from PyQt6.QtWidgets import (QWidget, QVBoxLayout, QHBoxLayout, 
                            QLabel, QPushButton, QLineEdit, QComboBox,
                            QSpinBox, QCheckBox, QFrame)
from PyQt6.QtCore import Qt
from ..styles.page import BasePage
from ..styles.theme import Colors, Spacing, Fonts
from ..styles.icons import IconManager, IconType
from ..styles.theme_manager import ThemeManager

class SettingsSection(QFrame):
    def __init__(self, title: str, parent=None):
        super().__init__(parent)
        self.title = title
        self.theme_manager = ThemeManager.get_instance()
        self.setup_ui()
        
    def setup_ui(self):
        """Настройка UI секции настроек"""
        colors = self.theme_manager.current_theme.get_colors()
        spacing = self.theme_manager.current_theme.get_spacing()
        
        # Основной layout
        layout = QVBoxLayout(self)
        layout.setContentsMargins(16, 16, 16, 16)
        layout.setSpacing(16)
        
        # Заголовок секции
        title_label = QLabel(self.title)
        title_label.setStyleSheet(f"""
            QLabel {{
                color: {colors['text']};
                font-size: 18px;
                font-weight: bold;
            }}
        """)
        layout.addWidget(title_label)
        
        # Контейнер для содержимого
        self.content_layout = QVBoxLayout()
        self.content_layout.setSpacing(12)
        layout.addLayout(self.content_layout)
        
        # Стили
        self.setStyleSheet(f"""
            QFrame {{
                background-color: {colors['surface']};
                border: 1px solid {colors['border']};
                border-radius: {spacing.MEDIUM}px;
            }}
        """)

class SettingsPage(BasePage):
    def __init__(self, parent=None):
        super().__init__(parent)
        self.theme_manager = ThemeManager.get_instance()
        self.setup_content()
        
    def setup_content(self):
        """Настройка содержимого страницы"""
        colors = self.theme_manager.current_theme.get_colors()
        spacing = self.theme_manager.current_theme.get_spacing()
        
        # Заголовок
        header = QLabel("Настройки")
        header.setStyleSheet(f"""
            QLabel {{
                color: {colors['text']};
                font-size: 24px;
                font-weight: bold;
            }}
        """)
        self.layout.addWidget(header)
        
        # API настройки
        api_section = SettingsSection("API")
        
        api_url_layout = QVBoxLayout()
        api_url_label = QLabel("URL API:")
        api_url_label.setStyleSheet(f"color: {colors['text']};")
        self.api_url_input = QLineEdit()
        self.api_url_input.setPlaceholderText("http://localhost:7860")
        api_url_layout.addWidget(api_url_label)
        api_url_layout.addWidget(self.api_url_input)
        api_section.content_layout.addLayout(api_url_layout)
        
        self.layout.addWidget(api_section)
        
        # UI настройки
        ui_section = SettingsSection("Интерфейс")
        
        # Тема
        theme_layout = QVBoxLayout()
        theme_label = QLabel("Тема:")
        theme_label.setStyleSheet(f"color: {colors['text']};")
        self.theme_combo = QComboBox()
        self.theme_combo.addItems(["Тёмная", "Светлая"])
        theme_layout.addWidget(theme_label)
        theme_layout.addWidget(self.theme_combo)
        ui_section.content_layout.addLayout(theme_layout)
        
        # Размер шрифта
        font_size_layout = QVBoxLayout()
        font_size_label = QLabel("Размер шрифта:")
        font_size_label.setStyleSheet(f"color: {colors['text']};")
        self.font_size_spin = QSpinBox()
        self.font_size_spin.setRange(10, 24)
        self.font_size_spin.setValue(14)
        font_size_layout.addWidget(font_size_label)
        font_size_layout.addWidget(self.font_size_spin)
        ui_section.content_layout.addLayout(font_size_layout)
        
        self.layout.addWidget(ui_section)
        
        # Настройки генерации
        generation_section = SettingsSection("Генерация")
        
        # Качество по умолчанию
        quality_layout = QVBoxLayout()
        quality_label = QLabel("Качество по умолчанию:")
        quality_label.setStyleSheet(f"color: {colors['text']};")
        self.quality_combo = QComboBox()
        self.quality_combo.addItems(["Низкое", "Среднее", "Высокое"])
        quality_layout.addWidget(quality_label)
        quality_layout.addWidget(self.quality_combo)
        generation_section.content_layout.addLayout(quality_layout)
        
        # Размер по умолчанию
        size_layout = QVBoxLayout()
        size_label = QLabel("Размер по умолчанию:")
        size_label.setStyleSheet(f"color: {colors['text']};")
        self.size_combo = QComboBox()
        self.size_combo.addItems(["512x512", "768x768", "1024x1024"])
        size_layout.addWidget(size_label)
        size_layout.addWidget(self.size_combo)
        generation_section.content_layout.addLayout(size_layout)
        
        self.layout.addWidget(generation_section)
        
        # Кнопки
        buttons_layout = QHBoxLayout()
        
        self.save_btn = QPushButton("Сохранить")
        self.save_btn.setMinimumWidth(150)
        self.save_btn.setStyleSheet(f"""
            QPushButton {{
                background-color: {colors['primary']};
                color: white;
                border: none;
                border-radius: {spacing.TINY}px;
                padding: {spacing.SMALL}px {spacing.MEDIUM}px;
            }}
            
            QPushButton:hover {{
                background-color: {colors['hover']};
            }}
            
            QPushButton:pressed {{
                background-color: {colors['active']};
            }}
        """)
        buttons_layout.addWidget(self.save_btn)
        
        self.reset_btn = QPushButton("Сбросить")
        self.reset_btn.setMinimumWidth(150)
        self.reset_btn.setStyleSheet(f"""
            QPushButton {{
                background-color: transparent;
                color: {colors['primary']};
                border: 1px solid {colors['primary']};
                border-radius: {spacing.TINY}px;
                padding: {spacing.SMALL}px {spacing.MEDIUM}px;
            }}
            
            QPushButton:hover {{
                background-color: {colors['hover']};
                color: white;
                border: none;
            }}
            
            QPushButton:pressed {{
                background-color: {colors['active']};
                color: white;
                border: none;
            }}
        """)
        buttons_layout.addWidget(self.reset_btn)
        
        buttons_layout.addStretch()
        
        self.layout.addLayout(buttons_layout)
        
        # Растягиваем пространство
        self.layout.addStretch()