name: 🍏 iOS builds
on:
  workflow_call:
    inputs:
      godot-ref:
        description: A tag, branch or commit hash in the Godot repository.
        type: string
        default: master
      limboai-ref:
        description: A tag, branch or commit hash in the LimboAI repository.
        type: string
        default: master

  workflow_dispatch:
    inputs:
      godot-ref:
        description: A tag, branch or commit hash in the Godot repository.
        type: string
        default: master
      limboai-ref:
        description: A tag, branch or commit hash in the LimboAI repository.
        type: string
        default: master

# Global Settings
env:
  SCONS_CACHE_LIMIT: 4096
  SCONSFLAGS: production=yes tests=no verbose=yes warnings=extra
  DOTNET_NOLOGO: true
  DOTNET_CLI_TELEMETRY_OPTOUT: true

jobs:
  ios-builds:
    runs-on: "macos-latest"
    name: ${{ matrix.name }}

    strategy:
      fail-fast: false
      matrix:
        include:
          - name: Template (arm64, release)
            target: template_release
            arch: arm64
            ios_simulator: false
            dotnet: false

          - name: Template (arm64, debug)
            target: template_debug
            arch: arm64
            ios_simulator: false
            dotnet: false

          - name: Simulator (x86_64, release)
            target: template_release
            arch: x86_64
            ios_simulator: true
            dotnet: false

          - name: Simulator (x86_64, debug)
            target: template_debug
            arch: x86_64
            ios_simulator: true
            dotnet: false

          # ! Disabled for now as it doesn't work with cctools-port and current LLVM.
          # * See https://github.com/godotengine/build-containers/pull/85.
          # - name: Simulator Lib (arm64, release)
          #   target: template_release
          #   arch: arm64
          #   ios_simulator: true

          # - name: Simulator Lib (arm64, debug)
          #   target: template_debug
          #   arch: arm64
          #   ios_simulator: true

          - name: Template .NET (arm64, release)
            target: template_release
            arch: arm64
            ios_simulator: false
            dotnet: true

          - name: Template .NET (arm64, debug)
            target: template_debug
            arch: arm64
            ios_simulator: false
            dotnet: true

          - name: Simulator .NET (x86_64, release)
            target: template_release
            arch: x86_64
            ios_simulator: true
            dotnet: true

          - name: Simulator .NET (x86_64, debug)
            target: template_debug
            arch: x86_64
            ios_simulator: true
            dotnet: true

    env:
      BIN: godot.ios.${{matrix.target}}.${{matrix.arch}}${{  matrix.dotnet == true && '.mono' || ''  }}

    steps:
      - name: Clone Godot
        uses: actions/checkout@v4
        with:
          repository: godotengine/godot
          ref: ${{ inputs.godot-ref }}

      - name: Clone LimboAI module
        uses: actions/checkout@v4
        with:
          path: modules/limboai
          ref: ${{ inputs.limboai-ref }}

      # Inits GODOT_VERSION, LIMBOAI_VERSION and NAME_PREFIX environment variables.
      - uses: ./modules/limboai/.github/actions/init-version

      - name: Set up Python 3.x
        uses: actions/setup-python@v5
        with:
          python-version: "3.x"
          architecture: "x64"

      - name: Set up scons
        run: |
          python -c "import sys; print(sys.version)"
          python -m pip install scons==4.4.0

      - name: Diagnostics
        run: |
          python --version
          scons --version
          dotnet --info

      - name: Set up Vulkan SDK
        run: |
          # ! Note: Vulkan SDK changed packaging, so we need to inline these steps for the time being.
          #sh misc/scripts/install_vulkan_sdk_macos.sh

          curl -L "https://sdk.lunarg.com/sdk/download/latest/mac/vulkan-sdk.zip" -o /tmp/vulkan-sdk.zip
          unzip /tmp/vulkan-sdk.zip -d /tmp
          /tmp/InstallVulkan.app/Contents/MacOS/InstallVulkan --accept-licenses --default-answer --confirm-command install
          rm -Rf /tmp/InstallVulkan.app
          rm -f /tmp/vulkan-sdk.zip

      # ! Note: we stopped using the scons cache in release builds.
      # - name: Set up scons cache
      #   uses: actions/cache@v4
      #   with:
      #     path: ${{github.workspace}}/.scons_cache/
      #     key: ${{env.BIN}}-${{inputs.godot-ref}}-${{inputs.limboai-ref}}-${{env.LIMBOAI_VERSION}}
      #     restore-keys: |
      #       ${{env.BIN}}-${{inputs.godot-ref}}-${{inputs.limboai-ref}}-${{env.LIMBOAI_VERSION}}
      #       ${{env.BIN}}-${{inputs.godot-ref}}-${{inputs.limboai-ref}}
      #       ${{env.BIN}}-${{inputs.godot-ref}}

