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# File called _pytest for PyCharm compatability

import pytest

from opensearch_py_ml.query_compiler import QueryCompiler
from tests.common import TestData


class TestEsMatch(TestData):
    def test_os_match(self):
        df = self.oml_ecommerce()
        query_compiler: QueryCompiler = df._query_compiler

        filter = query_compiler.os_match(
            "joe", ["customer_full_name"], analyzer="my-analyzer", fuzziness="1..2"
        )
        assert filter.build() == {
            "match": {
                "customer_full_name": {
                    "query": "joe",
                    "analyzer": "my-analyzer",
                    "fuzziness": "1..2",
                }
            }
        }

        filter = query_compiler.os_match(
            "joe", ["customer_last_name", "customer_first_name"]
        )
        assert filter.build() == {
            "multi_match": {
                "query": "joe",
                "fields": ["customer_last_name", "customer_first_name"],
            }
        }

    def test_es_match_must_not_match(self):
        df = self.oml_ecommerce()

        # single match
        df2 = df.os_match("joe", columns=["customer_full_name"], must_not_match=True)
        query_params, _ = df2._query_compiler._operations._resolve_tasks(
            df2._query_compiler
        )
        assert query_params.query.to_search_body() == {
            "query": {
                "bool": {
                    "must_not": {"match": {"customer_full_name": {"query": "joe"}}}
                }
            }
        }

        # multi_match
        df2 = df.os_match(
            "joe",
            columns=["customer_first_name", "customer_last_name"],
            must_not_match=True,
        )
        query_params, _ = df2._query_compiler._operations._resolve_tasks(
            df2._query_compiler
        )
        assert query_params.query.to_search_body() == {
            "query": {
                "bool": {
                    "must_not": {
                        "multi_match": {
                            "fields": [
                                "customer_first_name",
                                "customer_last_name",
                            ],
                            "query": "joe",
                        }
                    }
                }
            }
        }

    def test_os_match_phrase(self):
        df = self.oml_ecommerce()
        query_compiler: QueryCompiler = df._query_compiler

        filter = query_compiler.os_match(
            "joe", ["customer_full_name"], match_phrase=True
        )
        assert filter.build() == {
            "match_phrase": {
                "customer_full_name": {
                    "query": "joe",
                }
            }
        }

        filter = query_compiler.os_match(
            "joe", ["customer_last_name", "customer_first_name"], match_phrase=True
        )
        assert filter.build() == {
            "multi_match": {
                "query": "joe",
                "type": "phrase",
                "fields": ["customer_last_name", "customer_first_name"],
            }
        }

    def test_os_match_phrase_not_allowed_with_multi_match_type(self):
        df = self.oml_ecommerce()
        query_compiler: QueryCompiler = df._query_compiler

        with pytest.raises(ValueError) as e:
            query_compiler.os_match(
                "joe",
                ["customer_first_name", "customer_last_name"],
                match_phrase=True,
                multi_match_type="best_fields",
            )
        assert str(e.value) == (
            "match_phrase=True and multi_match_type='best_fields' "
            "are not compatible. Must be multi_match_type='phrase'"
        )

        filter = query_compiler.os_match(
            "joe",
            ["customer_last_name", "customer_first_name"],
            match_phrase=True,
            multi_match_type="phrase",
        )
        assert filter.build() == {
            "multi_match": {
                "query": "joe",
                "type": "phrase",
                "fields": ["customer_last_name", "customer_first_name"],
            }
        }

    def test_os_match_non_text_fields(self):
        df = self.oml_ecommerce()
        query_compiler: QueryCompiler = df._query_compiler

        with pytest.raises(ValueError) as e:
            query_compiler.os_match(
                "joe",
                [
                    "customer_first_name",
                    "order_date",
                    "customer_last_name",
                    "currency",
                    "order_*",
                ],
            )
        assert str(e.value) == (
            "Attempting to run os_match() on non-text fields (order_date=date, "
            "currency=keyword) means that these fields may not be analyzed properly. "
            "Consider reindexing these fields as text or use 'match_only_text_os_dtypes=False' "
            "to use match anyways"
        )

        filter = query_compiler.os_match(
            "joe",
            [
                "customer_first_name",
                "order_date",
                "customer_last_name",
                "currency",
                "order_*",
            ],
            match_only_text_fields=False,
        )
        assert filter.build() == {
            "multi_match": {
                "query": "joe",
                "lenient": True,
                "fields": [
                    "customer_first_name",
                    "order_date",
                    "customer_last_name",
                    "currency",
                    "order_*",
                ],
            }
        }