# -*- coding: utf-8 -*-
"""
Created on Thu Oct  3 10:22:43 2019

@author: cwhanse
"""

import pandas as pd
from pvlib.pvsystem import sapm

parameters = {'A0': 0.928385,
              'A1': 0.068093,
              'A2': -0.0157738,
              'A3': 0.0016606,
              'A4': -6.93E-05,
              'B0': 1,
              'B1': -0.002438,
              'B2': 0.0003103,
              'B3': -0.00001246,
              'B4': 2.11E-07,
              'B5': -1.36E-09,
              'C0': 1.01284,
              'C1': -0.0128398,
              'C2': 0.279317,
              'C3': -7.24463,
              'C4': 0.996446,
              'C5': 0.003554,
              'C6': 1.15535,
              'C7': -0.155353,
              'Isco': 5.09115,
              'Impo': 4.54629,
              'Voco': 59.2608,
              'Vmpo': 48.3156,
              'Aisc': 0.000397,
              'Aimp': 0.000181,
              'Bvoco': -0.21696,
              'Mbvoc': 0.0,
              'Bvmpo': -0.235488,
              'Mbvmp': 0.0,
              'N': 1.4032,
              'Cells_in_Series': 96,
              'IXO': 4.97599,
              'IXXO': 3.18803,
              'FD': 1}

# parameters in columns, modules in rows
module = pd.DataFrame(data=parameters, index=['CS5M'], columns=parameters.keys())
# fails when more than one irradiance/temperature conditions is provided
out = sapm(effective_irradiance=[1, 1], temp_cell=[25, 25], module=module)

# parameters in rows, modules in columns
module = pd.Series(parameters).to_frame(name='CS5M')
# fails with KeyError
out = sapm(effective_irradiance=1, temp_cell=25, module=module)