name: Deploy
description: Coordinate deployments per service/environment.
inputs:
  service:
    description: Target service name
    required: true
  platform:
    description: Target platform (e.g., linux/amd64)
    required: true
  environment:
    description: Deployment environment (dev or prod)
    required: true
runs:
  using: composite
  steps:
    - name: Prepare matrix context
      id: matrix
      uses: ./.github/actions/matrix-support
      with:
        service: ${{ inputs.service }}
        platform: ${{ inputs.platform }}
        environment: ${{ inputs.environment }}

    - name: Prepare rollout context
      id: context
      shell: bash
      run: |
        set -euo pipefail
        echo "service=${{ inputs.service }}" >> "$GITHUB_OUTPUT"
        echo "environment=${{ inputs.environment }}" >> "$GITHUB_OUTPUT"
        echo "platform=${{ inputs.platform }}" >> "$GITHUB_OUTPUT"
        echo "release_channel=${{ steps.matrix.outputs.is_prod == 'true' && 'prod' || 'dev' }}" >> "$GITHUB_OUTPUT"

    - name: Deploy placeholder
      shell: bash
      env:
        TARGET_ENV: ${{ steps.context.outputs.environment }}
        TARGET_SERVICE: ${{ steps.context.outputs.service }}
        TARGET_PLATFORM: ${{ steps.context.outputs.platform }}
        RELEASE_CHANNEL: ${{ steps.context.outputs.release_channel }}
      run: |
        echo "Deploying ${TARGET_SERVICE} (${TARGET_PLATFORM}) to ${TARGET_ENV} namespace via ${RELEASE_CHANNEL} rollout"
        echo "Hook in Helm/kubectl/ArgoCD rollouts here"

    - name: Rollback plan
      shell: bash
      run: |
        echo "Rollback can be re-run per matrix entry by dispatching with allow_deploy=true"