from AddFeed import AddFeed
from DisplayModel import DisplayModel
from Feed import Feed
from FeedEntry import FeedEntry
import FeedUpdater
from PyQt4 import QtGui
from PyQt4.QtCore import QUrl
from Ui_MainWindow import Ui_MainWindow

class MainWindow(QtGui.QMainWindow):
    def __init__(self, session=None):
        QtGui.QWidget.__init__(self, None)
        self.session = session
        self.ui = Ui_MainWindow()
        self.ui.setupUi(self)
        self.updateFeedList()
        
    def updateFeedList(self):
        self.allFeeds = Feed.all(self.session)
        feedModel = DisplayModel(self, self.allFeeds, Feed.userPresentableString)
        self.ui.feedList.setModel(feedModel)
        self.ui.feedList.update()

    def feedSelected(self, index):
        self.selectedFeed = self.allFeeds[index.row()]
        model = DisplayModel(self, self.selectedFeed.entries, FeedEntry.userPresentableString)
        self.ui.feedEntryList.setModel(model)
        self.ui.feedEntryList.update()
        
    def feedEntrySelected(self, index):
        row = index.row()
        entry = self.selectedFeed.entries[row]
        baseUrl = QUrl(entry.link) # TODO this is the wrong base url, figure out the correct one
        self.ui.webView.setHtml(entry.summary, baseUrl)
    
    def addFeed(self):
        addFeed = AddFeed(self.session)
        success = addFeed.exec_()
        if success:
            url = addFeed.getUrl()
            FeedUpdater.createNewFeed(url, self.session)
            # TODO get status from feedUpdater and display in status area of the main window
            self.updateFeedList()