# pylint: disable = missing-docstring, invalid-name
"""
Tests that the time range string in the filename is generated correctly.
"""
import numpy as np
import os
import unittest

import cmor


class TestHasCurDatasetAttribute(unittest.TestCase):
    """
    Tests for ``cmor.has_cur_dataset_attribute``.
    """

    def setUp(self):
        cmor.setup(inpath='Test',
                   netcdf_file_action=cmor.CMOR_REPLACE_4)

        cmor.dataset_json("Test/CMOR_input_example.json")

        self.path = None

    def test_decadal(self):
        table = 'Tables/CMIP6_Odec.json'
        cmor.load_table(table)
        axes = [
            {'table_entry': 'time',
             'units': 'days since 2000-01-01 00:00:00',
             # we're using the 360 day calendar
             'coord_vals': [5 * 360, 15 * 360],
             'cell_bounds': [[0, 10 * 360], [10 * 360, 20 * 360]]},
            {'table_entry': 'latitude',
             'units': 'degrees_north',
             'coord_vals': [0],
             'cell_bounds': [-1, 1]},
            {'table_entry': 'longitude',
             'units': 'degrees_east',
             'coord_vals': [90],
             'cell_bounds': [89, 91]}
        ]

        axis_ids = list()
        for axis in axes:
            axis_id = cmor.axis(**axis)
            axis_ids.append(axis_id)
        varid = cmor.variable('hfds', 'W m-2', axis_ids, positive='up')
        cmor.write(varid, [5., 10.])
        self.path = cmor.close(varid, file_name=True)

        self.assertEqual(os.path.basename(self.path),
                         'hfds_Odec_PCMDI-test-1-0_piControl-withism_'
                         'r3i1p1f1_gn_2005-2015.nc')

    def test_yr(self):
        table = 'Tables/CMIP6_Eyr.json'
        cmor.load_table(table)
        axes = [
            {'table_entry': 'time',
             'units': 'days since 2000-01-01 00:00:00',
             'coord_vals': np.array([182.5, 547.5]),
             'cell_bounds': [[0, 365], [365, 730]]},
            {'table_entry': 'latitude',
             'units': 'degrees_north',
             'coord_vals': [0],
             'cell_bounds': [-1, 1]},
            {'table_entry': 'longitude',
             'units': 'degrees_east',
             'coord_vals': [90],
             'cell_bounds': [89, 91]}
        ]

        axis_ids = list()
        for axis in axes:
            axis_id = cmor.axis(**axis)
            axis_ids.append(axis_id)
        varid = cmor.variable('baresoilFrac', '%', axis_ids)
        cmor.write(varid, [40, 60])
        self.path = cmor.close(varid, file_name=True)

        self.assertEqual(os.path.basename(self.path),
                         'baresoilFrac_Eyr_PCMDI-test-1-0_piControl-withism_'
                         'r3i1p1f1_gn_2000-2001.nc')

    def test_mon(self):
        table = 'Tables/CMIP6_Amon.json'
        cmor.load_table(table)
        axes = [
            {'table_entry': 'time',
             'units': 'days since 2000-01-01 00:00:00',
             'coord_vals': np.array([15, 45]),
             'cell_bounds': [[0, 30], [30, 60]]},
            {'table_entry': 'latitude',
             'units': 'degrees_north',
             'coord_vals': [0],
             'cell_bounds': [-1, 1]},
            {'table_entry': 'longitude',
             'units': 'degrees_east',
             'coord_vals': [90],
             'cell_bounds': [89, 91]}
        ]

        axis_ids = list()
        for axis in axes:
            axis_id = cmor.axis(**axis)
            axis_ids.append(axis_id)
        varid = cmor.variable('ts', 'K', axis_ids)
        cmor.write(varid, [273, 274])
        self.path = cmor.close(varid, file_name=True)

        self.assertEqual(os.path.basename(self.path),
                         'ts_Amon_PCMDI-test-1-0_piControl-withism_'
                         'r3i1p1f1_gn_200001-200002.nc')

