name: 🦕 C++ GDExtension

on:
  push:
    branches: "*"
    tags: v*


env:
  vcpkg_tag: 6f29f12e82a8293156836ad81cc9bf5af41fe836 # 2025.01.13
  stable_gdver: 4.2.2-stable

jobs:
  dump_interface:
    name: Dump GDExtension API (double)
    runs-on: ubuntu-latest
    steps:
      - uses: actions/cache@v4
        id: cache
        with:
          path: gdextension
          key: gdextension-api-double-${{ env.stable_gdver }}
          lookup-only: true
          enableCrossOsArchive: true

      - uses: actions/checkout@v4
        if: steps.cache.outputs.cache-hit != 'true'
        with:
          repository: godotengine/godot
          ref: ${{ env.stable_gdver }}

      - name: Build
        if: steps.cache.outputs.cache-hit != 'true'
        run: |
          python -m pip install "scons<4.8"
          scons precision=double
          mkdir gdextension
          cd gdextension
          ../bin/godot.* --headless --dump-extension-api --dump-gdextension-interface


  build:
    needs: [dump_interface]
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        precision: [single, double]
        include:
          - os: ubuntu-latest
            name: 🐧Linux
          - os: macos-latest
            name: 🍎macOS
          - os: windows-latest
            name: 🪟Windows

    name: ${{ matrix.name }} (precision=${{ matrix.precision }})
    runs-on: ${{ matrix.os }}

    steps:
      - uses: actions/checkout@v4
        with:
          submodules: true

      - name: Setup Python 3.x
        uses: actions/setup-python@v5
        with:
          python-version: 3.12

      - name: Install tools
        shell: bash
        run: |
          python -m pip install "scons<4.8"
          scons --version
          pip install ply

      - name: Linux tools
        if: runner.os == 'Linux'
        shell: bash
        run: |
          sudo apt install clang-format

      - name: macOS tools
        if: runner.os == 'macOS'
        shell: bash
        run: |
          brew install clang-format ninja

      - name: Setup vcpkg
        uses: lukka/run-vcpkg@v11
        with:
          vcpkgGitCommitId: ${{ env.vcpkg_tag }}

      - name: Make cache key
        shell: bash
        run: |
          echo "cache_key=godot-cpp-$(git -C gdext/godot-cpp rev-parse --short HEAD)-${{ matrix.precision }}_${{ runner.os }}-$ImageVersion" >> $GITHUB_ENV

      - uses: actions/cache@v4
        id: cache-godot-cpp
        if: github.ref_type != 'tag'
        with:
          path: |
            gdext/scons_cache
          key: ${{ env.cache_key }}

      - uses: actions/cache/restore@v4
        if: matrix.precision == 'double'
        with:
          path: gdextension
          key: gdextension-api-double-${{ env.stable_gdver }}
          fail-on-cache-miss: true
          enableCrossOsArchive: true

      - if: matrix.precision == 'double'
        shell: bash
        run: |
          rm -rf gdext/godot-cpp/gdextension
          mv gdextension gdext/godot-cpp
          ls -al gdext/godot-cpp/gdextension

      - name: Build
        if: github.ref_type != 'tag' || runner.os != 'Windows'
        run: |
          cd gdext
          scons precision=${{ matrix.precision }} godot-cpp
          scons precision=${{ matrix.precision }}
          scons precision=${{ matrix.precision }} target=template_release godot-cpp
          scons precision=${{ matrix.precision }} target=template_release

      - name: Build (with debug symbols)
        if: github.ref_type == 'tag' && runner.os == 'Windows'
        run: |
          cd gdext
          scons precision=${{ matrix.precision }} debug_symbols=yes godot-cpp
          scons precision=${{ matrix.precision }} debug_symbols=yes
          scons precision=${{ matrix.precision }} debug_symbols=yes target=template_release godot-cpp
          scons precision=${{ matrix.precision }} debug_symbols=yes target=template_release

      - name: Upload binaries
        uses: actions/upload-artifact@v4
        with:
          name: gdext-${{ matrix.precision }}-${{ runner.os }}
          path: addons/imgui-godot/bin

  package:
    name: 📦Package
    runs-on: ubuntu-latest
    needs: [build]

    strategy:
      fail-fast: false
      matrix:
        precision: [single, double]

    outputs:
      pkg_single: ${{ steps.prep.outputs.pkg_single }}
      pkg_double: ${{ steps.prep.outputs.pkg_double }}

    steps:
      - uses: actions/checkout@v4
        with:
          submodules: true

