/**
 * 统一等待 UUID_STATE 通知。
 *
 * @param {object} ble createBleCore 实例
 * @param {object} options 等待配置
 * @param {number[]} options.allowedCodes 允许通过的状态码；为空则接收任意状态码
 * @param {boolean} options.rejectOnUnexpected 收到非 allowedCodes 状态码时是否立刻失败
 * @param {number} options.timeout 超时时间(ms)
 * @param {string} options.timeoutMessage 超时提示
 * @param {string} options.unexpectedMessage 非预期状态提示前缀
 */
export function waitForProtocolState(ble, options = {}) {
  const {
    allowedCodes = [],
    rejectOnUnexpected = false,
    timeout = 6000,
    timeoutMessage = '等待 UUID_STATE 超时',
    unexpectedMessage = '收到非预期 UUID_STATE 状态码'
  } = options

  return new Promise((resolve, reject) => {
    let timer = null
    let off = null

    const finish = (callback) => {
      if (timer) {
        clearTimeout(timer)
      }

      if (off) {
        off()
      }

      callback()
    }

    timer = setTimeout(() => {
      finish(() => reject(new Error(timeoutMessage)))
    }, timeout)

    off = ble.on('protocol:state', (payload) => {
      const stateCode = Number(payload?.stateCode)

      if (!allowedCodes.length || allowedCodes.includes(stateCode)) {
        finish(() => resolve(payload))
        return
      }

      if (rejectOnUnexpected) {
        finish(() => reject(new Error(`${unexpectedMessage}: ${stateCode}`)))
      }
    })
  })
}