name: Cleanup Preview
description: Stop container and remove Pangolin resource for a deleted branch

inputs:
  app-name:
    required: true
    description: Application name (used for image/container naming)
  branch:
    required: true
    description: Branch name being cleaned up

runs:
  using: composite
  steps:
    - name: Derive cleanup parameters
      id: derive
      shell: bash
      env:
        BRANCH: ${{ inputs.branch }}
      run: |
        BRANCH="${BRANCH#refs/heads/}"
        SLUG=$(echo "$BRANCH" | tr '/_' '--' | tr '[:upper:]' '[:lower:]' | sed 's/[^a-z0-9-]//g' | cut -c1-40)
        REPO_SLUG="${GITHUB_REPOSITORY//\//-}"
        {
          echo "slug=$SLUG"
          echo "resource-name=${REPO_SLUG}-${SLUG}"
        } >> "$GITHUB_OUTPUT"

    - name: Remove Pangolin resource
      shell: bash
      run: |
        bash ${{ github.action_path }}/pangolin-delete.sh \
          --resource-name "${{ steps.derive.outputs.resource-name }}"

    - name: Stop preview container
      shell: bash
      run: |
        CONTAINER="${{ inputs.app-name }}-${{ steps.derive.outputs.slug }}"
        docker stop "$CONTAINER" 2>/dev/null || true
        docker rm   "$CONTAINER" 2>/dev/null || true
        docker rmi  "${{ inputs.app-name }}:${{ steps.derive.outputs.slug }}" 2>/dev/null || true