"""Common filenames and locations for topographic data, meshes and outputs.
Also includes origin for slump scenario.
"""

from os import sep, environ, getenv, getcwd
import sys
from time import localtime, strftime
from os import mkdir, access, F_OK
from anuga.abstract_2d_finite_volumes.util import add_directories, \
     copy_code_files

from anuga.utilities.system_tools import get_user_name

#swollen/ all data output
basename = 'source'

user = get_user_name()
if sys.platform == 'win32':
    try:
        home = environ['INUNDATIONHOME']  
    except:
        home = '.'    
else:    
    home = getenv('INUNDATIONHOME', sep+'d'+sep+'cit'+sep+'1'+sep+'cit'+sep+'risk_assessment_methods_project'+sep+'inundation')     

if not access(home, F_OK):
    home = '.'

# Create the structure of where the output will go
create_scenario_dir = ['data','flumes','dam_2006']

scenariodir=add_directories(home, create_scenario_dir)


#Derive subdirectories and filenames
time = strftime('%Y%m%d_%H%M%S',localtime()) #gets time for new dir
outputdir = scenariodir+sep+'output'+sep
outputtimedir = outputdir+time+sep
meshdir = scenariodir+sep+'meshes'+sep



depth_filename = outputtimedir + "depth.csv"
velocity_x_filename = outputtimedir + "velocity_x.csv"
velocity_y_filename = outputtimedir + "velocity_y.csv"


# creates copy of output dir structure, if it doesn't exist
if not access(meshdir,F_OK):
    mkdir (meshdir)

if not access(outputdir,F_OK):
    mkdir (outputdir)
        
if not access(outputtimedir,F_OK):
    mkdir (outputtimedir)

codedir = getcwd()+sep                               
codedirname = codedir + 'project.py'

meshname = meshdir + basename

outputname = outputtimedir + basename  #Used by post processing

mesh_filename = meshname+'.msh'