From d5b87e4d633bc153fea0340da0bdad4a597bf82c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=A1bor=20Gyebn=C3=A1r?= <korteur@gmail.com>
Date: Tue, 10 Aug 2021 16:34:24 +0200
Subject: [PATCH 1/2] Displays server response when introspection failed

---
 graphql_client_cli/src/introspect_schema.rs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/graphql_client_cli/src/introspect_schema.rs b/graphql_client_cli/src/introspect_schema.rs
index 0791ee8a..0e4cf5e6 100644
--- a/graphql_client_cli/src/introspect_schema.rs
+++ b/graphql_client_cli/src/introspect_schema.rs
@@ -1,3 +1,4 @@
+use crate::error::Error;
 use crate::CliResult;
 use graphql_client::GraphQLQuery;
 use reqwest::header::{HeaderMap, HeaderValue, ACCEPT, CONTENT_TYPE};
@@ -53,9 +54,14 @@ pub fn introspect_schema(
     if res.status().is_success() {
         // do nothing
     } else if res.status().is_server_error() {
-        println!("server error!");
+        return Err(Error::message("server error!".into()));
     } else {
-        println!("Something else happened. Status: {:?}", res.status());
+        let status = res.status();
+        let error_message = match res.text() {
+            Ok(msg) => format!("HTTP {}: {}", status, msg),
+            Err(_) => format!("HTTP {}", status),
+        };
+        return Err(Error::message(error_message));
     }
 
     let json: serde_json::Value = res.json()?;

From 0e330815a1adab2e790626c34fafec4f12ead177 Mon Sep 17 00:00:00 2001
From: aedm <korteur@gmail.com>
Date: Mon, 13 Sep 2021 21:55:42 +0200
Subject: [PATCH 2/2] Pretty JSON error responses

---
 graphql_client_cli/src/introspect_schema.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/graphql_client_cli/src/introspect_schema.rs b/graphql_client_cli/src/introspect_schema.rs
index 0e4cf5e6..36a0f8f5 100644
--- a/graphql_client_cli/src/introspect_schema.rs
+++ b/graphql_client_cli/src/introspect_schema.rs
@@ -58,7 +58,10 @@ pub fn introspect_schema(
     } else {
         let status = res.status();
         let error_message = match res.text() {
-            Ok(msg) => format!("HTTP {}: {}", status, msg),
+            Ok(msg) => match serde_json::from_str::<serde_json::Value>(&msg) {
+                Ok(json) => format!("HTTP {}\n{}", status, serde_json::to_string_pretty(&json)?),
+                Err(_) => format!("HTTP {}: {}", status, msg),
+            },
             Err(_) => format!("HTTP {}", status),
         };
         return Err(Error::message(error_message));