import {
  ANI_DURATION
} from './util'

let firstBackTime = 0

export function navigateBack ({
  delta,
  animationType,
  animationDuration
}) {
  const pages = getCurrentPages()
  const len = pages.length - 1
  const page = pages[len]
  if (page.$page.meta.isQuit) {
    if (!firstBackTime) {
      firstBackTime = Date.now()
      plus.nativeUI.toast('再按一次退出应用')
      setTimeout(() => {
        firstBackTime = null
      }, 2000)
    } else if (Date.now() - firstBackTime < 2000) {
      plus.runtime.quit()
    }
  } else {
    pages.splice(len, 1)
    if (animationType) {
      page.$getAppWebview().close(animationType, animationDuration || ANI_DURATION)
    } else {
      page.$getAppWebview().close('auto')
    }
    UniServiceJSBridge.emit('onAppRoute', {
      type: 'navigateBack'
    })
  }
}