import React from 'react';
import ReactDOM from 'react-dom';
import { Carousel, Tooltip } from 'antd';
import { Link } from 'react-router-dom';
import Fullscreen from 'react-fullscreen-crossbrowser';
import './index.less';
import Page from '@src/containers/Page';
import { formatSeconds, formatPercent, formatDate, sortListWithOrder } from '@src/services/Tools';
import Assets from '@src/components/Assets';
import Navigation from '../../../components/Navigation';
import Tabs from '../../../components/Tabs';
import Icon from '../../../components/Icon';
import Switch from '../../../components/Switch';
import Select from '../../../components/Select';
import AnswerSelect from '../../../components/AnswerSelect';
import AnswerList from '../../../components/AnswerList';
import AnswerButton from '../../../components/AnswerButton';
import AnswerTable from '../../../components/AnswerTable';
import OtherAnswer from '../../../components/OtherAnswer';
import { AskTarget } from '../../../../Constant';
import { Question } from '../../../stores/question';
import { My } from '../../../stores/my';
import Sentence from '../../paper/process/sentence';

export default class extends Page {
  initState() {
    return {
      step: 0,
      hideAnalysis: true,
      analysisTab: 'official',
      showAnswer: false,
      noteField: AskTarget[0].key,
      showIds: false,
    };
  }

  initData() {
    const { id } = this.params;
    Question.getDetailById(id).then(userQuestion => {
      const { question, questionNos, paper, note, report, setting } = userQuestion;
      let { questionNo } = userQuestion;
      if (!questionNo) ([questionNo] = questionNos);
      if (!question.answer) question.answer = { questions: [] };
      if (!question.answerDistributed) question.answerDistributed = { questions: [] };
      if (!userQuestion.userAnswer) userQuestion.userAnswer = { questions: [] };
      if ((report.setting || {}).disorder) {
        const { content } = question;
        // 还原做题顺序
        content.questions.forEach((q, i) => {
          q.select = sortListWithOrder(question.select, setting.questions[i]);
        });
        question.answer.questions.forEach((q, i) => {
          Object.keys(q).forEach((k) => {
            if (q[k]) q[k] = sortListWithOrder(q[k], setting.questions[i]);
          });
        });
        question.answerDistributed.questions.forEach((q, i) => {
          Object.keys(q).forEach((k) => {
            if (q[k]) q[k] = sortListWithOrder(q[k], setting.questions[i]);
          });
        });
        userQuestion.userAnswer.questions.forEach((q, i) => {
          Object.keys(q).forEach((k) => {
            if (q[k]) q[k] = sortListWithOrder(q[k], setting.questions[i]);
          });
        });
      }
      this.setState({ userQuestion, question, questionNo, note, paper, questionNos });
    });
  }

  prevQuestion() {
    const { userQuestion } = this.state;
    if (userQuestion.no === 1) return;
    Question.getDetailByNo(userQuestion.reportId, userQuestion.no - 1).then((r) => {
      linkTo(`/paper/question/${r.id}`);
    });
  }

  nextQuestion() {
    const { userQuestion } = this.state;
    if (userQuestion.questionNumber === userQuestion.no) return;
    Question.getDetailByNo(userQuestion.reportId, userQuestion.no + 1).then((r) => {
      linkTo(`/paper/question/${r.id}`);
    });
  }

  submitAsk() {
    const { question = {}, questionNo = {}, paper = {}, ask = {} } = this.state;
    if (ask.originContent === '' || ask.content === '' || ask.target === '') return;
    My.addQuestionAsk(paper.id, ask.target, question.questionModule, questionNo.id, ask.originContent, ask.content).then(() => {
      this.setState({ askModal: false, askOkModal: true });
    }).catch(err => {
      this.setState({ askError: err.message });
    });
  }

  submitFeedbackError() {
    const { feedback = {}, question = {}, questionNo = {} } = this.state;
    if (feedback.originContent === '' || feedback.content === '' || feedback.target === '') return;
    My.addFeedbackErrorQuestion(question.questionModule, questionNo.id, questionNo.title, feedback.target, feedback.originContent, feedback.content).then(() => {
      this.setState({ feedbackModal: false, feedbackOkModal: true });
    }).catch(err => {
      this.setState({ feedbackError: err.message });
    });
  }

  submitNote(close) {
    const { question = {}, questionNo = {}, note = {} } = this.state;
    My.updateQuestionNote(question.questionModule, questionNo.id, note).then(() => {
      if (close) this.setState({ noteModal: false });
    }).catch(err => {
      this.setState({ noteError: err.message });
    });
  }

