// 只读诊断：用户刚执行的 16 条家人生日 SQL 是否真的入库
// 用法：node dev_test_scripts/debug/diag_birthday_sql.js
const path = require('path')
const fs = require('fs')
const Database = require('better-sqlite3')

const DB_PATH = path.join(process.cwd(), 'data', 'calendar_reminder.db')
if (!fs.existsSync(DB_PATH)) { console.error('DB NOT FOUND:', DB_PATH); process.exit(2) }

const db = new Database(DB_PATH, { readonly: true, fileMustExist: true })

console.log('=== 1. 最近 5 个 calendar_batches（找 sql_ 前缀最新批次） ===')
const batches = db.prepare(`SELECT id,title,status,params_json,generated_count,inserted_count,dedup_count,rollback_count,created_at,updated_at
  FROM calendar_batches ORDER BY rowid DESC LIMIT 5`).all()
for (const b of batches) {
  const p = b.params_json ? JSON.parse(b.params_json) : null
  console.log(`  - [${b.id}] ${b.title} | status=${b.status} | gen=${b.generated_count} ins=${b.inserted_count} dedup=${b.dedup_count} rb=${b.rollback_count} | created=${b.created_at} | range=${p && p.rangeStart}~${p && p.rangeEnd} | source=${p && p.source}`)
}

console.log('\n=== 2. 搜索 16 条 id 前缀的事件（bd_fa_ / bd_mo_ / bd_si_ / bd_me_） ===')
const prefixes = ['bd_fa_', 'bd_mo_', 'bd_si_', 'bd_me_']
const like = prefixes.map(p => `id LIKE '${p}%'`).join(' OR ')
const rows = db.prepare(`SELECT id,title,start,end,allDay,remindAt,deleted,completed,batch_id FROM events
  WHERE ${like} ORDER BY start ASC`).all()
console.log(`  命中 ${rows.length} 行（期望 16）`)
for (const r of rows) {
  console.log(`  - [${r.id.slice(0,32)}...] ${r.title} | ${r.start} ~ ${r.end} | allDay=${r.allDay} remindAt=${r.remindAt} | deleted=${r.deleted} done=${r.completed} | batch=${r.batch_id}`)
}

if (rows.length === 16) {
  const byY = {}
  for (const r of rows) { const y = r.start.slice(0,4); byY[y] = (byY[y]||0)+1 }
  console.log('  按年分布：', JSON.stringify(byY))
  const missingRemind = rows.filter(r => !r.remindAt)
  console.log('  未设置提醒（期望 0）：', missingRemind.length)
  const notAllDay = rows.filter(r => r.allDay != 1)
  console.log('  非全天事件（期望 0）：', notAllDay.length)
  const deletedOnes = rows.filter(r => r.deleted != 0)
  console.log('  已逻辑删除（期望 0）：', deletedOnes.length)
  const batch_ids = [...new Set(rows.filter(r => r.batch_id).map(r => r.batch_id))]
  console.log('  关联 batch_id 集合（期望 1 个 sql_ 前缀）：', batch_ids)
}

console.log('\n=== 3. 时间跨度 sanity check（期望 start∈[2027-06-15, 2030-12-01]） ===')
const span = db.prepare(`SELECT MIN(start) min_s, MAX(end) max_e FROM events WHERE ${like}`).get()
console.log('  min start =', span.min_s, ' ｜ max end =', span.max_e)