// electron/main/redis/commandLogger.ts
// 命令日志记录器

export interface CommandEntry {
  id: number
  time: string
  connection: string
  command: string
  duration: number
  isWrite: boolean
}

const MAX_ENTRIES = 5000
let nextId = 1
const entries: CommandEntry[] = []

const WRITE_COMMANDS = new Set([
  'SET', 'DEL', 'HSET', 'HDEL', 'RPUSH', 'LPUSH', 'LSET', 'LREM',
  'SADD', 'SREM', 'ZADD', 'ZREM', 'XADD', 'XDEL', 'XTRIM',
  'RENAME', 'EXPIRE', 'PERSIST', 'FLUSHDB', 'SELECT',
  'SETEX', 'INCR', 'DECR', 'INCRBY', 'DECRBY', 'APPEND',
  'HMSET', 'HINCRBY', 'HINCRBYFLOAT',
  'LPOP', 'RPOP', 'BLPOP', 'BRPOP',
  'ZINCRBY', 'ZREMRANGEBYRANK', 'ZREMRANGEBYSCORE',
  'UNLINK', 'MOVE', 'RENAMENX',
])

export function log(connection: string, command: string, duration: number): void {
  const isWrite = WRITE_COMMANDS.has(command.split(' ')[0].toUpperCase())
  entries.push({
    id: nextId++,
    time: new Date().toISOString(),
    connection,
    command,
    duration,
    isWrite,
  })
  if (entries.length > MAX_ENTRIES) {
    entries.splice(0, entries.length - MAX_ENTRIES)
  }
}

export function getLog(): CommandEntry[] {
  return entries
}

export function clearLog(): void {
  entries.length = 0
}