/**
 * 导出 QiWe 项目相关的所有表 Schema（供文档编写用）
 *
 * 用法: cd backend && npx tsx scripts/dump-qiwe-schema.ts
 */
import 'dotenv/config';
import Parse from '../src/db/parse-client.js';

async function showTable(className: string): Promise<void> {
  const q = new Parse.Query(className);
  q.limit(1);
  q.descending('updatedAt');

  let rows: Parse.Object[] = [];
  try { rows = await q.find({ useMasterKey: true }); } catch { /* skip */ }

  let schema: Parse.Schema;
  try {
    schema = await new Parse.Schema(className).get({ useMasterKey: true });
  } catch (err: any) {
    console.log(`\n📦 ${className} — 表不存在 (${err.message})`);
    return;
  }

  const fields = schema.fields as Record<string, { type: string; targetClass?: string }>;
  const entries = Object.entries(fields)
    .filter(([n]) => !n.startsWith('_') && n !== 'ACL')
    .sort(([a], [b]) => a.localeCompare(b));

  const hasData = rows.length > 0;
  console.log(`\n📦 ${className}${hasData ? ' (有数据)' : ' (空)'}`);
  console.log('-'.repeat(65));

  for (const [name, def] of entries) {
    const typeStr = def.type === 'Pointer' ? `Pointer → ${def.targetClass || '?'}` : def.type;
    console.log(`  ${name.padEnd(30)} ${typeStr}`);
  }

  if (hasData) {
    console.log('\n  示例字段值:');
    const r = rows[0] as any;
    for (const [name] of entries.slice(0, 12)) {
      const v = r.get(name);
      if (v === undefined || v === null || v === '') continue;
      let s: string;
      if (typeof v === 'object') {
        if (v.className) {
          s = `Pointer(${v.className}:${v.id?.slice(0, 8)}...)`;
        } else {
          s = JSON.stringify(v).substring(0, 100);
        }
      } else {
        s = String(v).substring(0, 100);
      }
      console.log(`    ${name.padEnd(28)} ${s}`);
    }
  }
}

async function main(): Promise<void> {
  console.log('=== QiWe 项目数据库 Schema 完整导出 ===');
  console.log(`Server: ${Parse.serverURL}`);
  console.log(`App ID: ${Parse.applicationId}\n`);

  // 测试连接
  try {
    const n = await new Parse.Query('_User').count({ useMasterKey: true });
    console.log(`✅ Parse 连接正常 (_User: ${n} 条)\n`);
  } catch (err: any) {
    console.error('❌ Parse 连接失败:', err.message);
    process.exit(1);
  }

  // QiWe 核心表
  const qiweTables = [
    'GroupChat', 'GroupMember', 'Message', 'MessageSyncCursor',
    'WebhookLog', 'Contact',
  ];

  // 风控相关表
  const riskTables = [
    'RiskEvent', 'RiskKeyword', 'AppNotification', 'ResponsibilityAssignment',
  ];

  // 组织结构表
  const orgTables = [
    'Store', 'District', 'Community',
  ];

  // 其他
  const otherTables = [
    '_User', 'QiWeAccount',
  ];

  console.log('══════ QiWe 核心表 ══════');
  for (const t of qiweTables) await showTable(t);

  console.log('\n══════ 风控系统表 ══════');
  for (const t of riskTables) await showTable(t);

  console.log('\n══════ 组织结构表 ══════');
  for (const t of orgTables) await showTable(t);

  console.log('\n══════ 其他 ══════');
  for (const t of otherTables) await showTable(t);

  console.log('\n\n✅ 导出完成!\n');
}

main().catch((err) => {
  console.error('失败:', err.message);
  process.exit(1);
});