#!/usr/bin/env python3
"""
Startup script for Salesforce PDF Generator API
"""

import subprocess
import sys
import os

def install_requirements():
    """Install required packages"""
    print("Installing required packages...")
    try:
        subprocess.check_call([sys.executable, "-m", "pip", "install", "-r", "requirements.txt"])
        print("✅ Requirements installed successfully")
    except subprocess.CalledProcessError as e:
        print(f"❌ Failed to install requirements: {e}")
        return False
    return True

def check_wkhtmltopdf():
    """Check if wkhtmltopdf is available"""
    print("Checking wkhtmltopdf installation...")
    try:
        result = subprocess.run(['wkhtmltopdf', '--version'], capture_output=True, text=True)
        if result.returncode == 0:
            print("✅ wkhtmltopdf is available")
            return True
        else:
            print("❌ wkhtmltopdf not found in PATH")
            return False
    except FileNotFoundError:
        print("❌ wkhtmltopdf not found. Please install it:")
        print("   Ubuntu/Debian: sudo apt-get install wkhtmltopdf")
        print("   macOS: brew install wkhtmltopdf")
        print("   Windows: Download from https://wkhtmltopdf.org/downloads.html")
        return False

def start_api():
    """Start the Flask API server"""
    print("Starting Salesforce PDF Generator API...")
    try:
        from salesforce_pdf_api import app
        app.run(host='0.0.0.0', port=5000, debug=True)
    except ImportError as e:
        print(f"❌ Failed to import API: {e}")
        return False
    except Exception as e:
        print(f"❌ Failed to start API: {e}")
        return False
    return True

def main():
    """Main startup function"""
    print("🚀 Salesforce PDF Generator API Startup")
    print("=" * 50)
    
    # Install requirements
    if not install_requirements():
        print("❌ Cannot continue without requirements")
        return
    
    # Check wkhtmltopdf
    if not check_wkhtmltopdf():
        print("⚠️  wkhtmltopdf not available. PDF generation may fail.")
        print("   Continuing anyway...")
    
    # Start API
    print("\n🌐 Starting API server on http://localhost:8000")
    print("   Press Ctrl+C to stop")
    print("=" * 50)
    
    if not start_api():
        print("❌ Failed to start API server")
        return

if __name__ == "__main__":
    main()