from PyQt5.QtWidgets import (QMainWindow, QWidget, QVBoxLayout, QHBoxLayout, QLabel,
                            QPushButton, QTextEdit, QGroupBox, QFormLayout, QScrollArea)
from PyQt5.QtCore import Qt
from qfluentwidgets import (InfoBar, InfoBarPosition, TitleLabel, SubtitleLabel,
                          PrimaryPushButton, PushButton)
import json

class AppDetailWindow(QMainWindow):
    def __init__(self, api_client, app_id, parent=None):
        super().__init__(parent)
        self.api_client = api_client
        self.app_id = app_id
        self.parent_window = parent
        
        # 设置窗口属性
        self.setWindowTitle("应用详情")
        self.resize(800, 600)
        
        # 创建中心部件
        self.central_widget = QWidget()
        self.setCentralWidget(self.central_widget)
        
        # 创建主布局
        self.main_layout = QVBoxLayout(self.central_widget)
        
        # 创建标题区域
        self.title_layout = QHBoxLayout()
        self.title_label = TitleLabel("应用详情")
        self.close_button = PushButton("关闭")
        self.close_button.clicked.connect(self.close)
        
        self.title_layout.addWidget(self.title_label)
        self.title_layout.addStretch()
        self.title_layout.addWidget(self.close_button)
        
        # 创建滚动区域
        self.scroll_area = QScrollArea()
        self.scroll_area.setWidgetResizable(True)
        self.scroll_content = QWidget()
        self.scroll_layout = QVBoxLayout(self.scroll_content)
        
        # 添加滚动区域到主布局
        self.scroll_area.setWidget(self.scroll_content)
        
        # 将标题区域和滚动区域添加到主布局
        self.main_layout.addLayout(self.title_layout)
        self.main_layout.addWidget(self.scroll_area)
        
        # 加载应用详情
        self.load_app_detail()
    
    def load_app_detail(self):
        """加载应用详情"""
        try:
            # 这里应该调用API获取应用详情
            # 暂时使用模拟数据
            app_data = {
                "id": self.app_id,
                "name": "示例应用",
                "description": "这是一个示例应用，用于展示应用详情页面",
                "developer_id": "1",
                "developer_name": "示例开发者",
                "status": "approved",
                "version": "1.0.0",
                "created_at": "2023-01-01 10:00:00"
            }
            
            # 清空滚动区域
            for i in reversed(range(self.scroll_layout.count())):
                widget = self.scroll_layout.itemAt(i).widget()
                if widget is not None:
                    widget.setParent(None)
                    widget.deleteLater()
            
            # 显示应用基本信息
            self.display_app_info(app_data)
            
            # 显示应用描述
            self.display_app_description(app_data)
            
            # 显示操作按钮
            self.display_action_buttons()
            
        except Exception as e:
            InfoBar.error(
                title="错误",
                content=f"加载应用详情失败: {str(e)}",
                orient=Qt.Horizontal,
                isClosable=True,
                position=InfoBarPosition.TOP,
                duration=3000,
                parent=self
            )
    
    def display_app_info(self, app_data):
        """显示应用基本信息"""
        info_group = QGroupBox("基本信息")
        info_layout = QFormLayout()
        
        # 设置表单布局标签对齐
        info_layout.setLabelAlignment(Qt.AlignRight | Qt.AlignVCenter)
        
        # 添加基本信息字段
        info_layout.addRow("应用ID:", QLabel(app_data.get("id", "--")))
        info_layout.addRow("应用名称:", QLabel(app_data.get("name", "--")))
        info_layout.addRow("开发者ID:", QLabel(app_data.get("developer_id", "--")))
        info_layout.addRow("开发者名称:", QLabel(app_data.get("developer_name", "--")))
        info_layout.addRow("应用状态:", QLabel(app_data.get("status", "--")))
        info_layout.addRow("当前版本:", QLabel(app_data.get("version", "--")))
        info_layout.addRow("创建时间:", QLabel(app_data.get("created_at", "--")))
        
        info_group.setLayout(info_layout)
        self.scroll_layout.addWidget(info_group)
    
    def display_app_description(self, app_data):
        """显示应用描述"""
        description_group = QGroupBox("应用描述")
        description_layout = QVBoxLayout()
        
        description_text = QTextEdit()
        description_text.setReadOnly(True)
        description_text.setPlainText(app_data.get("description", "无描述信息"))
        
        description_layout.addWidget(description_text)
        description_group.setLayout(description_layout)
        self.scroll_layout.addWidget(description_group)
    
    def display_action_buttons(self):
        """显示操作按钮"""
        buttons_layout = QHBoxLayout()
        buttons_layout.addStretch()
        
        refresh_button = PushButton("刷新")
        refresh_button.clicked.connect(self.load_app_detail)
        
        buttons_layout.addWidget(refresh_button)
        self.scroll_layout.addLayout(buttons_layout)
    
    def closeEvent(self, event):
        """关闭窗口事件"""
        # 如果需要在关闭时执行清理操作，可以在这里添加
        event.accept()