import _slicedToArray from "@babel/runtime/helpers/esm/slicedToArray";
import React, { useRef, useState, useEffect, forwardRef, useImperativeHandle, useContext } from 'react';
// @ts-ignore
import { generateImg, get, addEventListenerWrapper } from '@zhst/func';
import { useUpdateEffect } from '@zhst/hooks';
import { IconFont } from '@zhst/icon';
import Button from "../button";
import classNames from 'classnames';
import Viewer from "../ImageEditor/viewer";
import CornerScore from "./components/CornerScore";
import "./index.less";
import { ConfigContext } from "../config-provider";
import { EMPTY_BASE64 } from "../utils/constants";
// 对比图组件
var CompareImage = /*#__PURE__*/forwardRef(function (props, ref) {
  var customizePrefixCls = props.prefixCls,
    _props$label = props.label,
    label = _props$label === void 0 ? '标题' : _props$label,
    _props$width = props.width,
    width = _props$width === void 0 ? '400' : _props$width,
    height = props.height,
    _props$openRoll = props.openRoll,
    openRoll = _props$openRoll === void 0 ? true : _props$openRoll,
    labelColor = props.labelColor,
    _props$url = props.url,
    url = _props$url === void 0 ? '' : _props$url,
    _props$score = props.score,
    score = _props$score === void 0 ? 0 : _props$score,
    preDisable = props.preDisable,
    nextDisable = props.nextDisable,
    showScore = props.showScore,
    onNext = props.onNext,
    _props$showTools = props.showTools,
    showTools = _props$showTools === void 0 ? true : _props$showTools,
    onPre = props.onPre;
  var _useContext = useContext(ConfigContext),
    getPrefixCls = _useContext.getPrefixCls;
  var componentName = getPrefixCls('image__compater-view', customizePrefixCls);
  var imgContainerRef = useRef(null);
  var containerRef = useRef(null);
  var imgInsRef = useRef(null);
  var _useState = useState(0),
    _useState2 = _slicedToArray(_useState, 2),
    scale = _useState2[0],
    setScale = _useState2[1];

  // 初始化页面
  useEffect(function () {
    if (!url) return;
    var handleTransformChange = addEventListenerWrapper(imgContainerRef.current, 'viewer-transform-change', function (event) {
      var data = event.detail;
      setScale(get(data, 'scale', 0));
    });
    if (generateImg(url)) {
      console.log('containerRef', containerRef);
      imgInsRef.current = new Viewer(imgContainerRef.current, {
        image: generateImg(url),
        height: parseInt(height)
      });
    }
    return function () {
      var _imgInsRef$current, _imgInsRef$current$de;
      handleTransformChange === null || handleTransformChange === void 0 || handleTransformChange.remove();
      imgInsRef === null || imgInsRef === void 0 || (_imgInsRef$current = imgInsRef.current) === null || _imgInsRef$current === void 0 || (_imgInsRef$current$de = _imgInsRef$current.destroy) === null || _imgInsRef$current$de === void 0 || _imgInsRef$current$de.call(_imgInsRef$current);
      imgInsRef.current = null;
    };
  }, []);

  // 监听下标变化
  useUpdateEffect(function () {
    if (imgInsRef.current) {
      var _imgInsRef$current2;
      (_imgInsRef$current2 = imgInsRef.current) === null || _imgInsRef$current2 === void 0 || _imgInsRef$current2.refleshImage({
        image: generateImg(url)
      });
    }
  }, [url]);
  useImperativeHandle(ref, function () {
    return {
      imgInsRef: imgInsRef
    };
  });
  return /*#__PURE__*/React.createElement("div", {
    className: classNames("".concat(componentName, "__container")),
    style: {
      width: "".concat(parseInt(width), "px")
    }
  }, label && /*#__PURE__*/React.createElement("div", {
    className: classNames("".concat(componentName, "__label")),
    style: {
      backgroundColor: labelColor
    }
