import unittest
import os
import sys

os.environ.setdefault("QT_QPA_PLATFORM", "offscreen")
sys.path.insert(0, os.path.dirname(__file__))

from app import gui

if gui.QT_IMPORT_ERROR is not None:
    raise unittest.SkipTest("PySide6 未安装")

from PySide6.QtWidgets import QApplication

from app.gui import MainWindow, TAB_TITLES


class GuiTests(unittest.TestCase):
    @classmethod
    def setUpClass(cls):
        cls.app = QApplication.instance() or QApplication([])

    def test_main_window_has_five_tabs_in_workflow_order(self):
        window = MainWindow()
        self.addCleanup(window.close)

        self.assertEqual(5, window.tabs.count())
        self.assertEqual(
            TAB_TITLES,
            [window.tabs.tabText(index) for index in range(window.tabs.count())],
        )
        self.assertEqual("就绪", window.statusBar().currentMessage())

    def test_tab_switch_updates_status_bar(self):
        window = MainWindow()
        self.addCleanup(window.close)

        window.tabs.setCurrentIndex(2)

        self.assertEqual("③ 更新shopee", window.tabs.tabText(window.tabs.currentIndex()))
        self.assertEqual("当前：③ 更新shopee", window.statusBar().currentMessage())


if __name__ == "__main__":
    unittest.main()