"""
QSS Generator - Dynamically generates Qt Stylesheets from Theme Configuration
"""

from themes.theme_config import ThemeConfig


class QSSGenerator:
    """
    Generates complete QSS stylesheets from theme configuration.
    This ensures all styling is consistent and centralized.
    """
    
    @staticmethod
    def generate(theme_name: str) -> str:
        """
        Generate complete QSS for the specified theme.
        
        Args:
            theme_name: 'light' or 'dark'
            
        Returns:
            Complete QSS stylesheet as string
        """
        theme = ThemeConfig.get_theme(theme_name)
        fonts = ThemeConfig.FONTS
        sizes = ThemeConfig.FONT_SIZES
        weights = ThemeConfig.FONT_WEIGHTS
        spacing = ThemeConfig.SPACING
        radius = ThemeConfig.RADIUS
        
        qss = f"""
/* ==================== AUTO-GENERATED THEME: {theme_name.upper()} ==================== */
/* Generated from themes/theme_config.py - DO NOT EDIT DIRECTLY */

/* ==================== MAIN WINDOW ==================== */
QMainWindow {{
    background-color: {theme['bg_primary']};
    color: {theme['text_primary']};
}}

/* ==================== BASE WIDGETS ==================== */
QWidget {{
    background-color: {theme['bg_primary']};
    color: {theme['text_primary']};
    font-family: {fonts['secondary']};
    font-size: {sizes['base']};
}}

/* Content Stack - Main content area */
QStackedWidget#content_stack {{
    background-color: {theme['bg_secondary']};
}}

/* ==================== LABELS ==================== */
QLabel {{
    color: {theme['text_primary']};
    background-color: transparent;
    padding: 2px;
}}

/* Platform Title */
QLabel#platform_title {{
    font-family: {fonts['primary']};
    font-size: {sizes['3xl']};
    font-weight: {weights['bold']};
    color: {theme['text_accent']};
    padding: {spacing['md']};
    letter-spacing: 1px;
}}

/* Secondary Labels */
QLabel#secondary_text {{
    color: {theme['text_secondary']};
}}

/* Platform Name Labels */
QLabel#platform_name_label {{
    color: {theme['platform_label']};
    font-family: {fonts['primary']};
    font-weight: {weights['semibold']};
    letter-spacing: 0.5px;
}}

/* ==================== PLATFORM BUTTONS ==================== */
PlatformButton {{
    background-color: transparent;
}}

QPushButton#platform_icon_button {{
    background-color: {theme['platform_bg']};
    border: 1px solid {theme['platform_border']};
    border-radius: {radius['xl']};
    padding: {spacing['xl']};
}}

QPushButton#platform_icon_button:hover {{
    background-color: {theme['platform_hover']};
    border: 1px solid {theme['platform_border_hover']};
}}

QPushButton#platform_icon_button:pressed {{
    background-color: {theme['platform_pressed']};
    border: 1px solid {theme['platform_border_hover']};
}}

QPushButton#platform_icon_button:disabled {{
    background-color: {theme['bg_tertiary']};
    opacity: 0.5;
}}

/* ==================== BUTTONS ==================== */
QPushButton {{
    background-color: {theme['btn_primary_bg']};
    color: {theme['btn_primary_text']};
    border: none;
    border-radius: {radius['round']};
    padding: 0 {spacing['xl']};
    font-family: {fonts['primary']};
    font-size: {sizes['base']};
    font-weight: {weights['semibold']};
    min-height: 48px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}}

QPushButton:hover {{
    background-color: {theme['accent_hover']};
}}

QPushButton:pressed {{
    background-color: {theme['accent_pressed']};
}}

QPushButton:disabled {{
    background-color: {theme['bg_tertiary']};
    color: {theme['text_tertiary']};
    opacity: 0.5;
}}

/* Secondary Buttons */
QPushButton#secondary_button {{
    background-color: {theme['btn_secondary_bg']};
    color: {theme['btn_secondary_text']};
    border: 1px solid {theme['btn_secondary_border']};
}}

QPushButton#secondary_button:hover {{
    background-color: {theme['bg_hover']};
}}

/* Danger Buttons */
QPushButton#danger_button {{
    background-color: {theme['btn_danger_bg']};
    color: {theme['btn_danger_text']};
}}

