import { parseJwt } from "@credify/crypto"
import {
  BareEventCallback,
  JsonObject,
  PushClaimEventCallback,
  UserProfile,
} from "."
import * as config from "./config"
import { saveUserCredential } from "./storage"
import { parseUserClaims } from "./utils"

const createUserCompletedHandler = (
  pushClaimCB: PushClaimEventCallback,
  passportWindow: Window | null,
  payload: object
) => {
  // payload is UserProfile
  saveUserCredential(JSON.stringify(payload))
  const user: UserProfile = payload as UserProfile
  if (pushClaimCB) {
    pushClaimCB(user?.credifyId!, (isSuccess: boolean) => {
      console.log({ pushClaimCBStatus: isSuccess })
      passportWindow?.postMessage(
        JSON.stringify({
          type: config.WEBSDK_EVENT,
          action: config.PUSH_CLAIM_COMPLETED_ACTION,
          payload: { isSuccess },
        }),
        "*"
      )
    })
  } else {
    passportWindow?.postMessage(
      JSON.stringify({
        type: config.WEBSDK_EVENT,
        action: config.PUSH_CLAIM_COMPLETED_ACTION,
        payload: { isSuccess: true },
      }),
      "*"
    )
  }
}

const initialLoadCompletedHandler = (
  passportWindow: Window | null,
  data: JsonObject
) => {
  passportWindow?.postMessage(
    JSON.stringify({
      type: config.WEBSDK_EVENT,
      action: "startRedemption",
      payload: data,
    }),
    "*"
  )
}

const initPromotionLoadCompleted = (
  passportWindow: Window | null,
  data: JsonObject
) => {
  passportWindow?.postMessage(
    JSON.stringify({
      type: config.WEBSDK_EVENT,
      action: config.OPENER_SHOW_PROMOTION_OFFER,
      payload: data,
    }),
    "*"
  )
}

const loadActionLoginHandler = (
  passportWindow: Window | null,
  data: JsonObject
) => {
  passportWindow?.postMessage(
    JSON.stringify({
      type: config.WEBSDK_EVENT,
      action: "actionLogin",
      payload: data,
    }),
    "*"
  )
}

const loginDataActionHandler = (
  passportWindow: Window | null,
  payload: object,
  proxyLoginCallback: BareEventCallback
) => {
  // Doing mapping to UserProfule first
  const userData = parseUserClaims(payload)
  // Store this user PII for offer filtering and login in the future
  saveUserCredential(JSON.stringify(userData))
  // close the passport window
  passportWindow?.close()
  // Reload offer list callback
  if (proxyLoginCallback) {
    proxyLoginCallback()
  }
}

const oidcCompletedHandler = (
  passportWindow: Window | null,
  payload: object
) => {
  // @ts-ignore
  const url = payload.url || ""
  if (!url) {
    console.log("The payload has something wrong")
    passportWindow?.close()
    return
  }

  let form = document.createElement("form")
  form.method = "POST"
  form.action = url
  document.body.appendChild(form)
  form.submit()

  // close the passport window
  passportWindow?.close()
}

const checkTokenExpired = (token: string) => {
  try {
    const jwtValue = parseJwt(token)
    if (jwtValue?.payload?.exp) {
      const currentTime = +new Date() / 1000 // seconds
      return currentTime < jwtValue?.payload?.exp
    }

    return true
  } catch (error) {
    return true
  }
}

export {
  createUserCompletedHandler,
  initialLoadCompletedHandler,
  loginDataActionHandler,
  oidcCompletedHandler,
  loadActionLoginHandler,
  initPromotionLoadCompleted,
  checkTokenExpired,
}