// 注意: 出码引擎注入的临时变量默认都以 "__$$" 开头，禁止在搭建的代码中直接访问。
// 例外：react 框架的导出名和各种组件名除外。
import React from "react";

import { Switch } from "@alifd/next";

import { createJsonpHandler as __$$createJsonpRequestHandler } from "@alilc/lowcode-datasource-jsonp-handler";

import { create as __$$createDataSourceEngine } from "@alilc/lowcode-datasource-engine/runtime";

import utils from "../../utils";

import * as __$$i18n from "../../i18n";

import "./index.css";

class Index$$Page extends React.Component {
  _context = this;

  _dataSourceConfig = this._defineDataSourceConfig();
  _dataSourceEngine = __$$createDataSourceEngine(this._dataSourceConfig, this, {
    runtimeConfig: true,
    requestHandlersMap: { jsonp: __$$createJsonpRequestHandler() },
  });

  get dataSourceMap() {
    return this._dataSourceEngine.dataSourceMap || {};
  }

  reloadDataSource = async () => {
    await this._dataSourceEngine.reloadDataSource();
  };

  constructor(props, context) {
    super(props);

    this.utils = utils;

    __$$i18n._inject2(this);

    this.state = {};
  }

  $ = () => null;

  $$ = () => [];

  _defineDataSourceConfig() {
    const _this = this;
    return {
      list: [
        {
          id: "todos",
          isInit: function () {
            return true;
          },
          type: "jsonp",
          options: function () {
            return {
              method: "GET",
              uri: "https://a0ee9135-6a7f-4c0f-a215-f0f247ad907d.mock.pstmn.io",
            };
          },
          dataHandler: function dataHandler(data) {
            return data.data;
          },
        },
      ],
    };
  }

  componentDidMount() {
    this._dataSourceEngine.reloadDataSource();
  }

  render() {
    const __$$context = this._context || this;
    const { state } = __$$context;
    return (
      <div>
        <div>
          {__$$evalArray(() => this.dataSourceMap.todos.data).map(
            (item, index) =>
              ((__$$context) => (
                <div>
                  <Switch
                    checkedChildren="开"
                    unCheckedChildren="关"
                    checked={__$$eval(() => item.done)}
                  />
                </div>
              ))(__$$createChildContext(__$$context, { item, index }))
          )}
        </div>
      </div>
    );
  }
}

export default Index$$Page;

function __$$eval(expr) {
  try {
    return expr();
  } catch (error) {}
}

function __$$evalArray(expr) {
  const res = __$$eval(expr);
  return Array.isArray(res) ? res : [];
}

function __$$createChildContext(oldContext, ext) {
  const childContext = {
    ...oldContext,
    ...ext,
  };
  childContext.__proto__ = oldContext;
  return childContext;
}
