#!/usr/bin/env bash
set -euo pipefail

APP_ID="${1:-}"

if [ -z "$APP_ID" ]; then
  echo "Usage:"
  echo "  ./deploy-app.sh <app-id>"
  exit 1
fi

BASE_DIR="/opt/appfactory"
WORKSPACE_DIR="$HOME/workspace"

APP_SOURCE_DIR="$WORKSPACE_DIR/$APP_ID"

if [ ! -d "$APP_SOURCE_DIR" ]; then
  echo "Missing app source: $APP_SOURCE_DIR"
  exit 1
fi

echo "Building Docker image..."
docker build -t "$APP_ID:latest" "$APP_SOURCE_DIR"

COMPOSE_FILE="$BASE_DIR/deploy/apps-compose.yml"

mkdir -p "$BASE_DIR/deploy/generated"

if [ ! -f "$COMPOSE_FILE" ]; then
  cat > "$COMPOSE_FILE" <<EOF
services:
EOF
fi

if grep -q "container_name: $APP_ID" "$COMPOSE_FILE"; then
  echo "App already registered in compose."
else

cat >> "$COMPOSE_FILE" <<EOF

  $APP_ID:
    image: $APP_ID:latest
    container_name: $APP_ID
    restart: unless-stopped
    environment:
      - APP_NAME=$APP_ID
      - ROOT_PATH=/apps/$APP_ID

    networks:
      - appfactory

EOF

fi

if ! grep -q "apps/$APP_ID" "$BASE_DIR/gateway/Caddyfile"; then

cat >> "$BASE_DIR/gateway/Caddyfile" <<EOF

handle_path /apps/$APP_ID/* {
    reverse_proxy $APP_ID:8000
}

EOF

fi

echo "Restarting stack..."

cd "$BASE_DIR/deploy"

docker compose -f docker-compose.yml -f apps-compose.yml up -d

docker restart appfactory-caddy

CATALOG_FILE="$BASE_DIR/apps/catalog.yml"

if ! grep -q "id: $APP_ID" "$CATALOG_FILE"; then
cat >> "$CATALOG_FILE" <<EOF

  - id: $APP_ID
    name: $APP_ID
    language: python
    version: 1.0.0
    base_path: /apps/$APP_ID
    docs: /apps/$APP_ID/docs
    health: /apps/$APP_ID/health
    status: deployed
EOF
fi

echo ""
echo "DONE"
echo ""
echo "Open:"
echo "http://SERVER_IP/apps/$APP_ID/docs"