import { getOneSignalPushToken } from 'src/features/notifications/Onesignal'
import { config } from 'uniswap/src/config'
import { isTestEnv } from 'utilities/src/environment'
import { logger } from 'utilities/src/logger/logger'
import { isAndroid } from 'utilities/src/platform'

const WC_HOSTED_PUSH_SERVER_URL = `https://echo.walletconnect.com/${config.walletConnectProjectId}`

/**
 * Registers client and device push token with hosted WalletConnect 2.0 Echo Server.
 * The echo server listens to incoming signing requests and delivers push notifications via APNS.
 * See https://docs.walletconnect.com/2.0/specs/servers/echo/spec
 *
 * @param clientId WalletConnect 2.0 clientId
 */
export async function registerWCClientForPushNotifications(clientId: string): Promise<void> {
  try {
    const pushToken = await getOneSignalPushToken()
    if (!pushToken) {
      return
    }

    // WC requests we use the `fcm` push server for Android and the `apns` server for prod iOS
    // and `apns-sandbox` for dev iOS
    const pushServer = isAndroid ? 'fcm' : __DEV__ ? 'apns-sandbox' : 'apns'
    const request = {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({
        client_id: clientId,
        type: pushServer,
        token: pushToken,
      }),
    }

    await fetch(`${WC_HOSTED_PUSH_SERVER_URL}/clients`, request)
  } catch (error) {
    // Shouldn't log if this is a jest run to avoid logging after a test completes
    if (!isTestEnv()) {
      logger.error(error, {
        tags: { file: 'walletConnectApi', function: 'registerWCv2ClientForPushNotifications' },
      })
    }
  }
}