QPushButton#danger_button:hover {{
    background-color: {theme['error']};
}}

/* ==================== TAB NAVIGATION ==================== */
TabNavigation, QWidget#tab_navigation {{
    background-color: {theme['nav_bg']};
    border-bottom: 1px solid {theme['nav_border']};
}}

TabNavigation QPushButton {{
    background-color: {theme['nav_item']};
    color: {theme['nav_text']};
    border: none;
    border-radius: 0;
    padding: 6px {spacing['lg']} {spacing['sm']};
    font-weight: {weights['medium']};
    min-height: 48px;
    text-transform: none;
}}

TabNavigation QPushButton:hover {{
    background-color: {theme['nav_item_hover']};
    color: {theme['text_primary']};
}}

TabNavigation QPushButton:checked {{
    background-color: {theme['nav_item_active']};
    color: {theme['nav_text_active']};
    border-bottom: 2px solid {theme['accent']};
}}

/* Tab Badge */
TabNavigation QLabel#badge {{
    background-color: {theme['accent']};
    color: {theme['btn_primary_text']};
    padding: 2px 6px;
    border-radius: 10px;
    font-size: {sizes['xs']};
    font-weight: {weights['semibold']};
}}

/* ==================== ACCOUNTS OVERVIEW ==================== */
AccountsOverviewView, QWidget#accounts_overview {{
    background-color: {theme['bg_secondary']};
}}

/* Filter Sidebar */
QWidget#filter_sidebar {{
    background-color: {theme['surface_sidebar']};
    border-right: 1px solid {theme['border_default']};
}}

/* Filter Buttons */
QPushButton#filter_button {{
    background-color: transparent;
    color: {theme['text_secondary']};
    border: none;
    padding: {spacing['sm']} {spacing['md']};
    text-align: left;
    font-size: {sizes['base']};
}}

QPushButton#filter_button:hover {{
    background-color: {theme['bg_hover']};
    color: {theme['text_primary']};
}}

QPushButton#filter_button[selected="true"] {{
    background-color: {theme['bg_selected']};
    color: {theme['text_accent']};
    border-left: 3px solid {theme['accent']};
}}

/* Content Area */
QWidget#accounts_content {{
    background-color: {theme['bg_secondary']};
}}

/* ==================== ACCOUNT CARDS ==================== */
AccountCard, QFrame#account_card {{
    background-color: {theme['surface_card']};
    border: 1px solid {theme['border_subtle']};
    border-radius: {radius['lg']};
    padding: {spacing['md']};
}}

AccountCard:hover, QFrame#account_card:hover {{
    border: 1px solid {theme['accent']};
}}

/* Account Card Buttons */
QPushButton#login_button {{
    background-color: {theme['accent']};
    color: {theme['btn_primary_text']};
    border-radius: {radius['md']};
    padding: {spacing['sm']} {spacing['md']};
    font-size: {sizes['sm']};
    min-height: 36px;
}}

QPushButton#login_button:hover {{
    background-color: {theme['accent_hover']};
}}

QPushButton#export_button {{
    background-color: {theme['success']};
    color: #FFFFFF;
    border-radius: {radius['md']};
    padding: {spacing['sm']} {spacing['md']};
    font-size: {sizes['sm']};
    min-height: 36px;
}}

QPushButton#delete_button {{
    background-color: {theme['btn_danger_bg']};
    color: {theme['btn_danger_text']};
    border-radius: {radius['md']};
    padding: {spacing['sm']} {spacing['md']};
    font-size: {sizes['sm']};
    min-height: 36px;
}}

/* ==================== INPUT FIELDS ==================== */
QLineEdit, QSpinBox, QTextEdit, QPlainTextEdit {{
    background-color: {theme['input_bg']};
    color: {theme['text_primary']};
    border: 1px solid {theme['input_border']};
    border-radius: {radius['md']};
    padding: {spacing['sm']} {spacing['md']};
    font-size: {sizes['base']};
}}

QLineEdit:focus, QSpinBox:focus, QTextEdit:focus, QPlainTextEdit:focus {{
    background-color: {theme['input_focus_bg']};
    border: 2px solid {theme['input_focus_border']};
    outline: none;
}}

QLineEdit:disabled, QSpinBox:disabled, QTextEdit:disabled {{
    background-color: {theme['bg_tertiary']};
    color: {theme['text_tertiary']};
}}

