"""

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


"""
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()

# this line is needed when running from batch script
# os.sys.path.append(os.getcwd() +'\\rtc\\rtc_brantas\\bin\\')

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)

print "start = ", start  # time.strftime("%Y-%m-%d %H:%M:%S", time.gmtime(start))
print "start time rtc =", time.strftime(
    "%Y-%m-%d %H:%M:%S", time.gmtime(bmiobj.bmimodels["RTC-Tools"].get_start_time())
)
print "start time wflow =", time.strftime(
    "%Y-%m-%d %H:%M:%S", time.gmtime(bmiobj.bmimodels["wflow_sbm"].get_start_time())
)
print "start time lintul =", time.strftime(
    "%Y-%m-%d %H:%M:%S", time.gmtime(bmiobj.bmimodels["wflow_lintul"].get_start_time())
)


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

    bmiobj.update()
    cts = bmiobj.currenttimestep


# else:
#    bmiobj.bmimodels['RTC-Tools'].update()
#    bmiobj.bmimodels['wflow_sbm'].update()
#    bmiobj.bmimodels['wflow_lintul'].update()
#    cts = bmiobj.currenttimestep

bmiobj.bmimodels["RTC-Tools"].finalize()
bmiobj.bmimodels["wflow_sbm"].finalize()
bmiobj.bmimodels["wflow_lintul"].finalize()
combilogger.info("Finishing run")