    def test_monclim(self):
        table = 'Tables/CMIP6_Oclim.json'
        cmor.load_table(table)
        axes = [
            {'table_entry': 'time2',
             'units': 'days since 2000-01-01 00:00:00',
             'coord_vals': np.array([15, 45]),
             'cell_bounds': [[0, 30], [30, 60]]},
            {'table_entry': 'latitude',
             'units': 'degrees_north',
             'coord_vals': [0],
             'cell_bounds': [-1, 1]},
            {'table_entry': 'longitude',
             'units': 'degrees_east',
             'coord_vals': [90],
             'cell_bounds': [89, 91]}
        ]

        axis_ids = list()
        for axis in axes:
            axis_id = cmor.axis(**axis)
            axis_ids.append(axis_id)
        varid = cmor.variable('difmxybo2d', 'm4 s-1', axis_ids)
        cmor.write(varid, [273, 274])
        self.path = cmor.close(varid, file_name=True)

        self.assertEqual(os.path.basename(self.path),
                         'difmxybo_Oclim_PCMDI-test-1-0_piControl-withism_'
                         'r3i1p1f1_gn_200001-200002-clim.nc')

    def test_day(self):
        table = 'Tables/CMIP6_Eday.json'
        cmor.load_table(table)
        axes = [
            {'table_entry': 'time',
             'units': 'hours since 2000-01-01 00:00:00',
             'coord_vals': np.array([12, 36]),
             'cell_bounds': [[0, 24], [24, 48]]},
            {'table_entry': 'latitude',
             'units': 'degrees_north',
             'coord_vals': [0],
             'cell_bounds': [-1, 1]},
            {'table_entry': 'longitude',
             'units': 'degrees_east',
             'coord_vals': [90],
             'cell_bounds': [89, 91]}
        ]

        axis_ids = list()
        for axis in axes:
            axis_id = cmor.axis(**axis)
            axis_ids.append(axis_id)
        varid = cmor.variable('ts', 'K', axis_ids)
        cmor.write(varid, [303, 305])
        self.path = cmor.close(varid, file_name=True)

        self.assertEqual(os.path.basename(self.path),
                         'ts_Eday_PCMDI-test-1-0_piControl-withism_'
                         'r3i1p1f1_gn_20000101-20000102.nc')

    def test_6hr(self):
        table = 'Tables/CMIP6_6hrLev.json'
        cmor.load_table(table)
        axes = [
            {'table_entry': 'time1',
             'units': 'hours since 2000-01-01 00:00:00',
             'coord_vals': np.array([3, 9]),
             'cell_bounds': [[0, 6], [6, 12]]},
            {'table_entry': 'latitude',
             'units': 'degrees_north',
             'coord_vals': [0],
             'cell_bounds': [-1, 1]},
            {'table_entry': 'longitude',
             'units': 'degrees_east',
             'coord_vals': [90],
             'cell_bounds': [89, 91]}
        ]

        axis_ids = list()
        for axis in axes:
            axis_id = cmor.axis(**axis)
            axis_ids.append(axis_id)
        varid = cmor.variable('ps', 'Pa', axis_ids)
        cmor.write(varid, [99300, 100000])
        self.path = cmor.close(varid, file_name=True)

        self.assertEqual(os.path.basename(self.path),
                         'ps_6hrLev_PCMDI-test-1-0_piControl-withism_'
                         'r3i1p1f1_gn_200001010300-200001010900.nc')

    def test_3hr(self):
        table = 'Tables/CMIP6_3hr.json'
        cmor.load_table(table)
        axes = [
            {'table_entry': 'time1',
             'units': 'hours since 2000-01-01 00:00:00',
             'coord_vals': np.array([1.5, 4.5]),
             'cell_bounds': [[0, 3], [3, 6]]},
            {'table_entry': 'latitude',
             'units': 'degrees_north',
             'coord_vals': [0],
             'cell_bounds': [-1, 1]},
            {'table_entry': 'longitude',
             'units': 'degrees_east',
             'coord_vals': [90],
             'cell_bounds': [89, 91]}
        ]