  toggleFullscreen() {
    const { isFullscreenEnabled } = this.state;
    this.setState({ isFullscreenEnabled: !isFullscreenEnabled });
  }

  toggleCollect() {
    const { userQuestion = {}, question = {}, questionNo = {} } = this.state;
    if (!userQuestion.collect) {
      My.addQuestionCollect(question.questionModule, questionNo.id).then(() => {
        userQuestion.collect = true;
        this.setState({ userQuestion });
      });
    } else {
      My.delQuestionCollect(question.questionModule, questionNo.id).then(() => {
        userQuestion.collect = false;
        this.setState({ userQuestion });
      });
    }
  }

  formatStem(text) {
    if (!text) return '';
    const { showAnswer, question = { content: {} }, userQuestion } = this.state;
    const { table = {}, questions = [] } = question.content;
    text = text.replace(/#select#/g, "<span class='#select#' />");
    text = text.replace(/#table#/g, "<span class='#table#' />");
    setTimeout(() => {
      const selectList = document.getElementsByClassName('#select#');
      const tableList = document.getElementsByClassName('#table#');
      for (let i = 0; i < selectList.length; i += 1) {
        if (!questions[i]) break;
        ReactDOM.render(
          <AnswerSelect
            list={questions[i].select}
            type={'single'}
            selected={(userQuestion.userAnswer || { questions: [] }).questions[i]}
            answer={(question.answer || { questions: [] }).questions[i]}
            fix
            show={showAnswer} />,
          selectList[i],
        );
      }
      if (table.row && table.col && table.header) {
        const columns = table.header.map((title, index) => {
          return { title, key: index };
        });
        for (let i = 0; i < tableList.length; i += 1) {
          ReactDOM.render(<AnswerTable list={columns} columns={columns} data={table.data} />, tableList[i]);
        }
      }
    }, 1);
    return text;
  }

  renderView() {
    return (
      <Fullscreen
        enabled={this.state.isFullscreenEnabled}
        onChange={isFullscreenEnabled => this.setState({ isFullscreenEnabled })}
      >
        {this.renderDetail()}
      </Fullscreen>
    );
  }

  renderDetail() {
    const { report = {} } = this.state;
    switch (report.paperModule) {
      case 'sentence':
        return <Sentence {...this.state} flow={this} scene='answer' mode='question' />;
      default:
        return <div className='base'>{this.renderBase()}</div>;
    }
  }

  renderHeader() {
    const { userQuestion = {}, questionNo = {}, paper = {}, showIds, questionNos = [], question = {} } = this.state;
    return <div className="layout-header">
      <div className="left">
        <div className="no">No.{userQuestion.stageNo || userQuestion.no}</div>
        <div className="title"><Assets name='book' />{paper.title}</div>
      </div>
      <div className="center">
        <div className="menu-wrap">
          ID:{questionNo.title}
          {questionNos && questionNos.length > 0 && <Icon name="more" onClick={() => {
            this.setState({ showIds: true });
          }} />}
          {showIds && <div className='menu-content'>
            <p>题源汇总</p>
            {(questionNos || []).map((row) => <p>ID:{row.title}</p>)}
          </div>}
        </div>
      </div>
      <div className="right" hidden={question.questionType === 'awa'}>
        <span className="b" hidden={!userQuestion.id}>
          用时：<span dangerouslySetInnerHTML={{ __html: formatSeconds(userQuestion.userTime).replace(/([0-9]+)(m|min|h|hour|s)/g, '<span class="s">$1</span>$2') }} />
          {/* 用时:<span className="s">1</span>m<span className="s">39</span>s */}
        </span>
        <span className="b">
          全站：<span dangerouslySetInnerHTML={{ __html: formatSeconds(questionNo.totalTime / questionNo.totalNumber).replace(/([0-9]+)(m|min|h|hour|s)/g, '<span class="s">$1</span>$2') }} />
          {/* 全站:<span className="s">1</span>m<span className="s">39</span>s */}
        </span>
        <span className="b">
          <span className="s">{formatPercent(questionNo.totalCorrect, questionNo.totalNumber)}</span>%
        </span>
        <Icon name="question" />
        <Icon name="star" active={userQuestion.collect} onClick={() => this.toggleCollect()} />
      </div>
    </div>;
  }

