from PySide6.QtWidgets import (QWidget, QListWidget, QStyledItemDelegate, 
                              QApplication, QVBoxLayout, QMenu, QListWidgetItem,
                              QStyle)
from PySide6.QtCore import Qt, QSize, QRect, QPoint
from PySide6.QtGui import (QPainter, QPainterPath, QColor, QLinearGradient, 
                          QPen, QFont, QIcon)
from component.widget_card.ui_widget_card import CardItemDelegate

from dataclasses import dataclass
import sys
from datetime import date
import os
import subprocess

@dataclass
class CardData:
    name: str
    date: str
    description: str
    activated: bool = False

class Widget_Card(QWidget):
    def __init__(self):
        super().__init__()
        self.setup_ui()
        self.setup_style()
        
    def setup_ui(self):
        self.setWindowTitle("卡片列表示例")
        self.resize(400, 600)

        layout = QVBoxLayout(self)
        layout.setContentsMargins(10, 10, 10, 10)
        layout.setSpacing(0)

        self.list_widget = QListWidget(self)
        self.list_widget.setSpacing(10)
        self.list_widget.setResizeMode(QListWidget.ResizeMode.Adjust)
        self.list_widget.setUniformItemSizes(False)
        self.list_widget.setViewMode(QListWidget.ViewMode.ListMode)
        self.list_widget.setVerticalScrollMode(QListWidget.ScrollMode.ScrollPerPixel)
        self.list_widget.setHorizontalScrollBarPolicy(Qt.ScrollBarPolicy.ScrollBarAlwaysOff)

        delegate = CardItemDelegate(self.list_widget)
        self.list_widget.setItemDelegate(delegate)

        # 连接信号
        self.list_widget.itemDoubleClicked.connect(self.on_item_double_clicked)
        self.list_widget.setContextMenuPolicy(Qt.ContextMenuPolicy.CustomContextMenu)
        self.list_widget.customContextMenuRequested.connect(self.show_context_menu)

        layout.addWidget(self.list_widget)

    def setup_style(self):
        self.setStyleSheet("""
            QWidget {
                background-color: #1e1e1e;
            }
            QListWidget {
                background-color: #1e1e1e;
                border: none;
                outline: none;
            }
            QListWidget::item {
                background-color: transparent;
                padding: 4px;
            }
            QListWidget::item:selected {
                background-color: transparent;
            }
            QScrollBar:vertical {
                border: none;
                background: #1e1e1e;
                width: 8px;
                margin: 0px;
            }
            QScrollBar::handle:vertical {
                background: #404040;
                min-height: 20px;
                border-radius: 4px;
            }
            QScrollBar::add-line:vertical, QScrollBar::sub-line:vertical {
                height: 0px;
            }
            QScrollBar::add-page:vertical, QScrollBar::sub-page:vertical {
                background: none;
            }
            QMenu {
                background-color: #2d2d2d;
                border: 1px solid #404040;
                padding: 5px;
            }
            QMenu::item {
                background-color: transparent;
                padding: 6px 25px;
                border-radius: 4px;
                color: #ffffff;
            }
            QMenu::item:selected {
                background-color: #404040;
            }
            QMenu::separator {
                height: 1px;
                background: #404040;
                margin: 5px 0px;
            }
        """)

    def add_card_item(self, data: CardData):
        item = QListWidgetItem(self.list_widget)
        item.setData(Qt.ItemDataRole.UserRole, data)
        item.setSizeHint(QSize(380, 120))
        item.setFlags(Qt.ItemFlag.ItemIsEnabled | Qt.ItemFlag.ItemIsSelectable)

    def on_item_double_clicked(self, item):
        # 先将所有项目设置为未激活状态
        for row in range(self.list_widget.count()):
            current_item = self.list_widget.item(row)
            data = current_item.data(Qt.ItemDataRole.UserRole)
            data.activated = False
            current_item.setData(Qt.ItemDataRole.UserRole, data)

        # 设置当前点击项目为激活状态
        data = item.data(Qt.ItemDataRole.UserRole)
        data.activated = True
        item.setData(Qt.ItemDataRole.UserRole, data)

        self.list_widget.viewport().update()

    def show_context_menu(self, pos: QPoint):
        item = self.list_widget.itemAt(pos)
        if not item:
            return

        menu = QMenu(self)
        send_action = menu.addAction("发送到设备")
        menu.addSeparator()
        edit_action = menu.addAction("修改")
        delete_action = menu.addAction("删除")
        menu.addSeparator()
        show_in_explorer_action = menu.addAction("在资源管理器中显示")

        # 设置图标
        send_action.setIcon(QIcon.fromTheme("document-send"))
        edit_action.setIcon(QIcon.fromTheme("document-edit"))
        delete_action.setIcon(QIcon.fromTheme("document-delete"))
        show_in_explorer_action.setIcon(QIcon.fromTheme("folder"))

        action = menu.exec(self.list_widget.viewport().mapToGlobal(pos))
        if not action:
            return

        if action == send_action:
            self.send_to_device(item)
        elif action == edit_action:
            self.edit_item(item)
        elif action == delete_action:
            self.delete_item(item)
        elif action == show_in_explorer_action:
            self.show_in_explorer(item)

    def send_to_device(self, item):
        data = item.data(Qt.ItemDataRole.UserRole)
        print(f"发送到设备: {data.name}")

    def edit_item(self, item):
        data = item.data(Qt.ItemDataRole.UserRole)
        print(f"编辑项目: {data.name}")

    def delete_item(self, item):
        row = self.list_widget.row(item)
        self.list_widget.takeItem(row)

    def show_in_explorer(self, item):
        path = os.getcwd()
        if sys.platform == 'win32':
            subprocess.run(['explorer', '/select,', os.path.normpath(path)])
        elif sys.platform == 'darwin':
            subprocess.run(['open', '-R', path])
        else:
            subprocess.run(['xdg-open', os.path.dirname(path)])

if __name__ == '__main__':
    app = QApplication(sys.argv)
    
    # 设置字体
    font = QFont("Microsoft YaHei", 9)
    app.setFont(font)
    
    window = Widget_Card()

     # 添加示例数据
    for i in range(1, 11):
        data = CardData(
            name=f"项目 {i}",
            date=date.today().strftime("%Y-%m-%d"),
            description=f"这是项目 {i} 的详细描述信息，可以包含多行文本内容。这是一个较长的描述，用于测试换行效果。"
        )
        window.add_card_item(data)

    window.show()
    
    sys.exit(app.exec())