#!/usr/bin/env node
/**
 * 查看最近 3 条已完成课程的 outline 与正文样本，检查单引号 '' 出现位置
 * 用法：node scripts/inspect-quotes-server.js
 */

const { PrismaClient } = require('@prisma/client');
const prisma = new PrismaClient();

function hasSingleQuotes(s) {
  if (!s || typeof s !== 'string') return false;
  const single = ["'", "'", "'", "''", "''", "`"];
  return single.some((c) => s.includes(c));
}

function showQuotes(s, label) {
  if (!s) return;
  const str = String(s);
  if (!hasSingleQuotes(str)) return;
  const idx = str.search(/[''`]/);
  if (idx === -1) return;
  const slice = str.slice(Math.max(0, idx - 20), idx + 30);
  console.log(`  [单引号] ${label}: ...${slice}...`);
}

async function main() {
  const tasks = await prisma.courseGenerationTask.findMany({
    where: { status: 'completed' },
    orderBy: { createdAt: 'desc' },
    take: 3,
    include: { course: { select: { id: true, title: true } } },
  });

  if (tasks.length === 0) {
    console.log('没有已完成的课程');
    return;
  }

  console.log('=== 最近 3 条已完成课程：单引号检查 ===\n');

  for (let t = 0; t < tasks.length; t++) {
    const task = tasks[t];
    const outline = task.outline;
    console.log(`--- 课程 ${t + 1}: ${task.course?.title ?? task.courseId} ---`);
    console.log('courseId:', task.courseId);
    console.log('createdAt:', task.createdAt?.toISOString?.() ?? task.createdAt);

    if (outline && outline.chapters && Array.isArray(outline.chapters)) {
      for (let c = 0; c < outline.chapters.length; c++) {
        const ch = outline.chapters[c];
        const parentTitle = ch.parent_title ?? ch.title ?? '';
        if (hasSingleQuotes(parentTitle)) {
          console.log(`  章节标题含单引号: "${parentTitle}"`);
          showQuotes(parentTitle, '章节');
        }
        if (ch.nodes && Array.isArray(ch.nodes)) {
          for (let n = 0; n < ch.nodes.length; n++) {
            const node = ch.nodes[n];
            const nodeTitle = node.title ?? '';
            if (hasSingleQuotes(nodeTitle)) {
              console.log(`    节点标题含单引号: "${nodeTitle}"`);
              showQuotes(nodeTitle, '节点');
            }
            const content = node.suggestedContent ?? '';
            if (hasSingleQuotes(content)) {
              showQuotes(content, '正文');
            }
          }
        }
      }
      // 只打印第一个小节的正文前 400 字，便于看单引号
      let firstContent = null;
      for (const ch of outline.chapters) {
        if (ch.nodes && ch.nodes[0] && ch.nodes[0].suggestedContent) {
          firstContent = ch.nodes[0].suggestedContent;
          break;
        }
      }
      if (firstContent && hasSingleQuotes(firstContent)) {
        console.log('  首段正文中含单引号，片段:');
        const singleIdx = firstContent.search(/[''`]/);
        if (singleIdx !== -1) {
          console.log('    ', firstContent.slice(Math.max(0, singleIdx - 25), singleIdx + 40));
        }
      }
    }
    console.log('');
  }
}

main()
  .then(() => process.exit(0))
  .catch((e) => {
    console.error(e);
    process.exit(1);
  })
  .finally(() => prisma.$disconnect());