#!/usr/bin/env python
# -*- coding: utf-8 -*-

#===================================== 1. Module Imports =====================================
import maya.cmds as cmds
import maya.mel as mel
import sys
import os
from scripts.config import data

try:
    from PySide2 import QtCore, QtGui, QtWidgets
    from shiboken2 import wrapInstance
except ImportError:
    try:
        from PySide6 import QtCore, QtGui, QtWidgets
        from shiboken6 import wrapInstance
    except ImportError:
        try:
            from PySide import QtCore, QtGui, QtWidgets
            from shiboken import wrapInstance
        except ImportError as e:
            QtCore = QtGui = QtWidgets = None
            wrapInstance = None
#===================================== 2. Base Widget Class =====================================
class BaseWidget(QtWidgets.QWidget):
    """基础控件类"""
    def __init__(self, parent=None):
        super(BaseWidget, self).__init__(parent)
        self.SPACING = 4
        self.MARGINS = 6
        self.setup_ui()
        
    def setup_ui(self):
        pass

class IconButton(QtWidgets.QPushButton):
    """图标按钮"""
    def __init__(self, icon_name, text, callback=None, parent=None):
        super(IconButton, self).__init__(text, parent)
        
        # 设置图标
        if icon_name:
            icon_path = os.path.join(data.ICONS_PATH, icon_name)
            if os.path.exists(icon_path):
                self.setIcon(QtGui.QIcon(icon_path))
                
        # 连接回调
        if callback:
            self.clicked.connect(lambda checked=False, cb=callback: cb())

class LODGroup(QtWidgets.QGroupBox):
    """LOD分组控件"""
    def __init__(self, lod_index, parent=None):
        super(LODGroup, self).__init__(parent)
        self.lod_index = lod_index
        self.setTitle(f"LOD{lod_index}")
        self.setup_ui()
        
    def setup_ui(self):
        layout = QtWidgets.QVBoxLayout(self)
        layout.setSpacing(4)
        layout.setContentsMargins(6, 6, 6, 6)

class SearchLineEdit(QtWidgets.QLineEdit):
    """搜索输入框"""
    def __init__(self, parent=None):
        super(SearchLineEdit, self).__init__(parent)
        self.setPlaceholderText("搜索...")
        self.setClearButtonEnabled(True)

class BlendShapeList(QtWidgets.QGroupBox):
    """BlendShape列表控件"""
    def __init__(self, title, parent=None):
        super(BlendShapeList, self).__init__(title, parent)
        self.setup_ui()
        
    def setup_ui(self):
        layout = QtWidgets.QVBoxLayout(self)
        self.list_widget = QtWidgets.QListWidget()
        layout.addWidget(self.list_widget)

class BlendShapeControls(QtWidgets.QGroupBox):
    """BlendShape控制控件"""
    def __init__(self, parent=None):
        super(BlendShapeControls, self).__init__("控制", parent)
        self.setup_ui()
        
    def setup_ui(self):
        layout = QtWidgets.QVBoxLayout(self)
        self.value_slider = QtWidgets.QSlider(QtCore.Qt.Horizontal)
        layout.addWidget(self.value_slider)

class DNABrowser(QtWidgets.QGroupBox):
    """DNA浏览器控件"""
    dnaSelected = QtCore.Signal(str)
    
    def __init__(self, parent=None):
        super(DNABrowser, self).__init__("DNA浏览器", parent)
        self.setup_ui()
        
    def setup_ui(self):
        layout = QtWidgets.QVBoxLayout(self)
        self.list_widget = QtWidgets.QListWidget()
        layout.addWidget(self.list_widget)
    
    def selectedItems(self):
        """获取选中项"""
        return self.list_widget.selectedItems()
        
    def itemSelectionChanged(self):
        """选择变化信号"""
        return self.list_widget.itemSelectionChanged()
        
    def connect(self, callback):
        """连接选择变化信号"""
        self.list_widget.itemSelectionChanged.connect(callback)

class DescriptionWidget(QtWidgets.QGroupBox):
    """描述控件"""
    def __init__(self, parent=None):
        super(DescriptionWidget, self).__init__("描述", parent)
        self.setup_ui()
        
