#!/bin/bash
# Script to ensure data directory exists and start the application

# Define paths
APP_DIR="$(dirname "$(dirname "$(readlink -f "$0")")")"
DATA_DIR="$APP_DIR/data"

echo "Starting Transmission RSS Manager..."
echo "Application directory: $APP_DIR"
echo "Data directory: $DATA_DIR"

# Ensure the data directory exists
if [ ! -d "$DATA_DIR" ]; then
  echo "Creating data directory: $DATA_DIR"
  mkdir -p "$DATA_DIR"
  if [ $? -ne 0 ]; then
    echo "Failed to create data directory. Trying alternative method..."
    # Try alternative method if standard mkdir fails
    cd "$APP_DIR" && mkdir -p data
    if [ $? -ne 0 ]; then
      echo "ERROR: Both methods to create data directory failed. Please check permissions."
      exit 1
    fi
  fi
fi

# Set permissions
chmod -R 755 "$DATA_DIR"

# Check for RSS files
if [ ! -f "$DATA_DIR/rss-feeds.json" ]; then
  echo "Creating initial empty rss-feeds.json file"
  echo "[]" > "$DATA_DIR/rss-feeds.json"
fi

if [ ! -f "$DATA_DIR/rss-items.json" ]; then
  echo "Creating initial empty rss-items.json file"
  echo "[]" > "$DATA_DIR/rss-items.json"
fi

# Find the node executable path
NODE_PATH=$(which node 2>/dev/null)
if [ -z "$NODE_PATH" ]; then
  # If node is not in PATH, try common locations
  for path in /usr/bin/node /usr/local/bin/node /opt/node/bin/node /usr/lib/node; do
    if [ -x "$path" ]; then
      NODE_PATH="$path"
      break
    fi
  done

  # If we still can't find node, use the default path
  if [ -z "$NODE_PATH" ]; then
    NODE_PATH="/usr/bin/node"
    echo "Warning: Node.js not found in PATH, using default path: $NODE_PATH"
  fi
fi

# Create module symlinks to ensure compatibility
if [ -f "$APP_DIR/scripts/create-module-links.sh" ]; then
  echo "Creating module symlinks for compatibility..."
  bash "$APP_DIR/scripts/create-module-links.sh"
else
  echo "Warning: Module symlink script not found"
fi

# Start the application
cd "$APP_DIR" || { echo "Failed to change to application directory"; exit 1; }
echo "Starting node.js application with: $NODE_PATH $APP_DIR/server.js"
exec "$NODE_PATH" "$APP_DIR/server.js"