#!/usr/bin/env python3
"""
TV_APP V1.0.0 - One-Click Launcher
Automatically installs dependencies and starts the web application
"""

import os
import sys
import subprocess
import webbrowser
import time
import importlib.util

def check_python_version():
    """Check if Python 3.7+ is available"""
    if sys.version_info < (3, 7):
        print("ERROR: Python 3.7+ is required")
        print(f"You have Python {sys.version}")
        return False
    return True

def check_and_install_flask():
    """Check if Flask is installed, install if not"""
    flask_spec = importlib.util.find_spec("flask")

    if flask_spec is not None:
        import flask
        print(f"✓ Flask is installed: v{flask.__version__}")
        return True

    print("⚠ Flask not found. Installing...")
    try:
        subprocess.check_call([sys.executable, "-m", "pip", "install", "flask", "-q"])
        print("✓ Flask installed successfully")
        return True
    except subprocess.CalledProcessError:
        print("ERROR: Failed to install Flask")
        return False

def main():
    """Main installation and startup routine"""
    print("\n" + "="*70)
    print("         TV_APP V1.0.0 - Installation & Launcher")
    print("="*70 + "\n")

    # Check Python version
    print("[1/4] Checking Python version...")
    if not check_python_version():
        print("\nPlease install Python 3.7 or higher")
        input("Press Enter to exit...")
        return False

    import flask
    print(f"✓ Python {sys.version.split()[0]} found\n")

    # Check Flask
    print("[2/4] Checking Flask installation...")
    if not check_and_install_flask():
        input("Press Enter to exit...")
        return False
    print()

    # Find the app directory (handle symlinks and copies)
    print("[3/4] Locating application directory...")

    # Start with script location
    script_dir = os.path.dirname(os.path.abspath(__file__))

    # Resolve symlinks
    if os.path.islink(__file__):
        script_dir = os.path.dirname(os.path.abspath(os.readlink(__file__)))

    app_path = os.path.join(script_dir, "app.py")

    # If app.py not found, search for it
    if not os.path.exists(app_path):
        print(f"  Searching for app.py near {script_dir}...")

        # Check parent directory
        parent_dir = os.path.dirname(script_dir)
        app_path = os.path.join(parent_dir, "app.py")
        if os.path.exists(app_path):
            script_dir = parent_dir
        else:
            print(f"ERROR: app.py not found")
            print(f"  Checked: {script_dir}")
            print(f"  Checked: {parent_dir}")
            input("Press Enter to exit...")
            return False

    print(f"✓ Application found: {app_path}\n")

    # Start the app
    print("[4/4] Starting web application...\n")
    print("="*70)
    print("                    TV_APP is starting...")
    print("="*70)
    print("\nThe application will be available at: http://localhost:5000")
    print("Press Ctrl+C to stop the server\n")

    time.sleep(2)

    # Open browser
    try:
        webbrowser.open("http://localhost:5000", new=1)
    except:
        pass

    # Change to app directory and run
    os.chdir(script_dir)

    try:
        # Import and run the Flask app
        import app
        app.app.run(host='0.0.0.0', port=5000, debug=True, use_reloader=False)
    except ImportError as e:
        print(f"ERROR: Could not import app.py: {e}")
        input("Press Enter to exit...")
        return False
    except KeyboardInterrupt:
        print("\n\nServer stopped by user")
        return True
    except Exception as e:
        print(f"ERROR: {e}")
        input("Press Enter to exit...")
        return False

    return True

if __name__ == "__main__":
    success = main()
    sys.exit(0 if success else 1)