4style as __rpx2vw__ } from "babel-runtime-jsx-style-transform";

function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

function _iterableToArrayLimit(arr, i) { var _i = arr == null ? null : typeof Symbol !== "undefined" && arr[Symbol.iterator] || arr["@@iterator"]; if (_i == null) return; var _arr = []; var _n = true; var _d = false; var _s, _e; try { for (_i = _i.call(arr); !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

import { __rest } from "tslib";
import React, { createElement, forwardRef, useEffect, useState } from "react";
import classNames from 'classnames';
import { vibrateShort } from '@uni/vibrate';
import Icon from '../icon/index';
import View from '../view';
import { isUndef } from '../utils';

var getCheckedState = function getCheckedState(props) {
  return isUndef(props.checked) ? !!props.defaultChecked : !!props.checked;
};

var Switch = function Switch(props, ref) {
  var _props$prefix = props.prefix,
      prefix = _props$prefix === void 0 ? 'mt-' : _props$prefix,
      className = props.className,
      style = props.style,
      _props$size = props.size,
      size = _props$size === void 0 ? 'medium' : _props$size,
      _props$defaultChecked = props.defaultChecked,
      defaultChecked = _props$defaultChecked === void 0 ? false : _props$defaultChecked,
      checked = props.checked,
      _props$disabled = props.disabled,
      disabled = _props$disabled === void 0 ? false : _props$disabled,
      _props$readOnly = props.readOnly,
      readOnly = _props$readOnly === void 0 ? false : _props$readOnly,
      _props$loading = props.loading,
      loading = _props$loading === void 0 ? false : _props$loading,
      _props$vibrative = props.vibrative,
      vibrative = _props$vibrative === void 0 ? true : _props$vibrative,
      onChange = props.onChange,
      others = __rest(props, ["prefix", "className", "style", "size", "defaultChecked", "checked", "disabled", "readOnly", "loading", "vibrative", "onChange"]);

  var initChecked = getCheckedState(props);

  var _useState = useState(initChecked),
      _useState2 = _slicedToArray(_useState, 2),
      hasChecked = _useState2[0],
      setChecked = _useState2[1];

  var checkedPrefix = hasChecked ? '-checked' : '';
  var disabledPrefix = disabled ? '-disabled' : '';
  var switchClassNames = classNames("".concat(prefix, "switch"), "".concat(prefix, "switch--").concat(size), _defineProperty({}, "".concat(prefix, "switch-").concat(disabledPrefix).concat(checkedPrefix), hasChecked || disabled), className);
  var switchKnobClassNames = classNames("".concat(prefix, "switch-knob"), "".concat(prefix, "switch-knob--").concat(size).concat(checkedPrefix));
  var switchLoadingClassNames = classNames("".concat(prefix, "switch-knob-loading"), "".concat(prefix, "switch-knob-loading--").concat(size));

  var onSwitchTap = function onSwitchTap(e) {
    if (disabled || readOnly) {
      return;
    }

    var checkedValue = !hasChecked;

    if (vibrative) {
      vibrateShort({}).then(function () {});
    }

    if (!('checked' in props)) {
      setChecked(checkedValue);
    }

    if (onChange) {
      onChange(checkedValue, e);
    }
  };

  useEffect(function () {
    if (initChecked !== hasChecked) {
      setChecked(initChecked);
    }
  }, [checked]);
  return /*#__PURE__*/React.createElement(View, _extends({
    className: switchClassNames,
    style: __rpx2vw__(style),
    onClick: onSwitchTap
  }, others), /*#__PURE__*/React.createElement(View, {
    className: switchKnobClassNames
  }, loading ? /*#__PURE__*/React.createElement(Icon, {
    className: switchLoadingClassNames,
    name: "loading"
  }) : null));
};

export default /*#__PURE__*/forwardRef(Switch);