name: Deploy Image to Kubernetes
run-name: ${{ gitea.actor }} deploys to k8s

on:
  workflow_call:
    inputs:
      tag:
        description: Image tag to deploy (e.g. v1.2.3)
        type: string
        required: true
      deployment:
        description: Kubernetes Deployment name
        type: string
        default: oumta-app
      container:
        description: Container name in the Deployment to update
        type: string
        default: app
      namespace:
        description: Kubernetes namespace
        type: choice
        default: oumta-dev
        options:
          - oumta-dev
          - oumta-beta
          - oumta-app
      registry:
        description: Container registry hostname (defaults to secret REGISTRY)
        type: string
        default: ""
      image_name:
        description: Full image name including registry (defaults to REGISTRY/repo)
        type: string
        default: ""
    secrets:
      KUBECONFIG:
        description: Kubeconfig content
        required: true
      REGISTRY:
        description: Container registry hostname
        required: false

jobs:
  deploy:
    runs-on: ubuntu-latest
    env:
      REGISTRY: ${{ inputs.registry != '' && inputs.registry || secrets.REGISTRY }}
      IMAGE_NAME: ${{ inputs.image_name }}
      REPO: ${{ gitea.repository }}
    steps:
      - name: Install kubectl
        uses: azure/setup-kubectl@v4

      - name: Resolve image name
        run: |
          if [ -z "${IMAGE_NAME}" ]; then
            IMAGE_NAME="${REGISTRY}/${REPO}"
          fi
          echo "IMAGE_NAME=${IMAGE_NAME}" >> "$GITHUB_ENV"

      - name: Configure kubeconfig
        env:
          KUBECONFIG_CONTENT: ${{ secrets.KUBECONFIG }}
        run: |
          mkdir -p ~/.kube
          printf '%s' "$KUBECONFIG_CONTENT" > ~/.kube/config
          chmod 600 ~/.kube/config

      - name: Update deployment image
        run: |
          IMAGE="${IMAGE_NAME}:${{ inputs.tag }}"
          kubectl set image deployment/${{ inputs.deployment }} \
            ${{ inputs.container }}=${IMAGE} \
            --namespace ${{ inputs.namespace }}
          kubectl rollout status deployment/${{ inputs.deployment }} \
            --namespace ${{ inputs.namespace }}