name: Build MapleDeploy Coolify Image

on:
  push:
    branches: [mapledeploy]
    paths-ignore:
      - "*.md"
      - ".github/**"

env:
  REGISTRY: forgejo.mapledeploy.ca
  CDN_STORAGE_ZONE: coolify-update
  CDN_PULL_ZONE_ID: "5338895"
  CDN_BASE_URL: https://updates.mapledeploy.ca

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Get version
        id: version
        run: |
          # Reads one version constant out of config/constants.php.
          # The match is anchored at the start of the line, so a nested key on
          # another line (e.g. "'nightly' => ['version' => '5.9.9']") cannot be
          # picked up, and the trailing greedy .* takes the LAST quoted string on
          # the line, so both upstream shapes work:
          #   'version' => '4.2.0',
          #   'version' => env('COOLIFY_VERSION') ?: '4.3.12',
          # Empty or non-version results fail the build instead of tagging the
          # image and versions.json with garbage.
          extract_version() {
            key="$1"
            value=$(sed -n "s/^[[:space:]]*'${key}' => .*'\([^']*\)'.*/\1/p" config/constants.php | head -1)
            if [ -z "$value" ]; then
              echo "ERROR: could not extract '${key}' from config/constants.php" >&2
              grep -n "'${key}' =>" config/constants.php >&2 || true
              exit 1
            fi
            if ! printf '%s' "$value" | grep -Eq '^[0-9]+(\.[0-9]+)+([-.][0-9A-Za-z.]+)?$'; then
              echo "ERROR: extracted ${key} '${value}' does not look like a version." >&2
              echo "       The '${key}' entry in config/constants.php probably changed shape;" >&2
              echo "       see docs/operations/COOLIFY_FORK.md (How version bumping works)." >&2
              exit 1
            fi
            printf '%s' "$value"
          }

          # `exit 1` inside the function only leaves the command substitution's
          # subshell, so each call needs its own `|| exit 1`.
          BASE_VERSION=$(extract_version version) || exit 1
          HELPER_VERSION=$(extract_version helper_version) || exit 1
          REALTIME_VERSION=$(extract_version realtime_version) || exit 1
          TIMESTAMP=$(date -u +%Y%m%d%H%M)
          VERSION="${BASE_VERSION}.${TIMESTAMP}"
          echo "VERSION=${VERSION}" >> "$GITHUB_OUTPUT"
          echo "HELPER_VERSION=${HELPER_VERSION}" >> "$GITHUB_OUTPUT"
          echo "REALTIME_VERSION=${REALTIME_VERSION}" >> "$GITHUB_OUTPUT"
          echo "Building version: ${VERSION} (helper: ${HELPER_VERSION}, realtime: ${REALTIME_VERSION})"

      - name: Login to Forgejo registry
        run: |
          echo "${{ secrets.FORGEJO_TOKEN }}" | docker login ${{ env.REGISTRY }} -u ${{ github.repository_owner }} --password-stdin

      - name: Build image
        run: |
          DOCKER_BUILDKIT=1 docker build -f docker/production/Dockerfile \
            --build-arg MAPLEDEPLOY_VERSION=${{ steps.version.outputs.VERSION }} \
            -t ${{ env.REGISTRY }}/${{ github.repository }}:${{ steps.version.outputs.VERSION }} \
            -t ${{ env.REGISTRY }}/${{ github.repository }}:latest \
            .

      - name: Push image
        run: |
          docker push ${{ env.REGISTRY }}/${{ github.repository }}:${{ steps.version.outputs.VERSION }}
          docker push ${{ env.REGISTRY }}/${{ github.repository }}:latest

      - name: Generate versions.json
        run: |
          cat > versions.json <<EOF
          {
            "coolify": {
              "v4": {
                "version": "${{ steps.version.outputs.VERSION }}"
              },
              "helper": {
                "version": "${{ steps.version.outputs.HELPER_VERSION }}"
              },
              "realtime": {
                "version": "${{ steps.version.outputs.REALTIME_VERSION }}"
              }
            }
          }
          EOF
          echo "Generated versions.json:"
          cat versions.json

      - name: Install curl
        run: apk add --no-cache curl

      - name: Upload artifacts to Bunny CDN
        run: |
          STORAGE_URL="https://storage.bunnycdn.com/${{ env.CDN_STORAGE_ZONE }}/coolify"

          upload() {
            local file="$1"
            local dest="$2"
            echo "Uploading ${file} -> ${dest}"
            curl -fsSL -X PUT "${STORAGE_URL}/${dest}" \
              -H "AccessKey: ${{ secrets.BUNNY_CDN_STORAGE_KEY }}" \
              -H "Content-Type: application/octet-stream" \
              --data-binary @"${file}"
          }

          upload versions.json versions.json
          upload scripts/upgrade.sh upgrade.sh
          upload scripts/upgrade-postgres.sh upgrade-postgres.sh
          upload docker-compose.yml docker-compose.yml
          upload docker-compose.prod.yml docker-compose.prod.yml
          upload .env.production .env.production

          echo "All artifacts uploaded."

      - name: Purge CDN cache
        run: |
          curl -fsSL -X POST "https://api.bunny.net/pullzone/${{ env.CDN_PULL_ZONE_ID }}/purgeCache" \
            -H "AccessKey: ${{ secrets.BUNNY_API_KEY }}" \
            -H "Content-Type: application/json"
          echo "CDN cache purged."