release.yml

name: Release Pyraview

on:
  release:
    types: [published]
  push:
    tags: [ 'v*' ]
  workflow_dispatch:
    inputs:
      tag:
        description: 'Tag to release'
        required: true

jobs:
  build_and_test:
    name: Build & Package (${{ matrix.os }})
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]

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

      - name: Setup CMake
        uses: lukka/get-cmake@latest

      - name: Configure CMake
        shell: bash
        run: |
          mkdir build
          if [ "${{ runner.os }}" == "Windows" ]; then
            cmake -S . -B build -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=Release
          else
            cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
          fi

      - name: Build All
        run: cmake --build build --parallel

      # Zip binaries for release (naming by OS/Architecture)
      - name: Package Binaries
        shell: bash
        run: |
          mkdir -p dist
          if [ "${{ runner.os }}" == "Windows" ]; then
            # Use 7-Zip (pre-installed on Windows runners)
            # 'a' is add, '-j' junk paths (like zip -j)
            7z a -tzip dist/pyraview-win-x64.zip ./build/bin/*.dll ./build/bin/*.exe
          else
            zip -j dist/pyraview-${{ runner.os }}-${{ runner.arch }}.zip build/bin/*
          fi

      - name: Upload Artifacts
        uses: actions/upload-artifact@v4
        with:
          name: binaries-${{ matrix.os }}
          path: dist/*

  build-matlab:
    name: Build Matlab MEX (${{ matrix.os }})
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        # Matlab actions support limited OS versions, check availability
        os: [ubuntu-latest, windows-latest, macos-latest]
    steps:
      - uses: actions/checkout@v4

      - uses: matlab-actions/setup-matlab@v2
        with:
          release: 'R2024b'

      - name: Compile MEX
        uses: matlab-actions/run-command@v2
        with:
          # Run the updated build script which handles paths correctly
          command: cd('src/matlab'); build_pyraview;

      - name: Upload MEX Artifact
        uses: actions/upload-artifact@v4
        with:
          name: mex-${{ matrix.os }}
          path: src/matlab/+pyraview/*.mex* # Capture all MEX files in the package
          if-no-files-found: error

  package-matlab:
    name: Package Matlab Toolbox
    needs: build-matlab
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: matlab-actions/setup-matlab@v2
        with:
          release: 'R2024b'

      # Download all platform-specific MEX files we just built
      - name: Download all MEX artifacts
        uses: actions/download-artifact@v4
        with:
          path: src/matlab/+pyraview
          pattern: mex-*
          merge-multiple: true

      # Run the packaging command
      - name: Package Toolbox
        uses: matlab-actions/run-command@v2
        env:
          GITHUB_REF_NAME: ${{ inputs.tag || github.ref_name }}
        with:
          command: |
            % 1. Define metadata
            toolboxName = 'Pyraview';
            % Use the fixed GUID we agreed upon
            guid = '6e14a2b9-7f3c-4d8e-9a1b-3c5d7e9f2a4b';

            % 2. Get Version from Environment
            version = getenv('GITHUB_REF_NAME');
            if isempty(version) || ~startsWith(version, 'v')
                version = '0.1.6'; % Fallback
            else
                version = erase(version, 'v');
            end

            % 3. Initialize Options from the MATLAB source folder
            % This creates the object without needing a .prj file on disk yet
            opts = matlab.addons.toolbox.ToolboxOptions(fullfile(pwd, 'src', 'matlab'), guid, ...
                'ToolboxName', toolboxName, ...
                'ToolboxVersion', version, ...
                'AuthorName', 'Van Hooser lab', ...
                'AuthorEmail', 'vanhoosr@brandeis.edu', ...
                'Description', 'High-performance multi-resolution decimation engine.', ...
                'OutputFile', fullfile(pwd, 'Pyraview.mltbx'), ...
                'ToolboxFiles', {fullfile(pwd, 'src', 'matlab')});

            % 6. Package it
            fprintf('Packaging %s v%s [%s]...\n', toolboxName, version, guid);
            matlab.addons.toolbox.packageToolbox(opts);

      # Upload the .mltbx as an artifact so the release job can pick it up
      - name: Upload Toolbox Artifact
        uses: actions/upload-artifact@v4
        with:
          name: matlab-toolbox
          path: Pyraview.mltbx

  release:
    name: Create GitHub Release
    needs: [build_and_test, package-matlab]
    runs-on: ubuntu-latest
    permissions:
      contents: write # Required to create releases

    steps:
      - name: Download All Artifacts
        uses: actions/download-artifact@v4
        with:
          path: release-assets
          merge-multiple: true

      - name: Create Release
        uses: softprops/action-gh-release@v1
        with:
          files: release-assets/*
          name: Release ${{ inputs.tag || github.ref_name }}
          tag_name: ${{ inputs.tag || github.ref_name }}
          draft: false
          prerelease: false
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}