release.yml

name: Release

on:
  push:
    branches: [main]

jobs:
  # ── Step 1: Check if the version in CMakeLists.txt is new ───────────────────
  check-version:
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.version.outputs.version }}
      should_release: ${{ steps.tag_check.outputs.should_release }}

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Extract version from CMakeLists.txt
        id: version
        run: |
          VERSION=$(grep -oP '(?<=project\(Convoy VERSION )\d+\.\d+\.\d+' CMakeLists.txt)
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          echo "Detected version: $VERSION"

      - name: Check if tag already exists
        id: tag_check
        run: |
          if git rev-parse "v${{ steps.version.outputs.version }}" >/dev/null 2>&1; then
            echo "Tag v${{ steps.version.outputs.version }} already exists — skipping release."
            echo "should_release=false" >> $GITHUB_OUTPUT
          else
            echo "New version v${{ steps.version.outputs.version }} — will create release."
            echo "should_release=true" >> $GITHUB_OUTPUT
          fi

  # ── Step 2: Build full graphics executable on both platforms ────────────────
  build-release:
    needs: check-version
    if: needs.check-version.outputs.should_release == 'true'
    name: Build ${{ matrix.config.name }}
    runs-on: ${{ matrix.config.os }}

    strategy:
      fail-fast: false
      matrix:
        config:
          - name: "Windows"
            os: windows-latest
            artifact_name: convoy-windows-x86_64
            artifact_ext: zip
          - name: "Linux"
            os: ubuntu-latest
            artifact_name: convoy-linux-x86_64
            artifact_ext: tar.gz

    steps:
      - uses: actions/checkout@v4

      # ── Windows: GLFW via vcpkg (static-md = static libs + dynamic CRT) ─────
      - name: Bootstrap vcpkg (Windows)
        if: runner.os == 'Windows'
        run: |
          if [ ! -d "C:/vcpkg/.git" ]; then
            git clone --depth=1 https://github.com/microsoft/vcpkg.git C:/vcpkg
          fi
          C:/vcpkg/bootstrap-vcpkg.bat -disableMetrics
        shell: bash

      - name: Cache vcpkg packages (Windows)
        if: runner.os == 'Windows'
        uses: actions/cache@v4
        with:
          path: C:/vcpkg/installed
          key: vcpkg-windows-${{ hashFiles('vcpkg.json') }}
          restore-keys: vcpkg-windows-

      - name: Configure CMake (Windows)
        if: runner.os == 'Windows'
        run: |
          cmake -B build \
            -DCMAKE_BUILD_TYPE=Release \
            -DCMAKE_TOOLCHAIN_FILE="C:/vcpkg/scripts/buildsystems/vcpkg.cmake" \
            -DVCPKG_TARGET_TRIPLET=x64-windows-static-md
        shell: bash

      # ── Linux: build GLFW 3.4 from source (Ubuntu apt ships 3.3.x) ──────────
      - name: Install build dependencies (Linux)
        if: runner.os == 'Linux'
        run: |
          sudo apt-get update
          sudo apt-get install -y build-essential cmake libgl1-mesa-dev xorg-dev wget unzip

      - name: Build and install GLFW 3.4 from source (Linux)
        if: runner.os == 'Linux'
        run: |
          wget -q https://github.com/glfw/glfw/releases/download/3.4/glfw-3.4.zip
          unzip -q glfw-3.4.zip
          cmake -B glfw-build -S glfw-3.4 \
            -DGLFW_BUILD_DOCS=OFF \
            -DGLFW_BUILD_TESTS=OFF \
            -DGLFW_BUILD_EXAMPLES=OFF \
            -DGLFW_BUILD_WAYLAND=OFF \
            -DCMAKE_BUILD_TYPE=Release
          cmake --build glfw-build
          sudo cmake --install glfw-build
          rm -rf glfw-3.4 glfw-3.4.zip glfw-build

      - name: Configure CMake (Linux)
        if: runner.os == 'Linux'
        run: cmake -B build -DCMAKE_BUILD_TYPE=Release

      # ── Build ────────────────────────────────────────────────────────────────
      - name: Build
        run: cmake --build build --config Release

      # ── Verify convoy executable was produced ────────────────────────────────
      - name: Verify executable (Windows)
        if: runner.os == 'Windows'
        run: test -f build/Release/convoy.exe
        shell: bash

      - name: Verify executable (Linux)
        if: runner.os == 'Linux'
        run: test -f build/convoy

      # ── Package ──────────────────────────────────────────────────────────────
      - name: Package (Windows)
        if: runner.os == 'Windows'
        run: |
          mkdir dist
          cp build/Release/convoy.exe dist/
          7z a convoy-windows-x86_64.zip ./dist/convoy.exe
        shell: bash

      - name: Package (Linux)
        if: runner.os == 'Linux'
        run: |
          mkdir dist
          cp build/convoy dist/
          tar -czf convoy-linux-x86_64.tar.gz -C dist convoy

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: ${{ matrix.config.artifact_name }}
          path: ${{ matrix.config.artifact_name }}.${{ matrix.config.artifact_ext }}

  # ── Step 3: Create git tag and GitHub Release ────────────────────────────────
  create-release:
    needs: [check-version, build-release]
    if: needs.check-version.outputs.should_release == 'true'
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Create and push git tag
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git tag "v${{ needs.check-version.outputs.version }}"
          git push origin "v${{ needs.check-version.outputs.version }}"

      - name: Download all build artifacts
        uses: actions/download-artifact@v4
        with:
          path: artifacts

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: v${{ needs.check-version.outputs.version }}
          name: Convoy v${{ needs.check-version.outputs.version }}
          generate_release_notes: true
          files: |
            artifacts/convoy-windows-x86_64/convoy-windows-x86_64.zip
            artifacts/convoy-linux-x86_64/convoy-linux-x86_64.tar.gz