fix: add i18n entries for oauth errors

packages/hoppscotch-common/src/pages/oauth.vue

@@ -7,6 +7,7 @@
 <script setup lang="ts">
 import { handleOAuthRedirect } from "~/helpers/oauth"
 import { useToast } from "~/composables/toast"
+import { useI18n } from "~/composables/i18n"
 
 import * as E from "fp-ts/Either"
 import { useService } from "dioc/vue"
@@ -15,17 +16,54 @@ import { onMounted } from "vue"
 
 import { useRouter } from "vue-router"
 
+const t = useI18n()
 const router = useRouter()
 
 const toast = useToast()
 
 const tabs = useService(RESTTabService)
 
+function translateOAuthRedirectError(error: string) {
+  switch (error) {
+    case "AUTH_SERVER_RETURNED_ERROR":
+      return t("authorization.oauth.redirect_auth_server_returned_error")
+
+    case "NO_AUTH_CODE":
+      return t("authorization.oauth.redirect_no_auth_code")
+
+    case "INVALID_STATE":
+      return t("authorization.oauth.redirect_invalid_state")
+
+    case "NO_TOKEN_ENDPOINT":
+      return t("authorization.oauth.redirect_no_token_endpoint")
+
+    case "NO_CLIENT_ID":
+      return t("authorization.oauth.redirect_no_client_id")
+
+    case "NO_CLIENT_SECRET":
+      return t("authorization.oauth.redirect_no_client_secret")
+
+    case "NO_CODE_VERIFIER":
+      return t("authorization.oauth.redirect_no_code_verifier")
+
+    case "AUTH_TOKEN_REQUEST_FAILED":
+      return t("authorization.oauth.redirect_auth_token_request_failed")
+
+    case "AUTH_TOKEN_REQUEST_INVALID_RESPONSE":
+      return t(
+        "authorization.oauth.redirect_auth_token_request_invalid_response"
+      )
+
+    default:
+      return t("authorization.oauth.something_went_wrong_on_oauth_redirect")
+  }
+}
+
 onMounted(async () => {
   const tokenInfo = await handleOAuthRedirect()
 
   if (E.isLeft(tokenInfo)) {
-    toast.error(tokenInfo.left)
+    toast.error(translateOAuthRedirectError(tokenInfo.left))
     router.push("/")
     return
   }