/* ==================== COMBOBOX ==================== */
QComboBox {{
    background-color: {theme['input_bg']};
    color: {theme['text_primary']};
    border: 1px solid {theme['input_border']};
    border-radius: {radius['md']};
    padding: {spacing['sm']} {spacing['md']};
    min-height: 32px;
}}

QComboBox:hover {{
    border: 1px solid {theme['accent']};
}}

QComboBox:focus {{
    border: 2px solid {theme['input_focus_border']};
}}

QComboBox::drop-down {{
    border: none;
    width: 20px;
    background-color: transparent;
}}

QComboBox::down-arrow {{
    image: none;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid {theme['accent']};
    width: 0;
    height: 0;
    margin-right: 5px;
}}

QComboBox QAbstractItemView {{
    background-color: {theme['surface_card']};
    border: 1px solid {theme['border_default']};
    border-radius: {radius['md']};
    selection-background-color: {theme['bg_selected']};
    selection-color: {theme['text_accent']};
    color: {theme['text_primary']};
}}

/* ==================== TABLES ==================== */
QTableWidget {{
    background-color: {theme['surface_card']};
    alternate-background-color: {theme['bg_secondary']};
    gridline-color: {theme['border_subtle']};
    border: none;
    color: {theme['text_primary']};
}}

QTableWidget::item {{
    padding: {spacing['sm']} {spacing['md']};
    color: {theme['text_primary']};
}}

QTableWidget::item:selected {{
    background-color: {theme['bg_selected']};
    color: {theme['text_accent']};
}}

QHeaderView::section {{
    background-color: {theme['bg_tertiary']};
    color: {theme['text_primary']};
    padding: {spacing['sm']} {spacing['md']};
    border: none;
    font-weight: {weights['semibold']};
    text-transform: uppercase;
    font-size: {sizes['sm']};
    letter-spacing: 0.5px;
}}

/* ==================== SCROLL AREAS ==================== */
QScrollArea {{
    background-color: {theme['bg_primary']};
    border: none;
}}

QScrollArea > QWidget > QWidget {{
    background-color: {theme['bg_primary']};
}}

/* ==================== SCROLLBARS ==================== */
QScrollBar:vertical {{
    background-color: {theme['scrollbar_bg']};
    width: 8px;
    border-radius: 4px;
}}

QScrollBar::handle:vertical {{
    background-color: {theme['scrollbar_handle']};
    min-height: 20px;
    border-radius: 4px;
}}

QScrollBar::handle:vertical:hover {{
    background-color: {theme['scrollbar_handle_hover']};
}}

QScrollBar:horizontal {{
    background-color: {theme['scrollbar_bg']};
    height: 8px;
    border-radius: 4px;
}}

QScrollBar::handle:horizontal {{
    background-color: {theme['scrollbar_handle']};
    min-width: 20px;
    border-radius: 4px;
}}

QScrollBar::handle:horizontal:hover {{
    background-color: {theme['scrollbar_handle_hover']};
}}

QScrollBar::add-line, QScrollBar::sub-line {{
    border: none;
    background: none;
}}

/* ==================== PROGRESS BAR ==================== */
QProgressBar {{
    background-color: {theme['bg_tertiary']};
    border: none;
    border-radius: 4px;
    height: 8px;
    text-align: center;
}}

QProgressBar::chunk {{
    background-color: {theme['accent']};
    border-radius: 4px;
}}

/* ==================== TOOLTIPS ==================== */
QToolTip {{
    background-color: {theme['bg_tertiary']};
    color: {theme['text_primary']};
    border: 1px solid {theme['border_default']};
    border-radius: {radius['md']};
    padding: {spacing['sm']} {spacing['sm']};
    font-size: {sizes['sm']};
}}

/* ==================== MESSAGE BOXES ==================== */
QMessageBox {{
    background-color: {theme['bg_primary']};
}}

QMessageBox QLabel {{
    color: {theme['text_primary']};
}}

QMessageBox QPushButton {{
    background-color: {theme['bg_tertiary']};
    color: {theme['text_primary']};
    border: 1px solid {theme['border_default']};
    border-radius: 4px;
    padding: 6px 20px;
    min-width: 80px;
    min-height: 26px;
    font-weight: {weights['medium']};
    text-transform: none;
}}

QMessageBox QPushButton:hover {{
    background-color: {theme['bg_hover']};
    border-color: {theme['accent']};
}}

