import { v4 as uuid } from "uuid"

import loggerIns from "../log"
import { AttachService, LarkService } from "../services"
import { Context } from "../types"
import NetTool from "./netTool"

/**
 * 生成请求上下文。
 *
 * @param {Request} req - 请求对象。
 * @returns {Promise<Context.Data>} 返回包含请求上下文的对象。
 */
const genContext = async (req: Request) => {
  const requestId = uuid()
  const logger = loggerIns.child({ requestId })
  const genResp = new NetTool({ requestId })
  const larkService = new LarkService("egg", requestId)
  const attachService = new AttachService({ requestId })

  let body: any = null
  let text: string = ""
  try {
    text = await req.text()
    body = JSON.parse(text)
  } catch {
    /* empty */
  }
  logger.debug(`req body: ${text}`)
  return {
    req,
    requestId,
    logger,
    genResp,
    body,
    text,
    larkService,
    attachService,
  } as Context.Data
}

export default genContext