  renderBase() {
    const { questionStatus, userQuestion = {}, showIds } = this.state;
    return <div className="layout" onClick={() => {
      if (showIds) this.setState({ showIds: false });
    }}>
      {this.renderHeader()}
      <div className="layout-body">{this.renderBody()}</div>
      <div className="layout-footer">
        <div className="left">
          <Tooltip overlayClassName='gray' placement='top' title='全屏'>
            <a>
              <Icon name={this.state.isFullscreenEnabled ? 'sceen-restore' : 'sceen-full'} onClick={() => this.toggleFullscreen()} />
            </a>
          </Tooltip>
        </div>
        <div className="center">
          <AnswerButton className="item" onClick={() => this.setState({ noteModal: true })}>笔记</AnswerButton>
          {questionStatus >= 0 && <AnswerButton className="item" onClick={() => {
            if (questionStatus > 0) {
              this.setState({ askModal: true });
            } else {
              this.setState({ askFailModal: true });
            }
          }}>提问</AnswerButton>}
          <AnswerButton className="item" onClick={() => this.setState({ feedbackModal: true })}>纠错</AnswerButton>
        </div>
        <div className="right">
          {userQuestion.no !== 1 && <Icon name="prev" onClick={() => this.prevQuestion()} />}
          {userQuestion.questionNumber !== userQuestion.no && <Icon name="next" onClick={() => this.nextQuestion()} />}
        </div>
      </div>
      {this.state.askModal && this.renderAsk()}
      {this.state.askOkModal && this.renderAskOk()}
      {this.state.askFailModal && this.renderAskFail()}
      {this.state.feedbackModal && this.renderFeedbackError()}
      {this.state.feedbackOkModal && this.renderFeedbackErrorOk()}
      {this.state.noteModal && this.renderNote()}
    </div>;
  }

  renderBody() {
    const { question = { content: {} } } = this.state;
    const { typeset = 'one' } = question.content;
    const { hideAnalysis } = this.state;
    const show = typeset === 'one' ? true : !hideAnalysis;
    return (
      <div className="layout-content">
        <div className='two'>
          {this.renderContent()}
          {question.questionType !== 'awa' && this.renderAnswer()}
          {question.questionType === 'awa' && this.renderAWA()}
        </div>
        {question.questionType !== 'awa' && this.renderAnalysis()}
        {typeset === 'two' && question.questionType !== 'awa' && (
          <div className="fixed-analysis" onClick={() => this.setState({ hideAnalysis: !hideAnalysis })}>
            {show ? '收起解析 >' : '查看解析 <'}
          </div>
        )}
      </div>
    );
  }

  renderAnalysis() {
    const { question = { content: {} }, analysisTab } = this.state;
    const { typeset = 'one' } = question.content;
    const { hideAnalysis } = this.state;
    const show = typeset === 'one' ? true : !hideAnalysis;
    return (
      <div className={`block block-analysis two-analysis ${show ? 'show' : ''}`}>
        <Tabs
          type="division"
          active={analysisTab}
          space={2}
          tabs={[
            { key: 'official', name: '官方解析' },
            { key: 'qx', name: '千行解析' },
            { key: 'association', name: '题源联想' },
            { key: 'qa', name: '相关回答' },
          ]}
          onChange={(key) => {
            this.setState({ analysisTab: key });
          }}
        />
        <div className="detail">
          {typeset === 'two' && this.renderAnswer()}
          {this.renderText()}
        </div>
      </div>
    );
  }

  renderText() {
    const { analysisTab, question = {}, userQuestion = {} } = this.state;
    const { asks = [], associations = [] } = userQuestion;
    let content;
    switch (analysisTab) {
      case 'official':
        content = <div className="detail-block text-block" dangerouslySetInnerHTML={{ __html: question.officialContent }} />;
        break;
      case 'qx':
        content = <div className="detail-block text-block" dangerouslySetInnerHTML={{ __html: question.qxContent }} />;
        break;
      case 'association':
        content = <div className="detail-block">
          <Carousel>
            {associations.map(association => {
              return <div className="text-block" dangerouslySetInnerHTML={{ __html: association.stem }} />;
            })}
          </Carousel>
        </div>;
        break;
      case 'qa':
        content = <div className="detail-block answer-block">
          {asks.map((ask, index) => {
            return <OtherAnswer key={index} data={ask} />;
          })}
        </div>;
        break;
      default:
        break;
    }
    return content;
  }