      - uses: actions/download-artifact@v4
        with:
          path: addons/imgui-godot/bin
          pattern: gdext-${{ matrix.precision }}-*

      - run: ls -R
        working-directory: addons/imgui-godot/bin

      - name: Extract
        run: |
          cd addons/imgui-godot/bin
          mv gdext-*/* .
          rmdir gdext-*
          rm *.exp
          rm *.lib

      - name: Upload PDBs
        if: github.ref_type == 'tag' && matrix.precision == 'single'
        uses: actions/upload-artifact@v4
        with:
          name: pdbs
          path: addons/imgui-godot/bin/*.pdb

      - name: Prepare files
        id: prep
        run: |
          set -x
          ls -R
          rm -f addons/imgui-godot/bin/*.pdb
          mkdir addons/imgui-godot/include
          cp -r gdext/include/*.h addons/imgui-godot/include/
          touch addons/imgui-godot/include/.gdignore
          cp gdext/imgui-godot-native.gdextension addons/imgui-godot/
          ls -al gdext/imgui

          git -C gdext/imgui fetch --tags
          git -C gdext/imgui describe > addons/imgui-godot/include/imgui-version.txt

          env
          imgui_ver=$(grep -m 1 "^#define IMGUI_VERSION " < gdext/imgui/imgui.h | awk '{ print $3 }' | sed 's/"//g')
          plugin_ver=$(grep -m 1 "version=" < addons/imgui-godot/plugin.cfg | sed 's/version=//' | sed 's/"//g')
          pkgfn=imgui-godot-${plugin_ver}_imgui-${imgui_ver}${{ matrix.precision == 'double' && '_double-precision' || '' }}
          echo $pkgfn
          echo "pkgfn=$pkgfn" >> $GITHUB_OUTPUT
          echo "pkg_${{ matrix.precision }}=$pkgfn" >> $GITHUB_OUTPUT
          rm -rf gdext

          pkgdir=~/out/imgui-godot-${plugin_ver}
          mkdir -p $pkgdir
          mv * $pkgdir
          echo "pkgdir=$pkgdir" >> $GITHUB_OUTPUT

      - name: Upload package
        uses: actions/upload-artifact@v4
        with:
          name: ${{ steps.prep.outputs.pkgfn }}
          path: ~/out
          include-hidden-files: true

      - name: Prep asset
        if: matrix.precision == 'single'
        working-directory: ${{ steps.prep.outputs.pkgdir }}
        run: |
          rm * || true
          rm -r data doc src

      - name: Upload asset package
        if: matrix.precision == 'single'
        uses: actions/upload-artifact@v4
        with:
          name: AssetLib-${{ steps.prep.outputs.pkgfn }}
          path: ~/out
          include-hidden-files: true

  package_cs:
    name: 📦Package (C# only)
    runs-on: ubuntu-latest
    needs: [build]

    steps:
      - uses: actions/checkout@v4

      - name: Prepare files
        id: prep_cs
        run: |
          ls -R
          rm -rf doc/examples
          rm -rf gdext
          plugin_ver=$(grep -m 1 "version=" < addons/imgui-godot/plugin.cfg | sed 's/version=//' | sed 's/"//g')
          pkgfn=imgui-godot-${plugin_ver}-csharp-only
          echo $pkgfn
          echo "pkgfn=$pkgfn" >> $GITHUB_OUTPUT

          pkgdir=~/out/imgui-godot-${plugin_ver}
          mkdir -p $pkgdir
          mv * $pkgdir

      - name: Upload package
        uses: actions/upload-artifact@v4
        with:
          name: ${{ steps.prep_cs.outputs.pkgfn }}
          path: ~/out
          include-hidden-files: true

  gds_game:
    needs: [package]
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        gdver: ["4.2.2", "4.3.0", "4.4.0-beta.3"]
        include:
          - os: ubuntu-latest
            name: 🐧GdsGameProject
            exe: GdsGameProject.x86_64
          - os: macos-latest
            name: 🍎GdsGameProject
            exe: GdsGameProject.app/Contents/MacOS/GdsGameProject
          - os: windows-latest
            name: 🪟GdsGameProject
            exe: GdsGameProject.exe
        exclude:
          # frequently gets stuck on import despite workaround
          - os: windows-latest
            gdver: "4.2.2"

    name: ${{ matrix.name }} (${{ matrix.gdver }})
    runs-on: ${{ matrix.os }}

    steps:
      - uses: actions/checkout@v4

      - uses: actions/download-artifact@v4
        with:
          name: ${{ needs.package.outputs.pkg_single }}

