// 在 localStorage.logInfo 中存储日志信息, 以便在前端页面中显示
const { LocalStorage } = require('node-localstorage')
const localStorage = new LocalStorage('./localStorage')

export interface WebLogSet {
  type: string
  content: string
}

export default {
  set: (data: WebLogSet): void => {
    // console.log(`weblog-${data.type}: ${data.content}`)
    // 获取存储在 localStorage 中的日志信息数组
    let logs = JSON.parse(localStorage.getItem('logInfo')) || []
    // 创建新的日志对象
    const newLog = { time: new Date(), type: data.type, content: data.content }
    // logs 是不是数组  是的话就push  不是的话就创建一个数组
    if (!Array.isArray(logs)) {
      logs = []
    }
    // 将新的日志对象添加到数组中, 如果前面两条日志信息一样, 则覆盖前一条
    if (
      logs.length >= 2 &&
      logs[logs.length - 1].content == newLog.content &&
      logs[logs.length - 2].content == newLog.content
    ) {
      logs[logs.length - 1] = newLog
    } else {
      logs.push(newLog)
    }
    localStorage.setItem('logInfo', JSON.stringify(logs))
  },
  get: (): void => {
    return localStorage.getItem('logInfo')
  },
  clear: (): void => {
    localStorage.removeItem('logInfo')
  }
}