name: Build Firmware

on:
  pull_request:
    branches:
      - main
    paths:
      - 'ats-mini/**'
      - 'changelog/**'
      - 'CHANGELOG.md'
      - '.github/workflows/build.yml'
      - '.pre-commit-config.yaml'
  push:
    # tags:
    #   - 'v*'
    # branches:
    #   - main
    paths:
      - 'ats-mini/**'
      - 'changelog/**'
      - 'CHANGELOG.md'
      - '.github/workflows/build.yml'
      - '.pre-commit-config.yaml'
  workflow_dispatch:
    inputs:
      revision:
        description: "A tag to release, e.g. v1.00"
        type: string
        required: false

jobs:
  build:
    name: build ${{ matrix.board.profile }}
    runs-on: ubuntu-latest
    permissions: {}
    strategy:
      fail-fast: true
      matrix:
        board:
          - profile: esp32s3-ospi
            # If you change this line, change it in sketch.yaml as well
            fqbn: esp32:esp32:esp32s3:CDCOnBoot=cdc,FlashSize=8M,PSRAM=opi,CPUFreq=80,USBMode=hwcdc,FlashMode=qio,PartitionScheme=custom,DebugLevel=none
            artifact-suffix: ospi
          - profile: esp32s3-qspi
            # If you change this line, change it in sketch.yaml as well
            fqbn: esp32:esp32:esp32s3:CDCOnBoot=cdc,FlashSize=8M,PSRAM=enabled,CPUFreq=80,USBMode=hwcdc,FlashMode=qio,PartitionScheme=custom,DebugLevel=none
            artifact-suffix: qspi

    outputs:
      slug: ${{ steps.slug.outputs.slug }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          fetch-tags: true
          ref: "${{ github.event.inputs.revision || github.ref }}"

      - name: Get version slug
        id: slug
        run: |
          echo "slug=$(git describe --tags --match 'v?.??' --always --dirty || echo v0.00)" >> "$GITHUB_OUTPUT"

      - name: Compile firmware
        uses: arduino/compile-sketches@v1
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          sketch-paths: |
            - ats-mini
          fqbn: ${{ matrix.board.fqbn }}
          cli-compile-flags: |
            - --profile
            - ${{ matrix.board.profile }}
            - --export-binaries
          # Disabled to prevent building artifact for a previous commit
          enable-deltas-report: false
          enable-warnings-report: true

      - name: Save sketches report artifact
        uses: actions/upload-artifact@v4
        with:
          if-no-files-found: error
          path: sketches-reports
          name: sketches-report-${{ matrix.board.artifact-suffix }}

      - name: Install uv and python
        uses: astral-sh/setup-uv@v5
        with:
          pyproject-file: "pyproject.toml"
          enable-cache: true
          cache-dependency-glob: "**/pyproject.toml"

      - name: Compile the unreleased changelog
        run: |
          # shellcheck disable=SC2015
          ls changelog/*.md && uv run towncrier build --keep --version Unreleased || true

      - name: Prepare compiled artifact
        run: |
          mkdir -p artifact/ats-mini-${{ steps.slug.outputs.slug }}-${{ matrix.board.artifact-suffix }}
          mv ats-mini/build/esp32.esp32.esp32s3/*.ino.bin ats-mini/build/esp32.esp32.esp32s3/*.ino.*.bin artifact/ats-mini-${{ steps.slug.outputs.slug }}-${{ matrix.board.artifact-suffix }}/
          cp CHANGELOG.md artifact/ats-mini-${{ steps.slug.outputs.slug }}-${{ matrix.board.artifact-suffix }}/

      - name: Upload compiled artifact
        uses: actions/upload-artifact@v4
        with:
          if-no-files-found: error
          name: ${{ github.event.repository.name }}-${{ steps.slug.outputs.slug }}-${{ matrix.board.artifact-suffix }}
          path: artifact

  release:
    if: ${{ github.event_name == 'workflow_dispatch' || (github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')) }}
    needs: build
    runs-on: ubuntu-latest
    permissions:
      contents: write
    strategy:
      fail-fast: true
    steps:
      - name: Download the build artifacts
        uses: actions/download-artifact@v4
        with:
          pattern: 'ats-mini-*'
          merge-multiple: true
          path: artifact
      - name: Archive the build artifacts
        run: cd "artifact" && find . -mindepth 1 -maxdepth 1 -type d -exec sh -c 'zip -r "../${1%/}.zip" "$1"' _ {} \;
      - name: Create release
        env:
          GITHUB_TOKEN: ${{ github.token }}
          SLUG: ${{ needs.build.outputs.slug }}
        run: >-
          python -c 'import os,re; t=open(f"""artifact/ats-mini-{os.environ["SLUG"]}-ospi/CHANGELOG.md""").read(); r=re.search(f"""(^## {os.environ["SLUG"][1:].replace(".", "\\.")} .*?)(?=^## \\d|\\Z)""", t, re.MULTILINE | re.DOTALL); print(r.group(0) if r else "")' |
          gh release create "$SLUG" --repo '${{ github.repository }}' --notes-file -
      - name: Upload release artifacts
        env:
          GITHUB_TOKEN: ${{ github.token }}
          FILENAMES: ${{ github.event.repository.name }}-${{ needs.build.outputs.slug }}-*.zip
          SLUG: ${{ needs.build.outputs.slug }}
        run: |
          # shellcheck disable=SC2086
          gh release upload "$SLUG" $FILENAMES --repo '${{ github.repository }}' --clobber