name: process_subways
on:
  workflow_dispatch: # Manual trigger

env:
  PLANET: /home/planet/planet/planet.o5m
  TMPDIR: /tmp
  HTML_DIR: "/mnt/4tbexternal/osm-planet/subway/validator"
  DUMP: "$HTML_DIR"
  SKIP_PLANET_UPDATE: "1"
  DEBIAN_FRONTEND: nonnteractive
  TZ: Etc/UTC

# /var/www/html/subways is mapped as a volume on cdn-fi-1
# as is /tmp/planet
jobs:
  clone-repos:
    name: Clone Git Repos
    runs-on: mapfilemaker
    container:
      image: codeberg.org/comaps/maps_generator:f6d53d54f794
      volumes:
        - /mnt/4tbexternal:/mnt/4tbexternal
    concurrency:
      group: ${{ github.workflow }}-process-subways-${{ github.event.pull_request.number || github.ref }}
      cancel-in-progress: true
    steps:
      - uses: actions/cache@v4
        with:
          path: "~"
          key: cache-${{ github.run_id }}-${{ github.run_attempt }}
      - name: Checkout subways repo
        shell: bash
        run: |
          cd ~
          git clone --depth 1 --single-branch https://codeberg.org/comaps/subways.git

  update-planet-o5m:
    name: Update O5M Planet
    runs-on: mapfilemaker
    container:
      image: codeberg.org/comaps/maps_generator:f6d53d54f794
      volumes:
        - /mnt/4tbexternal/:/mnt/4tbexternal/
        - /mnt/4tbexternal/osm-planet:/home/planet
    concurrency:
      group: ${{ github.workflow }}-process-subways-${{ github.event.pull_request.number || github.ref }}
      cancel-in-progress: true
    steps:
      - name: Check for O5M Planet File
        shell: bash
        run: |
          if [ ! -f /home/planet/planet/planet.o5m ]; then
          echo "WARN: No file at /home/planet/planet/planet.o5m"

          if [ ! -f /home/planet/planet/planet-latest.osm.pbf ]; then
          echo "ERROR: No file at /home/planet/planet/planet-latest.osm.pbf"
          ls -al /home/planet/
          ls -al /home/planet/planet/
          exit 1
          fi

          echo "Converting planet-latest.osm.pbf to planet.o5m"
          cd /home/planet/planet/
          osmconvert -v --drop-author --drop-version --hash-memory=4000 planet-latest.osm.pbf -o=planet.o5m
          echo "Conversion is done."
          fi
      - name: Update O5M planet
        run: |
          echo "Starting..."
          cd /home/planet/planet/
          rm -f planet-new.o5m
          osmupdate -v --drop-author --drop-version --hash-memory=4000  --max-merge=32 --out-o5m planet.o5m planet-new.o5m
          mv planet-new.o5m planet.o5m
          echo "Done."
      - name: Notify Zulip
        run: |
          curl -X POST https://comaps.zulipchat.com/api/v1/messages \
            -u $ZULIP_BOT_EMAIL:$ZULIP_API_KEY \
            --data-urlencode type=stream \
            --data-urlencode 'to="DevOps"' \
            --data-urlencode topic=codeberg-bot \
            --data-urlencode 'content=O5M planet update is done!'

  update-subways:
    if: inputs.run-subways
    name: Update Subways
    runs-on: mapfilemaker
    needs:
      - clone-repos
    container:
      image: codeberg.org/comaps/maps_generator:f6d53d54f794
      volumes:
        - /mnt/4tbexternal/:/mnt/4tbexternal/
        - /mnt/4tbexternal/osm-planet:/home/planet
    concurrency:
      group: ${{ github.workflow }}-map-generator-${{ github.event.pull_request.number || github.ref }}
      cancel-in-progress: true
    steps:
      - uses: actions/cache@v4
        with:
          path: "~"
          key: cache-${{ github.run_id }}-${{ github.run_attempt }}
      - name: Update Subways
        shell: bash
        run: |
          cd ~/comaps/
          cp tools/unix/maps/settings.sh.prod tools/unix/maps/settings.sh
          ./tools/unix/maps/generate_subways.sh
      - name: Compare with VK validation
        shell: bash
        run: |
          cd ~/subways
          if [ -f "$HTML_DIR/index.html" ]; then
            echo "Comparing local validation with VK's validation..."
            python3 ./scripts/compare_html_validation.py "$HTML_DIR/index.html" \
              --vk-url "https://maps.vk.com/osm/tools/subways/latest/index.html"
          else
            echo "Local index.html not found at $HTML_DIR/index.html"
            exit 1
          fi
      - name: Notify Zulip
        run: |
          curl -X POST https://comaps.zulipchat.com/api/v1/messages \
            -u $ZULIP_BOT_EMAIL:$ZULIP_API_KEY \
            --data-urlencode type=stream \
            --data-urlencode 'to="DevOps"' \
            --data-urlencode topic=codeberg-bot \
            --data-urlencode 'content=Subways are done!'