      - name: Compilation
        env:
          SCONS_CACHE: ${{github.workspace}}/.scons_cache/
        run: |
          scons platform=ios target=${{matrix.target}} arch=${{matrix.arch}} ios_simulator=${{matrix.ios_simulator}} module_mono_enabled=${{matrix.dotnet}} ${{env.SCONSFLAGS}}

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: tmp-ios${{matrix.dotnet == true && '-dotnet' || ''}}-templates-${{strategy.job-index}}
          path: bin/*

  package-ios-templates:
    runs-on: "macos-latest"
    name: ${{ matrix.name }}
    needs: ios-builds

    strategy:
      fail-fast: false
      matrix:
        include:
          - name: Package iOS templates
            dotnet: false
          - name: Package iOS .NET templates
            dotnet: true

    steps:
      - name: Clone Godot
        uses: actions/checkout@v4
        with:
          repository: godotengine/godot
          ref: ${{ inputs.godot-ref }}

      - name: Clone LimboAI module
        uses: actions/checkout@v4
        with:
          path: modules/limboai
          ref: ${{ inputs.limboai-ref }}

      # Inits GODOT_VERSION, LIMBOAI_VERSION and NAME_PREFIX environment variables.
      - uses: ./modules/limboai/.github/actions/init-version

      - name: Set up Vulkan SDK
        run: |
          # ! Note: Vulkan SDK changed packaging, so we need to inline these steps for the time being.
          #sh misc/scripts/install_vulkan_sdk_macos.sh

          curl -L "https://sdk.lunarg.com/sdk/download/latest/mac/vulkan-sdk.zip" -o /tmp/vulkan-sdk.zip
          unzip /tmp/vulkan-sdk.zip -d /tmp
          /tmp/InstallVulkan.app/Contents/MacOS/InstallVulkan --accept-licenses --default-answer --confirm-command install
          rm -Rf /tmp/InstallVulkan.app
          rm -f /tmp/vulkan-sdk.zip

      - name: Download templates artifact
        uses: actions/download-artifact@v4
        with:
          pattern: tmp-ios${{matrix.dotnet == true && '-dotnet' || ''}}-templates-*
          merge-multiple: true
          path: bin/

      - name: Make template bundle
        run: |
          ls bin/
          cp -r misc/dist/ios_xcode bin/
          cd bin/

          mv libgodot.ios.template_debug.arm64.a ios_xcode/libgodot.ios.debug.xcframework/ios-arm64/libgodot.a
          # ! lipo -create libgodot.ios.template_debug.arm64.simulator.a libgodot.ios.template_debug.x86_64.simulator.a -output ios_xcode/libgodot.ios.debug.xcframework/ios-arm64_x86_64-simulator/libgodot.a
          mv libgodot.ios.template_debug.x86_64.simulator.a ios_xcode/libgodot.ios.debug.xcframework/ios-arm64_x86_64-simulator/libgodot.a

          mv libgodot.ios.template_release.arm64.a ios_xcode/libgodot.ios.release.xcframework/ios-arm64/libgodot.a
          # ! lipo -create libgodot.ios.template_release.arm64.simulator.a libgodot.ios.template_release.x86_64.simulator.a -output ios_xcode/libgodot.ios.release.xcframework/ios-arm64_x86_64-simulator/libgodot.a
          mv libgodot.ios.template_release.x86_64.simulator.a ios_xcode/libgodot.ios.release.xcframework/ios-arm64_x86_64-simulator/libgodot.a

          cp -r ~/VulkanSDK/*/macOS/lib/MoltenVK.xcframework ios_xcode
          rm -rf ios_xcode/MoltenVK.xcframework/{macos,tvos}*

          mkdir -p ${{github.workspace}}/out/templates/
          cd ios_xcode
          zip -q -9 -r ${{github.workspace}}/out/templates/ios.zip *

          echo "${GODOT_VERSION}.limboai+${LIMBOAI_VERSION}${{matrix.dotnet == true && '.mono' || ''}}" > ${{github.workspace}}/out/templates/version.txt

          ls -l ${{github.workspace}}/out/*

      - name: Upload template bundle
        uses: actions/upload-artifact@v4
        with:
          name: ${{env.NAME_PREFIX}}${{matrix.dotnet == true && '.dotnet' || ''}}.export-templates.ios
          path: out/*

      - name: Delete templates artifact
        uses: geekyeggo/delete-artifact@v5
        with:
          name: tmp-ios${{matrix.dotnet == true && '-dotnet' || ''}}-templates-*
          useGlob: true
          failOnError: false