    def setup_ui(self):
        layout = QtWidgets.QVBoxLayout(self)
        self.text_edit = QtWidgets.QTextEdit()
        self.text_edit.setReadOnly(True)
        layout.addWidget(self.text_edit)

class SliderWithValue(QtWidgets.QWidget):
    """带数值显示的滑块"""
    valueChanged = QtCore.Signal(float)
    
    def __init__(self, min_val=0.0, max_val=1.0, default=0.0, parent=None):
        super(SliderWithValue, self).__init__(parent)
        self.setup_ui(min_val, max_val, default)
        
    def setup_ui(self, min_val, max_val, default):
        layout = QtWidgets.QHBoxLayout(self)
        layout.setContentsMargins(0, 0, 0, 0)
        
        self.slider = QtWidgets.QSlider(QtCore.Qt.Horizontal)
        self.slider.setRange(int(min_val * 100), int(max_val * 100))
        self.slider.setValue(int(default * 100))
        
        self.value_label = QtWidgets.QLabel(f"{default:.2f}")
        self.value_label.setMinimumWidth(40)
        
        layout.addWidget(self.slider)
        layout.addWidget(self.value_label)
        
        self.slider.valueChanged.connect(self._on_slider_changed)
        
    def _on_slider_changed(self, value):
        float_value = value / 100.0
        self.value_label.setText(f"{float_value:.2f}")
        self.valueChanged.emit(float_value)

class ModernTabWidget(QtWidgets.QTabWidget):
    """现代风格标签页控件"""
    def __init__(self, parent=None):
        super(ModernTabWidget, self).__init__(parent)
        self.setTabBar(TabBar())
        self.setDocumentMode(True)
        self.setMovable(True)
        
class TabBar(QtWidgets.QTabBar):
    """自定义标签栏"""
    def __init__(self, parent=None):
        super(TabBar, self).__init__(parent)
        self.setDrawBase(False)
        self.setExpanding(False)

class ModernToolBar(QtWidgets.QToolBar):
    """现代风格工具栏"""
    def __init__(self, parent=None):
        super(ModernToolBar, self).__init__(parent)
        self.setMovable(False)
        self.setFloatable(False)
        self.setIconSize(QtCore.QSize(16, 16))
        
    def addAction(self, icon, text, callback):
        """添加工具栏按钮"""
        action = QtWidgets.QAction(text, self)
        if icon:
            icon_path = os.path.join(data.ICONS_PATH, icon)
            if os.path.exists(icon_path):
                action.setIcon(QtGui.QIcon(icon_path))
        action.triggered.connect(callback)
        super(ModernToolBar, self).addAction(action)
        return action
        
    def addStretch(self):
        """添加弹性空间"""
        spacer = QtWidgets.QWidget()
        spacer.setSizePolicy(QtWidgets.QSizePolicy.Expanding, 
                           QtWidgets.QSizePolicy.Preferred)
        self.addWidget(spacer)

class GradientGroupBox(QtWidgets.QGroupBox):
    """渐变背景分组框"""
    def __init__(self, title, parent=None):
        super(GradientGroupBox, self).__init__(title, parent)

class ModernComboBox(QtWidgets.QComboBox):
    """现代风格下拉框"""
    def __init__(self, parent=None):
        super(ModernComboBox, self).__init__(parent)

class ModernLabel(QtWidgets.QLabel):
    """现代风格标签"""
    def __init__(self, text, parent=None):
        super(ModernLabel, self).__init__(text, parent)

class ModernLineEdit(QtWidgets.QLineEdit):
    """现代风格输入框"""
    def __init__(self, read_only=False, parent=None):
        super(ModernLineEdit, self).__init__(parent)
        self.setReadOnly(read_only)

class ModernToolButton(QtWidgets.QToolButton):
    """现代风格工具按钮"""
    def __init__(self, icon, text, parent=None):
        super(ModernToolButton, self).__init__(parent)
        self.setText(text)
        if icon:
            icon_path = os.path.join(data.ICONS_PATH, icon)
            if os.path.exists(icon_path):
                self.setIcon(QtGui.QIcon(icon_path))
                self.setIconSize(QtCore.QSize(16, 16))