name: Build and Release

on:
  push:
    branches:
      - main

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2

      - name: Install dependencies
        run: sudo apt-get update && sudo apt-get install -y build-essential

      - name: Find all C++ files
        run: |
          find . -name "*.cpp" | sort > files.txt

      - name: Build executables
        run: |
          for file in $(cat files.txt); do
            g++ -o $file-${{ github.ref_name[0:4] }} $file
          done

      - name: Create folder
        run: mkdir -p executables

      - name: Move executables to folder
        run: mv *.${{ github.ref_name[0:4] }} executables/

  release:
    needs: build
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2

      - name: Create release
        uses: actions/create-release@v1
        with:
          tag_name: ${{ github.ref_name[0:4] }}
          release_name: Release ${{ github.ref_name[0:4] }}
          body: |
            This is the release ${{ github.ref_name[0:4] }}.

          draft: false
          prerelease: false

      - name: Upload folder
        uses: actions/upload-artifact@v2
        with:
          name: executables
          path: executables/