import { ParameterizedContext } from 'koa'
import Router from '@koa/router'
import compose from 'koa-compose'
import { outputFile } from 'src/fs'
import { Obj } from 'src/type'
import {
  FilePathConeAccessToken,
  EVENT_CONE_AUTH_SUCCESS,
  EVENT_CONE_AUTH_FAIL,
  ee,
} from 'src/util'
import log from 'src/log'

export function success(ctx: ParameterizedContext, result: Obj) {
  ctx.body = {
    success: true,
    result,
  }
}

export function createRouter() {
  const router = new Router()

  router.get('/', (ctx) => {
    success(ctx, { ping: true })
  })

  router.post('/saveConeAccessToken', async (ctx) => {
    const body = (ctx.request.body as Obj) || {}
    log.verbose('cone', 'saveConeAccessToken', body)
    const { accessToken } = body
    if (accessToken) {
      await outputFile(FilePathConeAccessToken, accessToken)
      ee.emit(EVENT_CONE_AUTH_SUCCESS)
    } else {
      ee.emit(EVENT_CONE_AUTH_FAIL)
    }
    success(ctx, {
      FilePathConeAccessToken,
      accessToken,
    })
  })

  return compose([router.routes(), router.allowedMethods()])
}