import unittest
from unittest.mock import patch

from examples.demand.pg_pattern_repository import (
    _expand_platform_filters,
    _is_element_type_dimension,
    normalize_platform,
    query_elements,
    query_seed_points_for_itemsets,
)


class PgPatternRepositoryTest(unittest.TestCase):
    def test_topic_itemset_need_dimension_does_not_filter_element_type(self):
        self.assertFalse(_is_element_type_dimension("需求"))

    def test_real_element_dimensions_filter_element_type(self):
        self.assertTrue(_is_element_type_dimension("实质"))
        self.assertTrue(_is_element_type_dimension("形式"))
        self.assertTrue(_is_element_type_dimension("意图"))

    def test_platform_normalization_keeps_piaoquan_filter_aliases(self):
        self.assertEqual(normalize_platform("票圈"), "piaoquan")
        self.assertEqual(normalize_platform("piaoquan"), "piaoquan")
        self.assertEqual(_expand_platform_filters(["票圈"]), ["piaoquan", "票圈"])

    def test_query_seed_points_filters_and_ranks(self):
        rows = [
            {
                "id": 1,
                "post_id": "p1",
                "source_table": "post_decode_topic_point_element",
                "source_element_id": 11,
                "point_type": "灵感点",
                "point_text": "A",
                "element_type": "实质",
                "name": "A",
                "category_id": 10,
                "category_path": "/A",
                "topic_point_id": 101,
                "matched_itemset_item_id": 1001,
                "matched_category_id": 10,
            },
            {
                "id": 2,
                "post_id": "p2",
                "source_table": "post_decode_topic_point_element",
                "source_element_id": 12,
                "point_type": "灵感点",
                "point_text": "A",
                "element_type": "实质",
                "name": "A",
                "category_id": 10,
                "category_path": "/A",
                "topic_point_id": 102,
                "matched_itemset_item_id": 1001,
                "matched_category_id": 10,
            },
            {
                "id": 3,
                "post_id": "p1",
                "source_table": "post_decode_topic_point_element",
                "source_element_id": 13,
                "point_type": "目的点",
                "point_text": "B",
                "element_type": "实质",
                "name": "B",
                "category_id": 10,
                "category_path": "/B",
                "topic_point_id": 103,
                "matched_itemset_item_id": 1002,
                "matched_category_id": 10,
            },
            {
                "id": 4,
                "post_id": "p1",
                "point_type": "关键点",
                "point_text": "C",
            },
        ]
        with patch("examples.demand.pg_pattern_repository._fetch_all", return_value=rows):
            result = query_seed_points_for_itemsets(581, [1], ["p1", "p2"], top_k=10)

        self.assertEqual([item["point_text"] for item in result], ["A", "B"])
        self.assertEqual(result[0]["coverage_post_count"], 2)
        self.assertEqual(result[0]["rank"], 1)
        self.assertEqual(result[1]["rank"], 2)

    def test_query_elements_empty_post_ids_does_not_fallback_to_global(self):
        with patch("examples.demand.pg_pattern_repository._fetch_all") as fetch_all:
            result = query_elements(581, post_ids=[], merge_leve2="历史名人", platform="piaoquan")

        self.assertEqual(result, [])
        fetch_all.assert_not_called()


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