        axis_ids = list()
        for axis in axes:
            axis_id = cmor.axis(**axis)
            axis_ids.append(axis_id)
        varid = cmor.variable('ps', 'Pa', axis_ids)
        cmor.write(varid, [99300, 100000])
        self.path = cmor.close(varid, file_name=True)

        self.assertEqual(os.path.basename(self.path),
                         'ps_3hr_PCMDI-test-1-0_piControl-withism_'
                         'r3i1p1f1_gn_200001010130-200001010430.nc')

    def test_1hr(self):
        table = 'Tables/CMIP6_E1hr.json'
        cmor.load_table(table)
        axes = [
            {'table_entry': 'time1',
            'units': 'minutes since 2000-01-01 00:00:00',
            'coord_vals': np.array([30, 90]),
            'cell_bounds': [[0, 60], [60, 120]]},
            {'table_entry': 'latitude',
            'units': 'degrees_north',
            'coord_vals': [0],
            'cell_bounds': [-1, 1]},
            {'table_entry': 'longitude',
            'units': 'degrees_east',
            'coord_vals': [90],
            'cell_bounds': [89, 91]}
        ]

        axis_ids = list()
        for axis in axes:
            axis_id = cmor.axis(**axis)
            axis_ids.append(axis_id)
        varid = cmor.variable('psl', 'Pa', axis_ids)
        cmor.write(varid, [99300, 100000])
        self.path = cmor.close(varid, file_name=True)

        self.assertEqual(os.path.basename(self.path),
                         'psl_E1hr_PCMDI-test-1-0_piControl-withism_'
                         'r3i1p1f1_gn_200001010030-200001010130.nc')

    def test_1hrclimmon(self):
        table = 'Tables/CMIP6_E1hrClimMon.json'
        cmor.load_table(table)
        axes = [
            {'table_entry': 'time3',
             'units': 'minutes since 2000-01-01 00:00:00',
             'coord_vals': np.array([12.5, 37.5]),
             'cell_bounds': [[0., 25.], [25., 50.]]},
            {'table_entry': 'latitude',
             'units': 'degrees_north',
             'coord_vals': [0],
             'cell_bounds': [-1, 1]},
            {'table_entry': 'longitude',
             'units': 'degrees_east',
             'coord_vals': [90],
             'cell_bounds': [89, 91]}
        ]

        axis_ids = list()
        for axis in axes:
            axis_id = cmor.axis(**axis)
            axis_ids.append(axis_id)
        varid = cmor.variable('rlut', 'W m-2', axis_ids, positive='up')
        cmor.write(varid, [186, 190])
        self.path = cmor.close(varid, file_name=True)

        self.assertEqual(os.path.basename(self.path),
                         'rlut_E1hrClimMon_PCMDI-test-1-0_piControl-withism_'
                         'r3i1p1f1_gn_200001010000-200001010050-clim.nc')

    def test_subhr(self):
        table = 'Tables/CMIP6_Esubhr.json'
        cmor.load_table(table)
        axes = [
            {'table_entry': 'time1',
             'units': 'seconds since 2000-01-01 00:00:00',
             'coord_vals': np.array([750, 2250]),
             'cell_bounds': [[0, 1500], [1500, 3000]]},
            {'table_entry': 'latitude',
             'units': 'degrees_north',
             'coord_vals': [0],
             'cell_bounds': [-1, 1]},
            {'table_entry': 'longitude',
             'units': 'degrees_east',
             'coord_vals': [90],
             'cell_bounds': [89, 91]}
        ]

        axis_ids = list()
        for axis in axes:
            axis_id = cmor.axis(**axis)
            axis_ids.append(axis_id)
        varid = cmor.variable('pr', 'kg m-2 s-1', axis_ids)
        cmor.write(varid, [0.000005, 0.000006])
        self.path = cmor.close(varid, file_name=True)

        self.assertEqual(os.path.basename(self.path),
                         'pr_Esubhr_PCMDI-test-1-0_piControl-withism_'
                         'r3i1p1f1_gn_20000101001230-20000101003730.nc')

