name: Validate Registries

on:
  pull_request:
    paths:
      - "apps/v4/registry/directory.json"
  push:
    branches:
      - main
    paths:
      - "apps/v4/registry/directory.json"

jobs:
  validate:
    runs-on: ubuntu-latest
    name: pnpm validate:registries
    permissions:
      contents: read
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Install Node.js
        uses: actions/setup-node@v3
        with:
          node-version: 20

      - name: Block reserved registry namespaces
        env:
          RESERVED_NAMESPACES: "@shadcn,@ui,@blocks,@components,@block,@component,@util,@utils,@registry,@lib,@hook,@hooks,@theme,@themes,@chart,@charts"
        run: |
          node <<'EOF'
          const fs = require("node:fs")

          const file = "apps/v4/registry/directory.json"
          const reservedNamespaces = new Set(
            process.env.RESERVED_NAMESPACES.split(",").filter(Boolean)
          )

          function readNames() {
            return JSON.parse(fs.readFileSync(file, "utf8")).map(
              (entry) => entry.name
            )
          }

          const violations = readNames()
            .filter((name) => reservedNamespaces.has(name))
            .map((name) => `${file}: ${name}`)

          if (violations.length > 0) {
            console.error("Reserved registry namespaces are not allowed:")

            for (const violation of violations) {
              console.error(`- ${violation}`)
            }

            process.exit(1)
          }
          EOF

      - uses: pnpm/action-setup@v4
        name: Install pnpm
        id: pnpm-install
        with:
          version: 10.33.4
          run_install: false

      - name: Get pnpm store directory
        id: pnpm-cache
        run: |
          echo "pnpm_cache_dir=$(pnpm store path)" >> $GITHUB_OUTPUT
      - uses: actions/cache@v3
        name: Setup pnpm cache
        with:
          path: ${{ steps.pnpm-cache.outputs.pnpm_cache_dir }}
          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
          restore-keys: |
            ${{ runner.os }}-pnpm-store-
      - name: Install dependencies
        run: pnpm install

      - name: Validate registries
        run: pnpm --filter=v4 validate:registries