from enum import Enum, auto
from typing import Dict

class Colors:
    DARK = {
        'background': '#1E1E1E',
        'surface': '#252526',
        'primary': '#007ACC',
        'secondary': '#3C3C3C',
        'text': '#FFFFFF',
        'text_secondary': '#CCCCCC',
        'border': '#3C3C3C',
        'hover': '#2A2D2E',
        'active': '#37373D',
        'error': '#F44336',
        'success': '#4CAF50',
        'warning': '#FFC107'
    }
    
    LIGHT = {
        'background': '#FFFFFF',
        'surface': '#F3F3F3',
        'primary': '#007ACC',
        'secondary': '#E0E0E0',
        'text': '#000000',
        'text_secondary': '#666666',
        'border': '#CCCCCC',
        'hover': '#E8E8E8',
        'active': '#DADADA',
        'error': '#F44336',
        'success': '#4CAF50',
        'warning': '#FFC107'
    }

class Fonts:
    FAMILY = "Inter"
    SIZES = {
        "xs": "11px",
        "sm": "13px",
        "md": "14px",
        "lg": "16px",
        "xl": "18px"
    }
    WEIGHTS = {
        "normal": "400",
        "medium": "500",
        "semibold": "600",
        "bold": "700"
    }

class Spacing:
    TINY = 4
    SMALL = 8
    MEDIUM = 16
    LARGE = 24
    XLARGE = 32
    XXLARGE = 48

class Shadows:
    SMALL = {
        "dark": "0 2px 4px rgba(0, 0, 0, 0.3)",
        "light": "0 2px 4px rgba(0, 0, 0, 0.1)"
    }
    MEDIUM = {
        "dark": "0 4px 8px rgba(0, 0, 0, 0.4)",
        "light": "0 4px 8px rgba(0, 0, 0, 0.15)"
    }
    LARGE = {
        "dark": "0 8px 16px rgba(0, 0, 0, 0.5)",
        "light": "0 8px 16px rgba(0, 0, 0, 0.2)"
    }

class Theme(Enum):
    DARK = auto()
    LIGHT = auto()
    
    def get_colors(self):
        if self == Theme.DARK:
            return Colors.DARK
        return Colors.LIGHT
    
    def get_spacing(self):
        return Spacing
    
    def get_fonts(self):
        return Fonts
    
    def get_shadows(self):
        if self == Theme.DARK:
            return {k: v["dark"] for k, v in Shadows.__dict__.items() if isinstance(v, dict)}
        return {k: v["light"] for k, v in Shadows.__dict__.items() if isinstance(v, dict)}

class StyleSheet:
    @staticmethod
    def get_base_styles(theme: Theme) -> str:
        colors = theme.get_colors()
        spacing = theme.get_spacing()
        
        return f"""
            QMainWindow {{
                background-color: {colors['background']};
            }}
            
            QWidget {{
                color: {colors['text']};
                font-family: 'Inter';
            }}
            
            QPushButton {{
                background-color: {colors['primary']};
                border: none;
                border-radius: {spacing.TINY}px;
                padding: {spacing.SMALL}px {spacing.MEDIUM}px;
                color: white;
            }}
            
            QPushButton:hover {{
                background-color: {colors['hover']};
            }}
            
            QPushButton:pressed {{
                background-color: {colors['active']};
            }}
            
            QLineEdit, QTextEdit {{
                background-color: {colors['surface']};
                border: 1px solid {colors['border']};
                border-radius: {spacing.TINY}px;
                padding: {spacing.SMALL}px;
                color: {colors['text']};
            }}
            
            QLineEdit:focus, QTextEdit:focus {{
                border: 1px solid {colors['primary']};
            }}
            
            QComboBox {{
                background-color: {colors['surface']};
                border: 1px solid {colors['border']};
                border-radius: {spacing.TINY}px;
                padding: {spacing.SMALL}px;
                color: {colors['text']};
            }}
            
            QComboBox:hover {{
                border: 1px solid {colors['primary']};
            }}
            
            QLabel {{
                color: {colors['text']};
            }}
            
            QScrollBar:vertical {{
                border: none;
                background-color: {colors['surface']};
                width: 10px;
                margin: 0px;
            }}
            
            QScrollBar::handle:vertical {{
                background-color: {colors['secondary']};
                min-height: 20px;
                border-radius: 5px;
            }}
            
            QScrollBar::add-line:vertical, QScrollBar::sub-line:vertical {{
                height: 0px;
            }}
            
            QScrollBar:horizontal {{
                border: none;
                background-color: {colors['surface']};
                height: 10px;
                margin: 0px;
            }}
            
            QScrollBar::handle:horizontal {{
                background-color: {colors['secondary']};
                min-width: 20px;
                border-radius: 5px;
            }}
            
            QScrollBar::add-line:horizontal, QScrollBar::sub-line:horizontal {{
                width: 0px;
            }}
        """

    @staticmethod
    def get_custom_styles(theme: Theme) -> Dict[str, str]:
        colors = theme.get_colors()
        return {
            "primary_button": f"""
                QPushButton {{
                    background-color: {colors['primary']};
                    color: white;
                }}
            """,
            "secondary_button": f"""
                QPushButton {{
                    background-color: transparent;
                    color: {colors['primary']};
                    border: 1px solid {colors['primary']};
                }}
            """,
            "danger_button": f"""
                QPushButton {{
                    background-color: {colors['error']};
                    color: white;
                }}
            """,
            "success_button": f"""
                QPushButton {{
                    background-color: {colors['success']};
                    color: white;
                }}
            """
        }