"""Tests for i18n plugin"""

import os
import sys
import tempfile
import json
import pytest
from pathlib import Path

PLUGIN_DIR = Path(__file__).parent.parent / "store" / "NebulaShell" / "i18n"
sys.path.insert(0, str(PLUGIN_DIR))

import importlib.util
spec = importlib.util.spec_from_file_location("i18n_main", str(PLUGIN_DIR / "main.py"))
main_module = importlib.util.module_from_spec(spec)
spec.loader.exec_module(main_module)
I18n = main_module.I18n


class TestI18n:
    def test_default_language(self):
        i18n = I18n()
        assert i18n.get_language() == "zh-CN"

    def test_set_language_valid(self):
        i18n = I18n()
        assert i18n.set_language("en-US") == True
        assert i18n.get_language() == "en-US"

    def test_set_language_invalid(self):
        i18n = I18n()
        assert i18n.set_language("fr-FR") == False
        assert i18n.get_language() == "zh-CN"

    def test_supported_languages(self):
        i18n = I18n()
        langs = i18n.get_supported_languages()
        assert "zh-CN" in langs
        assert "en-US" in langs
        assert "ja-JP" in langs

    def test_translate_fallback_to_key(self):
        i18n = I18n()
        result = i18n.translate("nonexistent.key")
        assert result == "nonexistent.key"

    def test_register_and_translate(self):
        i18n = I18n()
        i18n.register_translations("zh-CN", "test", {"greeting": "你好"})
        assert i18n.translate("greeting", "test") == "你好"

    def test_translate_with_format(self):
        i18n = I18n()
        i18n.register_translations("zh-CN", "test", {"welcome": "欢迎 {name}"})
        result = i18n.translate("welcome", "test", name="张三")
        assert result == "欢迎 张三"

    def test_load_domain(self):
        i18n = I18n()
        i18n.load_domain("custom", {"key": "val"})
        assert i18n.translate("key", "custom") == "val"

    def test_t_alias(self):
        i18n = I18n()
        assert i18n.t("missing") == "missing"

    def test_get_info(self):
        i18n = I18n()
        info = i18n.get_info()
        assert "language" in info
        assert "supported" in info
        assert "domains" in info

    def test_lifecycle(self):
        i18n = I18n()
        i18n.init()
        i18n.start()
        i18n.stop()
        assert i18n.get_language() == "zh-CN"


if __name__ == '__main__':
    pytest.main([__file__, '-v'])