name: Destroy

on:
  workflow_dispatch:
    inputs:
      confirm:
        description: 'Type "destroy" to confirm'
        required: true
        default: ''

env:
  TF_VERSION: "1.7.0"
  TF_VAR_hcloud_token: ${{ secrets.HCLOUD_TOKEN }}
  TF_VAR_s3_access_key: ${{ secrets.S3_ACCESS_KEY }}
  TF_VAR_s3_secret_key: ${{ secrets.S3_SECRET_KEY }}
  TF_VAR_s3_endpoint: ${{ secrets.S3_ENDPOINT }}
  TF_VAR_s3_bucket: ${{ secrets.S3_BUCKET }}

jobs:
  destroy:
    name: Destroy Cluster
    runs-on: ubuntu-latest
    if: github.event.inputs.confirm == 'destroy'
    environment: destroy
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Terraform
        uses: hashicorp/setup-terraform@v3
        with:
          terraform_version: ${{ env.TF_VERSION }}

      - name: Terraform Init
        working-directory: terraform
        run: |
          terraform init \
            -backend-config="endpoint=${{ secrets.S3_ENDPOINT }}" \
            -backend-config="bucket=${{ secrets.S3_BUCKET }}" \
            -backend-config="region=auto" \
            -backend-config="access_key=${{ secrets.S3_ACCESS_KEY }}" \
            -backend-config="secret_key=${{ secrets.S3_SECRET_KEY }}" \
            -backend-config="skip_requesting_account_id=true"

      - name: Setup SSH Keys
        run: |
          mkdir -p ~/.ssh
          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/id_ed25519
          chmod 600 ~/.ssh/id_ed25519
          echo "${{ secrets.SSH_PUBLIC_KEY }}" > ~/.ssh/id_ed25519.pub
          chmod 644 ~/.ssh/id_ed25519.pub

      - name: Terraform Destroy
        working-directory: terraform
        run: |
          terraform destroy \
            -var="hcloud_token=${{ secrets.HCLOUD_TOKEN }}" \
            -var="ssh_public_key=$HOME/.ssh/id_ed25519.pub" \
            -var="ssh_private_key=$HOME/.ssh/id_ed25519" \
            -auto-approve