ng-webot

// 前端日志存储（非 React，可在 api.ts 等纯模块中使用）
// LogConsole 组件通过 subscribe 获取实时日志流

export type LogLevel = 'info' | 'warn' | 'error'
export type LogType = 'request' | 'response' | 'error' | 'system'

export interface LogEntry {
  id: number
  timestamp: number
  type: LogType
  level: LogLevel
  method?: string
  path?: string
  status?: number
  duration?: number
  requestBody?: unknown
  responseBody?: unknown
  message: string
}

type Listener = (entry: LogEntry) => void

class LogStore {
  private entries: LogEntry[] = []
  private listeners = new Set<Listener>()
  private nextId = 1
  maxEntries = 500

  add(partial: Omit<LogEntry, 'id' | 'timestamp'>) {
    const entry: LogEntry = {
      ...partial,
      id: this.nextId++,
      timestamp: Date.now(),
    }
    this.entries.push(entry)
    if (this.entries.length > this.maxEntries) {
      this.entries = this.entries.slice(-this.maxEntries)
    }
    for (const fn of this.listeners) {
      try { fn(entry) } catch { /* ignore listener errors */ }
    }
  }

  getAll(): LogEntry[] {
    return [...this.entries]
  }

  clear() {
    this.entries = []
    // 广播清空事件
    const clearEntry: LogEntry = {
      id: -1, timestamp: Date.now(), type: 'system', level: 'info', message: '__CLEAR__'
    }
    for (const fn of this.listeners) {
      try { fn(clearEntry) } catch { /* ignore */ }
    }
  }

  subscribe(fn: Listener): () => void {
    this.listeners.add(fn)
    return () => { this.listeners.delete(fn) }
  }
}

export const logStore = new LogStore()