/**
 * Web 端崩溃捕获器
 */

type ErrorHandler = (error: Error, tags?: Record<string, unknown>) => void

let _started = false
let _handler: ErrorHandler | null = null

/**
 * 启动崩溃捕获
 */
export function startCrashCapture(handler: ErrorHandler): void {
  if (_started) return
  _started = true
  _handler = handler

  // 捕获未处理的错误
  window.addEventListener('error', (event) => {
    if (event.error) {
      handler(event.error, { type: 'uncaught_error', filename: event.filename, lineno: event.lineno, colno: event.colno })
    }
  })

  // 捕获未处理的 Promise rejection
  window.addEventListener('unhandledrejection', (event) => {
    const error = event.reason instanceof Error
      ? event.reason
      : new Error(String(event.reason))
    handler(error, { type: 'unhandled_rejection' })
  })
}

/**
 * 停止崩溃捕获
 */
export function stopCrashCapture(): void {
  _started = false
  _handler = null
}