    def test_day_rounds(self):
        table = 'Tables/CMIP6_Eday.json'
        cmor.load_table(table)
        axes = [
            {'table_entry': 'time',
             'units': 'days since 1960-01-01 00:00:00',
             'coord_vals': np.array([0.9999999, 1.9999999]),
             'cell_bounds': [[0.9999999 - 0.5, 0.9999999 + 0.5],
                             [0.9999999 + 0.5, 0.9999999 + 1.5]]},
            {'table_entry': 'latitude',
             'units': 'degrees_north',
             'coord_vals': [0],
             'cell_bounds': [-1, 1]},
            {'table_entry': 'longitude',
             'units': 'degrees_east',
             'coord_vals': [90],
             'cell_bounds': [89, 91]}
        ]

        axis_ids = list()
        for axis in axes:
            axis_id = cmor.axis(**axis)
            axis_ids.append(axis_id)
        varid = cmor.variable('ts', 'K', axis_ids)
        cmor.write(varid, [303, 305])
        self.path = cmor.close(varid, file_name=True)

        self.assertEqual(os.path.basename(self.path),
                         'ts_Eday_PCMDI-test-1-0_piControl-withism_'
                         'r3i1p1f1_gn_19600102-19600103.nc')

    def test_hour_rounds_midnight(self):
        table = 'Tables/CMIP6_6hrLev.json'
        cmor.load_table(table)
        axes = [
            {'table_entry': 'time1',
             'units': 'hours since 2000-01-01 00:00:00',
             'coord_vals': np.array([23.99999, 30]),
             'cell_bounds': [[20.99999, 27], [27, 33]]},
            {'table_entry': 'latitude',
             'units': 'degrees_north',
             'coord_vals': [0],
             'cell_bounds': [-1, 1]},
            {'table_entry': 'longitude',
             'units': 'degrees_east',
             'coord_vals': [90],
             'cell_bounds': [89, 91]}
        ]

        axis_ids = list()
        for axis in axes:
            axis_id = cmor.axis(**axis)
            axis_ids.append(axis_id)
        varid = cmor.variable('ps', 'Pa', axis_ids)
        cmor.write(varid, [99300, 100000])
        self.path = cmor.close(varid, file_name=True)

        self.assertEqual(os.path.basename(self.path),
                         'ps_6hrLev_PCMDI-test-1-0_piControl-withism_'
                         'r3i1p1f1_gn_200001020000-200001020600.nc')

    def test_hour_rounds_minutes(self):
        table = 'Tables/CMIP6_E1hr.json'
        cmor.load_table(table)
        axes = [
            {'table_entry': 'time1',
             'units': 'minutes since 2000-01-01 00:00:00',
             'coord_vals': np.array([12.6, 77.4])},
            {'table_entry': 'latitude',
             'units': 'degrees_north',
             'coord_vals': [0],
             'cell_bounds': [-1, 1]},
            {'table_entry': 'longitude',
             'units': 'degrees_east',
             'coord_vals': [90],
             'cell_bounds': [89, 91]}
        ]

        axis_ids = list()
        for axis in axes:
            axis_id = cmor.axis(**axis)
            axis_ids.append(axis_id)
        varid = cmor.variable('psl', 'Pa', axis_ids)
        cmor.write(varid, [99300, 100000])
        self.path = cmor.close(varid, file_name=True)

        self.assertEqual(os.path.basename(self.path),
                         'psl_E1hr_PCMDI-test-1-0_piControl-withism_'
                         'r3i1p1f1_gn_200001010013-200001010117.nc')

    def test_subhr_rounds_seconds(self):
        table = 'Tables/CMIP6_Esubhr.json'
        cmor.load_table(table)
        axes = [
            {'table_entry': 'time1',
             'units': 'seconds since 2000-01-01 00:00:00',
             'coord_vals': np.array([750.4, 2250.6])},
            {'table_entry': 'latitude',
             'units': 'degrees_north',
             'coord_vals': [0],
             'cell_bounds': [-1, 1]},
            {'table_entry': 'longitude',
             'units': 'degrees_east',
             'coord_vals': [90],
             'cell_bounds': [89, 91]}
        ]

