// 将面试题内容.json的Markdown格式转换为组件需要的结构化数据
import interviewQuestionsData from '../data/interviewQuestions.json';

// 解析Markdown格式的面试题内容
export const parseInterviewQuestions = (content) => {
  if (!content) return [];
  
  const questions = [];
  const lines = content.split('\n').filter(line => line.trim());
  
  let currentQuestion = null;
  let currentAnswer = '';
  let collectingAnswer = false;
  let questionIndex = 0;
  
  for (let i = 0; i < lines.length; i++) {
    const line = lines[i].trim();
    
    // 跳过标题行
    if (line.startsWith('#')) {
      continue;
    }
    
    // 匹配问题（数字开头）
    if (/^\d+\.\s/.test(line)) {
      // 保存上一个问题
      if (currentQuestion && currentAnswer) {
        questions.push({
          id: `q${questionIndex}`,
          question: currentQuestion,
          answer: currentAnswer.trim()
        });
        questionIndex++;
      }
      
      // 开始新问题
      currentQuestion = line.replace(/^\d+\.\s/, '').trim();
      currentAnswer = '';
      collectingAnswer = false;
    }
    // 匹配答案标记
    else if (line.includes('答案：') || line.includes('示例回答：') || line.includes('参考答案：')) {
      collectingAnswer = true;
      // 提取答案内容（可能在同一行）
      const answerMatch = line.match(/(?:答案：|示例回答：|参考答案：)(.*)/);
      if (answerMatch && answerMatch[1]) {
        currentAnswer = answerMatch[1].trim();
      }
    }
    // 收集答案内容
    else if (collectingAnswer && line) {
      // 如果是新的段落或列表项，添加换行
      if (currentAnswer && !line.startsWith('-') && !line.startsWith('•')) {
        currentAnswer += ' ';
      }
      currentAnswer += line;
    }
  }
  
  // 保存最后一个问题
  if (currentQuestion && currentAnswer) {
    questions.push({
      id: `q${questionIndex}`,
      question: currentQuestion,
      answer: currentAnswer.trim()
    });
  }
  
  return questions;
};

// 创建岗位群到面试题的映射
export const createInterviewQuestionsMap = () => {
  const map = {};
  
  interviewQuestionsData.forEach(item => {
    const groupName = item['岗位群名称'];
    const questions = parseInterviewQuestions(item['面试题内容']);
    
    // 只保留前10个问题（避免内容过多）
    map[groupName] = questions.slice(0, 10);
  });
  
  return map;
};

// 导出映射
export const interviewQuestionsMap = createInterviewQuestionsMap();

// 根据岗位群名称获取格式化的面试题
export const getFormattedQuestions = (groupName) => {
  return interviewQuestionsMap[groupName] || [];
};