#!/bin/bash
set -euo pipefail

if [ -z "${1:-}" ]; then
    echo "Usage: ./scripts/new-app.sh <app-name>"
    echo "Example: ./scripts/new-app.sh my-blog"
    exit 1
fi

APP="$1"
REPO_ROOT="$(cd "$(dirname "$0")/.." && pwd)"

if [ -d "$REPO_ROOT/docker/$APP" ]; then
    echo "Error: docker/$APP already exists."
    exit 1
fi

echo "Creating docker/$APP/compose.yml..."
mkdir -p "$REPO_ROOT/docker/$APP"
cat > "$REPO_ROOT/docker/$APP/compose.yml" <<EOF
services:
  app:
    image: git.timothykim.net/timothykim/$APP:latest
    restart: unless-stopped
    networks:
      - shared

networks:
  shared:
    external: true
EOF

echo "Creating scripts/deploy-$APP.sh..."
cat > "$REPO_ROOT/scripts/deploy-$APP.sh" <<EOF
#!/bin/bash
cd /opt && git pull && cd docker/$APP && docker compose pull && docker compose up -d
EOF
chmod +x "$REPO_ROOT/scripts/deploy-$APP.sh"

echo "Adding $APP to deploy-dispatch.sh..."
sed -i "/^    \*)$/i\\    deploy-$APP) /opt/scripts/deploy-$APP.sh ;;" \
    "$REPO_ROOT/scripts/deploy-dispatch.sh"

echo "Creating .gitea/workflows/deploy-$APP.yml..."
mkdir -p "$REPO_ROOT/.gitea/workflows"
cat > "$REPO_ROOT/.gitea/workflows/deploy-$APP.yml" <<'OUTER'
name: Deploy APP_PLACEHOLDER

on:
  push:
    branches: [main]
    paths:
      - 'docker/APP_PLACEHOLDER/**'

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - name: Deploy via SSH
        uses: appleboy/ssh-action@v1
        with:
          host: ${{ secrets.DEPLOY_HOST }}
          username: deploy
          key: ${{ secrets.DEPLOY_KEY }}
          script: deploy-APP_PLACEHOLDER
OUTER
sed -i "s/APP_PLACEHOLDER/$APP/g" "$REPO_ROOT/.gitea/workflows/deploy-$APP.yml"

echo ""
echo "Done! Files created:"
echo "  - docker/$APP/compose.yml"
echo "  - scripts/deploy-$APP.sh"
echo "  - .gitea/workflows/deploy-$APP.yml"
echo "  - Updated scripts/deploy-dispatch.sh"
echo ""
echo "Next steps:"
echo "  1. Edit docker/$APP/compose.yml to fit your app"
echo "  2. Commit and push to deploy"
echo "  3. Configure the proxy host in Nginx Proxy Manager"