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# File called _pytest for PyCharm compatability

import numpy as np

from eland.field_mappings import FieldMappings
from tests import ECOMMERCE_INDEX_NAME, ES_TEST_CLIENT, FLIGHTS_INDEX_NAME
from tests.common import TestData


class TestMetricSourceFields(TestData):
    def test_flights_all_metric_source_fields(self):
        ed_field_mappings = FieldMappings(
            client=ES_TEST_CLIENT, index_pattern=FLIGHTS_INDEX_NAME
        )
        pd_flights = self.pd_flights()

        ed_dtypes, ed_fields, es_date_formats = ed_field_mappings.metric_source_fields()
        pd_metric = pd_flights.select_dtypes(include=np.number)

        assert pd_metric.dtypes.to_list() == ed_dtypes
        assert pd_metric.columns.to_list() == ed_fields
        assert len(es_date_formats) == len(ed_dtypes)
        assert set(es_date_formats) == {None}

    def test_flights_all_metric_source_fields_and_bool(self):
        ed_field_mappings = FieldMappings(
            client=ES_TEST_CLIENT, index_pattern=FLIGHTS_INDEX_NAME
        )
        pd_flights = self.pd_flights()

        ed_dtypes, ed_fields, es_date_formats = ed_field_mappings.metric_source_fields(
            include_bool=True
        )
        pd_metric = pd_flights.select_dtypes(include=[np.number, "bool"])

        assert pd_metric.dtypes.to_list() == ed_dtypes
        assert pd_metric.columns.to_list() == ed_fields
        assert len(es_date_formats) == len(ed_dtypes)
        assert set(es_date_formats) == {None}

    def test_flights_all_metric_source_fields_bool_and_timestamp(self):
        ed_field_mappings = FieldMappings(
            client=ES_TEST_CLIENT, index_pattern=FLIGHTS_INDEX_NAME
        )
        pd_flights = self.pd_flights()

        ed_dtypes, ed_fields, es_date_formats = ed_field_mappings.metric_source_fields(
            include_bool=True, include_timestamp=True
        )
        pd_metric = pd_flights.select_dtypes(include=[np.number, "bool", "datetime"])

        assert pd_metric.dtypes.to_list() == ed_dtypes
        assert pd_metric.columns.to_list() == ed_fields
        assert len(es_date_formats) == len(ed_dtypes)
        assert set(es_date_formats) == set(
            {"strict_date_hour_minute_second", None}
        )  # TODO - test position of date_format

    def test_ecommerce_selected_non_metric_source_fields(self):
        field_names = [
            "category",
            "currency",
            "customer_birth_date",
            "customer_first_name",
            "user",
        ]
        """
        Note: non of there are metric
        category                       object
        currency                       object
        customer_birth_date    datetime64[ns]
        customer_first_name            object
        user                           object
        """
        ed_field_mappings = FieldMappings(
            client=ES_TEST_CLIENT,
            index_pattern=ECOMMERCE_INDEX_NAME,
            display_names=field_names,
        )
        pd_ecommerce = self.pd_ecommerce()[field_names]

        ed_dtypes, ed_fields, es_date_formats = ed_field_mappings.metric_source_fields()
        pd_metric = pd_ecommerce.select_dtypes(include=np.number)

        assert pd_metric.dtypes.to_list() == ed_dtypes
        assert pd_metric.columns.to_list() == ed_fields
        assert len(es_date_formats) == len(ed_dtypes)
        assert set(es_date_formats) == set()

    def test_ecommerce_selected_mixed_metric_source_fields(self):
        field_names = [
            "category",
            "currency",
            "customer_birth_date",
            "customer_first_name",
            "total_quantity",
            "user",
        ]
        """
        Note: one is metric
        category                       object
        currency                       object
        customer_birth_date    datetime64[ns]
        customer_first_name            object
        total_quantity                 int64
        user                           object
        """
        ed_field_mappings = FieldMappings(
            client=ES_TEST_CLIENT,
            index_pattern=ECOMMERCE_INDEX_NAME,
            display_names=field_names,
        )
        pd_ecommerce = self.pd_ecommerce()[field_names]

        ed_dtypes, ed_fields, es_date_formats = ed_field_mappings.metric_source_fields()
        pd_metric = pd_ecommerce.select_dtypes(include=np.number)
        assert len(es_date_formats) == len(ed_dtypes)
        assert set(es_date_formats) == {None}

        assert pd_metric.dtypes.to_list() == ed_dtypes
        assert pd_metric.columns.to_list() == ed_fields

    def test_ecommerce_selected_all_metric_source_fields(self):
        field_names = ["total_quantity", "taxful_total_price", "taxless_total_price"]
        """
        Note: all are metric
        total_quantity           int64
        taxful_total_price     float64
        taxless_total_price    float64
        """
        ed_field_mappings = FieldMappings(
            client=ES_TEST_CLIENT,
            index_pattern=ECOMMERCE_INDEX_NAME,
            display_names=field_names,
        )
        pd_ecommerce = self.pd_ecommerce()[field_names]

        ed_dtypes, ed_fields, es_date_formats = ed_field_mappings.metric_source_fields()
        pd_metric = pd_ecommerce.select_dtypes(include=np.number)

        assert pd_metric.dtypes.to_list() == ed_dtypes
        assert pd_metric.columns.to_list() == ed_fields
        assert len(es_date_formats) == len(ed_dtypes)
        assert set(es_date_formats) == {None}