/* Delete Buttons in Message Boxes */
QMessageBox QPushButton[text="Löschen"], QMessageBox QPushButton[text="Delete"] {{
    background-color: {theme['btn_danger_bg']};
    color: {theme['btn_danger_text']};
    border: none;
}}

/* ==================== STATUS BAR ==================== */
QStatusBar {{
    background-color: {theme['bg_secondary']};
    color: {theme['text_secondary']};
    font-size: {sizes['sm']};
    padding: {spacing['sm']};
    border-top: 1px solid {theme['border_subtle']};
}}

/* ==================== MENU BAR ==================== */
QMenuBar {{
    background-color: {theme['bg_primary']};
    color: {theme['text_primary']};
    padding: 4px;
}}

QMenuBar::item {{
    padding: {spacing['sm']} {spacing['md']};
    background-color: transparent;
    color: {theme['text_primary']};
}}

QMenuBar::item:selected {{
    background-color: {theme['bg_hover']};
    color: {theme['text_accent']};
}}

/* Logo button in menu bar */
QPushButton#logo_button {{
    background-color: transparent;
    border: none;
    padding: 5px;
}}

QPushButton#logo_button:hover {{
    background-color: {theme['bg_hover']};
    border-radius: {radius['sm']};
}}

QWidget#menubar_right_container {{
    background: transparent;
}}

/* ==================== CHECKBOXES & RADIO BUTTONS ==================== */
QCheckBox, QRadioButton {{
    spacing: 8px;
    color: {theme['text_primary']};
}}

QCheckBox::indicator, QRadioButton::indicator {{
    width: 20px;
    height: 20px;
    border: 2px solid {theme['border_strong']};
    background-color: {theme['input_bg']};
}}

QCheckBox::indicator {{
    border-radius: 4px;
}}

QRadioButton::indicator {{
    border-radius: 10px;
}}

QCheckBox::indicator:checked, QRadioButton::indicator:checked {{
    background-color: {theme['accent']};
    border-color: {theme['accent']};
}}

/* ==================== GROUP BOXES ==================== */
QGroupBox {{
    background-color: {theme['surface_card']};
    border: 1px solid {theme['border_default']};
    border-radius: {radius['xl']};
    padding: {spacing['xl']};
    margin-top: {spacing['md']};
    font-family: {fonts['primary']};
    font-weight: {weights['semibold']};
    color: {theme['text_primary']};
}}

QGroupBox::title {{
    color: {theme['text_accent']};
    font-size: {sizes['lg']};
    subcontrol-origin: margin;
    left: {spacing['md']};
    padding: 0 {spacing['sm']};
    background-color: {theme['surface_card']};
}}

/* ==================== TABS ==================== */
QTabWidget::pane {{
    background-color: {theme['bg_secondary']};
    border: none;
}}

QTabBar::tab {{
    background-color: transparent;
    color: {theme['text_secondary']};
    padding: {spacing['sm']} {spacing['lg']};
    font-size: {sizes['base']};
    font-weight: {weights['medium']};
    border: none;
}}

QTabBar::tab:hover {{
    background-color: {theme['bg_hover']};
    color: {theme['text_primary']};
}}

QTabBar::tab:selected {{
    color: {theme['text_accent']};
    background-color: transparent;
    border-bottom: 2px solid {theme['accent']};
    font-weight: {weights['semibold']};
}}

/* ==================== DIALOGS ==================== */
QDialog {{
    background-color: {theme['surface_modal']};
    color: {theme['text_primary']};
}}

/* ==================== LOG OUTPUT ==================== */
QTextEdit#log_output {{
    background-color: {theme['bg_tertiary']};
    color: {theme['text_primary']};
    font-family: {fonts['monospace']};
    font-size: {sizes['sm']};
    border: none;
    border-radius: {radius['md']};
    padding: {spacing['md']};
}}

/* ==================== BADGES ==================== */
QLabel#badge {{
    background-color: {theme['bg_tertiary']};
    color: {theme['text_primary']};
    padding: 4px 12px;
    border-radius: 12px;
    font-size: {sizes['xs']};
    font-weight: {weights['semibold']};
    text-transform: uppercase;
    letter-spacing: 0.5px;
}}

QLabel#badge_primary {{
    background-color: {theme['accent']};
    color: {theme['btn_primary_text']};
}}

QLabel#badge_success {{
    background-color: {theme['success']};
    color: #FFFFFF;
}}