  renderAnswer() {
    const { question = { content: {} }, showAnswer, userQuestion = {} } = this.state;
    const { questions = [], type, typeset = 'one' } = question.content;
    return <div className="block block-answer">
      {typeset === 'two' ? <Switch checked={showAnswer} onChange={(value) => {
        this.setState({ showAnswer: value });
      }}>{showAnswer ? '显示答案' : '关闭答案'}</Switch> : ''}
      {questions.map((item, index) => {
        return (
          <div>
            <div className="text m-b-2">{item.description}</div>
            <AnswerList
              show={showAnswer}
              selected={(userQuestion.userAnswer || { questions: [] }).questions[index]}
              answer={(question.answer || { questions: [] }).questions[index]}
              distributed={(question.answerDistributed || { questions: [] }).questions[index]}
              list={item.select}
              type={type}
              first={item.first}
              second={item.second}
              direction={item.direction}
            />
          </div>
        );
      })}
    </div>;
  }

  renderContent() {
    const { question = { content: {} }, showAnswer, step } = this.state;
    const { typeset = 'one' } = question.content;
    const { steps = [] } = question.content;
    return (
      <div className="block block-content">
        {typeset === 'one' && question.questionType !== 'awa' ? <Switch checked={showAnswer} onChange={(value) => {
          this.setState({ showAnswer: value });
        }}>{showAnswer ? '显示答案' : '关闭答案'}</Switch> : ''}
        {question.questionType === 'awa' && <h2>Analytical Writing Assessment</h2>}
        {steps.length > 0 && <Navigation theme='detail' list={question.content.steps} active={step} onChange={(v) => this.setState({ step: v })} />}
        <div className="text" style={{ height: 2000 }} dangerouslySetInnerHTML={{ __html: this.formatStem(steps.length > 0 ? steps[step].stem : question.stem) }} />
      </div>
    );
  }

  renderAWA() {
    const { showAnswer, userQuestion = { detail: {}, userAnswer: {} } } = this.state;
    return <div className="block block-awa">
      <Switch checked={showAnswer} onChange={(value) => {
        this.setState({ showAnswer: value });
      }}>{showAnswer ? '显示答案' : '关闭答案'}</Switch>
      <div className="body">
        <h2>Your Response</h2>
        {showAnswer && <div className='detail'>
          <div className='info'>
            <span className="b">
              用时：<span dangerouslySetInnerHTML={{ __html: formatSeconds(userQuestion.userTime).replace(/([0-9]+)(m|min|h|hour|s)/g, '<span class="s">$1</span>$2') }} />
              {/* 用时:<span className="s">1</span>m<span className="s">39</span>s */}
            </span>
            <span className="b">
              单词数：<span className="s">{Number((userQuestion.detail || {}).words || 0)}</span>词
            </span>
          </div>
          <div className='content-awa' dangerouslySetInnerHTML={{ __html: userQuestion.userAnswer.awa || '' }} />
        </div>}
        {!showAnswer && <div className='show-awa'>选择「显示答案」查看自己的作文</div>}
      </div>
    </div>;
  }

  renderAsk() {
    const { ask = {} } = this.state;
    return (
      <div className="modal ask">
        <div className="mask" />
        <div className="body">
          <div className="title">提问</div>
          <div className="desc">
            <div className="select-inline">我想对<Select excludeSelf size="small" theme="white" value={ask.target} list={AskTarget} onChange={(item) => {
              ask.target = item.value;
              this.setState({ ask });
            }} />进行提问</div>
            <div className="label">有疑问的具体内容是：</div>
            <textarea className="textarea" value={ask.originContent} placeholder="请复制粘贴有疑问的内容。" onChange={(e) => {
              ask.originContent = e.target.value;
              this.setState({ ask });
            }} />
            <div className="label">针对以上内容的问题是：</div>
            <textarea className="textarea" value={ask.content} placeholder="提问频率高的问题会被优先回答哦。" onChange={(e) => {
              ask.content = e.target.value;
              this.setState({ ask });
            }} />
          </div>
          <div className="bottom">
            <AnswerButton theme="cancel" size="lager" onClick={() => this.setState({ askModal: false })}>
              取消
            </AnswerButton>
            <AnswerButton size="lager" onClick={() => this.submitAsk()}>提交</AnswerButton>
          </div>
        </div>
      </div>
    );
  }

  renderAskOk() {
    return (
      <div className="modal ask-ok">
        <div className="mask" />
        <div className="body">
          <div className="title">提问</div>
          <div className="content">
            <div className="left">
              <div className="text">已提交成功！</div>
              <div className="text">关注公众号，老师回答后会立即收到通知。</div>
              <div className="text">我们也会通过站内信的方式通知你。</div>
              <div className="small">成为学员享受极速答疑特权。<Link>了解更多</Link></div>
            </div>
            <div className="right">
              <div className="text">扫码关注公众号</div>
              <div className="text">千行GMAT</div>
            </div>
          </div>
          <div className="confirm">
            <AnswerButton size="lager" theme="confirm" onClick={() => {
              this.setState({ askOkModal: false });
            }}>
              好的，知道了
            </AnswerButton>
          </div>
        </div>
      </div>
    );
  }

