name: Minify Lua Code

on:
  push:
    branches:
      - main
    paths:
      - 'src/**'
  pull_request:
    branches:
      - main
    paths:
      - 'src/**'

jobs:
  minify:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout repository
      uses: actions/checkout@v2

    - name: Set up Node.js
      uses: actions/setup-node@v2
      with:
        node-version: '14'

    - name: Install Lua minifier
      run: npm install -g luamin

    - name: Combine Lua files
      run: |
        echo "Creating release directory"
        mkdir -p release
        echo "Creating project.lua file"
        echo "local project = {}" > release/project.lua
        for file in $(find src -name '*.lua'); do
          echo "Adding $file to project.lua"
          cat $file >> release/project.lua
        done

    - name: Minify combined Lua file
      run: |
        echo "Minifying project.lua"
        luamin -f release/project.lua -o release/project.min.lua

    - name: Commit minified file
      run: |
        git config --global user.name 'github-actions[bot]'
        git config --global user.email 'github-actions[bot]@users.noreply.github.com'
        git add release/project.min.lua
        git commit -m 'Minify Lua files into a single project.min.lua'
        git push
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}