import os
import sys
import unittest
from unittest import mock

sys.path.insert(0, os.path.dirname(__file__))

from app import editor


class FakeCDP:
    instances = []

    def __init__(self, ws, url="", cookies=None):
        self.ws = ws
        self.url = url
        self.cookies = cookies or []
        self.closed = False
        FakeCDP.instances.append(self)

    def val(self, expr):
        if expr == "location.href":
            return self.url
        return None

    def send(self, method, params=None):
        if method == "Network.getAllCookies":
            return {"cookies": self.cookies}
        return {}

    def close(self):
        self.closed = True


def cookie(name, domain=".shopee.tw"):
    return {"name": name, "domain": domain}


class EditorLoginTests(unittest.TestCase):
    def setUp(self):
        FakeCDP.instances = []

    def patch_cdp(self, url="", cookies=None):
        def factory(ws):
            return FakeCDP(ws, url=url, cookies=cookies)

        return mock.patch("app.editor.CDP", side_effect=factory)

    def test_login_status_false_for_login_page_url(self):
        with mock.patch(
            "app.editor.http_get",
            return_value=[
                {
                    "type": "page",
                    "url": "https://seller.shopee.tw/account/signin",
                    "webSocketDebuggerUrl": "ws-login",
                }
            ],
        ):
            status = editor.login_status({"debug_port": 9222}, timeout=0)

        self.assertFalse(status["logged_in"])
        self.assertEqual("LOGIN_PAGE", status["reason"])
        self.assertEqual([], FakeCDP.instances)

    def test_login_status_true_with_session_cookie(self):
        with mock.patch(
            "app.editor.http_get",
            return_value=[
                {
                    "type": "page",
                    "url": "https://seller.shopee.tw/portal/",
                    "webSocketDebuggerUrl": "ws-portal",
                }
            ],
        ), self.patch_cdp(
            url="https://seller.shopee.tw/portal/",
            cookies=[cookie("SPC_ST"), cookie("csrftoken")],
        ):
            status = editor.login_status({"debug_port": 9222}, timeout=1)

        self.assertTrue(status["logged_in"])
        self.assertIsNone(status["reason"])
        self.assertIn("SPC_ST", status["cookie_names"])
        self.assertTrue(FakeCDP.instances[0].closed)

    def test_login_status_false_without_session_cookie(self):
        with mock.patch(
            "app.editor.http_get",
            return_value=[
                {
                    "type": "page",
                    "url": "https://seller.shopee.tw/portal/",
                    "webSocketDebuggerUrl": "ws-portal",
                }
            ],
        ), self.patch_cdp(
            url="https://seller.shopee.tw/portal/",
            cookies=[cookie("csrftoken")],
        ):
            status = editor.login_status({"debug_port": 9222}, timeout=0)

        self.assertFalse(status["logged_in"])
        self.assertEqual("NO_SESSION_COOKIE", status["reason"])

    def test_login_status_opens_portal_when_no_shopee_page(self):
        with mock.patch("app.editor.http_get", return_value=[]), mock.patch(
            "app.editor.create_tab", return_value="ws-new"
        ) as create_tab, self.patch_cdp(
            url="https://seller.shopee.tw/portal/",
            cookies=[cookie("SPC_U")],
        ):
            status = editor.login_status(
                {"debug_port": 9222, "region_host": "seller.shopee.tw"},
                timeout=1,
            )

        self.assertTrue(status["logged_in"])
        create_tab.assert_called_once_with(
            "https://seller.shopee.tw/portal/",
            host="127.0.0.1:9222",
        )

    def test_is_logged_in_returns_boolean(self):
        with mock.patch(
            "app.editor.login_status",
            return_value={"logged_in": True},
        ):
            self.assertTrue(editor.is_logged_in({"debug_port": 9222}))


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