name: Update examples collection

on:
  workflow_dispatch:
  push:
    paths:
      - '.github/workflows/update_examples.yml'
      - 'examples/**'
      - 'tools/rexm/**'
  pull_request:
    paths:
      - '.github/workflows/update_examples.yml'
      - 'examples/**'
      - 'tools/rexm/**'

jobs:
  build:
    runs-on: ubuntu-latest
    
    steps:
    - name: Checkout
      uses: actions/checkout@v4
  
    - name: Setup emsdk
      uses: mymindstorm/setup-emsdk@v14
      with:
        version: 'latest'
        actions-cache-folder: 'emsdk-cache'

    - name: Clone raylib.com repo
      run: |
        git clone https://x-access-token:${{ secrets.RAYLIB_DOT_COM_REPO_TOKEN }}@github.com/$GITHUB_REPOSITORY_OWNER/raylib.com.git
      shell: bash

    - name: Build and run rexm tool (GNU Makefile)
      # rexm should update all required files in raylib and even raylib.com repo,
      # but not sure if it can do that from an Action, maybe it requires manual copy 
      run: |
        sudo apt-get update && sudo apt-get install -y libopengl0 libglu1-mesa libx11-dev libxrandr-dev libxcursor-dev libxi-dev libxinerama-dev libgl1-mesa-dev libglu1-mesa-dev
        cd "${{ github.workspace }}/src"
        make
        sudo make install
        make clean
        make PLATFORM=PLATFORM_WEB
        cd ../tools/rexm/
        make
        export REXM_EXAMPLES_BASE_PATH="${{ github.workspace }}/examples"
        export REXM_EXAMPLES_WEB_PATH="${{ github.workspace }}/raylib.com/examples"
        export REXM_EXAMPLES_TEMPLATE_FILE_PATH="${{ github.workspace }}/examples/examples_template.c"
        export REXM_EXAMPLES_TEMPLATE_SCREENSHOT_PATH="${{ github.workspace }}/examples/examples_template.png"
        export REXM_EXAMPLES_COLLECTION_FILE_PATH="${{ github.workspace }}/examples/examples_list.txt"
        export REXM_EXAMPLES_VS2022_SLN_FILE="${{ github.workspace }}/projects/VS2022/raylib.sln"
        export EMSDK_PATH="${{ github.workspace }}/emsdk-cache/emsdk-main"
        ./rexm update
      shell: bash

    - name: Commit changes to raylib repo
      if: github.event_name == 'push' && false
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: |
        git config --global user.name "github-actions[bot]"
        git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
        git add -A
        git commit -m "Update examples collection" || echo "git exited with code 1, nothing changed"
        git push
      shell: bash

    - name: Push changes to raylib.com repo
      if: github.event_name == 'push' && false
      run: |
        cd raylib.com
        git add -A
        git commit -m "Update web examples" || echo "git exited with code 1, nothing changed"
        git push origin
      shell: bash