#!/bin/bash

# 🚗 Smart Parking Finder - Unified Start Script
# This script provides multiple deployment options

# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
CYAN='\033[0;36m'
NC='\033[0m' # No Color

# Project directory (go back one level since we're in scripts folder)
PROJECT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"

# Function to display menu
show_menu() {
    echo -e "${BLUE}🚗 Smart Parking Finder - Start Options${NC}"
    echo -e "${BLUE}============================================${NC}"
    echo ""
    echo -e "${GREEN}1.${NC} 🎨 Frontend Only (Quick Demo)"
    echo -e "${GREEN}2.${NC} 🌐 Network Access (Other devices can access)"
    echo -e "${GREEN}3.${NC} 🌍 Global Access (Internet access via ngrok)"
    echo -e "${GREEN}4.${NC} 🔄 Full Development (Frontend + Backend)"
    echo -e "${GREEN}5.${NC} 🐳 Docker Development (Complete with services)"
    echo -e "${GREEN}6.${NC} ❌ Exit"
    echo ""
    echo -e "${YELLOW}Choose an option [1-6]:${NC} "
}

# Function to check if command exists
command_exists() {
    command -v "$1" >/dev/null 2>&1
}

# Function to get local IP
get_local_ip() {
    ifconfig | grep -E "inet.*broadcast" | head -1 | awk '{print $2}'
}

# Function to start frontend only
start_frontend_only() {
    echo -e "${BLUE}🎨 Starting Frontend Only...${NC}"
    cd "$PROJECT_DIR/frontend"
    
    if [ ! -d "node_modules" ]; then
        echo -e "${YELLOW}📦 Installing dependencies...${NC}"
        npm install
    fi
    
    echo -e "${GREEN}🚀 Starting Next.js development server...${NC}"
    echo -e "${CYAN}🌐 Frontend will run on: http://localhost:3000${NC}"
    echo ""
    echo -e "${YELLOW}⚠️  Note: Backend is not started. Some features may not work.${NC}"
    echo -e "${YELLOW}💡 To start backend, open new terminal and run:${NC}"
    echo -e "${YELLOW}   cd backend && npm run start:dev${NC}"
    echo ""
    
    npm run dev
}

# Function to start with network access
start_network_access() {
    echo -e "${BLUE}🌐 Starting with Network Access...${NC}"
    LOCAL_IP=$(get_local_ip)
    
    echo -e "${BLUE}===============================================${NC}"
    echo -e "${BLUE}🌐 NETWORK ACCESS INFORMATION${NC}"
    echo -e "${BLUE}===============================================${NC}"
    echo -e "${GREEN}📱 Local Access: http://localhost:3000${NC}"
    echo -e "${GREEN}🌍 Network Access: http://$LOCAL_IP:3000${NC}"
    echo -e "${BLUE}===============================================${NC}"
    echo ""
    echo -e "${YELLOW}📋 To access from other devices:${NC}"
    echo -e "${YELLOW}   1. Make sure devices are on the same WiFi network${NC}"
    echo -e "${YELLOW}   2. Use this URL: http://$LOCAL_IP:3000${NC}"
    echo -e "${YELLOW}   3. Make sure macOS Firewall allows Node.js connections${NC}"
    echo ""
    
    cd "$PROJECT_DIR/frontend"
    
    if [ ! -d "node_modules" ]; then
        echo -e "${YELLOW}📦 Installing dependencies...${NC}"
        npm install
    fi
    
    npm run dev
}

# Function to start with global access
start_global_access() {
    echo -e "${BLUE}🌍 Starting with Global Access...${NC}"
    
    if ! command_exists ngrok; then
        echo -e "${YELLOW}❌ ngrok is not installed. Installing...${NC}"
        if command_exists brew; then
            brew install ngrok/ngrok/ngrok
        else
            echo -e "${RED}❌ Please install ngrok manually: https://ngrok.com/download${NC}"
            exit 1
        fi
    fi
    
