#!/usr/bin/env python3
"""
User Profile Manager for Games
A PySDL2-based profile management system with gamepad-only controls
Refactored with separated UI and business logic components

Features:
- Create new user profiles
- Edit existing profiles  
- Delete profiles
- Select active profile
- JSON-based storage
- Gamepad navigation only
- Modular UI components
"""

import time
from typing import Dict, Optional

import sdl2
import sdl2.ext

# Import separated components
from ui_components import UIRenderer, GamepadInputHandler
from profile_data import ProfileDataManager, SettingsManager
from screens import ModularScreenManager


class ProfileManager:
    """Main profile management system with separated UI and business logic"""
    
    def __init__(self, profiles_file: str = "user_profiles.json"):
        # Business logic components
        self.data_manager = ProfileDataManager(profiles_file)
        
        # Input handling
        self.input_handler = GamepadInputHandler()
        
        # SDL2 components
        self.window = None
        self.renderer = None
        self.ui_renderer = None
        self.running = True
        
        # NEW: Modular screen manager (will be initialized after SDL setup)
        self.screen_manager = None
    
    def init_sdl(self):
        """Initialize SDL2 components"""
        sdl2.ext.init(joystick=True)
        
        # Create window
        self.window = sdl2.ext.Window(
            title="Profile Manager",
            size=(640, 480)
        )
        self.window.show()
        
        # Create renderer
        self.renderer = sdl2.ext.Renderer(
            self.window,
            flags=sdl2.SDL_RENDERER_ACCELERATED | sdl2.SDL_RENDERER_PRESENTVSYNC
        )
        
        # Initialize UI renderer
        self.ui_renderer = UIRenderer(self.renderer, (640, 480))
        
        # NEW: Initialize modular screen manager
        self.screen_manager = ModularScreenManager(self.data_manager, self.ui_renderer)
    
    def handle_input(self):
        """Handle all input (simplified with screen delegation)"""
        # Handle SDL events for keyboard
        events = sdl2.ext.get_events()
        for event in events:
            if event.type == sdl2.SDL_QUIT:
                self.running = False
            elif event.type == sdl2.SDL_KEYDOWN:
                action = self._keyboard_to_action(event.key.keysym.sym)
                if action:
                    result = self.screen_manager.handle_input(action)
                    if not result:
                        self.running = False
        
        # Handle gamepad input
        gamepad_input = self.input_handler.get_gamepad_input()
        for action, pressed in gamepad_input.items():
            if pressed:
                gamepad_action = self._gamepad_to_action(action)
                if gamepad_action:
                    result = self.screen_manager.handle_input(gamepad_action)
                    if not result:
                        self.running = False
    
    def _keyboard_to_action(self, key) -> str:
        """Convert keyboard input to action"""
        key_map = {
            sdl2.SDLK_UP: 'up',
            sdl2.SDLK_DOWN: 'down',
            sdl2.SDLK_LEFT: 'left',
            sdl2.SDLK_RIGHT: 'right',
            sdl2.SDLK_RETURN: 'confirm',
            sdl2.SDLK_SPACE: 'confirm',
            sdl2.SDLK_ESCAPE: 'back',
            sdl2.SDLK_DELETE: 'delete',
            sdl2.SDLK_BACKSPACE: 'delete'
        }
        return key_map.get(key, '')
    
    def _gamepad_to_action(self, gamepad_action: str) -> str:
        """Convert gamepad input to action"""
        gamepad_map = {
            'up': 'up',
            'down': 'down', 
            'left': 'left',
            'right': 'right',
            'button_3': 'confirm',  # A/X button
            'button_4': 'back',     # B/Circle button
            'button_9': 'delete'    # X/Square button
        }
        return gamepad_map.get(gamepad_action, '')
    
    def render(self):
        """Simplified rendering (delegated to screen manager)"""
        # Clear and draw background
        self.ui_renderer.clear_screen('black')
        self.ui_renderer.draw_background_pattern('gradient')
        
        # Delegate all screen rendering to screen manager
        self.screen_manager.render()
        
        self.ui_renderer.present()
    
    def run(self):
        """Main application loop (unchanged)"""
        self.init_sdl()
        
        target_fps = 30
        frame_time = 1000 // target_fps
        
        while self.running:
            frame_start = sdl2.SDL_GetTicks()
            
            # Handle input
            self.handle_input()
            
            # Render
            self.render()
            
            # Frame timing
            frame_elapsed = sdl2.SDL_GetTicks() - frame_start
            if frame_elapsed < frame_time:
                sdl2.SDL_Delay(frame_time - frame_elapsed)
        
        # Cleanup
        self.input_handler.cleanup()
        sdl2.ext.quit()


# Entry point
def main():
    """Main entry point"""
    manager = ProfileManager()
    manager.run()


if __name__ == "__main__":
    main()