name: Build Firmware

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

jobs:
  build:
    runs-on: ubuntu-latest
    permissions: {}
    strategy:
      fail-fast: true
    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: esp32:esp32:esp32s3
          platforms: |
            - name: esp32:esp32
          libraries: |
            - name: "PU2CLR SI4735"
            - name: TFT_eSPI
          cli-compile-flags: |
            - --export-binaries
            - --board-options
            - CDCOnBoot=cdc
            - --board-options
            - FlashSize=8M
            - --board-options
            - PSRAM=disabled
            - --board-options
            - CPUFreq=80
            - --board-options
            - USBMode=hwcdc
            - --board-options
            - FlashMode=qio
            - --board-options
            - PartitionScheme=default_8MB
            - --board-options
            - DebugLevel=none
            - --warnings
            - none
          enable-deltas-report: true
          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

      - name: Prepare compiled artifact
        run: |
          mkdir -p artifact/ats-mini
          mv ats-mini/build/esp32.esp32.esp32s3/*.ino.bin ats-mini/build/esp32.esp32.esp32s3/*.ino.*.bin artifact/ats-mini/
          cp CHANGELOG.md artifact/ats-mini/

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

  release:
    if: ${{ github.ref == 'refs/heads/main' && (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 artifact
        uses: actions/download-artifact@v4
        with:
          name: ${{ github.event.repository.name }}-${{ needs.build.outputs.slug }}
          path: artifact
      - name: Archive the build artifact
        run: cd "artifact" && zip -9 -r "../${FILENAME}" *
        env:
          FILENAME: ${{ github.event.repository.name }}-${{ needs.build.outputs.slug }}.zip
      - name: Create release
        env:
          GITHUB_TOKEN: ${{ github.token }}
          SLUG: ${{ needs.build.outputs.slug }}
        run: >-
          cat artifact/ats-mini/CHANGELOG.md |
          python -c 'import os,re,sys; t=sys.stdin.read(); r=re.search(f"""(^## {os.environ["SLUG"][1:].replace(".", "\\.")} .*?)(?=^## \\d|\\Z)""", t, re.MULTILINE | re.DOTALL); print(r.group(0) if r else "")' |
          gh release create "$SLUG" --repo '${{ github.repository }}' --notes-file -
      - name: Upload release artifact
        env:
          GITHUB_TOKEN: ${{ github.token }}
          FILENAME: ${{ github.event.repository.name }}-${{ needs.build.outputs.slug }}.zip
          SLUG: ${{ needs.build.outputs.slug }}
        run: |
          gh release upload "$SLUG" "$FILENAME" --repo '${{ github.repository }}' --clobber