#!/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.ui.widgets import (BaseWidget, BlendShapeList, BlendShapeControls, BlendShapeTools, IconButton, SliderWithValue)

try:
    from PySide2 import QtCore, QtGui, QtWidgets
    from shiboken2 import wrapInstance
    print("从PySide2加载Qt和shiboken2")
except ImportError:
    try:
        from PySide6 import QtCore, QtGui, QtWidgets
        from shiboken6 import wrapInstance
        print("从PySide6加载Qt和shiboken6")
    except ImportError:
        try:
            from PySide import QtCore, QtGui, QtWidgets
            from shiboken import wrapInstance
            print("从PySide加载Qt和shiboken")
        except ImportError as e:
            print(f"Qt加载失败: {str(e)}")
            QtCore = QtGui = QtWidgets = None
            wrapInstance = None

#===================================== 2. Adjust Tab Class =====================================
class AdjustTab(BaseWidget):
    """调整标签页"""
    def __init__(self, parent=None):
        super(AdjustTab, self).__init__(parent)
        
    def setup_ui(self):
        layout = QtWidgets.QVBoxLayout(self)
        
        # 创建分割器
        splitter = QtWidgets.QSplitter(QtCore.Qt.Vertical)
        layout.addWidget(splitter)
        
        # 上部分 - 主要BlendShape列表
        top_widget = QtWidgets.QWidget()
        top_layout = QtWidgets.QVBoxLayout(top_widget)
        
        # RowControl BlendShape列表
        self.main_bs_list = BlendShapeList("RowControl")
        top_layout.addWidget(self.main_bs_list)
        
        # BlendShape控制
        self.bs_controls = BlendShapeControls()
        top_layout.addWidget(self.bs_controls)
        
        splitter.addWidget(top_widget)
        
        # 下部分 - 相关BlendShape和工具
        bottom_widget = QtWidgets.QWidget()
        bottom_layout = QtWidgets.QVBoxLayout(bottom_widget)
        
        # Related BlendShape列表
        self.related_bs_list = BlendShapeList("Related Blend Shapes")
        bottom_layout.addWidget(self.related_bs_list)
        
        # BlendShape工具
        self.bs_tools = BlendShapeTools()
        bottom_layout.addWidget(self.bs_tools)
        
        # 表情控制工具栏
        expression_tools = self.create_expression_tools()
        bottom_layout.addWidget(expression_tools)
        
        splitter.addWidget(bottom_widget)
        
        # 设置分割器比例
        splitter.setStretchFactor(0, 2)
        splitter.setStretchFactor(1, 1)
        
        # 连接信号
        self.connect_signals()
        
    def create_expression_tools(self):
        """创建表情控制工具栏"""
        group = QtWidgets.QGroupBox("表情控制")
        layout = QtWidgets.QVBoxLayout(group)
        
        # 功能开关
        toggle_layout = QtWidgets.QHBoxLayout()
        
        toggles = [
            ("PSD", "psd.png"),
            ("BSE", "blendShape.png"),
            ("KEY", "centerCurrentTime.png"),
            ("MIR", "mirrorR.png"),
            ("ARK", "ARKit52.png"),
            ("CTR", "ctrl_hide.png")
        ]
        
        for text, icon in toggles:
            btn = IconButton(icon, text)
            btn.setCheckable(True)
            toggle_layout.addWidget(btn)
            
        layout.addLayout(toggle_layout)
        
        # 数值控制
        value_layout = QtWidgets.QHBoxLayout()
        
        self.expr_slider = SliderWithValue(min_val=0.0, max_val=1.0, default=0.0)
        value_layout.addWidget(self.expr_slider)
        
        self.expr_all_check = QtWidgets.QCheckBox("全部")
        value_layout.addWidget(self.expr_all_check)
        
        layout.addLayout(value_layout)
        
        # 表情控制按钮
        expr_layout = QtWidgets.QHBoxLayout()
        
        expr_btns = [
            ("还原默认表情", "reset.png", self.reset_expression),
            ("选择选择表情", "expressions_current.png", self.select_expression),
            ("写入当前表情", "expression.png", self.write_expression),
            ("控制面板查找", "controller.png", self.find_controller),
            ("选择关联关节", "kinJoint.png", self.select_joints),
            ("写入镜像表情", "ctrl_hide.png", self.write_mirror_expression)
        ]
        
        for text, icon, callback in expr_btns:
            btn = IconButton(icon, text)
            btn.clicked.connect(callback)
            expr_layout.addWidget(btn)
            
        layout.addLayout(expr_layout)
        
        return group
        
    def connect_signals(self):
        """连接信号"""
        # BlendShape列表选择变化
        self.main_bs_list.list_widget.itemSelectionChanged.connect(
            self.on_main_selection_changed)
        self.related_bs_list.list_widget.itemSelectionChanged.connect(
            self.on_related_selection_changed)
            
        # 数值变化
        self.bs_controls.value_slider.valueChanged.connect(
            self.on_bs_value_changed)
        self.expr_slider.valueChanged.connect(
            self.on_expr_value_changed)
            
    # 回调函数
    def on_main_selection_changed(self):
        """主BlendShape列表选择变化"""
        from scripts.utils import adjust_utils
        items = self.main_bs_list.list_widget.selectedItems()
        adjust_utils.on_main_bs_selected([item.text() for item in items])
        
    def on_related_selection_changed(self):
        """相关BlendShape列表选择变化"""
        from scripts.utils import adjust_utils
        items = self.related_bs_list.list_widget.selectedItems()
        adjust_utils.on_related_bs_selected([item.text() for item in items])
        
    def on_bs_value_changed(self, value):
        """BlendShape权重变化"""
        from scripts.utils import adjust_utils
        adjust_utils.set_bs_value(value)
        
    def on_expr_value_changed(self, value):
        """表情权重变化"""
        from scripts.utils import adjust_utils
        adjust_utils.set_expr_value(value)
        
    # 表情控制回调
    def reset_expression(self):
        """还原默认表情"""
        from scripts.utils import adjust_utils
        adjust_utils.reset_expression()
        
    def select_expression(self):
        """选择表情"""
        from scripts.utils import adjust_utils
        adjust_utils.select_expression()
        
    def write_expression(self):
        """写入当前表情"""
        from scripts.utils import adjust_utils
        adjust_utils.write_expression()
        
    def find_controller(self):
        """查找控制器"""
        from scripts.utils import adjust_utils
        adjust_utils.find_controller()
        
    def select_joints(self):
        """选择关联关节"""
        from scripts.utils import adjust_utils
        adjust_utils.select_joints()
        
    def write_mirror_expression(self):
        """写入镜像表情"""
        from scripts.utils import adjust_utils
        adjust_utils.write_mirror_expression()