#!/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

CONFIG_FILE="/opt/appfactory/config/appfactory.env"

if [ -f "$CONFIG_FILE" ]; then
  source "$CONFIG_FILE"
fi

APPFACTORY_DIR="${APPFACTORY_DIR:-/opt/appfactory}"
WORKSPACE_DIR="${WORKSPACE_DIR:-/home/jiri/workspace}"

APP_SOURCE_DIR="$WORKSPACE_DIR/$APP_ID"
CATALOG_FILE="$APPFACTORY_DIR/apps/catalog.yml"
TOOLS_DIR="$WORKSPACE_DIR/appfactory-tools"

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

if [ ! -f "$APP_SOURCE_DIR/Dockerfile" ]; then
  echo "Missing Dockerfile in: $APP_SOURCE_DIR"
  exit 1
fi

echo "Updating source code..."
cd "$APP_SOURCE_DIR"

if [ -d ".git" ]; then
  git fetch origin main
  git reset --hard origin/main
else
  echo "WARNING: $APP_SOURCE_DIR is not a git repository"
fi

echo "Building Docker image..."
docker build --pull --no-cache -t "$APP_ID:latest" "$APP_SOURCE_DIR"

if [ ! -f "$CATALOG_FILE" ]; then
  echo "apps:" > "$CATALOG_FILE"
fi

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

  - 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_APP
fi

echo "Regenerating compose, Caddyfile and apps page..."

"$TOOLS_DIR/scripts/generate-apps-compose.sh"
"$TOOLS_DIR/scripts/generate-caddyfile.sh"
"$TOOLS_DIR/scripts/generate-apps-page.sh"

echo "Starting app container..."
cd "$APPFACTORY_DIR/deploy"

docker compose -f docker-compose.yml -f apps-compose.yml up -d --force-recreate "$APP_ID"

echo ""
echo "DONE"
echo "Open:"
echo "${APPFACTORY_PUBLIC_URL:-http://192.168.66.130}/apps/$APP_ID/docs"