name: AVR Build

on:
  push:
    branches:
      - dev
      - main
  pull_request:

jobs:
  build:
    runs-on: linux

    steps:
      - name: Version Checkout
        run:  cat /etc/os-release

      - name: Checkout code
        run: git clone $GITHUB_SERVER_URL/$GITHUB_REPOSITORY .

      - name: Install AVR toolchain
        run: |
          apk update
          apk add gcc-avr avr-libc binutils-avr make cppcheck

      - name: Set build type from branch
        id: vars
        run: |
          BRANCH="${GITHUB_REF_NAME}"

          if [ "$BRANCH" = "dev" ]; then
            echo "BUILD_TYPE=dev" >> $GITHUB_ENV
            echo "PREFIX=DEV_ENO" >> $GITHUB_ENV
          else
            echo "BUILD_TYPE=main" >> $GITHUB_ENV
            echo "PREFIX=ENO" >> $GITHUB_ENV
          fi

          echo "VERSION=${GITHUB_SHA::7}" >> $GITHUB_ENV

      - name: Code check
        run: cppcheck --enable=all --inconclusive src \
          --platform=avr8 \
          --std=c99 \
          -I/usr/lib/avr/15.2.0/include \
          src/

      - name: Build firmware
        run: |
          make BUILD_TYPE=$BUILD_TYPE PREFIX=$PREFIX VERSION=$VERSION


      - name: Publish HEX to binaries repo
        run: |
          git config --global user.name "gitea-runner"
          git config --global user.email "runner@runner.runner"

          # clone binaries repo
          git clone https://gitea.swiss-dedi.ch/Lukas/Flextron-Binaries.git bins

          # decide target folder
          if [ "$BUILD_TYPE" = "dev" ]; then
            TARGET_DIR="bins/dev"
          else
            TARGET_DIR="bins/live"
          fi

          mkdir -p "$TARGET_DIR"

          # copy newest hex
          cp $(find build -name "*.hex" | head -n 1) \
             "$TARGET_DIR/${PREFIX}_${VERSION}.hex"

          cd bins

          git add .
          git commit -m "CI build $BUILD_TYPE $VERSION" || echo "No changes"

          git push