/*
 * @Description: 右侧代码块 
 * @Author: tangjiang 
 * @Date: 2019-11-18 08:42:04 
 * @Last Modified by: tangjiang
 * @Last Modified time: 2019-11-20 00:00:34
 */

import './index.scss';

import React, { Fragment, useState, useRef, useEffect } from 'react';
import { Icon, Drawer, Tabs, Button, notification } from 'antd';
import _ from 'lodash';
import MonacoEditor from '@monaco-editor/react';
import { connect } from 'react-redux';
import InitTabCtx from './initTabCtx';
import SettingDrawer from '../../components/monacoSetting';
import CONST from '../../../../constants';
import actions from '../../../../redux/actions';

const { fontSetting, opacitySetting } = CONST;

const { TabPane } = Tabs;

const RightPaneCode = (props) => {

  const [showDrawer, setShowDrawer] = useState(false); // 控制配置滑框
  const [defaultActiveKey, setDefaultActiveKey] = useState('1'); // 当前选中的tab
  const [showTextResult, setShowTextResult] = useState(false); // 是否点击控制台按钮
  const [editCode, setEditCode] = useState(()=> {
    return '#include <stdio.h>';
  });  // monaco编辑器内容
  const [language, setLanguage] = useState('C')
  const [fontSize,setFontSize] = useState(12);
  const editorRef = useRef(null); // 编辑器ref

  useEffect(() => {
    if (props.language) {
      // console.log('当前输入的代码:', editCode);
      // console.log('当前输入的语言:', props.language);
      setLanguage(props.language)
    }
  }, [props.language]);

  useEffect(() => {
  }, [props.testCases]);

  useEffect(() => {
  }, [editCode]);

  // 监听store中编辑器内容变化
  useEffect(() => {
    setEditCode(props.code);
  }, [props.code]);

  // 打开设置
  const handleShowDrawer = (e) => {
    e.preventDefault();
    setShowDrawer(true);
  }

  // 关闭设置
  const handleDrawerClose = (e) => {
    e.preventDefault();
    setShowDrawer(false);
  }

  // 切换tab
  const handleTabChange = (key) => {
    setDefaultActiveKey(key);
  }

  // 显示/隐藏tab
  const handleShowControl = () => {
    setShowTextResult(!showTextResult);
  }

  // 侧边栏改变字体大小
  const handleFontSizeChange = (value) => {
    setFontSize(value);
  }
  // 文本框内容变化时，记录文本框内容
  const handleEditorChange = (origin, monaco) => {
    editorRef.current = monaco; // 获取当前monaco实例
    setEditCode(origin); // 保存编辑器初始值
    editorRef.current.onDidChangeModelContent(e => { // 监听编辑器内容的变化
      // TODO 需要优化 节流
      const val = editorRef.current.getValue();
      setEditCode(val); 
      // 保存当前代码
      props.saveOjFormCode(val);
    });
  }

  // 提交按钮点击
  const handleSubmit = (e) => {
    e.preventDefault();
    if (!editCode) {
      notification['error']({
        message: '必填',
        description: '代码块内容必须输入!'
      });
      editorRef.current.focus();
      return;
    }
    props.changePublishLoadingStatus(true);
    const { onSubmitForm } = props;
    onSubmitForm(editCode); 
  }

  // 调试测试代码
  // const handleTestCode = () => {
  //   // 打开控制台信息
  //   setShowTextResult(true);
  //   this.formRef.handleTestCodeFormSubmit(() => {
  //     // 当验证通过后 切换tab 到代码执行结果
  //     setDefaultActiveKey('2');
  //   });
  // }
  
  // 控制台点击时 添加active属性
  const classNames = `control_tab ${showTextResult ? 'move_up move_up_final' : 'move_down_final'}`;

  // 配置编辑器属性
  const editorOptions = {
    selectOnLineNumbers: true,
    automaticLayout: true,
    fontSize: `${fontSize}px`
  }

  // 返回渲染值
  return (
    <Fragment>
      <div className={'right_pane_code_wrap'}>
        <div className={'code-title'}>
          <span></span>
          <Icon className={'code-icon'} type="setting" onClick={handleShowDrawer}/>
        </div>
        {/** 代码编辑器 */}
        <MonacoEditor
          height={showTextResult ? 'calc(100% - 382px)' : 'calc(100% - 112px)'}
          width="100%"
          language={language.toLowerCase()}
          value={editCode}
          options={editorOptions}
          theme="dark"
          editorDidMount={handleEditorChange}
        />
        {/* 控制台信息 */}
        <div className="pane_control_area">
          <Tabs
            className={classNames}
            activeKey={defaultActiveKey} 
            tabBarStyle={{ backgroundColor: '#000', color: '#fff' }}
            onChange={handleTabChange}
          >
            <TabPane tab={'自定义测试用例'} key={'1'} style={{ height: '280px', overflowY: 'auto' }}>
              <InitTabCtx wrappedComponentRef={(form) => this.formRef = form }/>
            </TabPane>
            <TabPane tab={'代码执行结果'} key={'2'} style={{ height: '280px', overflowY: 'auto' }}>
              <h2>代码执行结果</h2>
            </TabPane>
          </Tabs>
          <div className="pane_control_opts">
            <Button type="link" style={{ color: '#fff' }} onClick={handleShowControl}>控制台 <Icon type={ showTextResult ? "down" : "up" } /></Button>
            <p>
              {/* <Button ghost 
                style={{ marginRight: '10px', color: '#28BD8B', borderColor: '#28BD8B' }} 
                onClick={handleTestCode}
                disabled={!props.identifier || props.testCases.length === 0}
              >调试代码</Button> */}
              <Button 
                loading={props.submitLoading}
                type="primary"
                onClick={handleSubmit}
            >{props.identifier ? '更新' : '提交'}</Button>
            </p>
          </div>
        </div>
      </div>
      <Drawer
        className={'setting_drawer'}
        placement="right"
        closable={false}
        onClose={handleDrawerClose}
        visible={showDrawer}
      >
        <SettingDrawer {...fontSetting} onChangeFontSize={handleFontSizeChange}/>
        <SettingDrawer {...opacitySetting}/>
      </Drawer>
    </Fragment>
  );
}

const mapStateToProps = (state) => {
  const { ojForm, testCases, identifier, code } = state.ojFormReducer;
  const { submitLoading } = state.commonReducer;
  return {
    language: ojForm.language,
    testCases,
    identifier,
    code,
    submitLoading
  }
};

const mapDispatchToProps = (dispatch) => ({
  saveOjFormCode: (code) => dispatch(actions.saveOjFormCode(code)),
  changePublishLoadingStatus: (flag) => dispatch(actions.changeSubmitLoadingStatus(flag))
});
// 
export default connect(
  mapStateToProps,
  mapDispatchToProps
)(RightPaneCode);