# coding: utf-8

from loguru import logger
from PyQt6.QtCore import Qt
from PyQt6.QtWidgets import QVBoxLayout, QWidget
from qfluentwidgets import (
    BreadcrumbBar,
    setFont,
)

from app.view.components.linkage_switching import OwnFileLinkageSwitching


class OwnFileScrollWidget(QWidget):
    def __init__(self, parent=None):
        super().__init__(parent=parent)
        self.currentPath = "/"

        self.breadcrumbBar = BreadcrumbBar(self)
        self.ownFileLinkageSwitching = OwnFileLinkageSwitching("/", self)

        self.__initWidget()

    def __initWidget(self):
        self.setObjectName("OwnFileScrollWidget")

        self.breadcrumbBar.addItem("/", "/")
        setFont(self.breadcrumbBar, 18)
        self.breadcrumbBar.currentItemChanged.connect(self.clickChangeDir)
        self.breadcrumbBar.setSpacing(15)
        self.__initLayout()

    def __initLayout(self):
        self.vBoxLayout = QVBoxLayout(self)
        self.vBoxLayout.setContentsMargins(0, 0, 0, 0)
        self.vBoxLayout.setSpacing(5)
        self.vBoxLayout.addWidget(self.breadcrumbBar, 0, Qt.AlignmentFlag.AlignTop)
        self.vBoxLayout.addWidget(self.ownFileLinkageSwitching)

    def loadDict(self, paths):
        self.ownFileLinkageSwitching.loadDict(paths)

    def onChangeDir(self, path):
        """处理目录变更"""
        logger.info(f"变更目录: {path}")
        if path == "":
            self.currentPath = "/"
        else:
            self.currentPath = path
        self.ownFileLinkageSwitching.loadDict(path)

        # 更新面包屑导航
        displayName = path.split("/")[-1] if path != "/" else "/"
        self.breadcrumbBar.addItem(displayName, displayName)

    def clickChangeDir(self, name):
        """处理面包屑导航项点击事件"""
        logger.info(f"面包屑导航项点击: {name}")

        # 获取点击的路径
        if name == "":
            name = "/"

        pathList = []

        for item in self.breadcrumbBar.items:
            if item.text == name:
                pathList.append(item.text)
                break
            else:
                pathList.append(item.text)

        for i in pathList:
            if i == "":
                pathList.remove(i)

        path = "/".join(pathList) if pathList else "/"
        path = path[1:]
        if path == "":
            path = "/"

        if path == self.currentPath:
            logger.debug("路径未变化，跳过导航")
            return

        self.onChangeDir(path)

    def refreshCurrentDirectory(self):
        """刷新当前目录的文件卡片"""
        logger.info(f"刷新当前目录: {self.currentPath}")
        self.loadDict(self.currentPath)