name: pull-request-validation

on:
  pull_request:
    branches:
      - main
      - feature/pr-action

jobs:
  build_lint_validate_diff:
    name: lint, validate and diff from main
    permissions: write-all
    runs-on: ubuntu-latest
    container:
      image: alpine/helm:3.18.6
    steps:
      - name: checkout pr head
        uses: actions/checkout@v5
        with:
          fetch-depth: 0

      - name: install chart dependencies
        run: helm dependency build charts/readur

      - name: lint helm chart
        run: helm lint charts/readur --set persistence.uploads.existingClaim=uploads-test-pvc --set persistence.watch.existingClaim=watch-test-pvc --set persistence.data.existingClaim=data-test-pvc --set externalDatabase.enabled=true --set postgresql.enabled=false

      - name: prepare
        run: mkdir -p charts/readur/build
      - name: create full manifest from pr head
        run: helm template readur charts/readur --set persistence.uploads.existingClaim=uploads-test-pvc --set persistence.watch.existingClaim=watch-test-pvc --set persistence.data.existingClaim=data-test-pvc --set externalDatabase.enabled=true --set postgresql.enabled=false > charts/readur/build/manifest.yaml

      - name: checkout main
        uses: actions/checkout@v5
        with:
          fetch-depth: 0
          ref: main
          path: main

      - name: install chart dependencies
        run: helm dependency build main/charts/readur

      - name: prepare
        run: mkdir -p main/charts/readur/build
      - name: create full manifest from main
        run: helm template readur main/charts/readur --set persistence.uploads.existingClaim=uploads-test-pvc --set persistence.watch.existingClaim=watch-test-pvc --set persistence.data.existingClaim=data-test-pvc --set externalDatabase.enabled=true --set postgresql.enabled=false > main/charts/readur/build/manifest.yaml

      - name: create diff comment
        uses: int128/diff-action@v1
        with:
          base: main/charts/readur/build
          head: charts/readur/build
          comment-header: "## Changes in Final Manifest"