feat: improve HTTP error diagnostics with detailed user-facing messages

Author: shdwmtr

CMakeLists.txt

@@ -106,7 +106,6 @@ if(UNIX AND NOT APPLE)
 
     target_compile_options(${PROJECT_NAME} PRIVATE ${GLFW_CFLAGS})
     target_link_libraries(${PROJECT_NAME} PRIVATE ${GLFW_LDFLAGS} GL)
-
 elseif(APPLE)
     find_library(COCOA_LIBRARY Cocoa REQUIRED)
     find_library(IOKIT_LIBRARY IOKit REQUIRED)
@@ -121,7 +120,6 @@ elseif(APPLE)
         ${OPENGL_LIBRARY}
         ${GLFW_LIBRARY}
     )
-
 elseif(WIN32)
     target_include_directories(${PROJECT_NAME}
         SYSTEM PRIVATE ${minizip_ng_SOURCE_DIR}

src/include/http.h

@@ -124,20 +124,20 @@ const bool FetchVersionInfo()
 
         if (response.isNetworkError()) {
             if (page == 1) {
-                ShowMessageBox("Whoops!", "Failed to connect to the GitHub API! Make sure you have a valid internet connection.", Error);
+                ShowMessageBox("Whoops!", std::format("Failed to connect to the GitHub API!\n\n{}", response.networkErrorReason()), Error);
                 return false;
             }
             break;
         }
 
         if (response.isRateLimited()) {
-            ShowMessageBox("Whoops!", "GitHub API rate limit exceeded. Please wait a few minutes and try again.", Error);
+            ShowMessageBox("Whoops!", response.rateLimitMessage(), Error);
             return false;
         }
 
         if (!response.ok()) {
             if (page == 1) {
-                ShowMessageBox("Whoops!", std::format("Failed to fetch version information (HTTP {}). Please try again later.", response.statusCode), Error);
+                ShowMessageBox("Whoops!", response.httpErrorMessage(), Error);
                 return false;
             }
             break;