name: Publish Next

on:
  push:
    branches: [main]
    paths:
      - "src/**"
      - "tools/cli/**"
      - "package.json"

concurrency:
  group: publish-next
  cancel-in-progress: true

permissions:
  id-token: write
  contents: read

jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Node
        uses: actions/setup-node@v4
        with:
          node-version-file: ".nvmrc"
          cache: "npm"
          registry-url: "https://registry.npmjs.org"

      - name: Install dependencies
        run: npm ci

      - name: Run tests
        run: npm test

      - name: Derive next prerelease version
        run: |
          NEXT_VER=$(npm view bmad-method@next version 2>/dev/null || echo "")
          LATEST_VER=$(npm view bmad-method@latest version 2>/dev/null || echo "")

          # Determine the best base version for the next prerelease
          BASE=$(node -e "
            const semver = require('semver');
            const next = process.argv[1] || null;
            const latest = process.argv[2] || null;
            if (!next && !latest) process.exit(0);
            if (!next) { console.log(latest); process.exit(0); }
            if (!latest) { console.log(next); process.exit(0); }
            // If latest is newer than next's base, use latest (next prerelease will be based on it)
            const nextBase = next.replace(/-next\.\d+$/, '');
            console.log(semver.gt(latest, nextBase) ? latest : next);
          " "$NEXT_VER" "$LATEST_VER")

          if [ -n "$BASE" ]; then
            npm version "$BASE" --no-git-tag-version --allow-same-version
          fi
          npm version prerelease --preid=next --no-git-tag-version

      - name: Publish to npm
        run: npm publish --tag next --provenance
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}