ci-build.yml

on:
  push:
    branches:
      - master
      - develop
      - feature/multi-board-ci
  pull_request:
    branches:
      - master
      - develop
    types: [opened, reopened, synchronize]
  workflow_call: # When another workflow invokes this one.
    outputs:
      matrix:
        description: "Strategy matrix"
        value: ${{ jobs.get-targets.outputs.matrix }}
  workflow_dispatch: # Manually invoked by user.

name: ci-build

env:
  NODE_VERSION: 16
  PYTHON_VERSION: 3.11
  SHOCKLINK_API_DOMAIN: api.shocklink.net
  SHOCKLINK_FW_VERSION: master-${{ github.sha }}

jobs:

  # Read platformio.ini and extract all specific targets. See the referenced file for more info.
  get-targets:
    uses: ./.github/workflows/targets.yml

  build-captive-portal:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
        with:
          sparse-checkout: |
            WebUI
          path: .

      - uses: actions/setup-node@v3
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: 'npm'
          cache-dependency-path: ./WebUI/package-lock.json

      - name: Install dependencies
        working-directory: ./WebUI
        run: npm ci

      - name: Build
        working-directory: ./WebUI
        run: npm run build

      - name: Upload artifacts
        uses: actions/upload-artifact@v3
        with:
          name: captive-portal
          path: WebUI/build/*
          retention-days: 1
          if-no-files-found: error

  build-filesystem:
    runs-on: ubuntu-latest
    needs: build-captive-portal
    
    steps:
      - uses: actions/checkout@v4

      - uses: actions/cache@v3
        with:
          path: |
            ~/.platformio/platforms
            ~/.platformio/packages
            ~/.platformio/cache
          key: ${{ runner.os }}-arch

      - uses: actions/setup-python@v4
        with:
          python-version: ${{ env.PYTHON_VERSION }}
          cache: "pip"
      
      - name: Install dependencies
        run: pip install -r requirements.txt
      
      - name: Download built captive portal
        uses: actions/download-artifact@v3
        with:
          name: captive-portal
          path: WebUI/build/

      - name: Build filesystem
        run: pio run --target buildfs -e fs
      
      - name: Upload internal filesystem artifact
        uses: actions/upload-artifact@v3
        with:
          name: filesystem
          path: .pio/build/fs/littlefs.bin
          retention-days: 1
          if-no-files-found: error

  build-firmware:
    runs-on: ubuntu-latest
    needs: get-targets
    strategy:
      fail-fast: false
      matrix: ${{ fromJSON(needs.get-targets.outputs.matrix )}}

    steps:
      - uses: actions/checkout@v4

      - uses: actions/cache@v3
        with:
          path: |
            ~/.platformio/platforms
            ~/.platformio/packages
            ~/.platformio/cache
          key: ${{ runner.os }}-arch

      - uses: actions/setup-python@v4
        with:
          python-version: ${{ env.PYTHON_VERSION }}
          cache: "pip"

      - name: Install dependencies
        run: pip install -r requirements.txt

      - name: Build firmware
        run: pio run -e ${{ matrix.board }}

      - name: Upload internal firmware binaries
        uses: actions/upload-artifact@v3
        with:
          name: firmware_${{ matrix.board }}
          path: .pio/build/${{ matrix.board }}/*.bin
          retention-days: 1
          if-no-files-found: error

  merge-images:
    runs-on: ubuntu-latest
    needs: [get-targets, build-filesystem, build-firmware]
    strategy:
      fail-fast: false
      matrix: ${{ fromJSON(needs.get-targets.outputs.matrix )}}

    steps:
      - uses: actions/checkout@v4
        with:
          sparse-checkout: |
            requirements.txt
          path: .

      - uses: actions/setup-python@v4
        with:
          python-version: ${{ env.PYTHON_VERSION }}
          cache: "pip"
      
      - name: Install dependencies
        run: pip install esptool

      - name: Download filesystem image
        uses: actions/download-artifact@v3
        with:
          name: filesystem
          path: .
      
      - name: Download firmware images
        uses: actions/download-artifact@v3
        with:
          name: firmware_${{ matrix.board }}
          path: .

      - name: Merge flash image
        working-directory: .
        run: |
          python -m esptool \
            --chip esp32 \
            merge_bin \
            -o OpenShock.${{ matrix.board }}.bin \
            --flash_mode dio \
            --flash_freq 40m \
            --flash_size 4MB \
            0x1000 ./bootloader.bin \
            0x8000 ./partitions.bin \
            0x10000 ./firmware.bin \
            0x310000 ./littlefs.bin

      - name: Upload merged flashable image
        uses: actions/upload-artifact@v3
        with:
          name: OpenShock_${{ matrix.board }}
          path: OpenShock.${{ matrix.board }}.bin
          retention-days: 1
          if-no-files-found: error