import unittest
import os
import sys

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

from _helpers import TempDirMixin

from app import gui
from app import accounts

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

from PySide6.QtWidgets import QApplication, QLineEdit

from app.gui import AccountDialog, AccountsTab, MainWindow, TAB_STYLE, TAB_TITLES


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

    def make_config(self, temp_dir):
        return {
            "chrome_path": "chrome.exe",
            "user_data_root": os.path.join(temp_dir, "chrome_user_data_dir"),
            "db_path": os.path.join(temp_dir, "cmshopee.db"),
            "debug_port_range": [9222, 9260],
        }

    def test_main_window_has_five_tabs_in_workflow_order(self):
        with self.make_temp_dir() as temp_dir:
            window = MainWindow(config=self.make_config(temp_dir))
            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())
            self.assertEqual(TAB_STYLE, window.tabs.styleSheet())
            self.assertIn("min-width: 128px", window.tabs.styleSheet())
            self.assertIn("padding: 8px 18px", window.tabs.styleSheet())
            self.assertIn("margin-right: 8px", window.tabs.styleSheet())

        self.assert_removed(temp_dir)

    def test_tab_switch_updates_status_bar(self):
        with self.make_temp_dir() as temp_dir:
            window = MainWindow(config=self.make_config(temp_dir))
            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())

        self.assert_removed(temp_dir)

    def test_accounts_tab_lists_accounts_without_showing_password(self):
        with self.make_temp_dir() as temp_dir:
            cfg = self.make_config(temp_dir)
            accounts.create_account(
                "主店",
                "alias",
                "seller.shopee.tw",
                9222,
                password="secret",
                config=cfg,
            )

            window = MainWindow(config=cfg)
            self.addCleanup(window.close)
            tab = window.tabs.widget(TAB_TITLES.index("④ 账号管理"))

            self.assertIsInstance(tab, AccountsTab)
            self.assertEqual(1, tab.table.rowCount())
            self.assertEqual("主店", tab.table.item(0, 0).text())
            self.assertEqual("alias", tab.table.item(0, 1).text())
            self.assertEqual("未知", tab.table.item(0, 4).text())
            visible_values = [
                tab.table.item(0, column).text()
                for column in range(tab.table.columnCount())
                if tab.table.item(0, column) is not None
            ]
            self.assertNotIn("secret", visible_values)

        self.assert_removed(temp_dir)

    def test_account_dialog_masks_password_field(self):
        with self.make_temp_dir() as temp_dir:
            cfg = self.make_config(temp_dir)
            account = accounts.create_account(
                "主店",
                "alias",
                debug_port=9222,
                password="secret",
                config=cfg,
            )

            dialog = AccountDialog(account=account, config=cfg)
            self.addCleanup(dialog.close)

            self.assertEqual(QLineEdit.Password, dialog.password_edit.echoMode())
            self.assertEqual("secret", dialog.password_edit.text())
            self.assertIn(account.slug, dialog.user_data_dir_edit.text())

        self.assert_removed(temp_dir)

    def test_accounts_tab_updates_login_status_cell(self):
        with self.make_temp_dir() as temp_dir:
            cfg = self.make_config(temp_dir)
            accounts.create_account("主店", "alias", debug_port=9222, config=cfg)
            tab = AccountsTab(config=cfg)
            self.addCleanup(tab.close)

            tab._on_login_check_finished(
                {"alias": "alias", "status": {"logged_in": True, "reason": None}}
            )

            self.assertEqual("已登录", tab.table.item(0, 4).text())

        self.assert_removed(temp_dir)


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