build.yml

name: Compile ESPHome Binary

on:
  push:
    branches:
      - main
      - dev
    paths:
      - 'examples/full.yaml'
      - 'components/**'
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Check for required secrets
        run: |
          if [ -z "${{ secrets.API_ENCRYPTION_KEY }}" ]; then
            echo "Error: API_ENCRYPTION_KEY secret is not set" >&2
            exit 1
          fi
          if [ -z "${{ secrets.OTA_PASSWORD }}" ]; then
            echo "Error: OTA_PASSWORD secret is not set" >&2
            exit 1
          fi
          if [ -z "${{ secrets.WIFI_SSID }}" ]; then
            echo "Error: WIFI_SSID secret is not set" >&2
            exit 1
          fi
          if [ -z "${{ secrets.WIFI_PASSWORD }}" ]; then
            echo "Error: WIFI_PASSWORD secret is not set" >&2
            exit 1
          fi
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.x'

      - name: Set environment variables 
        run: | 
          echo "API_ENCRYPTION_KEY=${{ secrets.API_ENCRYPTION_KEY }}" >> $GITHUB_ENV
          echo "OTA_PASSWORD=${{ secrets.OTA_PASSWORD }}" >> $GITHUB_ENV
          echo "WIFI_SSID=${{ secrets.WIFI_SSID }}" >> $GITHUB_ENV
          echo "WIFI_PASSWORD=${{ secrets.WIFI_PASSWORD }}" >> $GITHUB_ENV
          
      - name: Install ESPHome and cels
        run: |
          python3 -m pip install esphome

          # install latest version of cels by using wget, otherwise version 0.1.0 would be installed, which is buggy
          wget https://files.pythonhosted.org/packages/18/82/14819c1cc67c67e909abdbd9824eb756adccd47a1dee1c846f7300716646/cels-0.3.1.tar.gz
          python3 -m pip install cels-0.3.1.tar.gz

      - name: Prepare full.yaml
        run: |
          cp examples/full.yaml .
          cp .github/workflows/resources/secrets.yaml .

          cp .github/workflows/src/extract_external_components_block.py .
          cp .github/workflows/src/patch_full_yaml.sh .

          if [ "${{ github.ref }}" == "refs/heads/dev" ]; then 
            echo "dev branch run, take external components from dev branch"            
            source patch_full_yaml.sh
          else 
            echo "not dev branch run, take external components from main" 
          fi

          # print path used for external components
          echo "The following external components will be used for compilation: "
          python extract_external_components_block.py

      - name: Compile ESPHome binary
        run: |
          # compile eshphome
          esphome compile full.yaml

          # rename file
          mv .esphome/build/rotex/.pioenvs/rotex/firmware.factory.bin .esphome/build/rotex/.pioenvs/rotex/rotex.factory-gpios-tx05-rx06.bin  

      - name: Archive compiled binary
        uses: actions/upload-artifact@v4
        with:
          name: compiled-binary
          path: .esphome/build/rotex/.pioenvs/rotex/rotex.factory-gpios-tx05-rx06.bin