    LOCAL_IP=$(get_local_ip)
    
    echo -e "${BLUE}===============================================${NC}"
    echo -e "${BLUE}🌍 GLOBAL ACCESS DEPLOYMENT${NC}"
    echo -e "${BLUE}===============================================${NC}"
    echo -e "${GREEN}📱 Local Access: http://localhost:3000${NC}"
    echo -e "${GREEN}🏠 Network Access: http://$LOCAL_IP:3000${NC}"
    echo -e "${GREEN}🌐 Global Access: Will be shown after ngrok starts${NC}"
    echo -e "${BLUE}===============================================${NC}"
    echo ""
    
    cd "$PROJECT_DIR/frontend"
    
    if [ ! -d "node_modules" ]; then
        echo -e "${YELLOW}📦 Installing dependencies...${NC}"
        npm install
    fi
    
    # Start frontend in background
    npm run dev &
    FRONTEND_PID=$!
    
    # Wait for frontend to start
    sleep 5
    
    # Start ngrok
    echo -e "${CYAN}🔗 Creating global tunnel...${NC}"
    ngrok http 3000
    
    # Cleanup on exit
    trap "kill $FRONTEND_PID" EXIT
}

# Function to start full development
start_full_development() {
    echo -e "${BLUE}🔄 Starting Full Development (Frontend + Backend)...${NC}"
    
    # Check Node.js
    if ! command_exists node; then
        echo -e "${RED}❌ Node.js is not installed. Please install Node.js first.${NC}"
        exit 1
    fi
    
    echo -e "${GREEN}✅ Node.js is ready${NC}"
    
    # Start backend in background
    echo -e "${BLUE}🔧 Starting Backend on http://localhost:3001...${NC}"
    cd "$PROJECT_DIR/backend"
    
    if [ ! -d "node_modules" ]; then
        echo -e "${YELLOW}📦 Installing backend dependencies...${NC}"
        npm install
    fi
    
    npm run start:dev &
    BACKEND_PID=$!
    
    # Start frontend
    echo -e "${BLUE}🎨 Starting Frontend on http://localhost:3000...${NC}"
    cd "$PROJECT_DIR/frontend"
    
    if [ ! -d "node_modules" ]; then
        echo -e "${YELLOW}📦 Installing frontend dependencies...${NC}"
        npm install
    fi
    
    # Wait a bit for backend to start
    sleep 3
    
    npm run dev &
    FRONTEND_PID=$!
    
    echo -e "${GREEN}🎉 Full development environment started!${NC}"
    echo -e "${GREEN}Frontend: http://localhost:3000${NC}"
    echo -e "${GREEN}Backend: http://localhost:3001${NC}"
    
    # Wait for user to exit
    echo -e "${YELLOW}Press Ctrl+C to stop all services...${NC}"
    
    # Cleanup on exit
    trap "kill $BACKEND_PID $FRONTEND_PID 2>/dev/null" EXIT
    wait
}

# Function to start docker development
start_docker_development() {
    echo -e "${BLUE}🐳 Starting Docker Development...${NC}"
    
    # Check Docker
    if ! command_exists docker; then
        echo -e "${RED}❌ Docker is not installed. Please install Docker first.${NC}"
        exit 1
    fi
    
    if ! docker info >/dev/null 2>&1; then
        echo -e "${RED}❌ Docker is not running. Please start Docker and try again.${NC}"
        exit 1
    fi
    
    echo -e "${GREEN}✅ Docker is ready${NC}"
    
    cd "$PROJECT_DIR"
    
    echo -e "${BLUE}🚀 Starting Docker Compose...${NC}"
    docker-compose up -d
    
    echo -e "${GREEN}🎉 Docker development environment started!${NC}"
    echo -e "${GREEN}Frontend: http://localhost:3000${NC}"
    echo -e "${GREEN}Backend: http://localhost:3001${NC}"
    echo -e "${GREEN}Database: localhost:5432${NC}"
    echo -e "${GREEN}Redis: localhost:6379${NC}"
    
    echo -e "${YELLOW}To stop: docker-compose down${NC}"
}

# Main execution
while true; do
    show_menu
    read -p "" choice
    
    case $choice in
        1)
            start_frontend_only
            break
            ;;
        2)
            start_network_access
            break
            ;;
        3)
            start_global_access
            break
            ;;
        4)
            start_full_development
            break
            ;;
        5)
            start_docker_development
            break
            ;;
        6)
            echo -e "${GREEN}👋 Goodbye!${NC}"
            exit 0
            ;;
        *)
            echo -e "${RED}❌ Invalid option. Please choose 1-6.${NC}"
            echo ""
            ;;
    esac
done