"""

bmi2runner - runs multiple linked bmi models

Usage:

        bmi2runner -c configfile -l loglevel

        -l: loglevel (most be one of DEBUG, WARNING, ERROR)

Example ini file:

::

    [models]
    wflow_sbm=wflow_sbm/wflow_sbm_comb.ini
    wflow_routing=wflow_routing/wflow_routing_comb.ini

    [exchanges]
    # From_model/var -> To_model/var
    wflow_sbm@InwaterMM=wflow_routing@IW

"""

import wflow.wflow_bmi_combined as wfbmi
import wflow.pcrut as pcrut
import os



"""
Perform command line execution of the model.
"""

configfile = "bmi2runner.ini"

loglevel = 'INFO'
combilogger = pcrut.setlogger('bmi2runner.log','bmi2runner_logging',thelevel=loglevel)

# Construct object and initilize the models
combilogger.info('Starting combined bmi object')
bmiobj = wfbmi.wflowbmi_csdms()

bmiobj.initialize_config(configfile,loglevel=loglevel)
bmiobj.initialize_model()

#Get and set start and end times
start = bmiobj.get_start_time()
end = bmiobj.get_end_time()
bmiobj.set_start_time(start)
bmiobj.set_end_time(end)

#Update models (if necessary) to start time
bmiobj.update_to_start_time(start)

#Number of steps to run models
ts = bmiobj.get_time_step()
steps = int((end - start)/ts + 1)

cts = bmiobj.currenttimestep
# Loop over the time duration    
while cts < 30:#steps:

    bmiobj.update()
    cts = bmiobj.currenttimestep

bmiobj.bmimodels['wflow_sbm'].finalize()
bmiobj.bmimodels['wflow_lintul'].finalize()
combilogger.info('Finishing run')