/**
 * 数据体检工具：确认关键私有数据是否完好、有无测试残留
 *
 * 由来：2026-09-30 调试脚本曾误删用户真实日程；此后每次涉及数据的操作，
 *       都跑一遍本工具确认「用户数据没少、测试垃圾没留」。只读，不修改任何数据。
 *
 * 运行：node dev_test_scripts/tools/tool_check_data_integrity.js
 */
const path = require('path')
const fs = require('fs')
const Database = require('better-sqlite3')

const dataDir = path.join(process.cwd(), 'data')
let problems = 0
const report = (label, value, ok = true) => {
  if (!ok) problems += 1
  console.log(`  ${ok ? '✔' : '✘'} ${label}: ${value}`)
}

const openReadonly = name => {
  const p = path.join(dataDir, name)
  if (!fs.existsSync(p)) return null
  return new Database(p, { readonly: true })
}

console.log('=== 数据体检（只读） ===\n')

// ---------- 1. 短链接 ----------
console.log('[1] 短链接 data/short_link.db')
const sdb = openReadonly('short_link.db')
if (!sdb) {
  console.log('  （数据库不存在，跳过）')
} else {
  const links = sdb.prepare('SELECT code, title, click_count, is_active FROM short_links ORDER BY id').all()
  const clicks = sdb.prepare('SELECT COUNT(1) AS c FROM short_link_clicks').get().c
  console.log(`  共 ${links.length} 条短链接：`)
  links.forEach(r => console.log(`    [${r.code}] ${r.title || '(无标题)'}  clicks=${r.click_count}  active=${r.is_active}`))
  console.log(`  点击记录总数：${clicks}`)

  // 测试残留短码：本工具测过的临时短码统一以 zz 开头
  const stray = links.filter(r => String(r.code).startsWith('zz'))
  report('测试残留短码（应为 0）', stray.length, stray.length === 0)
  if (stray.length) stray.forEach(r => console.log(`      → 残留 ${r.code}`))

  // 点击记录里的孤立短码（短链已删但点击记录还在）
  const codes = links.map(r => r.code)
  const clickCodes = sdb.prepare('SELECT DISTINCT code FROM short_link_clicks').all().map(r => r.code)
  const orphans = clickCodes.filter(c => codes.indexOf(c) < 0)
  report('点击记录中的孤立短码（应为 0）', orphans.length, orphans.length === 0)
  if (orphans.length) orphans.forEach(c => console.log(`      → 孤立 ${c}`))
  sdb.close()
}

// ---------- 2. 作息报时器 ----------
console.log('\n[2] 作息报时器 data/app_order_box_schedule_reminder.db')
const odb = openReadonly('app_order_box_schedule_reminder.db')
if (!odb) {
  console.log('  （数据库不存在，跳过）')
} else {
  const alive = odb.prepare('SELECT title, items_json FROM schedules WHERE deleted = 0').all()
  const softDeleted = odb.prepare('SELECT COUNT(1) AS c FROM schedules WHERE deleted = 1').get().c
  console.log(`  未删除的日程 ${alive.length} 套：`)
  alive.forEach(r => {
    let n = 0
    try { n = JSON.parse(r.items_json || '[]').length } catch (_) {}
    console.log(`    ${r.title}（${n} 个时刻）`)
  })
  console.log(`  已软删除的历史行：${softDeleted}（这些是测试残留或用户主动删除，不影响使用）`)

  const logs = odb.prepare('SELECT COUNT(1) AS c FROM logs').get().c
  const testLogs = odb.prepare('SELECT COUNT(1) AS c FROM logs WHERE schedule_title != ?').get('周三在公司').c
  console.log(`  播报记录：${logs} 条（非用户日程的：${testLogs}）`)
  report('用户日程仍存在（至少 1 套）', alive.length, alive.length >= 1)
  odb.close()
}

// ---------- 3. 运动提醒宝（框子另一个 kit） ----------
console.log('\n[3] 运动提醒宝 data/app_order_box_motion_reminder.db')
const mdb = openReadonly('app_order_box_motion_reminder.db')
if (!mdb) {
  console.log('  （数据库不存在，跳过）')
} else {
  const cards = mdb.prepare('SELECT title FROM cards WHERE deleted = 0').all()
  console.log(`  未删除的流程卡片 ${cards.length} 张：${cards.map(c => c.title).join(' / ') || '（无）'}`)
  mdb.close()
}

console.log(`\n=== 体检完成：${problems === 0 ? '未发现异常' : '发现 ' + problems + ' 处异常'} ===`)
process.exit(problems === 0 ? 0 : 1)