added windows build

Author: ehsan6sha

.github/workflows/windows-release.yml

@@ -0,0 +1,83 @@
+name: Windows Release
+
+on:
+  release:
+    types: [published]
+  workflow_dispatch:
+
+env:
+  CARGO_TERM_COLOR: always
+  FLUTTER_VERSION: '3.38.0'
+
+jobs:
+  build-windows:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Rust
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Setup Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          flutter-version: ${{ env.FLUTTER_VERSION }}
+          channel: stable
+
+      - name: Cache Cargo
+        uses: Swatinem/rust-cache@v2
+        with:
+          shared-key: rust-windows-release
+
+      - name: Install flutter_rust_bridge_codegen
+        run: cargo install flutter_rust_bridge_codegen
+
+      - name: Get Flutter dependencies
+        working-directory: packages/fula_client
+        run: flutter pub get
+
+      - name: Generate Rust bindings
+        run: flutter_rust_bridge_codegen generate
+
+      - name: Build Windows DLL
+        run: cargo build -p fula-flutter --release
+
+      - name: Upload Windows DLL artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: windows-x86_64
+          path: target/release/fula_flutter.dll
+          retention-days: 1
+
+  attach-to-release:
+    needs: build-windows
+    runs-on: ubuntu-latest
+    steps:
+      - name: Determine release tag
+        id: tag
+        run: |
+          if [ "${{ github.event_name }}" = "release" ]; then
+            echo "tag=${{ github.event.release.tag_name }}" >> $GITHUB_OUTPUT
+          else
+            TAG=$(gh api repos/${{ github.repository }}/releases/latest --jq .tag_name)
+            echo "tag=$TAG" >> $GITHUB_OUTPUT
+          fi
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Download Windows DLL artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: windows-x86_64
+          path: windows-libs/
+
+      - name: Package Windows libs
+        run: cd windows-libs && zip -r ../windows-libs.zip .
+
+      - name: Upload to GitHub Release
+        uses: softprops/action-gh-release@v1
+        with:
+          tag_name: ${{ steps.tag.outputs.tag }}
+          files: windows-libs.zip
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

packages/fula_client/pubspec.yaml

@@ -32,6 +32,7 @@ platforms:
   android:
   ios:
   web:
+  windows:
 
 flutter:
   plugin:
@@ -40,6 +41,8 @@ flutter:
         ffiPlugin: true
       ios:
         ffiPlugin: true
+      windows:
+        ffiPlugin: true
       web:
         pluginClass: FulaClientWeb
         fileName: fula_client_web.dart

packages/fula_client/windows/CMakeLists.txt

@@ -0,0 +1,40 @@
+cmake_minimum_required(VERSION 3.14)
+project(fula_flutter VERSION 0.1.0 LANGUAGES C)
+
+# Pre-built DLL path (downloaded from GitHub Releases or built locally)
+set(FULA_DLL "${CMAKE_CURRENT_SOURCE_DIR}/fula_flutter.dll")
+
+if(EXISTS "${FULA_DLL}")
+  # Install the pre-built DLL to the Flutter app's build output
+  install(FILES "${FULA_DLL}" DESTINATION "${CMAKE_INSTALL_PREFIX}")
+else()
+  # Option: build from source if DLL not found and BUILD_FROM_SOURCE is set
+  option(BUILD_FROM_SOURCE "Build fula_flutter from Rust source" OFF)
+
+  if(BUILD_FROM_SOURCE)
+    # Find the workspace root (3 levels up from windows/)
+    get_filename_component(WORKSPACE_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/../../.." ABSOLUTE)
+
+    add_custom_command(
+      OUTPUT "${WORKSPACE_ROOT}/target/release/fula_flutter.dll"
+      COMMAND cargo build -p fula-flutter --release
+      WORKING_DIRECTORY "${WORKSPACE_ROOT}"
+      COMMENT "Building fula_flutter from Rust source..."
+    )
+
+    add_custom_target(build_fula_flutter ALL
+      DEPENDS "${WORKSPACE_ROOT}/target/release/fula_flutter.dll"
+    )
+
+    install(
+      FILES "${WORKSPACE_ROOT}/target/release/fula_flutter.dll"
+      DESTINATION "${CMAKE_INSTALL_PREFIX}"
+    )
+  else()
+    message(FATAL_ERROR
+      "fula_flutter.dll not found at ${FULA_DLL}. "
+      "Download it from GitHub Releases and place it in the windows/ directory, "
+      "or set -DBUILD_FROM_SOURCE=ON to build from Rust source."
+    )
+  endif()
+endif()