name: Build and publish CMBA rulebooks (Gitea)

on:
  push:
    tags:
      - "v*"

jobs:
  build-release:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Install dependencies
        run: |
          sudo apt-get update
          
          # texlive-latex-recommended \
          # texlive-fonts-recommended \
          # texlive-latex-extra \
            
          sudo apt-get install -y pandoc \
            jq \
            curl
      - name: Build pandoc after-body include (inline quote.js)
        shell: bash
        run: |
          mkdir -p build
          {
          echo '<script>'
          cat src/quote.js
          echo '</script>'
          echo '<style>'
          echo '</style>'
          } > build/after-body.html 

      - name: Build artifacts
        run: |
          set -euo pipefail
          mkdir -p dist

          for doc in cmba-bylaws; do
            # Mobile-friendly HTML with TOC + serif styling
            pandoc "src/${doc}.md" \
              --toc \
              --standalone \
              --number-sections  \
              --toc-depth=2 \
              --lua-filter src/shift-numbering.lua \
              --metadata-file src/metadata.yml \
              --embed-resources \
              --metadata title="CMBA ${doc}" \
              --include-after-body=build/after-body.html \
              --css src/style.css \
              -o "dist/${doc}.html"

            # PDF
            # pandoc "src/${doc}.md" \
            #  --metadata title="CMBA ${doc}" \
            #  -o "dist/${doc}.pdf"
          done

          # Include source markdown for transparency
          cp src/${doc}.md dist/

      - name: Create or update Gitea Release and upload assets
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
          GITEA_BASE_URL: ${{ secrets.GITEA_BASE_URL }}
          # Gitea provides these variables in Actions:
          REPO: ${{ gitea.repository }}     # "owner/repo"
          TAG: ${{ gitea.ref_name }}        # e.g. "v2026.0"
        run: |
          set -euo pipefail

          OWNER="$(echo "$REPO" | cut -d/ -f1)"
          NAME="$(echo "$REPO" | cut -d/ -f2)"
          API="${GITHUB_API_URL}"
          AUTH="Authorization: token ${GITEA_TOKEN}"

          echo "Repo: $OWNER/$NAME"
          echo "Tag:  $TAG"
          echo "API: $API"

          # Check if release exists for this tag
          existing_release_json="$(curl -sS -H "$AUTH" \
            "$API/repos/$OWNER/$NAME/releases/tags/$TAG" || true)"

          if echo "$existing_release_json" | jq -e '.id' >/dev/null 2>&1; then
            RELEASE_ID="$(echo "$existing_release_json" | jq -r '.id')"
            echo "Release exists (id=$RELEASE_ID)."
          else
            echo "Creating release for tag $TAG..."
            create_json="$(curl -sS -X POST -H "$AUTH" -H "Content-Type: application/json" \
              "$API/repos/$OWNER/$NAME/releases" \
              -d "$(jq -n --arg tag "$TAG" --arg name "$TAG" \
                    '{tag_name:$tag, name:$name, draft:false, prerelease:false, body:"CMBA rulebooks release."}')")"
            RELEASE_ID="$(echo "$create_json" | jq -r '.id')"
            echo "Created release (id=$RELEASE_ID)."
          fi

          # Upload each file as an asset. If an asset already exists with same name, delete then re-upload.
          assets_json="$(curl -sS -H "$AUTH" "$API/repos/$OWNER/$NAME/releases/$RELEASE_ID/assets" || echo '[]')"

          for f in dist/*; do
            filename="$(basename "$f")"
            existing_asset_id="$(echo "$assets_json" | jq -r --arg n "$filename" '.[] | select(.name==$n) | .id' | head -n1 || true)"

            if [ -n "${existing_asset_id:-}" ] && [ "$existing_asset_id" != "null" ]; then
              echo "Deleting existing asset: $filename (id=$existing_asset_id)"
              curl -sS -X DELETE -H "$AUTH" \
                "$API/repos/$OWNER/$NAME/releases/$RELEASE_ID/assets/$existing_asset_id" >/dev/null
            fi
            echo "Uploading $filename" 
            curl -sS --fail -X POST -H "$AUTH" -H "Accept: application/json" -F "attachment=@$f" "$API/repos/$OWNER/$NAME/releases/$RELEASE_ID/assets?name=$filename" >/dev/null
          done

          echo "Done. Release page: ${GITEA_BASE_URL}/${OWNER}/${NAME}/releases/tag/${TAG}"