name: "Maintenance: Check board assets"

on:
  pull_request_target:
    paths:
      - "config/boards/**"

env:
  WEBSITE_REPO: "armbian/armbian.github.io"
  WEBSITE_REF: "main"

  BOARDS_PATH: "config/boards"
  BOARD_IMAGES_DIR: "board-images"
  VENDOR_LOGOS_DIR: "board-vendor-logos"

permissions:
  contents: read

jobs:
  Check:
    name: "Verify assets for newly added boards"
    runs-on: ubuntu-24.04
    permissions:
      contents: read
      pull-requests: write
      issues: write

    steps:
      - name: "Checkout build repo (PR head)"
        uses: actions/checkout@v6
        with:
          ref: ${{ github.event.pull_request.head.sha }}
          fetch-depth: 0

      - name: "Checkout armbian.github.io (images repo)"
        uses: actions/checkout@v6
        with:
          repository: ${{ env.WEBSITE_REPO }}
          ref: ${{ env.WEBSITE_REF }}
          path: website
          fetch-depth: 1

      - name: "Find newly added board configs in PR"
        id: added
        shell: bash
        run: |
          set -euo pipefail

          BASE_SHA="${{ github.event.pull_request.base.sha }}"
          HEAD_SHA="${{ github.event.pull_request.head.sha }}"

          git diff --name-status "${BASE_SHA}" "${HEAD_SHA}" -- "${BOARDS_PATH}" \
            | awk '$1=="A"{print $2}' \
            | grep -E '\.(conf|csc|wip|tvb)$' \
            > added-files.txt || true

          echo "New board config files:"
          cat added-files.txt || true

          if [[ ! -s added-files.txt ]]; then
            echo "No new board configs detected."
            echo "none=true" >> "$GITHUB_OUTPUT"
          else
            echo "none=false" >> "$GITHUB_OUTPUT"
          fi

      - name: "Validate board image + vendor logo exist on website repo"
        id: validate
        if: ${{ steps.added.outputs.none != 'true' }}
        shell: bash
        run: |
          set -euo pipefail

          missing_any=0
          comment_file="$(mktemp)"

          {
            echo "This PR adds new board configuration(s). Required assets must already exist in [github/${WEBSITE_REPO}](https://github.com/${WEBSITE_REPO})."
            echo "They are required by [Armbian Imager](https://github.com/armbian/imager) to ensure all boards are displayed with proper images."
            echo ""
            echo "- Board images: \`${BOARD_IMAGES_DIR}/<board>.png\` (1920x1080 px transparent)"
            echo "- Vendor logos: \`${VENDOR_LOGOS_DIR}/<vendor>-logo.png\` (512x512 px transparent)"
            echo ""
            echo "### Missing items"
            echo ""
          } > "$comment_file"

          while IFS= read -r cfg; do
            [[ -z "${cfg}" ]] && continue

            file="$(basename "$cfg")"
            board="${file%.*}"

            vendor="$(
              grep -E '^[[:space:]]*(export[[:space:]]+|declare[[:space:]]+-g[[:space:]]+)?BOARD_VENDOR[[:space:]]*=' -m1 -- "$cfg" 2>/dev/null \
              | sed -E 's/^[[:space:]]*(export[[:space:]]+|declare[[:space:]]+-g[[:space:]]+)?BOARD_VENDOR[[:space:]]*=[[:space:]]*//; s/^"//; s/"$//' \
              | tr '[:upper:]' '[:lower:]' \
              | tr '_' '-' \
              | awk 'NF{print; exit}' \
              || true
            )"

            board_img_match="$(find "website/${BOARD_IMAGES_DIR}" -maxdepth 1 -type f -iname "${board}.png" | head -n1 || true)"

            if [[ -z "${board_img_match}" ]]; then
              {
                echo "- ❌ **Board image missing** for \`${board}\`"
                echo "  - Expected: \`${BOARD_IMAGES_DIR}/${board}.png\`"
                echo "  - Fix: add the file to **${WEBSITE_REPO}** (folder \`${BOARD_IMAGES_DIR}/\`)"
                echo ""
              } >> "$comment_file"
              missing_any=1
            fi

            if [[ -z "${vendor}" ]]; then
              {
                echo "- ❌ **BOARD_VENDOR not found** in \`${cfg}\`"
                echo "  - Fix: add e.g. \`BOARD_VENDOR=\"radxa\"\` (lowercase recommended)"
                echo ""
              } >> "$comment_file"
              missing_any=1
              continue
            fi

            found_logo="$(find "website/${VENDOR_LOGOS_DIR}" -maxdepth 1 -type f \
              \( -iname "${vendor}-logo.png" -o -iname "${vendor}-logo.jpg" -o -iname "${vendor}-logo.jpeg" -o -iname "${vendor}-logo.svg" \) \
              | head -n1 || true)"

            if [[ -z "${found_logo}" ]]; then
              {
                echo "- ❌ **Vendor logo missing** for vendor \`${vendor}\` (used by board \`${board}\`)"
                echo "  - Expected: \`${VENDOR_LOGOS_DIR}/${vendor}-logo.png\`"
                echo "  - Fix: add the file to **${WEBSITE_REPO}** (folder \`${VENDOR_LOGOS_DIR}/\`)"
                echo "  - Naming rules: lowercase, dashes (e.g. \`kobol-logo.png\`, not \`Kobol_logo.png\`)"
                echo ""
              } >> "$comment_file"
              missing_any=1
            fi
          done < added-files.txt

          if [[ "${missing_any}" -ne 0 ]]; then
            echo "missing=true" >> "$GITHUB_OUTPUT"
            echo 'comment<<EOF' >> "$GITHUB_OUTPUT"
            cat "$comment_file" >> "$GITHUB_OUTPUT"
            echo 'EOF' >> "$GITHUB_OUTPUT"
            echo "::warning ::Missing required assets (see PR comment)."
          else
            echo "missing=false" >> "$GITHUB_OUTPUT"
          fi

      - name: "Comment on PR with missing asset instructions"
        if: always() && github.event_name == 'pull_request_target' && steps.validate.outputs.missing == 'true'
        uses: actions/github-script@v8
        env:
          COMMENT_BODY: ${{ steps.validate.outputs.comment }}
          WEBSITE_REPO: ${{ env.WEBSITE_REPO }}
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const body =
            `### 🚫 Missing required board assets

            ${process.env.COMMENT_BODY}

            Once the missing files are added (or a PR is opened in **${process.env.WEBSITE_REPO}**), re-run this check.
            `;
            await github.rest.issues.createComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
              body
            });