"""当前 Client 本地身份服务测试。"""

import tempfile
import unittest
from pathlib import Path

from src.current_client_service import CurrentClientService
from src.settings_repository import SettingsRepository


class CurrentClientServiceTest(unittest.TestCase):
    def setUp(self):
        self.temp_directory = tempfile.TemporaryDirectory()
        path = Path(self.temp_directory.name) / "client.db"
        self.repository = SettingsRepository(path)
        self.generated_count = 0

        def generate_id():
            self.generated_count += 1
            return f"CLIENT-GENERATED-{self.generated_count}"

        self.service = CurrentClientService(self.repository, generate_id)

    def tearDown(self):
        self.temp_directory.cleanup()

    def test_first_save_generates_id_and_later_save_reuses_it(self):
        first = self.service.save(" 办公室电脑 ")
        second = self.service.save("仓库电脑")

        self.assertEqual(first.client_id, "CLIENT-GENERATED-1")
        self.assertEqual(second.client_id, first.client_id)
        self.assertEqual(second.client_name, "仓库电脑")
        self.assertEqual(self.generated_count, 1)
        self.assertEqual(self.service.load(), second)

    def test_empty_name_is_allowed_but_more_than_50_chars_is_rejected(self):
        saved = self.service.save("   ")
        self.assertEqual(saved.client_name, "")

        with self.assertRaisesRegex(ValueError, "最多 50"):
            self.service.save("测" * 51)

        self.assertEqual(self.service.load(), saved)

    def test_non_string_corrupted_values_are_treated_as_missing(self):
        self.repository.set("admin.client_id", {"bad": "value"})
        self.repository.set("admin.client_name", 123)

        saved = self.service.save("新设备")

        self.assertEqual(saved.client_id, "CLIENT-GENERATED-1")
        self.assertEqual(saved.client_name, "新设备")


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