name: Project Scaffolding (Universal Engine)
run-name: Scaffolding [${{ github.event.inputs.project_path }}] - Confirm: ${{ github.event.inputs.confirm_overwrite }}

on:
  workflow_dispatch:
    inputs:
      project_name:
        description: 'Display Name (used for README)'
        required: true
        default: 'My New Project'
      project_path:
        description: 'Relative path in central-boilerplates (e.g., software/python or mods/skyrim)'
        required: true
        default: 'software/python'
      confirm_overwrite:
        description: '⚠️ WARNING: Confirm initialization of this repository'
        required: true
        type: boolean
        default: false
      dry_run:
        description: 'Simulate only (logs actions without moving files)'
        required: true
        type: boolean
        default: true
      remove_workflow:
        description: 'Self-Destruct: Delete this setup script after successful run?'
        required: true
        type: boolean
        default: true

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

      - name: Validate and Fetch
        run: |
          # 1. Variables
          PATH_INPUT="${{ github.event.inputs.project_path }}"
          NAME_INPUT="${{ github.event.inputs.project_name }}"
          DRY="${{ github.event.inputs.dry_run }}"
          
          # Replace with your actual Gitea URL and Username
          CENTRAL_REPO="https://gitea.nathan-falvey.synology.me/Templates/scaffold-storage"
          
          # 2. Safety Gate
          if [ "${{ github.event.inputs.confirm_overwrite }}" != "true" ]; then
            echo "::error::Safety Check Failed: You must check 'confirm_overwrite' to proceed."
            exit 1
          fi

          # 3. Remote Path Verification
          # If PATH_INPUT is empty or set to special values, we'll copy the whole repo.
          if [ -z "$PATH_INPUT" ] || [ "$PATH_INPUT" = "." ] || [ "$PATH_INPUT" = "*" ] || [ "${PATH_INPUT,,}" = "all" ]; then
            echo "Verifying source: $CENTRAL_REPO (entire repo)"
            HTTP_STATUS=$(curl -o /dev/null -s -w "%{http_code}" "$CENTRAL_REPO")
          else
            echo "Verifying source: $CENTRAL_REPO/src/branch/main/$PATH_INPUT"
            HTTP_STATUS=$(curl -o /dev/null -s -w "%{http_code}" "$CENTRAL_REPO/src/branch/main/$PATH_INPUT")
          fi

          if [ "$HTTP_STATUS" -ne 200 ]; then
            echo "::error::BOILERPLATE NOT FOUND!"
            echo "--------------------------------------------------------"
            if [ -z "$PATH_INPUT" ] || [ "$PATH_INPUT" = "." ] || [ "$PATH_INPUT" = "*" ] || [ "${PATH_INPUT,,}" = "all" ]; then
              echo "The central repo '$CENTRAL_REPO' could not be reached."
            else
              echo "The path '$PATH_INPUT' does not exist in the central repo."
            fi
            echo "HTTP Status: $HTTP_STATUS"
            echo "Check your central-boilerplates repo and try again."
            echo "--------------------------------------------------------"
            exit 1
          fi

          # 4. Execution Logic
          if [ "$DRY" == "true" ]; then
            echo "[DRY RUN] Would clone $CENTRAL_REPO"
            echo "[DRY RUN] Would copy files from /$PATH_INPUT to root"
            echo "[DRY RUN] Would update README.md header to: $NAME_INPUT"
          else
            echo "Fetching boilerplate..."
            git clone --depth 1 "$CENTRAL_REPO.git" temp_configs

            # Remove any git metadata from the cloned template
            rm -rf temp_configs/.git

            # Decide whether to copy the whole repo or a specific subpath
            if [ -z "$PATH_INPUT" ] || [ "$PATH_INPUT" = "." ] || [ "$PATH_INPUT" = "*" ] || [ "${PATH_INPUT,,}" = "all" ]; then
              COPY_SRC="temp_configs"
            else
              COPY_SRC="temp_configs/$PATH_INPUT"
            fi

            if [ ! -d "$COPY_SRC" ]; then
              echo "::error::SOURCE NOT FOUND: $COPY_SRC"
              ls -la temp_configs || true
              exit 1
            fi

            # Copy all files including hidden ones from the chosen source
            cp -a "$COPY_SRC"/. .

            # Update README with the provided project name
            echo "# $NAME_INPUT" > README.md

            # Cleanup
            rm -rf temp_configs
          fi

      - name: Self-Destruct
        if: ${{ github.event.inputs.remove_workflow == 'true' && github.event.inputs.dry_run == 'false' }}
        run: |
          echo "Self-destructing: Removing scaffold.yaml..."
          rm .gitea/workflows/scaffold.yaml

      - name: Commit and Push
        if: ${{ github.event.inputs.dry_run == 'false' }}
        run: |
          git config --local user.email "actions@gitea.local"
          git config --local user.name "Gitea Scaffolder"
          git add .
          # Only push if there are actual changes
          git diff --quiet && git diff --staged --quiet || (git commit -m "chore: scaffold project from $PATH_INPUT" && git push origin main)