from __future__ import print_function
import cmor
import numpy


vars = {
    'hfls': [
        'W.m-2',
        25.,
        40.],
    'tas': [
        'K',
        25,
        268.15],
    'clt': [
        '%',
        10000.,
        0.],
    'ta': [
        'K',
        25,
        273.15]}


nlat = 90
dlat = 180 / nlat
nlon = 180
dlon = 360. / nlon
nlev = 19
ntimes = 12

lats = numpy.arange(-90 + dlat / 2., 90, dlat)
blats = numpy.arange(-90, 90 + dlat, dlat)
lons = numpy.arange(0 + dlon / 2., 360., dlon)
blons = numpy.arange(0, 360. + dlon, dlon)


tvars = ['hfls', 'tas', 'clt', 'ta']

cmor.setup(inpath='Tables', netcdf_file_action=cmor.CMOR_REPLACE)
cmor.dataset_json("Test/CMOR_input_example.json")
table = 'CMIP6_Amon.json'
cmor.load_table(table)

for var in tvars:
    ilat = cmor.axis(
        table_entry='latitude',
        coord_vals=lats,
        cell_bounds=blats,
        units='degrees_north')
    ilon = cmor.axis(
        table_entry='longitude',
        coord_vals=lons,
        cell_bounds=blons,
        units='degrees_east')
    itim = cmor.axis(
        table_entry='time', coord_vals=numpy.arange(
            ntimes, dtype=numpy.float), cell_bounds=numpy.arange(
            ntimes + 1, dtype=float), units='months since 2000')
    ilev = cmor.axis(table_entry='plev19',
                     coord_vals=numpy.array([1000.,
                                             925,
                                             850,
                                             700,
                                             600,
                                             500,
                                             400,
                                             300,
                                             250,
                                             200,
                                             150,
                                             100,
                                             70,
                                             50,
                                             30,
                                             20,
                                             10,
                                             5,
                                             1]),
                     units='hPa')

    if var != 'ta':
        axes = [itim, ilat, ilon]
        data = numpy.random.random(
            (ntimes, nlat, nlon)) * vars[var][1] + vars[var][2]
    else:
        axes = [itim, ilev, ilat, ilon]
        data = numpy.random.random(
            (ntimes, nlev, nlat, nlon)) * vars[var][1] + vars[var][2]

    kw = {}
    if var in ['hfss', 'hfls']:
        kw['positive'] = 'up'
    var = cmor.variable(
        table_entry=var,
        units=vars[var][0],
        axis_ids=axes,
        **kw)

    cmor.write(var, data)
    path = cmor.close(var, file_name=True)
    print('Saved in:', path)

cmor.close()


print('hello')
