name: Build

on:
  workflow_dispatch:
  push:
    paths-ignore: ["assets/**", "tools/**", "**/*.md", "LICENSE"]
  pull_request:
    paths-ignore: ["assets/**", "tools/**", "**/*.md", "LICENSE"]

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

jobs:
  prepare:
    name: Prepare matrix
    runs-on: ubuntu-latest
    outputs:
      envs: ${{ steps.envs.outputs.envs }}

    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Python
        uses: actions/setup-python@v6
        with:
          python-version: "3.x"

      - name: Install PlatformIO Core
        run: |
          python -m pip install --upgrade pip
          pip install --upgrade platformio
          pip install --upgrade intelhex

      - id: envs
        shell: bash
        run: |
          ENVS=$(
            pio project config --json-output \
              | jq -c '
                  .[]
                  | select(type == "array")
                  | .[0]
                  | select(startswith("env:"))
                  | sub("^env:"; "")
                ' | jq -s -c '.'
          )

          echo "envs=$ENVS" >> "$GITHUB_OUTPUT"
          echo "$ENVS"

  build:
    name: Build ${{ matrix.env }}
    runs-on: ubuntu-latest
    needs: prepare

    strategy:
      fail-fast: false
      matrix:
        env: ${{ fromJson(needs.prepare.outputs.envs) }}

    steps:
      - name: Checkout
        uses: actions/checkout@v6

      - name: Python
        uses: actions/setup-python@v6
        with:
          python-version: "3.x"

      - name: Install Node.js
        uses: actions/setup-node@v5
        with:
          node-version: "22"

      - name: Install PlatformIO Core
        run: |
          python -m pip install --upgrade pip
          pip install --upgrade platformio
          pip install --upgrade intelhex

      - name: Full clean
        run: |
          pio run -e ${{ matrix.env }} -t fullclean

      - name: Build firmware & filesystem
        env:
          PIOENV: ${{ matrix.env }}
        run: |
          pio run -e ${{ matrix.env }}

      - name: Upload artifacts
        uses: actions/upload-artifact@v7
        with:
          name: ${{ matrix.env }}
          if-no-files-found: error
          path: |
            build/*.bin
            build/*.elf