#!/bin/bash
#
# Start script for Gemini MCP Server
# Supports both stdio and HTTP modes
#

# Default values
MODE="stdio"
PROJECT_ROOT="."
PORT="8006"

# Parse command line arguments
while [[ $# -gt 0 ]]; do
    case $1 in
        --mode)
            MODE="$2"
            shift 2
            ;;
        --project-root)
            PROJECT_ROOT="$2"
            shift 2
            ;;
        --port)
            PORT="$2"
            shift 2
            ;;
        --help)
            echo "Usage: $0 [options]"
            echo "Options:"
            echo "  --mode <stdio|http>     Server mode (default: stdio)"
            echo "  --project-root <path>   Project root directory (default: .)"
            echo "  --port <port>           Port for HTTP mode (default: 8006)"
            echo "  --help                  Show this help message"
            exit 0
            ;;
        *)
            echo "Unknown option: $1"
            exit 1
            ;;
    esac
done

# Check if running in container
if [ -f /.dockerenv ] || [ -n "$CONTAINER_ENV" ]; then
    echo "ERROR: Gemini MCP Server cannot run inside a container!"
    echo "The Gemini CLI requires Docker access and must run on the host system."
    echo "Please run this script on your host machine."
    exit 1
fi

# Check if Python is available
if ! command -v python &> /dev/null && ! command -v python3 &> /dev/null; then
    echo "ERROR: Python is not installed or not in PATH"
    exit 1
fi

# Use python3 if available, otherwise python
PYTHON_CMD="python"
if command -v python3 &> /dev/null; then
    PYTHON_CMD="python3"
fi

# Get the directory where this script is located
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

# Change to script directory
cd "$SCRIPT_DIR"

# Start the server
echo "Starting Gemini MCP Server..."
echo "Mode: $MODE"
echo "Project Root: $PROJECT_ROOT"

if [ "$MODE" = "http" ]; then
    echo "Port: $PORT"
    export UVICORN_PORT=$PORT
fi

# Run the server
exec $PYTHON_CMD gemini_mcp_server.py --mode "$MODE" --project-root "$PROJECT_ROOT"