name: Publish Helm Chart

on:
  push:
    branches:
      - main
    paths:
      - 'chart/**'
  workflow_dispatch:

permissions:
  contents: write
  packages: write

jobs:
  publish:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up Helm
        uses: azure/setup-helm@v4

      - name: Bump patch version
        id: bump
        run: |
          CURRENT=$(grep '^version:' chart/Chart.yaml | awk '{print $2}')
          MAJOR=$(echo $CURRENT | cut -d. -f1)
          MINOR=$(echo $CURRENT | cut -d. -f2)
          PATCH=$(echo $CURRENT | cut -d. -f3)
          NEW_VERSION="${MAJOR}.${MINOR}.$((PATCH + 1))"
          sed -i "s/^version: .*/version: ${NEW_VERSION}/" chart/Chart.yaml
          echo "version=${NEW_VERSION}" >> $GITHUB_OUTPUT

      - name: Commit version bump
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add chart/Chart.yaml
          git commit -m "chore: bump chart version to ${{ steps.bump.outputs.version }} [skip ci]"
          git push

      - name: Log in to GHCR
        run: |
          helm registry login ghcr.io \
            --username ${{ github.actor }} \
            --password ${{ secrets.GITHUB_TOKEN }}

      - name: Package chart
        run: helm package chart/

      - name: Push chart to GHCR
        run: |
          helm push devcontainer-${{ steps.bump.outputs.version }}.tgz oci://ghcr.io/cpfarhood/charts