  renderAskFail() {
    return (
      <div className="modal ask-ok">
        <div className="mask" />
        <div className="body">
          <div className="title">提问</div>
          <div className="content">
            <div className="left">
              <div className="text">提问功能正在维护中。</div>
              <div className="text">可先查阅“相关问答” 或 成为学员享受极速 答疑特权。</div>
              <Link to="/">了解更多></Link>
            </div>
            <div className="right">
              <div className="text">扫码关注公众号</div>
              <div className="text">千行GMAT</div>
            </div>
          </div>
          <div className="confirm">
            <AnswerButton size="lager" theme="confirm" onClick={() => {
              this.setState({ askFailModal: false });
            }}>
              好的，知道了
            </AnswerButton>
          </div>
        </div>
      </div>
    );
  }

  renderFeedbackError() {
    const { feedback = {} } = this.state;
    return (
      <div className="modal error">
        <div className="mask" />
        <div className="body">
          <div className="title">纠错</div>
          <div className="desc">
            <div className="select-inline">我想对<Select excludeSelf size="small" theme="white" value={feedback.target} list={AskTarget} onChange={(item) => {
              feedback.target = item.value;
              this.setState({ feedback });
            }} />进行提问</div>
            <div className="label">错误内容是：</div>
            <textarea className="textarea" value={feedback.originContent} placeholder="你可以适当扩大复制范围以使我们准确定位，感谢。" />
            <div className="label">应该改为：</div>
            <textarea className="textarea" placeholder="只需提供正确内容即可" />
          </div>
          <div className="bottom">
            <AnswerButton theme="cancel" size="lager" onClick={() => {
              this.setState({ feedbackModal: false });
            }}>
              取消
            </AnswerButton>
            <AnswerButton size="lager" onClick={() => {
              this.submitFeedbackError();
            }}>提交</AnswerButton>
          </div>
        </div>
      </div>
    );
  }

  renderFeedbackErrorOk() {
    return (
      <div className="modal error-ok">
        <div className="mask" />
        <div className="body">
          <div className="title">纠错</div>
          <div className="content">
            <div className="left">
              <div className="text"><Assets name='right' svg />已提交成功！</div>
              <div className="text">感谢您的耐心反馈，我们会尽快核实并以站内信的方式告知结果。</div>
              <div className="text">您也可以关注公众号及时获取结果。</div>
            </div>
            <div className="right">
              <div className="text">扫码关注公众号</div>
              <div className="text">千行GMAT</div>
            </div>
          </div>
          <div className="confirm">
            <AnswerButton size="lager" theme="confirm" onClick={() => {
              this.setState({ feedbackOkModal: false });
            }}>
              好的，知道了
            </AnswerButton>
          </div>
        </div>
      </div>
    );
  }

  renderNote() {
    const { noteField, note = {} } = this.state;
    return (
      <div className="modal note">
        <div className="mask" />
        <div className="body">
          <div className="title">笔记</div>
          <div className="content">
            <div className="tabs">
              {AskTarget.map(item => {
                return (
                  <div className={`tab ${noteField === item.key ? 'active' : ''}`} onClick={() => {
                    this.setState({ noteField: item.key });
                  }}>
                    <div className="text">{item.label}</div>
                    <div className="date">{note[`${item.key}Time`] ? formatDate(note[`${item.key}Time`]) : ''}</div>
                  </div>
                );
              })}
            </div>
            <div className="input">
              <textarea className="textarea" value={note[`${noteField}Content`] || ''} placeholder="记下笔记，方便以后复习" onChange={(e) => {
                note[`${noteField}Time`] = new Date();
                note[`${noteField}Content`] = e.target.value;
                this.setState({ note });
              }} />
              <div className="bottom">
                <AnswerButton theme="cancel" size="lager" onClick={() => {
                  this.setState({ noteModal: false });
                }}>
                  取消
                </AnswerButton>
                <AnswerButton size="lager" onClick={() => {
                  this.submitNote();
                }}>编辑</AnswerButton>
                <AnswerButton size="lager" onClick={() => {
                  this.submitNote(true);
                }}>保存</AnswerButton>
              </div>
            </div>
          </div>
        </div>
      </div>
    );
  }
}