from PyQt5.QtCore import Qt
from PyQt5.QtWidgets import QWidget, QComboBox, QListView, QHBoxLayout, QVBoxLayout
from UI.Setting.SearchDeviceWidget import  DeviceMasterWidget, DeviceSlaveWidget

class CustomBox(QComboBox):
    def __init__(self):
        super(CustomBox, self).__init__()
        self.setCursor(Qt.PointingHandCursor)
        self.setView(QListView())


    def showPopup(self):
        super(CustomBox, self).showPopup()
        pop = self.children()[1]
        pop.move(pop.x(), pop.y() + 51)


class RemoteConnectSettingWidget(QWidget):
    BORDER_WIDTH = 5

    def __init__(self):
 
        super().__init__()
        
        # 主布局改为垂直布局（包含ComboBox和内容区）
        self.mainLayout = QVBoxLayout(self)
        self.mainLayout.setObjectName("mainLayout")
        
        # 添加模式选择 ComboBox（水平居中）
        self.modeComboBox = QComboBox()
        self.modeComboBox.addItem("主站模式")
        self.modeComboBox.addItem("从站模式")
        self.modeComboBox.setObjectName("setBox")
        self.modeComboBox.currentTextChanged.connect(self.switchMode)
        
        # 将ComboBox放在顶部并水平居中
        hboxCombo = QHBoxLayout()
        hboxCombo.addStretch()  # 左侧弹簧
        hboxCombo.addWidget(self.modeComboBox)
        hboxCombo.addStretch()  # 右侧弹簧
        self.mainLayout.addLayout(hboxCombo)
        
   
        self.contentLayout = QHBoxLayout()
        
        # 存储两种模式的Widget
        self.deviceMasterWidget = DeviceMasterWidget()  # 主站模式
        self.deviceSlaveWidget = DeviceSlaveWidget()            # 从站模式
        
        # 初始显示主站模式
        self.currentWidget = self.deviceMasterWidget
        self.contentLayout.addStretch()  # 左侧弹簧
        self.contentLayout.addWidget(self.currentWidget)
        self.contentLayout.addStretch()  # 右侧弹簧
        
        self.mainLayout.addLayout(self.contentLayout)
        self.mainLayout.addStretch()  # 底部弹簧（将内容向上推）

    def switchMode(self, mode):
        """切换主站/从站模式，自动关闭另一端"""
        # 关闭当前Widget对应的服务/客户端
        if self.currentWidget == self.deviceMasterWidget:
            # 主站切换到从站，关闭服务端
            from utils import Globals
            protocolManage = Globals.getValue('protocolManage')
            if protocolManage and hasattr(protocolManage, 'closeServer'):
                protocolManage.closeServer()
        else:
            # 从站切换到主站，关闭客户端
            from utils import Globals
            protocolManage = Globals.getValue('protocolManage')
            if protocolManage and hasattr(protocolManage, 'closeClient'):
                protocolManage.closeClient()
        # 移除当前Widget
        self.contentLayout.removeWidget(self.currentWidget)
        self.currentWidget.hide()
        # 根据选择显示对应的Widget
        if mode == "主站模式":
            self.currentWidget = self.deviceMasterWidget
        else:
            self.currentWidget = self.deviceSlaveWidget
        # 重新添加Widget（保持居中）
        self.contentLayout.insertWidget(1, self.currentWidget)  # 插入到两个弹簧中间
        self.currentWidget.show()