"""C-07 全站统一搜索回归：多模块聚合/类型筛选/分页/异常输入健壮性/结果跳转死链。"""
from django.test import TestCase
from rest_framework.test import APIClient

from article.models import Article
from tool.models import Tool
from learn.models import Course
from apidirectory.models import ApiItem
from user.models import FUser

KW = 'c07searchkey'


class UnifiedSearchTest(TestCase):
    def setUp(self):
        self.client = APIClient()
        self.u = FUser.objects.create_user(username='c07u', password='x12345678')
        self.art = Article.objects.create(
            title=f'{KW}文章', content='x' * 500, author=self.u, status='published')
        self.tool = Tool.objects.create(
            name=f'{KW}工具', description='desc', url_path='/utility/c07-tool')
        self.course = Course.objects.create(
            title=f'{KW}课程', description='desc', author=self.u, status='published')
        self.api = ApiItem.objects.create(
            name=f'{KW}接口', description='desc', url_path='/api/c07',
            method='GET', is_enabled=True)

    def _get(self, **params):
        r = self.client.get('/search/', params)
        self.assertEqual(r.status_code, 200)
        body = r.json()
        self.assertEqual(body.get('code'), 10000)
        return body['data']

    def test_multi_module_hit(self):
        data = self._get(q=KW)
        titles = [x['title'] for x in data['results']]
        self.assertIn(f'{KW}文章', titles)
        self.assertIn(f'{KW}工具', titles)
        self.assertIn(f'{KW}课程', titles)
        self.assertIn(f'{KW}接口', titles)
        self.assertGreaterEqual(data['total'], 4)

    def test_type_filter_article(self):
        data = self._get(q=KW, type='article')
        self.assertTrue(data['results'])
        self.assertTrue(all(x['type'] == '文章' for x in data['results']))

    def test_type_filter_tool(self):
        data = self._get(q=KW, type='tool')
        self.assertTrue(data['results'])
        self.assertTrue(all(x['type'] == '工具' for x in data['results']))

    def test_result_urls_are_live_routes(self):
        data = self._get(q=KW)
        by_type = {x['type']: x for x in data['results']}
        self.assertTrue(by_type['文章']['url'].startswith('/post/'))
        self.assertEqual(by_type['工具']['url'], '/utility/c07-tool')
        self.assertTrue(by_type['课程']['url'].startswith('/course-learn?id='))
        self.assertTrue(by_type['API']['url'].startswith('/open-api-detail/'))

    def test_pagination(self):
        data = self._get(q=KW, page=1, page_size=2)
        self.assertEqual(len(data['results']), 2)
        data2 = self._get(q=KW, page=2, page_size=2)
        self.assertTrue(data2['results'])

    def test_empty_q_graceful(self):
        data = self._get(q='')
        self.assertEqual(data['results'], [])
        self.assertEqual(data['total'], 0)

    def test_long_q_truncated_no_500(self):
        data = self._get(q='x' * 5000)
        self.assertIn('results', data)

    def test_special_chars_no_500(self):
        for bad in ['%_%', "a'b\"c", '<script>', '*/--', '你好*?']:
            data = self._get(q=bad)
            self.assertIn('results', data)

    def test_invalid_type_falls_back_all(self):
        data = self._get(q=KW, type='not_a_type')
        self.assertGreaterEqual(data['total'], 4)

    def test_invalid_page_params_no_500(self):
        data = self._get(q=KW, page='abc', page_size='xyz')
        self.assertIn('results', data)
        data = self._get(q=KW, page=-5, page_size=9999)
        self.assertIn('results', data)