QLabel#badge_warning {{
    background-color: {theme['warning']};
    color: #000000;
}}

QLabel#badge_error {{
    background-color: {theme['error']};
    color: #FFFFFF;
}}

/* ==================== ACCOUNTS OVERVIEW SPECIFIC ==================== */
QLabel#platform_header {{
    color: {theme['text_primary']};
    padding: 8px 0;
    font-family: {fonts['primary']};
    font-size: {sizes['lg']};
    font-weight: {weights['semibold']};
}}

QPushButton#delete_confirm_button {{
    background-color: {theme['error']};
    color: #FFFFFF;
    border: 1px solid {theme['error']};
    border-radius: {radius['sm']};
    padding: 6px 20px;
    min-width: 80px;
    min-height: 26px;
    font-weight: {weights['medium']};
}}

QPushButton#delete_confirm_button:hover {{
    background-color: {theme['error_dark']};
    border-color: {theme['error_dark']};
}}

QPushButton#delete_confirm_button:pressed {{
    background-color: {theme['error_dark']};
}}

/* ==================== ACCOUNT CARD ==================== */
QFrame#accountCard {{
    background-color: {theme['surface_card']};
    border: 2px solid {theme['border_default']};
    border-radius: {radius['md']};
    padding: 16px;
}}

QFrame#accountCard:hover {{
    border: 2px solid {theme['accent']};
}}

QFrame#accountCard[status="active"] {{
    background-color: {theme['success_bg']};
    border: 2px solid {theme['success']};
}}

QFrame#accountCard[status="active"]:hover {{
    border: 2px solid {theme['success']};
}}

QFrame#accountCard[status="inactive"] {{
    background-color: {theme['error_bg']};
    border: 2px solid {theme['error']};
}}

QFrame#accountCard[status="inactive"]:hover {{
    border: 2px solid {theme['error_dark']};
}}

QLabel#account_username {{
    color: {theme['text_primary']};
    font-family: {fonts['primary']};
    font-size: 16px;
    font-weight: {weights['semibold']};
}}

QLabel#account_detail_text {{
    color: {theme['text_secondary']};
    font-size: {sizes['sm']};
    font-family: {fonts['primary']};
}}

QLabel#account_date_text {{
    color: {theme['text_tertiary']};
    font-size: {sizes['xs']};
    font-family: {fonts['primary']};
}}

QPushButton#account_icon_btn {{
    background: transparent;
    border: none;
    padding: 2px;
    min-width: 20px;
    max-width: 20px;
    min-height: 20px;
    max-height: 20px;
}}

QPushButton#account_icon_btn:hover {{
    background-color: {theme['bg_hover']};
    border-radius: {radius['sm']};
}}

QPushButton#account_login_btn {{
    background-color: {theme['accent']};
    color: {theme['btn_primary_text']};
    border: none;
    border-radius: {radius['sm']};
    padding: 6px 16px;
    font-size: {sizes['xs']};
    font-weight: {weights['medium']};
    font-family: {fonts['primary']};
    min-width: 60px;
}}

QPushButton#account_login_btn:hover {{
    background-color: {theme['accent_hover']};
}}

QPushButton#account_login_btn:pressed {{
    background-color: {theme['accent_pressed']};
}}

QPushButton#account_export_btn {{
    background-color: {theme['success']};
    color: #FFFFFF;
    border: none;
    border-radius: {radius['sm']};
    padding: 4px 12px;
    font-size: {sizes['xs']};
    font-weight: {weights['medium']};
    font-family: {fonts['primary']};
    min-width: 120px;
    min-height: 36px;
    text-align: center;
}}

QPushButton#account_export_btn:hover {{
    background-color: {theme['success']};
    opacity: 0.9;
}}

QPushButton#account_export_btn:pressed {{
    background-color: {theme['success']};
    opacity: 0.8;
}}

QPushButton#account_delete_btn {{
    background-color: {theme['error']};
    color: #FFFFFF;
    border: none;
    border-radius: {radius['sm']};
    padding: 8px 16px;
    font-size: {sizes['xs']};
    font-weight: {weights['medium']};
    font-family: {fonts['primary']};
    min-width: 90px;
}}

QPushButton#account_delete_btn:hover {{
    background-color: {theme['error_dark']};
}}

QPushButton#account_delete_btn:pressed {{
    background-color: {theme['error_dark']};
    opacity: 0.9;
}}
"""
        
        return qss