#!/usr/bin/env python3
"""
Check for required system dependencies for the Hotel Booking platform.
"""
import subprocess
import shutil
import sys
import platform

def check_command(command, name, install_instructions):
    """Check if a command is available."""
    if shutil.which(command):
        version_output = subprocess.run(
            [command, '--version'],
            capture_output=True,
            text=True,
            timeout=5
        )
        version = version_output.stdout.split('\n')[0] if version_output.returncode == 0 else 'installed'
        print(f"✓ {name}: {version}")
        return True
    else:
        print(f"✗ {name}: NOT FOUND")
        print(f"  Installation: {install_instructions}")
        return False

def main():
    """Check all dependencies."""
    print("=" * 60)
    print("Checking System Dependencies")
    print("=" * 60)
    print()
    
    all_ok = True
    
    # Check mysqldump
    os_type = platform.system().lower()
    if os_type == 'linux':
        distro = platform.linux_distribution()[0].lower() if hasattr(platform, 'linux_distribution') else 'unknown'
        if 'ubuntu' in distro or 'debian' in distro:
            install_cmd = "sudo apt-get install mysql-client"
        elif 'centos' in distro or 'rhel' in distro or 'fedora' in distro:
            install_cmd = "sudo yum install mysql (or sudo dnf install mysql)"
        else:
            install_cmd = "Install MySQL client tools for your distribution"
    elif os_type == 'darwin':
        install_cmd = "brew install mysql-client"
    else:
        install_cmd = "Install MySQL client tools for your OS"
    
    if not check_command('mysqldump', 'mysqldump (MySQL client)', install_cmd):
        all_ok = False
    
    print()
    print("=" * 60)
    
    if all_ok:
        print("✓ All dependencies are installed!")
        return 0
    else:
        print("✗ Some dependencies are missing.")
        print()
        print("You can install mysqldump using the provided script:")
        print("  bash scripts/install_mysqldump.sh")
        return 1

if __name__ == '__main__':
    sys.exit(main())