name: build-run

# Controls when the action will run.
on:
  # Triggers the workflow on push or pull request events for specific branches
  push:
    branches: [main, dev, dev-angular-19]
  pull_request:
    branches: [main, dev, dev-angular-19]

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  # This workflow contains a single job called "build"
  build:
    # The type of runner that the job will run on
    name: Run Lint, Build and Deploy
    runs-on: ubuntu-latest

    # Steps represent a sequence of tasks that will be executed as part of the job
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Use Node.js 22
        uses: actions/setup-node@v3
        with:
          # no support for lts as of now with github actions.
          # issue link : https://github.com/actions/setup-node/issues/26
          # lts/gallium node v19.7.0 (npm v9.5.0)
          node-version: '22.12.0'

      - name: Remove node_modules
        run: rm -rf node_modules

      - name: Run CI
        run: npm ci

      - name: Fallback – Clean install with regenerated lockfile
        if: failure()
        run: |
          echo "npm ci failed — regenerating lockfile and retrying"
          rm -rf node_modules package-lock.json
          npm install

      - name: Run eslint
        run: npx eslint .

      - name: Run stylelint
        run: npx stylelint "src/**/*.scss"

      - name: Run prettier
        run: npx prettier . --check

      - name: Run HTMLHint
        run: npx htmlhint "src" --config .htmlhintrc

      - name: Check file headers
        run: |
          echo "Checking for MPL-2.0 license headers in changed files..."

          # Get list of changed files (comparing with base branch)
          if [ "${{ github.event_name }}" == "pull_request" ]; then
            BASE_SHA="${{ github.event.pull_request.base.sha }}"
          else
            BASE_SHA="${{ github.event.before }}"
          fi

          # Get changed files
          CHANGED_FILES=$(git diff --name-only --diff-filter=ACMRT $BASE_SHA HEAD | grep -E '\.(ts|js|html|css|scss)$' | grep -v -E '\.(spec\.ts|spec\.js|d\.ts)$' | grep -v -E '(environment\.ts|environment\.prod\.ts|polyfills\.ts|node_modules)' || true)

          if [ -z "$CHANGED_FILES" ]; then
            echo "✅ No relevant files changed"
            exit 0
          fi

          echo "📋 Checking $(echo "$CHANGED_FILES" | wc -l) changed file(s)..."
          echo "$CHANGED_FILES"

          # Run header check on changed files
          echo "$CHANGED_FILES" | xargs node scripts/check-file-headers.js

      - name: Run production build
        run: npm run build:prod

      - name: Deploy to github pages
        if: ${{ github.event_name == 'push' }}
        uses: JamesIves/github-pages-deploy-action@v4
        with:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          BRANCH: gh-pages
          FOLDER: dist/web-app/browser
          #without preserve it only builds if you have untracked files
          PRESERVE: true
          # github user name and email shows up in the logs,
          # so it would be better to make it silent.
          SILENT: true