#!/usr/bin/env python3
"""
Theme Command - Change shell appearance
"""

from colorama import Fore, Style, init

init(autoreset=True)

class ThemeCommand:
    """Change shell theme"""
    
    def __init__(self, theme_manager, theme_name):
        self.theme_manager = theme_manager
        self.theme_name = theme_name.strip().lower()
    
    def run(self):
        """Execute the theme command"""
        if not self.theme_name:
            self._show_themes()
            return
        
        if self.theme_manager.set_theme(self.theme_name):
            c = self.theme_manager.colors
            print(c['primary'] + f"✓ Theme changed to: {self.theme_name}")
            print(c['secondary'] + "Theme will be applied immediately!")
        else:
            print(Fore.RED + f"❌ Theme '{self.theme_name}' not found!")
            self._show_themes()
    
    def _show_themes(self):
        """Show available themes"""
        print(Fore.CYAN + "🎨 Available Themes:")
        print(Fore.YELLOW + "─" * 30)
        
        for theme_name, colors in self.theme_manager.themes.items():
            primary = colors['primary']
            accent = colors['accent']
            current = " (current)" if theme_name == self.theme_manager.current_theme else ""
            
            print(f"{primary}●{accent}●{Fore.WHITE} {theme_name}{current}")
        
        print(f"\n{Fore.WHITE}Usage: theme <theme_name>")
        print(f"{Fore.LIGHTBLACK_EX}Example: theme cyberpunk")