name: Deployment
on:
  push:
    branches:
      - main

jobs:
  deploy-docker:
    runs-on: ubuntu-latest
    steps:
      - name: Validate deployment secrets
        env:
          SSH_PUBLIC_KEY: ${{ secrets.SSH_PUBLIC_KEY }}
          HETZNER_TOKEN: ${{ secrets.HETZNER_TOKEN }}
          S3_BUCKET: ${{ secrets.S3_BUCKET }}
          S3_REGION: ${{ secrets.S3_REGION }}
          S3_ENDPOINT: ${{ secrets.S3_ENDPOINT }}
          S3_ACCESS_KEY: ${{ secrets.S3_ACCESS_KEY }}
          S3_SECRET_KEY: ${{ secrets.S3_SECRET_KEY }}
        run: |
          set -e
          if [ -z "$SSH_PUBLIC_KEY" ]; then
            echo "Missing SSH_PUBLIC_KEY secret"
            exit 1
          fi
          if [ -z "$HETZNER_TOKEN" ]; then
            echo "Missing HETZNER_TOKEN secret"
            exit 1
          fi
          if [ -z "$S3_BUCKET" ]; then
            echo "Missing S3_BUCKET secret"
            exit 1
          fi
          if [ -z "$S3_REGION" ]; then
            echo "Missing S3_REGION secret"
            exit 1
          fi
          if [ -z "$S3_ENDPOINT" ]; then
            echo "Missing S3_ENDPOINT secret"
            exit 1
          fi
          if [ -z "$S3_ACCESS_KEY" ]; then
            echo "Missing S3_ACCESS_KEY secret"
            exit 1
          fi
          if [ -z "$S3_SECRET_KEY" ]; then
            echo "Missing S3_SECRET_KEY secret"
            exit 1
          fi
          python - <<'PY'
          import os
          token = os.environ.get("HETZNER_TOKEN", "")
          print(f"HETZNER_TOKEN length: {len(token)}")
          if len(token) != 64:
              raise SystemExit("HETZNER_TOKEN must be exactly 64 characters")
          PY
      - name: Checkout
        uses: actions/checkout@v4
      - name: Setup Terraform
        uses: hashicorp/setup-terraform@v3
      - name: Deploy with Terraform
        env:
          HETZNER_TOKEN: ${{ secrets.HETZNER_TOKEN }}
          SSH_KEY: ${{ secrets.SSH_PUBLIC_KEY }}
          S3_BUCKET: ${{ secrets.S3_BUCKET }}
          S3_REGION: ${{ secrets.S3_REGION }}
          S3_ENDPOINT: ${{ secrets.S3_ENDPOINT }}
          S3_ACCESS_KEY: ${{ secrets.S3_ACCESS_KEY }}
          S3_SECRET_KEY: ${{ secrets.S3_SECRET_KEY }}
          S3_KEY: ${{ secrets.S3_KEY }}
        run: |
          set -e
          # Kopiere das Template und ersetze die Platzhalter mit sed
          python - <<'PY'
          from pathlib import Path
          import os

          content = Path("terraform.tfvars.example").read_text()
          content = content.replace("__HCLOUD_TOKEN__", os.environ["HETZNER_TOKEN"])
          raw_key = os.environ.get("SSH_KEY", "")
          key_line = next((line for line in raw_key.splitlines() if line.strip()), "")
          content = content.replace("__SSH_KEY__", key_line)
          Path("terraform.tfvars").write_text(content)
          PY

          terraform init -reconfigure \
            -backend-config="bucket=$S3_BUCKET" \
            -backend-config="key=${S3_KEY:-hetzner/terraform.tfstate}" \
            -backend-config="region=$S3_REGION" \
            -backend-config="endpoint=$S3_ENDPOINT" \
            -backend-config="access_key=$S3_ACCESS_KEY" \
            -backend-config="secret_key=$S3_SECRET_KEY" \
            -backend-config="workspace_key_prefix=" \
            -backend-config="skip_credentials_validation=true" \
            -backend-config="skip_region_validation=true" \
            -backend-config="skip_requesting_account_id=true" \
            -backend-config="skip_metadata_api_check=true" \
            -backend-config="force_path_style=true"
          terraform apply -auto-approve

          echo "Deployment successful"