type ResultCode = 0 | -1 | -2 | 10003

interface ResultData {
  message: string
  data: Record<string, any>
}

export class Result {
  static codes = {
    Success: 0 as const,
    Fail: -1 as const,
    NotMore: -2 as const,
    PaySuccessful: 10003 as const
  }

  static resultsMap = new Map<ResultCode, ResultData>([
    [Result.codes.Success, { message: '成功', data: {} }],
    [Result.codes.Fail, { message: '网络加载失败', data: {} }],
    [Result.codes.NotMore, { message: '没有更多', data: {} }],
    [Result.codes.PaySuccessful, { message: '支付成功', data: {} }]
  ])

  code: ResultCode
  message: string
  data: Record<string, any>

  constructor(code: ResultCode, data?: Record<string, any>, message?: string) {
    const result = Result.resultsMap.get(code)
    if (result) {
      this.code = code
      this.message = message || result.message
      this.data = data || result.data
    } else {
      this.code = code
      this.message = message || ''
      this.data = data || {}
    }
  }

  // 成功
  static get Success(): Result {
    return new Result(Result.codes.Success)
  }

  // 失败(默认错误)
  static get Fail(): Result {
    return new Result(Result.codes.Fail)
  }

  // 没有更多
  static get NotMore(): Result {
    return new Result(Result.codes.NotMore)
  }

  // 支付成功
  static get PaySuccessful(): Result {
    return new Result(Result.codes.PaySuccessful)
  }
}