deploy.yml

#*********************************************************************/
#  CI Pipeline - Full Stack Project (Core, API, & Frontend)          */
#                                                                    */
# Purpose   : Orchestrates multi-platform builds and automates       */
#             Docker distribution to GitHub Packages (GHCR).         */
# Trigger   : Push to main                                           */
# Runtime   : Matrix Build (Linux, Win, macOS) + Docker Publish      */
#                                                                    */
# Notes     : - v1.4 adds GHCR (GitHub Packages) integration.        */
#             - v1.5 Fixes Dockerfile pathing and build context.     */
#                                                                    */
# Revision History:                                                  */
# ------------------------------------------------------------------ */
# Version    Date        Author          Description                 */
# ------------------------------------------------------------------ */
# 1.0        2026-04-14  Nitish Singh    Initial Full-Project CI     */
# 1.1        2026-04-15  Nitish Singh    Updated for Monorepo Paths  */
# 1.2        2026-04-15  Nitish Singh    Extracted Frontend Job      */
# 1.3        2026-04-16  Nitish Singh    Optimized Toolchain Setup   */
# 1.4        2026-04-22  Nitish Singh    Added Docker GHCR Deployment*/
# 1.5        2026-04-22  Nitish Singh    Fixed Docker Context & Path */
#*********************************************************************/

name: Build Full Project - All Platforms

on:
  push:
    branches: [main]

permissions:
  contents: read
  packages: write

jobs:
  build-dll-api:
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
    runs-on: ${{ matrix.os }}
    timeout-minutes: 30

    steps:
      - name: Checkout repo
        uses: actions/checkout@v4

      - name: Setup CMake
        uses: jwlawson/actions-setup-cmake@v1.14
        with:
          cmake-version: '3.26.4'

      - name: Install compiler (Linux)
        if: runner.os == 'Linux'
        run: sudo apt-get update && sudo apt-get install -y build-essential

      # --- Native Layer (C++) ---
      - name: Configure DLL (Unix)
        if: runner.os != 'Windows'
        run: |
          cmake -S backend/CaseConversionAPI/CppLib \
                -B backend/CaseConversionAPI/CppLib/build_dll \
                -DCMAKE_BUILD_TYPE=Release

      - name: Configure DLL (Windows)
        if: runner.os == 'Windows'
        run: |
          cmake -S backend/CaseConversionAPI/CppLib `
                -B backend/CaseConversionAPI/CppLib/build_dll `
                -DCMAKE_BUILD_TYPE=Release `
                -DPROCESSSTRING_EXPORTS=ON `
                -G "Visual Studio 17 2022" -A x64

      - name: Build DLL
        run: cmake --build backend/CaseConversionAPI/CppLib/build_dll --config Release --parallel

      # --- Managed Layer (.NET 8) ---
      - name: Setup .NET
        uses: actions/setup-dotnet@v3
        with:
          dotnet-version: '8.0.x'

      - name: Restore & Publish .NET API
        run: |
          dotnet restore backend/CaseConversionAPI/DotNetAPI
          dotnet publish backend/CaseConversionAPI/DotNetAPI -c Release -o ./publish

      # --- ABI Bridge (Artifact Injection) ---
      - name: Inject Native Artifacts
        shell: bash
        run: |
          if [ "${{ runner.os }}" == "Linux" ]; then
            cp backend/CaseConversionAPI/CppLib/build_dll/libProcessStringDLL.so ./publish/
          elif [ "${{ runner.os }}" == "macOS" ]; then
            cp backend/CaseConversionAPI/CppLib/build_dll/libProcessStringDLL.dylib ./publish/
          elif [ "${{ runner.os }}" == "Windows" ]; then
            find backend/CaseConversionAPI/CppLib/build_dll -name "ProcessStringDLL.dll" -exec cp {} ./publish/ \;
          fi

      - name: Upload API + DLL artifact
        uses: actions/upload-artifact@v4
        with:
          name: DotNetAPI-${{ matrix.os }}
          path: ./publish/

  build-frontend:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repo
        uses: actions/checkout@v4
      - name: Setup Node.js
        uses: actions/setup-node@v3
        with:
          node-version: 20
      - name: Build Frontend
        working-directory: ./frontend
        run: |
          npm install
          npm run build
      - name: Upload Frontend artifact
        uses: actions/upload-artifact@v4
        with:
          name: Frontend-Static-Assets
          path: frontend/dist/

  publish-docker:
    needs: [build-dll-api]
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repo
        uses: actions/checkout@v4

      - name: Download Linux Artifacts
        uses: actions/download-artifact@v4
        with:
          name: DotNetAPI-ubuntu-latest
          path: ./publish # Keeps consistency with the Dockerfile's expectations

      - name: Log in to GHCR
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and Push to Packages
        uses: docker/build-push-action@v5
        with:
          context:
          file: ./backend/Dockerfile
          push: true
          tags: |
            ghcr.io/${{ github.repository }}:latest
            ghcr.io/${{ github.repository }}:${{ github.sha }}