name: CI/CD - Build, Push & Deploy

on:
  push:
    branches: [main]
    paths:
      - "src/**"
      - "Dockerfile"
      - "package.json"
      - "package-lock.json"
      - ".github/workflows/ci-cd.yaml"

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository_owner }}/health-app

permissions:
  contents: read
  packages: write

jobs:
  build-and-push:
    name: Build & Push Docker Image
    runs-on: ubuntu-latest
    outputs:
      short_sha: ${{ steps.sha.outputs.short }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Get short SHA
        id: sha
        run: echo "short=$(echo ${{ github.sha }} | cut -c1-7)" >> "$GITHUB_OUTPUT"

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          tags: |
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.sha.outputs.short }}
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest
          cache-from: type=gha
          cache-to: type=gha,mode=max

  update-manifest:
    name: Update GitOps Manifest
    needs: build-and-push
    runs-on: ubuntu-latest

    steps:
      - name: Checkout gitops-infra repo
        uses: actions/checkout@v4
        with:
          repository: infinicaretech/gitops-infra
          token: ${{ secrets.GITOPS_PAT }}

      - name: Update image tag in kustomization
        run: |
          cd environments/health-app/overlays/production
          sed -i "s/newTag: .*/newTag: ${{ needs.build-and-push.outputs.short_sha }}/" kustomization.yaml
          echo "Updated image tag to: ${{ needs.build-and-push.outputs.short_sha }}"
          cat kustomization.yaml

      - name: Commit and push
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add environments/health-app/overlays/production/kustomization.yaml
          git diff --cached --quiet && echo "No changes to commit" && exit 0
          git commit -m "chore(health-app): update image to ${{ needs.build-and-push.outputs.short_sha }}"
          git push