name: Package validation

on:
  pull_request:
  push:
    branches: [main]

permissions:
  contents: read

concurrency:
  group: package-validation-${{ github.ref }}
  cancel-in-progress: true

jobs:
  validate:
    runs-on: ubuntu-latest
    timeout-minutes: 30

    steps:
      - name: Check out source
        uses: actions/checkout@v4

      - name: Set up pinned pnpm
        uses: pnpm/action-setup@v4
        with:
          version: 11.13.0
          run_install: false

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 22
          cache: pnpm

      - name: Install locked dependencies
        run: pnpm install --frozen-lockfile

      - name: Build framework-neutral packages
        run: pnpm -r --if-present build

      - name: Typecheck root application
        run: pnpm typecheck

      - name: Run unit tests
        run: pnpm test

      - name: Lint source
        run: pnpm lint

      - name: Build application
        run: pnpm build

      - name: Check whitespace and conflict markers
        run: |
          git diff --check
          if git grep -nE '^(<<<<<<<|=======|>>>>>>>)' -- ':!pnpm-lock.yaml'; then
            echo 'Merge conflict marker found.' >&2
            exit 1
          fi

      - name: Pack public workspace packages
        shell: bash
        run: |
          set -euo pipefail
          pack_dir="$RUNNER_TEMP/packs"
          mkdir -p "$pack_dir"

          for manifest in packages/*/package.json; do
            name="$(node -p "require('./$manifest').name")"
            private="$(node -p "Boolean(require('./$manifest').private)")"
            if [[ "$private" == "true" ]]; then
              continue
            fi
            pnpm --filter "$name" pack --pack-destination "$pack_dir"
          done

          find "$pack_dir" -type f -name '*.tgz' -print -exec tar -tzf {} \;

      - name: Reject model and fixture payloads in npm tarballs
        shell: bash
        run: |
          set -euo pipefail
          pack_dir="$RUNNER_TEMP/packs"
          for archive in "$pack_dir"/*.tgz; do
            size="$(stat --format='%s' "$archive")"
            echo "$(basename "$archive"): $size compressed bytes"
            if (( size > 52428800 )); then
              echo "Package exceeds the 50 MiB compressed safety ceiling: $archive" >&2
              exit 1
            fi
            if tar -tzf "$archive" | grep -E '(^|/)(models|fixtures|benchmarks)(/|$)|\.(onnx|onnx\.data|safetensors|ckpt|npz|f32)$'; then
              echo "Forbidden model or fixture payload found in $archive" >&2
              exit 1
            fi
          done

      - name: Validate packed Vite, Next-client, and native ESM consumers
        run: pnpm test:package-consumer

      - name: Upload package tarballs
        uses: actions/upload-artifact@v4
        with:
          name: npm-tarballs
          path: ${{ runner.temp }}/packs/*.tgz
          if-no-files-found: error
          retention-days: 7