        axis_ids = list()
        for axis in axes:
            axis_id = cmor.axis(**axis)
            axis_ids.append(axis_id)
        varid = cmor.variable('pr', 'kg m-2 s-1', axis_ids)
        cmor.write(varid, [0.000005, 0.000006])
        self.path = cmor.close(varid, file_name=True)

        self.assertEqual(os.path.basename(self.path),
                         'pr_Esubhr_PCMDI-test-1-0_piControl-withism_'
                         'r3i1p1f1_gn_20000101001230-20000101003731.nc')

    def test_monclim_rounding_start_time(self):
        table = 'Tables/CMIP6_Oclim.json'
        cmor.load_table(table)
        axes = [
            {'table_entry': 'time2',
             'units': 'days since 2000-01-01 00:00:00',
             'coord_vals': np.array([15, 45]),
             'cell_bounds': [[-0.00001, 31], [31, 59]]},
            {'table_entry': 'latitude',
             'units': 'degrees_north',
             'coord_vals': [0],
             'cell_bounds': [-1, 1]},
            {'table_entry': 'longitude',
             'units': 'degrees_east',
             'coord_vals': [90],
             'cell_bounds': [89, 91]}
        ]

        axis_ids = list()
        for axis in axes:
            axis_id = cmor.axis(**axis)
            axis_ids.append(axis_id)
        varid = cmor.variable('difmxybo2d', 'm4 s-1', axis_ids)
        cmor.write(varid, [273, 274])
        self.path = cmor.close(varid, file_name=True)

        self.assertEqual(os.path.basename(self.path),
                         'difmxybo_Oclim_PCMDI-test-1-0_piControl-withism_'
                         'r3i1p1f1_gn_200001-200002-clim.nc')

    def test_monclim_rounding_end_time(self):
        """
        60 days since 2000-01-01 is 2000-03-01 00:00:00 and so this test makes
        sure that an end date at the start of the month is displayed as the
        previous month.
        """
        table = 'Tables/CMIP6_Oclim.json'
        cmor.load_table(table)
        axes = [
            {'table_entry': 'time2',
             'units': 'days since 2000-01-01 00:00:00',
             'coord_vals': np.array([15, 45]),
             'cell_bounds': [[0, 31], [31, 60]]},
            {'table_entry': 'latitude',
             'units': 'degrees_north',
             'coord_vals': [0],
             'cell_bounds': [-1, 1]},
            {'table_entry': 'longitude',
             'units': 'degrees_east',
             'coord_vals': [90],
             'cell_bounds': [89, 91]}
        ]

        axis_ids = list()
        for axis in axes:
            axis_id = cmor.axis(**axis)
            axis_ids.append(axis_id)
        varid = cmor.variable('difmxybo2d', 'm4 s-1', axis_ids)
        cmor.write(varid, [273, 274])
        self.path = cmor.close(varid, file_name=True)

        self.assertEqual(os.path.basename(self.path),
                         'difmxybo_Oclim_PCMDI-test-1-0_piControl-withism_'
                         'r3i1p1f1_gn_200001-200002-clim.nc')

    def test_fx(self):
        table = 'Tables/CMIP6_fx.json'
        cmor.load_table(table)
        axes = [
            {'table_entry': 'latitude',
             'units': 'degrees_north',
             'coord_vals': [0],
             'cell_bounds': [-1, 1]},
            {'table_entry': 'longitude',
             'units': 'degrees_east',
             'coord_vals': [90],
             'cell_bounds': [89, 91]}
        ]

        axis_ids = list()
        for axis in axes:
            axis_id = cmor.axis(**axis)
            axis_ids.append(axis_id)
        varid = cmor.variable('orog', 'm', axis_ids)
        cmor.write(varid, [273, 274])
        self.path = cmor.close(varid, file_name=True)

        self.assertEqual(os.path.basename(self.path),
                         'orog_fx_PCMDI-test-1-0_piControl-withism_'
                         'r3i1p1f1_gn.nc')

#    def tearDown(self):
#        if self.path:
#            if os.path.exists(self.path):
#                os.remove(self.path)


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