# -*- coding: utf-8 -*-
import datetime
from unittest import TestCase

from mock import MagicMock

from redash.query_runner import TYPE_DATETIME, TYPE_FLOAT
from redash.query_runner.google_spreadsheets import TYPE_BOOLEAN, TYPE_STRING, _get_columns_and_column_names, _value_eval_list, parse_query
from redash.query_runner.google_spreadsheets import WorksheetNotFoundError, parse_spreadsheet, parse_worksheet


class TestValueEvalList(TestCase):
    def test_handles_unicode(self):
        values = [u'יוניקוד', 'test', 'value']
        self.assertEqual(values, _value_eval_list(values, [TYPE_STRING]*len(values)))

    def test_handles_boolean(self):
        values = ['true', 'false', 'True', 'False', 'TRUE', 'FALSE']
        converted_values = [True, False, True, False, True, False]
        self.assertEqual(converted_values, _value_eval_list(values, [TYPE_BOOLEAN]*len(values)))

    def test_handles_empty_values(self):
        values = ['', None]
        converted_values = [None, None]
        self.assertEqual(converted_values, _value_eval_list(values, [TYPE_STRING, TYPE_STRING]))

    def test_handles_float(self):
        values = ['3.14', '-273.15']
        converted_values = [3.14, -273.15]
        self.assertEqual(converted_values, _value_eval_list(values, [TYPE_FLOAT, TYPE_FLOAT]))

    def test_handles_datetime(self):
        values = ['2018-06-28', '2020-2-29']
        converted_values = [datetime.datetime(2018, 6, 28, 0, 0), datetime.datetime(2020, 2, 29, 0, 0)]
        self.assertEqual(converted_values, _value_eval_list(values, [TYPE_DATETIME, TYPE_DATETIME]))


class TestParseSpreadsheet(TestCase):
    def test_returns_meaningful_error_for_missing_worksheet(self):
        spreadsheet = MagicMock()

        spreadsheet.worksheets = MagicMock(return_value=[])
        self.assertRaises(WorksheetNotFoundError, parse_spreadsheet, spreadsheet, 0)

        spreadsheet.worksheets = MagicMock(return_value=[1, 2])
        self.assertRaises(WorksheetNotFoundError, parse_spreadsheet, spreadsheet, 2)


empty_worksheet = []
only_headers_worksheet = [['Column A', 'Column B']]
regular_worksheet = [['String Column', 'Boolean Column', 'Number Column'], ['A', 'TRUE', '1'], ['B', 'FALSE', '2'], ['C', 'TRUE', '3'], ['D', 'FALSE', '4']]


# The following test that the parse function doesn't crash. They don't test correct output.
class TestParseWorksheet(TestCase):
    def test_parse_empty_worksheet(self):
        parse_worksheet(empty_worksheet)

    def test_parse_only_headers_worksheet(self):
        parse_worksheet(only_headers_worksheet)

    def test_parse_regular_worksheet(self):
        parse_worksheet(regular_worksheet)

    def test_parse_worksheet_with_duplicate_column_names(self):
        worksheet = [['Column', 'Another Column', 'Column'], ['A', 'TRUE', '1'], ['B', 'FALSE', '2'], ['C', 'TRUE', '3'], ['D', 'FALSE', '4']]
        parsed = parse_worksheet(worksheet)

        columns = map(lambda c: c['name'], parsed['columns'])
        self.assertEqual('Column', columns[0])
        self.assertEqual('Another Column', columns[1])
        self.assertEqual('Column1', columns[2])

        self.assertEqual('A', parsed['rows'][0]['Column'])
        self.assertEqual(True, parsed['rows'][0]['Another Column'])
        self.assertEqual(1, parsed['rows'][0]['Column1'])


class TestParseQuery(TestCase):
    def test_parse_query(self):
        parsed = parse_query('key|0')
        self.assertEqual(('key', 0), parsed)


class TestGetColumnsAndColumnNames(TestCase):
    def test_get_columns(self):
        _columns = ['foo', 'bar', 'baz']
        columns, column_names = _get_columns_and_column_names(_columns)

        self.assertEqual(_columns, column_names)

    def test_get_columns_with_duplicated(self):
        _columns = ['foo', 'bar', 'baz', 'foo', 'baz']
        columns, column_names = _get_columns_and_column_names(_columns)

        self.assertEqual(['foo', 'bar', 'baz', 'foo1', 'baz2'], column_names)

    def test_get_columns_with_blank(self):
        _columns = ['foo', '', 'baz', '']
        columns, column_names = _get_columns_and_column_names(_columns)

        self.assertEqual(['foo', 'column_B', 'baz', 'column_D'], column_names)