From a4d3d248a5707eecc3b99b9349108e7a10656fd8 Mon Sep 17 00:00:00 2001
From: Leah <leah@leahdevs.xyz>
Date: Wed, 11 Feb 2026 17:11:00 +0100
Subject: [PATCH] Add flake.nix for development environment

---
 flake.nix | 116 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 flake.nix

diff --git a/flake.nix b/flake.nix
new file mode 100644
index 00000000..e30165ed
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,116 @@
+{
+  description = "MeshCore Flutter Application";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+      in
+      {
+        devShells.default = pkgs.mkShell {
+          buildInputs = with pkgs; [
+            # Flutter and Dart
+            flutter
+            dart
+
+            # Java (required for Android development)
+            jdk17
+
+            # Android development tools
+            android-tools
+            gradle
+
+            # iOS development (macOS only)
+          ] ++ (
+            if pkgs.stdenv.isDarwin then
+              with pkgs.darwin.apple_sdk.frameworks; [
+                Cocoa
+                Security
+                IOKit
+              ]
+            else
+              []
+          ) ++ [
+            # Common development tools
+            git
+            curl
+            wget
+            pkg-config
+
+            # Build tools
+            cmake
+            ninja
+            clang
+            llvm
+            # Linux desktop development
+            gtk3
+            glib
+            libdatrie
+            sysprof
+            xorg.libX11
+            xorg.libXext
+            xorg.libXrender
+            xorg.libXinerama
+            xorg.libXcursor
+            xorg.libXi
+            xorg.libXrandr
+            xorg.libXdamage
+            # Optional: testing
+            lcov
+          ];
+
+          shellHook = ''
+            echo "MeshCore Flutter Development Environment"
+            export PKG_CONFIG_PATH="${pkgs.gtk3}/lib/pkgconfig:${pkgs.glib}/lib/pkgconfig:${pkgs.sysprof}/lib/pkgconfig:$PKG_CONFIG_PATH"
+            export LD_LIBRARY_PATH="${pkgs.lib.makeLibraryPath [pkgs.gtk3 pkgs.glib pkgs.sysprof pkgs.libdatrie]}:$LD_LIBRARY_PATH"
+            export CMAKE_INSTALL_PREFIX="$PWD/build/bundle"
+            mkdir -p "$PWD/build/bundle"
+            
+            # Setup Android SDK in home directory (standard location)
+            export ANDROID_HOME="$HOME/Android/Sdk"
+            export ANDROID_SDK_ROOT="$ANDROID_HOME"
+            export PATH="$ANDROID_HOME/cmdline-tools/latest/bin:$ANDROID_HOME/platform-tools:$ANDROID_HOME/tools/bin:$PATH"
+            
+            # Use gradle wrapper
+            export GRADLE_USER_HOME="$PWD/.gradle"
+            
+            echo "Android SDK: $ANDROID_HOME"
+            echo "Gradle Home: $GRADLE_USER_HOME"
+            echo ""
+            
+            # Check if Android SDK exists and offer to download if not
+            if [ ! -d "$ANDROID_HOME" ]; then
+              echo "WARNING: Android SDK not found at $ANDROID_HOME"
+              echo ""
+              echo "To download and set up the Android SDK, run this command:"
+              echo ""
+              cat << 'EOF'
+mkdir -p ~/Android/Sdk && cd ~/Android/Sdk && \
+curl -o cmdline-tools.zip https://dl.google.com/android/repository/commandlinetools-linux-10406996_latest.zip && \
+unzip -q cmdline-tools.zip && \
+mkdir -p cmdline-tools/latest && \
+mv cmdline-tools/* cmdline-tools/latest/ 2>/dev/null || true && \
+rm cmdline-tools.zip && \
+cd cmdline-tools/latest/bin && \
+yes | ./sdkmanager --sdk_root=~/Android/Sdk 'platform-tools' 'platforms;android-34' 'build-tools;34.0.0' && \
+echo "Android SDK setup complete!"
+EOF
+              echo ""
+              echo "Then run 'flutter doctor' again to verify."
+              echo ""
+            else
+              echo "Android SDK found at $ANDROID_HOME"
+            fi
+            
+            echo "Running flutter doctor..."
+            flutter doctor
+          '';
+        };
+      }
+    );
+}