  }, label), !url ? /*#__PURE__*/React.createElement("div", {
    className: classNames("".concat(componentName, "__empty"))
  }, /*#__PURE__*/React.createElement("img", {
    src: EMPTY_BASE64,
    title: "\u6682\u65E0\u6570\u636E"
  }), /*#__PURE__*/React.createElement("span", {
    className: classNames("".concat(componentName, "__empty--text"))
  }, "\u6682\u65E0\u5339\u914D\u6570\u636E")) : /*#__PURE__*/React.createElement("div", {
    ref: imgContainerRef,
    className: classNames("".concat(componentName, "__view"))
  }), !!url && openRoll && /*#__PURE__*/React.createElement("div", {
    className: classNames("".concat(componentName, "__scoll-module"))
  }, /*#__PURE__*/React.createElement(Button, {
    className: classNames("".concat(componentName, "__scoll-module__btn")),
    disabled: preDisable,
    onClick: onPre,
    type: "primary",
    shape: "circle",
    style: {
      width: '56px'
    },
    icon: /*#__PURE__*/React.createElement(IconFont, {
      icon: "icon-qiehuanzuo",
      size: 32,
      color: "#fff"
    })
  }), /*#__PURE__*/React.createElement(Button, {
    className: classNames("".concat(componentName, "__scoll-module__btn")),
    disabled: nextDisable,
    onClick: onNext,
    type: "primary",
    shape: "circle",
    style: {
      width: '56px'
    },
    icon: /*#__PURE__*/React.createElement(IconFont, {
      icon: "icon-qiehuanyou",
      size: 32,
      color: "#fff"
    })
  })), (showScore || score) && /*#__PURE__*/React.createElement(CornerScore, {
    scoreTxt: score || 0
  }), showTools && /*#__PURE__*/React.createElement("div", {
    className: classNames("".concat(componentName, "__tool"))
  }, /*#__PURE__*/React.createElement(Button, {
    type: "text",
    onClick: function onClick() {
      var _imgInsRef$current3, _imgInsRef$current3$s;
      imgInsRef === null || imgInsRef === void 0 || (_imgInsRef$current3 = imgInsRef.current) === null || _imgInsRef$current3 === void 0 || (_imgInsRef$current3$s = _imgInsRef$current3.scaleTo) === null || _imgInsRef$current3$s === void 0 || _imgInsRef$current3$s.call(_imgInsRef$current3, 0.1);
    }
  }, /*#__PURE__*/React.createElement(IconFont, {
    size: 16,
    icon: 'icon-fangda'
  }), /*#__PURE__*/React.createElement("span", null, '放大')), /*#__PURE__*/React.createElement(Button, {
    type: "text",
    onClick: function onClick() {
      var _imgInsRef$current4, _imgInsRef$current4$s;
      imgInsRef === null || imgInsRef === void 0 || (_imgInsRef$current4 = imgInsRef.current) === null || _imgInsRef$current4 === void 0 || (_imgInsRef$current4$s = _imgInsRef$current4.scaleTo) === null || _imgInsRef$current4$s === void 0 || _imgInsRef$current4$s.call(_imgInsRef$current4, -0.1);
    }
  }, /*#__PURE__*/React.createElement(IconFont, {
    size: 16,
    icon: 'icon-suoxiao'
  }), /*#__PURE__*/React.createElement("span", null, '缩小')), /*#__PURE__*/React.createElement("span", {
    className: classNames("".concat(componentName, "__tool__scale"))
  }, Math.round(scale * 100) + '%'), /*#__PURE__*/React.createElement("div", {
    className: classNames("".concat(componentName, "__tool__line"))
  }), /*#__PURE__*/React.createElement(Button, {
    type: "text",
    onClick: function onClick() {
      var _imgInsRef$current5, _imgInsRef$current5$r;
      imgInsRef === null || imgInsRef === void 0 || (_imgInsRef$current5 = imgInsRef.current) === null || _imgInsRef$current5 === void 0 || (_imgInsRef$current5$r = _imgInsRef$current5.reset) === null || _imgInsRef$current5$r === void 0 || _imgInsRef$current5$r.call(_imgInsRef$current5);
    }
  }, /*#__PURE__*/React.createElement(IconFont, {
    size: 16,
    icon: 'icon-zhongzhi3'
  }), /*#__PURE__*/React.createElement("span", null, '重置'))));
});
export default CompareImage;