name: Export Godot project
description: Download and cache Godot 4, install export templates, and export a named preset without Docker.

inputs:
  godot-version:
    description: Exact Godot 4 release tag without a leading v (for example, 4.6.1-stable).
    required: true
  host-os:
    description: "Runner operating system: linux, macos, or windows."
    required: true
  host-arch:
    description: Runner architecture. Supported values depend on host-os.
    required: true
  dotnet:
    description: Download the Godot .NET editor and export templates.
    required: false
    default: "false"
  project-path:
    description: Godot project directory, relative to the checked-out workspace.
    required: false
    default: .
  export-preset:
    description: Exact export preset name from export_presets.cfg.
    required: true
  export-mode:
    description: "Export mode: release or debug."
    required: false
    default: release
  export-file-name:
    description: Output filename only, including its platform-appropriate extension.
    required: true
  cache:
    description: Restore and save the downloaded Godot editor and export templates.
    required: false
    default: "true"

outputs:
  build-directory:
    description: Absolute directory containing this invocation's exported build.
    value: ${{ steps.export-linux.outputs.build-directory || steps.export-macos.outputs.build-directory || steps.export-windows.outputs.build-directory }}

runs:
  using: composite
  steps:
    - name: Restore Godot cache
      if: ${{ inputs.cache == 'true' }}
      uses: actions/cache@v4.1.0
      with:
        path: "${{ runner.temp }}/godot-export-action/cache"
        key: "godot-export-action-v1-${{ inputs.godot-version }}-${{ inputs.dotnet }}-${{ inputs.host-os }}-${{ inputs.host-arch }}"

    - name: Export Godot project on Linux
      id: export-linux
      if: ${{ runner.os == 'Linux' }}
      shell: bash
      env:
        GODOT_VERSION: "${{ inputs.godot-version }}"
        GODOT_HOST_OS: "${{ inputs.host-os }}"
        GODOT_HOST_ARCH: "${{ inputs.host-arch }}"
        GODOT_DOTNET: "${{ inputs.dotnet }}"
        GODOT_PROJECT_PATH: "${{ inputs.project-path }}"
        GODOT_EXPORT_PRESET: "${{ inputs.export-preset }}"
        GODOT_EXPORT_MODE: "${{ inputs.export-mode }}"
        GODOT_EXPORT_FILE_NAME: "${{ inputs.export-file-name }}"
        GODOT_ACTION_ROOT: "${{ runner.temp }}/godot-export-action"
      run: bash "$GITHUB_ACTION_PATH/export-linux.sh"

    - name: Export Godot project on macOS
      id: export-macos
      if: ${{ runner.os == 'macOS' }}
      shell: bash
      env:
        GODOT_VERSION: "${{ inputs.godot-version }}"
        GODOT_HOST_OS: "${{ inputs.host-os }}"
        GODOT_HOST_ARCH: "${{ inputs.host-arch }}"
        GODOT_DOTNET: "${{ inputs.dotnet }}"
        GODOT_PROJECT_PATH: "${{ inputs.project-path }}"
        GODOT_EXPORT_PRESET: "${{ inputs.export-preset }}"
        GODOT_EXPORT_MODE: "${{ inputs.export-mode }}"
        GODOT_EXPORT_FILE_NAME: "${{ inputs.export-file-name }}"
        GODOT_ACTION_ROOT: "${{ runner.temp }}/godot-export-action"
      run: bash "$GITHUB_ACTION_PATH/export-macos.sh"

    - name: Export Godot project on Windows
      id: export-windows
      if: ${{ runner.os == 'Windows' }}
      shell: powershell
      env:
        GODOT_VERSION: "${{ inputs.godot-version }}"
        GODOT_HOST_OS: "${{ inputs.host-os }}"
        GODOT_HOST_ARCH: "${{ inputs.host-arch }}"
        GODOT_DOTNET: "${{ inputs.dotnet }}"
        GODOT_PROJECT_PATH: "${{ inputs.project-path }}"
        GODOT_EXPORT_PRESET: "${{ inputs.export-preset }}"
        GODOT_EXPORT_MODE: "${{ inputs.export-mode }}"
        GODOT_EXPORT_FILE_NAME: "${{ inputs.export-file-name }}"
        GODOT_ACTION_ROOT: "${{ runner.temp }}/godot-export-action"
      run: "& \"$env:GITHUB_ACTION_PATH\\export-windows.ps1\""