#!/usr/bin/env node

/**
 * 修复分类重复问题
 * 1. 删除"用户身份标签"分类及其所有标签和关系
 * 2. 把"家庭角色"移到第一个位置
 * 3. 调整其他分类的sort_order
 */

const Database = require('better-sqlite3');
const path = require('path');

const dbPath = path.join(__dirname, '../dmp_onion.db');
const db = new Database(dbPath);

console.log('\n╔════════════════════════════════════════════════════════════════╗');
console.log('║  🔧 修复分类重复问题                                        ║');
console.log('╚════════════════════════════════════════════════════════════════╝\n');

try {
  // 1. 获取用户身份标签的所有标签ID
  console.log('1️⃣  获取\"用户身份标签\"的所有标签...');
  const tagIds = db.prepare('SELECT id FROM tags WHERE category_id = 33').all();
  console.log(`   找到 ${tagIds.length} 个标签`);
  
  // 2. 删除相关的user_tags关系
  console.log('\n2️⃣  删除user_tags关系...');
  const stmt = db.prepare('DELETE FROM user_tags WHERE tag_id = ?');
  let relDeleted = 0;
  for (const tag of tagIds) {
    const result = stmt.run(tag.id);
    relDeleted += result.changes;
  }
  console.log(`   删除了 ${relDeleted} 条关系`);
  
  // 3. 删除tags
  console.log('\n3️⃣  删除标签...');
  const tagDeleteResult = db.prepare('DELETE FROM tags WHERE category_id = 33').run();
  console.log(`   删除了 ${tagDeleteResult.changes} 个标签`);
  
  // 4. 删除分类
  console.log('\n4️⃣  删除分类...');
  const catDeleteResult = db.prepare('DELETE FROM tag_categories WHERE id = 33').run();
  console.log(`   删除了 ${catDeleteResult.changes} 个分类`);
  
  // 5. 更新家庭角色的sort_order到0
  console.log('\n5️⃣  更新\"家庭角色\"的位置...');
  db.prepare('UPDATE tag_categories SET sort_order = 0 WHERE id = 46').run();
  console.log('   ✓ 家庭角色现在排在第一位');
  
  // 6. 重新调整其他分类的sort_order
  console.log('\n6️⃣  重新调整其他分类的顺序...');
  const categories = db.prepare('SELECT id, key, name, sort_order FROM tag_categories ORDER BY sort_order').all();
  
  let newOrder = 0;
  for (const cat of categories) {
    if (cat.id === 46) continue; // 家庭角色已经是0
    if (cat.sort_order !== newOrder) {
      db.prepare('UPDATE tag_categories SET sort_order = ? WHERE id = ?').run(newOrder, cat.id);
    }
    newOrder++;
  }
  console.log(`   ✓ 调整了 ${newOrder} 个分类`);
  
  // 7. 显示最终结果
  console.log('\n7️⃣  最终分类列表:');
  const finalCats = db.prepare('SELECT id, key, name, sort_order FROM tag_categories ORDER BY sort_order').all();
  for (const cat of finalCats) {
    console.log(`   ${cat.sort_order + 1}. ${cat.name} (ID:${cat.id})`);
  }
  
  // 8. 统计数据
  console.log('\n📊 数据统计:');
  const stats = db.prepare(`
    SELECT 
      (SELECT COUNT(*) FROM users) as 总用户,
      (SELECT COUNT(*) FROM tags) as 总标签,
      (SELECT COUNT(*) FROM tag_categories) as 分类数,
      (SELECT COUNT(*) FROM user_tags) as 总关系
  `).get();
  
  console.log(`   • 总用户: ${stats.总用户}`);
  console.log(`   • 总标签: ${stats.总标签}`);
  console.log(`   • 分类数: ${stats.分类数} (从16减少到15)`);
  console.log(`   • 总关系: ${stats.总关系}`);
  
  console.log('\n✅ 修复完成！\n');
  
} catch (e) {
  console.error('❌ 错误:', e.message);
  process.exit(1);
} finally {
  db.close();
}