name: WebGL to gh-page

on:
  workflow_dispatch:
  # push:
  #   branches:
  #     - workflow-webgl-wip

env:
  UNITY_PROJECT_PATH: .

defaults:
  run:
    shell: bash

permissions:
  contents: read
  pages: write
  id-token: write

jobs:
  build:
    runs-on: [self-hosted, Windows, X64, Unity]
    timeout-minutes: 60
    steps:
    - id: checkout
      uses: actions/checkout@v4
      with:
        submodules: recursive
        lfs: true

    - name: Detect Unity Version
      id: detect-unity-version
      run: |
        PROJECT_VERSION_PATH="${{ env.UNITY_PROJECT_PATH }}/ProjectSettings/ProjectVersion.txt"
        UNITY_HUB="C:\Program Files\Unity Hub\Unity Hub.exe"

        UNITY_VERSION=`cat ${PROJECT_VERSION_PATH} | sed -n -E "s/^m_EditorVersion:\s+//p" | head -n 1`
        UNITY_CHANGESET=`cat ${PROJECT_VERSION_PATH} | sed -n -E "s/^m_EditorVersionWithRevision:\s+\S+\s+\((\S+)\)/\1/p" | head -n 1`
        UNITY_EDITOR_EXECUTABLE=`"${UNITY_HUB}" -- --headless editors --installed | \
          sed -n -E "s/^${UNITY_VERSION} , installed at //p" | \
          head -n 1`

        if [ -z "${UNITY_EDITOR_EXECUTABLE}" ]; then
          echo "Unity ${UNITY_VERSION} is not installed."
          exit 1

          # コマンドラインからのインストールは Unity 3.7.0 時点では UAC 必須で難しい
          UNITY_INSTALL_COMMAND="\"${UNITY_HUB}\" -- --headless install \
            --version ${UNITY_VERSION} \
            --changeset ${UNITY_CHANGESET} \
            --module windows-il2cpp \
            --childModules"
        fi

        echo "${UNITY_EDITOR_EXECUTABLE} is installed."
        echo "unity-editor-executable=${UNITY_EDITOR_EXECUTABLE}" >> "${GITHUB_OUTPUT}"

    # URP
    - name: Build VRM10Viewer
      id: build-webgl-VRM10Viewer
      run: |
        # build to Build/VRM10Viewer
        "${{ steps.detect-unity-version.outputs.unity-editor-executable }}" \
          -batchmode -quit \
          -silent-crashes \
          -projectPath "${{ env.UNITY_PROJECT_PATH }}" \
          -executeMethod "UniVRM10.DevOnly.BuildClass.BuildWebGL_VRM10Viewer" \
          -logFile webgl-VRM10Viewer.log
        echo "Success to WebGL VRM10Viewer."

    # はじめに built-in RenderPipeline にして一度終わる。然るのちに
    - name: Build SimpleViewer
      id: build-webgl-SimpleViewer
      run: |
        "${{ steps.detect-unity-version.outputs.unity-editor-executable }}" \
          -batchmode -quit \
          -silent-crashes \
          -projectPath "${{ env.UNITY_PROJECT_PATH }}" \
          -executeMethod "VRM.DevOnly.BuildClass.SwitchBuiltinPipeline"
        echo "Success to Switch built-in RenderPipeline."

        # build to Build/SimpleViewer
        "${{ steps.detect-unity-version.outputs.unity-editor-executable }}" \
          -batchmode -quit \
          -silent-crashes \
          -projectPath "${{ env.UNITY_PROJECT_PATH }}" \
          -executeMethod "VRM.DevOnly.BuildClass.BuildWebGL_SimpleViewer" \
          -logFile webgl-SimpleViewer.log
        echo "Success to WebGL SimpleViewer."

        # make index
        cat << __HTML__ > Build/index.html
        <h2>$GITHUB_SHA</h2>
        <ul>
          <li>URP<a href="./VRM10Viewer/">VRM10Viewer</a></li>
          <li>Built-in<a href="./SimpleViewer/">SimpleViewer</a></li>
        </ul>
        __HTML__

    - name: Upload artifact
      uses: actions/upload-pages-artifact@v3
      with:
        path: Build

  # Deployment job
  deploy:
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    needs: build
    runs-on: ubuntu-latest
    name: Deploy
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4