name: CI
on: [ push, pull_request ]
jobs:
  build-java:
    name: Build Java
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Setup Java
        uses: actions/setup-java@v3
        with:
          java-version: 8
          distribution: liberica
          cache: gradle

      - name: Build
        run: ./gradlew buildAll

      - name: Upload Artifacts
        uses: actions/upload-artifact@v3
        with:
          name: java-libraries
          path: |
            imgui-app/build/libs/*.jar
            imgui-binding/build/libs/*.jar
            imgui-lwjgl3/build/libs/*.jar

  build-natives:
    name: Build Native (${{ matrix.type }}${{ matrix.freetype && ', freetype' || ''  }})
    strategy:
      matrix:
        os: [ ubuntu-latest, macos-latest ]
        type: [ windows, linux, macos ]
        freetype: [ true, false ]
        include:
          - type: windows
            expected: /tmp/imgui/libsNative/windows64/imgui-java64.dll
          - type: linux
            expected: /tmp/imgui/libsNative/linux64/libimgui-java64.so
          - type: macos
            expected: /tmp/imgui/libsNative/macosx64/libimgui-java64.dylib
        exclude:
          - os: ubuntu-latest
            type: macos
          - os: macos-latest
            type: windows
          - os: macos-latest
            type: linux
    runs-on: ${{ matrix.os }}
    steps:
      - name: Checkout Repository and Submodules
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          submodules: recursive

      - name: Setup Java
        uses: actions/setup-java@v3
        with:
          java-version: 8
          distribution: liberica
          cache: gradle

      - name: Ant Version
        run: ant -version

      - name: Install MinGW-w64/GCC/G++ (Linux & Windows)
        if: matrix.os == 'ubuntu-latest'
        run: sudo apt install mingw-w64

      - name: FreeType - Install (Linux)
        if: matrix.os == 'ubuntu-latest' && matrix.type == 'linux' && matrix.freetype == true
        run: sudo apt install libfreetype6-dev

      - name: FreeType - Install (Windows)
        if: matrix.os == 'ubuntu-latest' && matrix.type == 'windows' && matrix.freetype == true
        run: |
          sudo mkdir /freetype
          sudo tar -xzf ./vendor/freetype-2.12.1.tar.gz -C /freetype --strip-components=1
          cd /freetype
          sudo ./configure --with-zlib=no --with-bzip2=no --with-png=no --with-harfbuzz=no --with-brotli=no --host=x86_64-w64-mingw32 --prefix=/usr/x86_64-w64-mingw32
          sudo make
          sudo make install

      - name: Build
        run: ./gradlew imgui-binding:generateLibs -Denvs=${{ matrix.type }} -Dfreetype=${{ matrix.freetype }}

      - name: Upload Artifacts
        uses: actions/upload-artifact@v3
        with:
          name: ${{ matrix.freetype && 'native-libraries-with-freetype' || 'native-libraries' }}
          if-no-files-found: error
          path: ${{ matrix.expected }}

  update-bin:
    name: Update Binaries
    if: github.ref == 'refs/heads/main' && !github.event.repository.fork # runs only on the main branch and not forks (sometimes people do PRs from the main branch)
    runs-on: ubuntu-latest
    needs: build-natives
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v3

      - name: Download Artifacts
        uses: actions/download-artifact@v3
        with:
          path: /tmp/artifacts

      # Job compares sha1 hash of the imgui-binding/src/main directory.
      # If there are any changes, then we update native libraries.
      # We do not rely on git in terms of comparing binaries,
      # since DLL files will always have versioning difference.
      - name: Compare Binding Hash
        id: cmp-binding-hash
        continue-on-error: true
        run: |
          touch bin/binding.sha1
          cat bin/binding.sha1 > /tmp/hash
          find imgui-binding/src/main -type f -print0 | sort -z | xargs -0 sha1sum > bin/binding.sha1
          cmp /tmp/hash bin/binding.sha1

      - name: Update
        if: steps.cmp-binding-hash.outcome != 'success'
        run: |
          mv /tmp/artifacts/native-libraries/* bin/
          mv /tmp/artifacts/native-libraries-with-freetype/* bin/freetype/

      - name: Commit
        if: steps.cmp-binding-hash.outcome != 'success'
        uses: EndBug/add-and-commit@v9
        with:
          default_author: github_actions
          message: '[ci skip] update native binaries'

  release:
    name: Release
    if: startsWith(github.ref, 'refs/tags/v') # if tag starts with "v"
    runs-on: ubuntu-latest
    needs: [ build-java, build-natives ]
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Setup Java
        uses: actions/setup-java@v3
        with:
          java-version: 8
          distribution: liberica
          cache: gradle

      - name: Download Artifacts
        uses: actions/download-artifact@v3
        with:
          path: out/artifacts

      - name: Zip Artifacts
        run: |
          mkdir out/archives
          zip -rj out/archives/native-libraries out/artifacts/native-libraries
          zip -rj out/archives/native-libraries-with-freetype out/artifacts/native-libraries-with-freetype
          zip -rj out/archives/java-libraries out/artifacts/java-libraries

      - name: Publish
        env:
          NEXUS_UPD_ID: ${{ secrets.RELEASE_NEXUS_UPD_ID }}
          NEXUS_UPD_PASS: ${{ secrets.RELEASE_NEXUS_UPD_PASS }}
          SIGNING_KEY_ID: ${{ secrets.RELEASE_SIGNING_KEY_ID }}
          SIGNING_KEY: ${{ secrets.RELEASE_SIGNING_KEY }}
        run: |
          chmod +x ./buildSrc/scripts/publish.sh
          buildSrc/scripts/publish.sh

      - name: Release
        uses: softprops/action-gh-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          draft: true
          prerelease: false
          files: |
            out/archives/**