"""
Script to build Windows executable using PyInstaller
Run this on a Windows machine or use Wine on Linux
"""

import os
import sys
import subprocess

def build_executable():
    """Build the Windows executable"""
    
    print("Building Windows executable with PyInstaller...")
    print("Note: For best results, build on a Windows machine")
    print()
    
    # Check if icon file exists
    icon_param = []
    if os.path.exists('app_icon.ico'):
        icon_param = ['--icon=app_icon.ico']
        print("Using icon file: app_icon.ico")
    else:
        print("No icon file found (optional)")
    
    # Locate mysql connector locales inside the venv
    import site
    venv_site = os.path.join('venv', 'Lib', 'site-packages')
    mysql_locales = os.path.join(venv_site, 'mysql', 'connector', 'locales')
    add_data_sep = ';' if sys.platform == 'win32' else ':'
    mysql_locales_arg = f'--add-data={mysql_locales}{add_data_sep}mysql/connector/locales'

    # PyInstaller command - simplified to avoid module collection issues
    cmd = [
        'pyinstaller',
        '--name=DatabaseApp',
        '--onefile',
        '--windowed',
        '--hidden-import=mysql.connector',
        '--hidden-import=mysql.connector.locales',
        '--hidden-import=mysql.connector.locales.eng',
        '--hidden-import=mysql.connector.plugins',
        '--hidden-import=mysql.connector.plugins.mysql_native_password',
        '--hidden-import=mysql.connector.plugins.caching_sha2_password',
        '--hidden-import=kivy.core.window.window_sdl2',
        '--hidden-import=win32timezone',
        '--exclude-module=_tkinter',
        '--exclude-module=matplotlib',
        '--exclude-module=numpy',
        mysql_locales_arg,
    ] + icon_param + ['main.py']
    
    try:
        print("Running PyInstaller...")
        print("Command:", ' '.join(cmd))
        print()
        subprocess.run(cmd, check=True)
        print("\n" + "="*50)
        print("Build completed successfully!")
        print("Executable location: dist/DatabaseApp.exe")
        print("="*50)
        print("\nNote: If the executable doesn't work on Windows:")
        print("1. Build it directly on a Windows machine")
        print("2. Use the DatabaseApp.spec file: pyinstaller DatabaseApp.spec")
    except subprocess.CalledProcessError as e:
        print(f"\nError building executable: {e}")
        print("\nTroubleshooting:")
        print("1. Make sure you're building on Windows for best compatibility")
        print("2. Try using the spec file: pyinstaller DatabaseApp.spec")
        print("3. Check BUILD_WINDOWS_GUIDE.md for more information")
        sys.exit(1)
    except FileNotFoundError:
        print("PyInstaller not found. Please install it first:")
        print("pip install pyinstaller")
        sys.exit(1)

if __name__ == "__main__":
    build_executable()