      - uses: chickensoft-games/setup-godot@v2
        with:
          version: ${{ matrix.gdver }}
          use-dotnet: false
          include-templates: true
          cache: false

      - name: Import
        uses: ./.github/actions/import
        with:
          path: doc/examples/GdsGameProject

      - name: Export Debug
        shell: bash
        run: |
          cd $GAMEDIR
          $GODOT --headless --export-debug $RUNNER_OS

      # TODO: check output for unexpected errors
      # Godot 4.2.2 exits with error code 1 on Mac/Win, this is fixed in 4.3
      # https://github.com/godotengine/godot/pull/89229
      - name: Run Debug (workaround)
        if: runner.os != 'Linux' && matrix.gdver == '4.2.2'
        shell: bash
        run: |
          cd $GAMEDIR/export
          ./${{ matrix.exe }} --headless --quit-after 10 || true
          rm -rf *

      - name: Run Debug
        if: runner.os == 'Linux' || matrix.gdver != '4.2.2'
        shell: bash
        run: |
          cd $GAMEDIR/export
          ./${{ matrix.exe }} --headless --quit-after 10
          rm -rf *

      - name: Export Release
        shell: bash
        run: |
          cd $GAMEDIR
          $GODOT --headless --export-release $RUNNER_OS

      - name: Run Release (workaround)
        shell: bash
        run: |
          cd $GAMEDIR/export
          ./${{ matrix.exe }} --headless --quit-after 10 || true

  test_gdscript:
    needs: [package]
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        gdver: ["4.2.2", "4.3.0", "4.4.0-beta.3"]
        include:
          - os: ubuntu-latest
            name: 🐧🧪GDScript
            exe: test.x86_64
          - os: macos-latest
            name: 🍎🧪GDScript
            exe: test.app/Contents/MacOS/test
          - os: windows-latest
            name: 🪟🧪GDScript
            exe: test.exe
        exclude:
          # frequently gets stuck on import despite workaround
          - os: windows-latest
            gdver: "4.2.2"

    name: ${{ matrix.name }} (${{ matrix.gdver }})
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4

      - uses: actions/download-artifact@v4
        with:
          name: ${{ needs.package.outputs.pkg_single }}

      - shell: bash
        run: ls -R

      - uses: chickensoft-games/setup-godot@v2
        with:
          version: ${{ matrix.gdver }}
          use-dotnet: false
          include-templates: true
          cache: false

      - name: Import
        uses: ./.github/actions/import
        with:
          path: doc/test/gdscript

      - name: Run tests
        uses: ./.github/actions/run-test-project
        with:
          exe: ${{ matrix.exe }}

  test_csharp:
    needs: [package]
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        gdver: ["4.2.2", "4.3.0", "4.4.0-beta.3"]
        include:
          - os: ubuntu-latest
            name: 🐧🧪C#
            exe: test.x86_64
          - os: macos-latest
            name: 🍎🧪C#
            exe: test.app/Contents/MacOS/test
          - os: windows-latest
            name: 🪟🧪C#
            exe: test.exe
        exclude:
          # frequently gets stuck on import despite workaround
          - os: windows-latest
            gdver: "4.2.2"

    name: ${{ matrix.name }} (${{ matrix.gdver }})
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4

      - uses: actions/download-artifact@v4
        with:
          name: ${{ needs.package.outputs.pkg_single }}

      - uses: chickensoft-games/setup-godot@v2
        with:
          version: ${{ matrix.gdver }}
          use-dotnet: true
          include-templates: true
          cache: false

      - name: Import
        uses: ./.github/actions/import
        with:
          path: doc/test/csharp

      - name: Build
        shell: bash
        run: |
          cd $GAMEDIR
          dotnet build

      - name: Run tests
        uses: ./.github/actions/run-test-project
        with:
          exe: ${{ matrix.exe }}

  create_release:
    name: 🪄Release
    needs: [package, package_cs]
    runs-on: ubuntu-latest
    if: github.ref_type == 'tag'
    steps:
      - uses: actions/download-artifact@v4

      - shell: bash
        run: |
          ls -R
          for x in *; do
            echo $x
            pushd $x
            zip -9 -r ../$x.zip *
            popd
          done

      - uses: softprops/action-gh-release@v2
        with:
          draft: true
          files: |
            imgui-godot-*.zip
            AssetLib-*.zip
            pdbs.zip