"""
Core initialization module for PygStormGames framework.

Provides the main PygStormGames class that serves as the central hub for game functionality.
"""

import pyglet
import time
from .config import Config
from .display import Display
from .menu import Menu
from .scoreboard import Scoreboard
from .sound import Sound
from .speech import Speech

class pygstormgames:
    """Main class that coordinates all game systems."""
    
    def __init__(self, gameTitle):
        """Initialize the game framework.
    
        Args:
            gameTitle (str): Title of the game
        """
        self.gameTitle = gameTitle
        self._paused = False
    
        # Initialize core systems
        self.config = Config(gameTitle)
        self.display = Display(self)
        self.speech = Speech()
        self.sound = Sound(self)
        self.scoreboard = Scoreboard(self)
        self.menu = Menu(self)
    
        # Play intro sound if available
        try:
            player = self.sound.play_sound('game-intro')
            if player:
                startTime = time.time()
                duration = player.source.duration
                # Make sure to give pyglet enough cycles to start playing
                pyglet.clock.tick()
                interrupted = self.wait_for_completion(
                    lambda: not player.playing or (time.time() - startTime) >= duration
                )
                if interrupted:
                    player.pause()
        except:
            pass

        # Set up window event handlers after intro is complete
        self.display.window.push_handlers(self.on_key_press)
        
    def on_key_press(self, symbol, modifiers):
        """Handle global keyboard events.
        
        Args:
            symbol: Pyglet key symbol
            modifiers: Key modifiers
        """
        if self._paused:
            if symbol == pyglet.window.key.BACKSPACE:
                self._paused = False
                self.sound.resume()
                self.speech.speak("Game resumed")
        else:
            # Global exit handler
            if symbol == pyglet.window.key.ESCAPE:
                self.exit_game()
                
            # Global pause handler 
            if symbol == pyglet.window.key.BACKSPACE:
                self.pause_game()
            
    def run(self):
        """Start the game loop."""
        pyglet.app.run()
        
    def pause_game(self):
        """Pause all game systems and wait for resume."""
        self._paused = True
        self.sound.pause()
        self.speech.speak("Game paused, press backspace to resume.")
        
    def exit_game(self):
        """Clean up and exit the game."""
        self.sound.cleanup()
        self.speech.cleanup()
        pyglet.app.exit()

    def wait(self, validKeys=None, timeout=None):
        """Wait for key press(es) with optional timeout.

        Args:
            validKeys (list, optional): List of pyglet.window.key values to wait for.
                If None, accepts any key press.
            timeout (float, optional): Time in seconds to wait for input.
                If None, waits indefinitely.
    
        Returns:
            tuple: (key, modifiers) that were pressed. Returns (None, None) on timeout.
        """
        keyResult = [None, None]  # Use list to allow modification in closure
        start_time = time.time()

        def on_key_press(symbol, modifiers):
            if validKeys is None or symbol in validKeys:
                keyResult[0] = symbol
                keyResult[1] = modifiers
                return pyglet.event.EVENT_HANDLED
    
        # Register temporary handler
        self.display.window.push_handlers(on_key_press=on_key_press)

        # Wait for valid key press or timeout
        while keyResult[0] is None:
            self.display.window.dispatch_events()
            pyglet.clock.tick()
        
            # Check for timeout
            if timeout is not None and time.time() - start_time > timeout:
                break

        # Clean up
        self.display.window.remove_handlers()
        return tuple(keyResult)

    def wait_for_completion(self, condition, validKeys=None, timeout=None):
        """Wait for either a condition to be met, valid keys to be pressed, or timeout.

        Args:
            condition: Function that returns True when waiting should end
            validKeys (list, optional): List of pyglet.window.key values that can interrupt
                If None, uses ESCAPE, RETURN, and SPACE
            timeout (float, optional): Time in seconds to wait before timing out
                If None, waits indefinitely

        Returns:
            bool: True if interrupted by key press or timeout, False if condition was met
        """
        if validKeys is None:
            validKeys = [pyglet.window.key.ESCAPE, 
                        pyglet.window.key.RETURN, 
                        pyglet.window.key.SPACE]

        interrupted = [False]  # Use list to allow modification in closure
        start_time = time.time()

        def on_key_press(symbol, modifiers):
            if symbol in validKeys:
                interrupted[0] = True
                return pyglet.event.EVENT_HANDLED
    
        self.display.window.push_handlers(on_key_press=on_key_press)

        while not condition() and not interrupted[0]:
            self.display.window.dispatch_events()
            pyglet.clock.tick()
        
            # Check for timeout
            if timeout is not None and time.time() - start_time > timeout:
                interrupted[0] = True
                break

        self.display.window.remove_handlers()
        return interrupted[0]

    def exit_game(self):
        """Closes the game cleanly"""
        try:
            self.sound.cleanup()
        except Exception as e:
            print(f"Error with sound cleanup: {e}")
            pass

        try:
            self.display.window.remove_handlers()
        except Exception as e:
            print(f"Error with handler cleanup: {e}")
            pass

        try:
            self.speech.cleanup()
        except Exception as e:
            print(f"Error with speech cleanup: {e}")
            pass

        try:
            # Try to close the window explicitly
            if hasattr(self.display, 'window'):
                self.display.window.close()
        except Exception as e:
            print(f"Error closing window: {e}")
            pass

        try:
            pyglet.app.exit()
        except Exception as e:
            print(f"Error while exiting: {e}")
            pass

        # Force exit if pyglet.app.exit() didn't work
        import sys
        sys.exit(0)