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# File called _pytest for PyCharm compatability
from io import StringIO

import opensearch_py_ml as oml
from tests import OPENSEARCH_TEST_CLIENT
from tests.common import TestData


class TestDataFrameInfo(TestData):
    def test_flights_info(self):
        oml_flights = self.oml_flights()
        pd_flights = self.pd_flights()

        oml_buf = StringIO()
        pd_buf = StringIO()

        # Ignore memory_usage and first line (class name)
        oml_flights.info(buf=oml_buf, memory_usage=False)
        pd_flights.info(buf=pd_buf, memory_usage=False)

        oml_buf_lines = oml_buf.getvalue().split("\n")
        pd_buf_lines = pd_buf.getvalue().split("\n")

        assert pd_buf_lines[1:] == oml_buf_lines[1:]

        # NOTE: info does not work on truncated data frames (e.g. head/tail) TODO

        print(self.oml_ecommerce().info())

    def test_empty_info(self):
        mapping = {"mappings": {"properties": {}}}

        for i in range(0, 10):
            field_name = "field_name_" + str(i)
            mapping["mappings"]["properties"][field_name] = {"type": "float"}

        OPENSEARCH_TEST_CLIENT.indices.delete(index="empty_index", ignore=[400, 404])
        OPENSEARCH_TEST_CLIENT.indices.create(index="empty_index", body=mapping)

        oml_df = oml.DataFrame(OPENSEARCH_TEST_CLIENT, "empty_index")
        oml_df.info()

        OPENSEARCH_TEST_CLIENT.indices.delete(index="empty_index")