From 6c737c10c758468e46b3812371f5aee2e9767a92 Mon Sep 17 00:00:00 2001
From: Rune Harlyk <rune@harlyk.dk>
Date: Sat, 3 Jan 2026 00:51:01 +0100
Subject: [PATCH] Adds build step for protobuff

---
 esp32/scripts/compile_protos.py | 54 +++++++++++++++++++++++++++++++++
 esp32/scripts/pre_build.py      | 14 +++++++--
 2 files changed, 66 insertions(+), 2 deletions(-)
 create mode 100644 esp32/scripts/compile_protos.py

diff --git a/esp32/scripts/compile_protos.py b/esp32/scripts/compile_protos.py
new file mode 100644
index 0000000..b8d659f
--- /dev/null
+++ b/esp32/scripts/compile_protos.py
@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+import subprocess
+import os
+import sys
+from pathlib import Path
+
+def get_project_root():
+    script_dir = Path(__file__).parent.absolute()
+    return script_dir.parent.parent
+
+def compile_nanopb():
+    project_root = get_project_root()
+    proto_dir = project_root / "platform_shared"
+    output_dir = project_root / "esp32" / "src" / "platform_shared"
+    nanopb_gen = project_root / "submodules" / "nanopb" / "generator" / "nanopb_generator.py"
+    
+    output_dir.mkdir(parents=True, exist_ok=True)
+    
+    proto_files = [
+        proto_dir / "websocket_message.proto",
+        proto_dir / "rest_message.proto"
+    ]
+    
+    print(f"Compiling protobuf files with nanopb...")
+    print(f"  Proto dir: {proto_dir}")
+    print(f"  Output dir: {output_dir}")
+    
+    cmd = [
+        sys.executable,
+        str(nanopb_gen),
+        "-I", str(proto_dir),
+        "-D", str(output_dir),
+    ] + [str(f) for f in proto_files]
+    
+    print(f"  Command: {' '.join(cmd)}")
+    
+    result = subprocess.run(cmd, capture_output=True, text=True)
+    
+    if result.returncode != 0:
+        print(f"Error compiling protos:")
+        print(result.stderr)
+        return False
+    
+    print(f"  Successfully compiled {len(proto_files)} proto files")
+    return True
+
+def main():
+    if not compile_nanopb():
+        sys.exit(1)
+    print("Proto compilation complete!")
+
+if __name__ == "__main__":
+    main()
+
diff --git a/esp32/scripts/pre_build.py b/esp32/scripts/pre_build.py
index 86f1085..ee3d830 100644
--- a/esp32/scripts/pre_build.py
+++ b/esp32/scripts/pre_build.py
@@ -1,7 +1,17 @@
 from pathlib import Path
+import subprocess
+import sys
 
 Import("env")
 
-filesystem_dir = env["PROJECT_DIR"] + "/esp32/data"
+project_dir = Path(env["PROJECT_DIR"])
+filesystem_dir = project_dir / "esp32" / "data"
 
-Path(filesystem_dir).mkdir(exist_ok=True)
\ No newline at end of file
+Path(filesystem_dir).mkdir(exist_ok=True)
+
+proto_script = project_dir / "esp32" / "scripts" / "compile_protos.py"
+if proto_script.exists():
+    print("Running proto compilation...")
+    result = subprocess.run([sys.executable, str(proto_script)], cwd=str(project_dir))
+    if result.returncode != 0:
+        print("Warning: Proto compilation failed")