apiVersion: tekton.dev/v1
kind: Task
metadata:
  name: nx-nodejs-version
spec:
  params:
    - name: subdirectory
      type: string
      description: Subdirectory within the repo where the source code is located
      default: ""
    - name: ref
      type: string
      description: Full Git ref string (e.g., refs/tags/v0.2.0)
    - name: node-version
      type: string
      description: Node.js version to use
      default: "18"
  workspaces:
    - name: source
      description: Git-cloned source code
  results:
    - name: version
      description: Extracted project version (e.g. 0.2.0)
  steps:
    - name: verify-tag-version
      image: node:$(params.node-version)
      workingDir: /workspace/source
      script: |
        #!/usr/bin/env bash
        set -e

        if [ -n "$(params.subdirectory)" ]; then
          cd $(params.subdirectory)
        fi

        echo "🔍 Extracting tag from Git ref..."
        FULL_REF="$(params.ref)"
        TAG_FROM_REF=$(basename "$FULL_REF")  # → v0.2.0

        echo "📄 Reading version from package.json..."
        VERSION=$(node -p "require('./package.json').version")
        TAG_FROM_PROJECT="${VERSION}"

        echo "🔁 Comparing Git tag and project version:"
        echo "   - Git ref tag:      $TAG_FROM_REF"
        echo "   - Project version:  $TAG_FROM_PROJECT"

        if [ "$TAG_FROM_REF" != "$TAG_FROM_PROJECT" ]; then
          echo "❌ Mismatch! Git tag and project version are not the same."
          exit 1
        fi

        echo "✅ Tag and version match: $VERSION"
        echo -n "$VERSION" > /tekton/results/version