main.yml

name: Build binary

on:
  push:
    tags:
      - '**'        # but DO run on any tag (including tags on main)
  pull_request:
  workflow_dispatch:

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

permissions:
  contents: write
  pull-requests: write   # release builds open a PR adding the binaries to binaries/

env:
  ARDUINO_BOARD_MANAGER_ADDITIONAL_URLS: "http://arduino.esp8266.com/stable/package_esp8266com_index.json https://espressif.github.io/arduino-esp32/package_esp32_dev_index.json"

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v7

      - name: Set version env var
        run: echo "GIT_SHORT_SHA=$(git rev-parse --short HEAD)" >> $GITHUB_ENV
        shell: bash

      - name: Set build type env var
        run: |
          if [[ "${{ github.ref }}" == refs/tags/* ]]; then
            echo "BUILD_TYPE=Release" >> $GITHUB_ENV
            echo "VERSION=${{ github.ref_name }}" >> $GITHUB_ENV
          elif [ "${{ github.event_name }}" = "schedule" ] || [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            echo "BUILD_TYPE=Nightly" >> $GITHUB_ENV
            echo "VERSION=Nightly-${{ env.GIT_SHORT_SHA }}" >> $GITHUB_ENV
          else
            echo "BUILD_TYPE=Alpha" >> $GITHUB_ENV
            echo "VERSION=Alpha-${{ env.GIT_SHORT_SHA }}" >> $GITHUB_ENV
          fi
        shell: bash

      - name: Update version.h
        if: github.ref != 'refs/heads/main' || github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' || startsWith(github.ref, 'refs/tags/')
        run: |
          cd HeishaMon && sed -i 's/#define HEISHAMON_VERSION .*/#define HEISHAMON_VERSION "${{ env.VERSION }}"/' version.h && cat version.h
        shell: bash

      - name: Setup Arduino CLI
        uses: arduino/setup-arduino-cli@v2

      - name: Install platform
        run: |
          arduino-cli core update-index
          arduino-cli core install esp8266:esp8266
          arduino-cli core install esp32:esp32@3.3.11

      - name: Install dependencies
        run: arduino-cli lib install ringbuffer pubsubclient arduinojson dallastemperature onewire "Adafruit NeoPixel"

      - name: Compile Sketch for ESP8266
        run: cd HeishaMon && arduino-cli compile --output-dir . --fqbn=esp8266:esp8266:d1_mini:xtal=160,vt=flash,ssl=basic,mmu=3216,non32xfer=fast,eesz=4M2M,ip=lm2f,dbg=Disabled,lvl=None____,wipe=none,baud=921600 --warnings=none --verbose HeishaMon.ino

      - name: Add MD5 checksum to ESP8266 binary
        run: |
          cd HeishaMon
          MD5=`md5sum HeishaMon.ino.bin | cut -d\  -f1`
          mv HeishaMon.ino.bin HeishaMon_ESP8266-${{ env.BUILD_TYPE }}-$MD5.bin
          echo "MD5_ESP8266=$MD5" >> $GITHUB_ENV
        shell: bash

      - name: Compile Sketch for ESP32
        run: cd HeishaMon && arduino-cli compile --output-dir . --fqbn=esp32:esp32:esp32s3:CDCOnBoot=cdc,PSRAM=enabled,PartitionScheme=min_spiffs --warnings=none --verbose HeishaMon.ino

      - name: Add MD5 checksum to ESP32 binary
        run: |
          cd HeishaMon
          MD5=`md5sum HeishaMon.ino.bin | cut -d\  -f1`
          mv HeishaMon.ino.bin HeishaMon_ESP32-${{ env.BUILD_TYPE }}-$MD5.bin
          echo "MD5_ESP32=$MD5" >> $GITHUB_ENV
        shell: bash

      - name: Upload artifacts
        uses: actions/upload-artifact@v7
        with:
          name: Heishamon-firmware-${{ env.BUILD_TYPE }}-${{ env.GIT_SHORT_SHA }}
          path: |
            HeishaMon/HeishaMon_*.bin
            HeishaMon/HeishaMon.ino.map

      - name: Delete old nightly assets
        if: github.event_name == 'schedule' || (github.event_name == 'workflow_dispatch' && github.ref == 'refs/heads/main')
        run: |
          gh release view nightly --json assets --jq '.assets[].name' | \
          xargs -I{} gh release delete-asset nightly {} --yes || true
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        shell: bash

      - name: Publish nightly release
        if: github.event_name == 'schedule' || (github.event_name == 'workflow_dispatch' && github.ref == 'refs/heads/main')
        uses: softprops/action-gh-release@v3
        with:
          tag_name: nightly
          name: "Nightly build (${{ env.GIT_SHORT_SHA }})"
          body: |
            Automated nightly build from `main` branch.
            Commit: ${{ github.sha }}
            Built: ${{ github.run_id }}
          prerelease: true
          files: HeishaMon/HeishaMon_*.bin

      - name: Publish release
        if: startsWith(github.ref, 'refs/tags/')
        uses: softprops/action-gh-release@v3
        with:
          name: "Release ${{ github.ref_name }}"
          body: |
            Release ${{ github.ref_name }}
            Commit: ${{ github.sha }}
          prerelease: true
          files: HeishaMon/HeishaMon_*.bin

      - name: Open PR adding release binaries to binaries/
        if: startsWith(github.ref, 'refs/tags/v')
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          TAG: ${{ github.ref_name }}
        run: |
          BRANCH="release-binaries-$TAG"
          # Work on a clean checkout of main, the tag checkout has a modified version.h
          git fetch --depth=1 origin +refs/heads/main:refs/remotes/origin/main
          git worktree add -b "$BRANCH" ../release-binaries origin/main
          cp "HeishaMon/HeishaMon_ESP32-Release-$MD5_ESP32.bin" "../release-binaries/binaries/model-type-large/HeishaMon.ino.esp32-$TAG.bin"
          echo -n "$MD5_ESP32" > "../release-binaries/binaries/model-type-large/HeishaMon.ino.esp32-$TAG.md5"
          cp "HeishaMon/HeishaMon_ESP8266-Release-$MD5_ESP8266.bin" "../release-binaries/binaries/model-type-small/HeishaMon.ino.d1-$TAG.bin"
          echo -n "$MD5_ESP8266" > "../release-binaries/binaries/model-type-small/HeishaMon.ino.d1-$TAG.md5"
          cd ../release-binaries
          sed -i "s/^The latest production release is .*\./The latest production release is $TAG./" binaries/README.md
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add binaries/
          git commit -m "release $TAG binaries"
          git push origin "$BRANCH"
          gh pr create --base main --head "$BRANCH" \
            --title "Release $TAG binaries" \
            --body "Adds the $TAG firmware built by release run ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }} to binaries/ and updates binaries/README.md."
        shell: bash