name: Deploy

on:
  push:
    branches:
      - main

jobs:
  deploy:
    runs-on: ubuntu-latest

    steps:
      - name: Deploy to Oracle VM
        env:
          DEPLOY_HOST: ${{ secrets.DEPLOY_HOST }}
          DEPLOY_PORT: ${{ secrets.DEPLOY_PORT }}
          DEPLOY_USER: ${{ secrets.DEPLOY_USER }}
          DEPLOY_SSH_KEY: ${{ secrets.DEPLOY_SSH_KEY }}
          DEPLOY_PATH: ${{ secrets.DEPLOY_PATH }}
          DEPLOY_REPO: ${{ secrets.DEPLOY_REPO }}
        run: |
          set -eu

          apt-get update -qq
          apt-get install -y -qq --no-install-recommends openssh-client ca-certificates

          DEPLOY_PORT="${DEPLOY_PORT:-22}"
          DEPLOY_PATH="${DEPLOY_PATH:-/home/ubuntu/low-level-guy.com}"
          DEPLOY_REPO="${DEPLOY_REPO:-https://git.low-level-guy.com/josufh/low-level-guy.com.git}"

          mkdir -p ~/.ssh
          chmod 700 ~/.ssh

          printf '%s\n' "$DEPLOY_SSH_KEY" > ~/.ssh/deploy_key
          chmod 600 ~/.ssh/deploy_key

          ssh-keyscan -p "$DEPLOY_PORT" "$DEPLOY_HOST" >> ~/.ssh/known_hosts

          ssh \
            -o BatchMode=yes \
            -o ConnectTimeout=20 \
            -o ServerAliveInterval=15 \
            -o ServerAliveCountMax=2 \
            -i ~/.ssh/deploy_key \
            -p "$DEPLOY_PORT" \
            "$DEPLOY_USER@$DEPLOY_HOST" << EOF
          set -eu

          if [ ! -d "$DEPLOY_PATH/.git" ]; then
            rm -rf "$DEPLOY_PATH"
            mkdir -p "$DEPLOY_PATH"
            git clone "$DEPLOY_REPO" "$DEPLOY_PATH"
          fi

          cd "$DEPLOY_PATH"
          git fetch origin main
          git reset --hard origin/main

          docker build --quiet -t lowlevelguycom:latest .

          docker stop low-level-guy-com || true
          docker rm low-level-guy-com || true

          docker run -d \
            --name low-level-guy-com \
            --restart unless-stopped \
            -p 5000:5000 \
            lowlevelguycom:latest

          docker ps --filter name=low-level-guy-com --format '{{.Names}} {{.Status}} {{.Ports}}'
          EOF