# TODO: declare as action so this becomes `uses: blah/espurna-release`?
# ref. https://github.com/mcspr/espurna-nightly-builder/blob/builder/.github/workflows/nightly.yml
# instead of revision + current date, use tag value as full version of the binary

name: Release

on:
  workflow_dispatch:

jobs:
  variables:
    runs-on: ubuntu-latest
    outputs:
      build_date: ${{ steps.result.outputs.build_date }}
      build_tag: ${{ steps.result.outputs.build_tag }}
      last_rev: ${{ steps.result.outputs.last_rev }}
      last_tag: ${{ steps.result.outputs.last_tag }}

    steps:
      - name: Prepare version variables
        id: result
        shell: bash
        run: |
          remote_last_tag() {
            git ls-remote --tags --sort='version:refname' https://github.com/xoseperez/espurna 'github*' |\
              cut -d'/' -f3 |\
              grep -o -E '^github[0-9]{6}$' |\
              sort -r |\
              head -1
          }

          remote_revision() {
            git ls-remote --exit-code --heads https://github.com/xoseperez/espurna.git refs/heads/$1 | cut -d$'\t' -f1
          }

          date=$(date +'%y%m%d')
          echo "build_date=${date}" >> "$GITHUB_OUTPUT"

          tag="github${date}"
          echo "build_tag=${tag}" >> "$GITHUB_OUTPUT"

          dev=$(remote_revision dev)
          echo "last_rev=${dev}" >> "$GITHUB_OUTPUT"

          last=$(remote_last_tag)
          echo "last_tag=${last}" >> "$GITHUB_OUTPUT"

  build:
    needs: variables
    runs-on: ubuntu-latest
    strategy:
      matrix:
        id: [0, 1, 2, 3]
    steps:
      - uses: actions/checkout@v4
        with:
          path: espurna

      - uses: actions/setup-python@v5
        with:
          python-version: '3.x'

      - uses: actions/setup-node@v4
        with:
          node-version: '20'

      - name: Cache Node
        uses: actions/cache@v4
        with:
          path: ~/.npm
          key: ${{ runner.os }}-npm-${{ hashFiles('espurna/code/package-lock.json', 'espurna/code/package.json') }}

      - name: Cache PlatformIO
        uses: actions/cache@v4
        with:
          path: ~/.platformio
          key: ${{ runner.os }}-platformio-${{ hashFiles('espurna/code/platformio.ini') }}

      - name: Install PlatformIO
        run: |
          pip install -U platformio
          pio upgrade --dev

      - name: Build
        run: |
          # pio libs sometimes use raw hash instead of version, avoid useless warnings
          git config --global advice.detachedHead false
          pushd espurna/code

          # rebuild existing webui blobs once more
          npm ci
          node node_modules/gulp/bin/gulp.js

          # github actions allow empty / non-existent output names. check manually
          build_date=${{ needs.variables.outputs.build_date }}
          test -n "$build_date" || exit 2

          # each 'id' in matrix only builds every Nth environment
          ./scripts/generate_release_sh.py \
              --ignore secure-client \
              --destination ${GITHUB_WORKSPACE}/build \
              --builder-id ${{ strategy.job-index }} \
              --builder-total ${{ strategy.job-total }} \
              --suffix github${build_date} \
              > release.sh
          cat release.sh
          bash release.sh

          popd

      - name: Archive
        run: |
          pushd build
          time zip \
            --quiet \
            --recurse-paths \
            ../Build_${{ matrix.id }}.zip ./
          popd

      - uses: actions/upload-artifact@v4
        with:
          name: Build_${{ matrix.id }}
          path: Build_${{ matrix.id }}.zip

  upload:
    needs: [variables, build]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/setup-python@v5
        with:
          python-version: '3.x'

      - uses: actions/download-artifact@v4
        with:
          merge-multiple: true
          path: artifacts/
          pattern: Build_*

      - name: Unpack
        run: |
          ls --recursive artifacts
          unzip -d build "artifacts/*.zip"

      - name: Prepare debug info
        run: |
          time zip \
            -9 \
            --quiet \
            --junk-paths \
            --recurse-patterns \
            Debug.zip \
            'build/debug/*.map' \
            'build/debug/*.elf.debug'

      - name: Fetch and render release template
        run: |
           curl \
             -H "Authorization: Bearer ${{ github.token }}" \
             -H "Accept: application/vnd.github.VERSION.raw" \
             -o release_template.md \
             https://api.github.com/repos/xoseperez/espurna/contents/.github/release_template.md

      - name: Render release template
        run: |
           sed \
             -i \
             -e 's/\$\$BUILD_TAG\$\$/'${{ needs.variables.outputs.build_tag }}'/g' \
             -e 's/\$\$LAST_TAG\$\$/'${{ needs.variables.outputs.last_tag }}'/g' \
             release_template.md

      - uses: ncipollo/release-action@v1
        with:
          tag: ${{ needs.variables.outputs.build_tag }}
          commit: ${{ needs.variables.outputs.last_rev }}
          name: Snapshot build (${{ needs.variables.outputs.build_tag }})
          bodyFile: "release_template.md"
          artifacts: "Debug.zip,build/*.bin"
          token: ${{ secrets.GITHUB_TOKEN }}
          prerelease: false
          draft: true