import os
import time
import logging
import threading

from .plugin_registry import Event
from PySide6.QtWidgets import QFrame
from PySide6.QtCore import Signal
from .plugins_card_ui import Ui_FramePluginsCard

logger = logging.getLogger(__name__)


def parse_version(version: str) -> tuple:
    """将版本字符串解析为可比较的元组，如 '1.10.0' -> (1, 10, 0)。

    非数字段保持原样（字符串与整数混排时按元组规则比较，足够覆盖
    常见的 '1.0.0' / '1.10.3' 场景）。None/空值/解析失败返回 (0,)，
    视为最低版本。
    """
    if not version:
        return (0,)
    try:
        parts = []
        for seg in str(version).split('.'):
            seg = seg.strip()
            if seg.isdigit():
                parts.append(int(seg))
            else:
                parts.append(seg)
        return tuple(parts) if parts else (0,)
    except Exception:
        return (0,)


class PluginsCard(QFrame, Ui_FramePluginsCard):
    """工具卡片类

    继承自 QFrame（Qt 帧基类）和 Ui_FrameToolCard（Qt Designer 生成的 UI 界面）
    负责显示工具的卡片界面，包含工具的图标、名称和描述。
    """
    send_event_signal = Signal(Event,str)
    def __init__(self, name: str, info:dict, parent=None) -> None:
        super().__init__(parent)
        self.setupUi(self)

        self.name = name
        self.info = info

        self.initUI()

    def initUI(self):
        self.refresh()
        self.textBrowser.setReadOnly(True)
        self.pushButtonUpdate.clicked.connect(self.on_update_event)
        self.pushButtonInstall.clicked.connect(self.on_install_event)
        self.pushButtonUninstall.clicked.connect(self.on_uninstall_event)

    def refresh(self) -> None:
        """根据 info 刷新卡片显示与按钮状态。"""
        self.textBrowser.setMarkdown(self.to_card())
        installed = self.info.get("local version") is not None
        self.pushButtonInstall.setEnabled(not installed)
        self.pushButtonUninstall.setEnabled(installed)
        if installed:
            remote = parse_version(self.info.get('remote version'))
            local = parse_version(self.info.get('local version'))
            self.pushButtonUpdate.setEnabled(remote > local)
        else:
            self.pushButtonUpdate.setEnabled(False)

    def to_card(self):
        remote_ver = self.info.get('remote version')
        local_ver = self.info.get('local version')
        desc = self.info.get('remote description') or self.info.get('local description') or '暂无'

        card = f"# {self.name}\n\n"
        card += f"**最新:** V{remote_ver}\n\n" if remote_ver else f"**最新:** 暂无版本信息\n\n"
        if local_ver is None:
            card += f"**当前:** 未安装!\n\n"
        else:
            card += f"**当前:** V{local_ver}\n\n"
        card += f"**描述:** {desc}"
        return card

    def on_install_event(self):
        self.send_event_signal.emit(Event.Install, self.name)

    def on_uninstall_event(self):
        self.send_event_signal.emit(Event.Uninstall, self.name)
    
    def on_update_event(self):
        self.send_event_signal.emit(Event.Update, self.name)