"""Common filenames and locations for topographic data, meshes and outputs.
"""

#Assume INUNDATIONHOME environment variable points to the parent directory of the source data

from os import sep, environ
from os.path import expanduser
import sys

#Making assumptions about the location of scenario data
scenario_dir_name = 'karratha_tsunami_scenario_2005'
#basename = 'karratha_100m'
basename = 'elevation50m'
boundary_basename = 'SU-AU'


if sys.platform == 'win32':
    home = environ["INUNDATIONHOME"]     #Sandpit's parent dir    
    #home = '..\..\..\..\..'     #Sandpit's parent dir
else:    
    home = expanduser('~')


#Derive subdirectories and filenames
meshdir = home+sep+scenario_dir_name+sep+'meshes'+sep
datadir = home+sep+scenario_dir_name+sep+'topographies'+sep
outputdir = home+sep+scenario_dir_name+sep+'output'+sep
boundarydir = home+sep+scenario_dir_name+sep+'boundaries'+sep

meshname = meshdir + basename
demname = datadir + basename
boundaryname = boundarydir + boundary_basename
outputname = outputdir + basename  #Used by post processing

#gauge_filename = 'all_bld_ind.csv'
gauge_filename = 'karratha_buildings_23112005.csv'


#Georeferencing
from anuga.coordinate_transforms.redfearn import degminsec2decimal_degrees

#Origin of existing dem (FIXME: Temporary measure)
#mesh_origin = (50, 421544.35127423, 7677669.5257159)  #250m
mesh_origin = (50, 420468.31429902, 7677669.5257159)  #100m


#south = degminsec2decimal_degrees(-20,45,0)
#north = degminsec2decimal_degrees(-20,15,0)
#west = degminsec2decimal_degrees(116,30,0)
#east = degminsec2decimal_degrees(117,0,0)

south = degminsec2decimal_degrees(-20,55,0)
north = degminsec2decimal_degrees(-20,15,0)
west = degminsec2decimal_degrees(116,17,0)
east = degminsec2decimal_degrees(117,10,0)

p0 = [south, degminsec2decimal_degrees(116,32,0)]
p1 = [south, west]
p2 = [degminsec2decimal_degrees(-20,23,0), west]
p3 = [north, degminsec2decimal_degrees(116,45,0)]
p4 = [north, degminsec2decimal_degrees(117,0,0)]
p5 = [p2[0], degminsec2decimal_degrees(117,8,0)]
p6 = [degminsec2decimal_degrees(-20,30,0), east]
p7 = [degminsec2decimal_degrees(-20,38,0), east]
p8 = [south, east]
    
polygon = [p0, p1, p2, p3, p4, p5, p6, p7, p8]
refzone = 50


#Interior regions
karratha_south = degminsec2decimal_degrees(-20,44,0)
karratha_north = degminsec2decimal_degrees(-20,42,0)
karratha_west = degminsec2decimal_degrees(116,48,0)
karratha_east = degminsec2decimal_degrees(116,53,30)

k0 = [karratha_south, karratha_west]
k1 = [karratha_south, karratha_east]
k2 = [karratha_north, karratha_east]
k3 = [karratha_north, karratha_west]    

karratha_polygon = [k0, k1, k2, k3]


#Interior regions
dampier_south = degminsec2decimal_degrees(-20,40,0)
dampier_north = degminsec2decimal_degrees(-20,38,10)
dampier_west = degminsec2decimal_degrees(116,43,0)
dampier_east = degminsec2decimal_degrees(116,45,0)

d0 = [dampier_south, dampier_west]
d1 = [dampier_south, dampier_east]
d2 = [dampier_north, dampier_east]
d3 = [dampier_north, dampier_west]    

dampier_polygon = [d0, d1, d2, d3]


#Interior regions
refinery_south = degminsec2decimal_degrees(-20,37,50)
refinery_north = degminsec2decimal_degrees(-20,36,0)
refinery_west = degminsec2decimal_degrees(116,44,0)
refinery_east = degminsec2decimal_degrees(116,46,10)

d0 = [refinery_south, refinery_west]
d1 = [refinery_south, refinery_east]
d2 = [refinery_north, refinery_east]
d3 = [refinery_north, refinery_west]    

refinery_polygon = [d0, d1, d2, d3]


#Interior region around 468899, 7715177:
#lat (-20, 39, 44.93753), lon (116, 42, 5.09106)

point_south = degminsec2decimal_degrees(-20,39,46)
point_north = degminsec2decimal_degrees(-20,39,42)
point_west = degminsec2decimal_degrees(116,42,0)
point_east = degminsec2decimal_degrees(116,42,10)

d0 = [point_south, point_west]
d1 = [point_south, point_east]
d2 = [point_north, point_east]
d3 = [point_north, point_west]    

point_polygon = [d0, d1, d2, d3]


#Neils areas around interesting points
neil1_point1 = [degminsec2decimal_degrees(-20,35,34),
                degminsec2decimal_degrees(116,45,18)]
neil1_point2 = [degminsec2decimal_degrees(-20,36,15),
                degminsec2decimal_degrees(116,46,18)]
neil1_point3 = [degminsec2decimal_degrees(-20,35,9),
                degminsec2decimal_degrees(116,47,17)]
neil1_point4 = [degminsec2decimal_degrees(-20,34,26),
                degminsec2decimal_degrees(116,46,17)]

neil1_polygon = [neil1_point1, neil1_point2, neil1_point3, neil1_point4]



neil2_point1 = [degminsec2decimal_degrees(-20,39,36),
                degminsec2decimal_degrees(116,41,33)]
neil2_point2 = [degminsec2decimal_degrees(-20,40,10),
                degminsec2decimal_degrees(116,42,13)]
neil2_point3 = [degminsec2decimal_degrees(-20,38,39),
                degminsec2decimal_degrees(116,43,49)]
neil2_point4 = [degminsec2decimal_degrees(-20,38,5),
                degminsec2decimal_degrees(116,43,9)]

neil2_polygon = [neil2_point1, neil2_point2, neil2_point3, neil2_point4]




#Withnell bay
wb_point1 = [degminsec2decimal_degrees(-20,35,34),
                degminsec2decimal_degrees(116,45,18)]
wb_point2 = [degminsec2decimal_degrees(-20,36,15),
                degminsec2decimal_degrees(116,46,18)]
wb_point3 = [degminsec2decimal_degrees(-20,35,9),
                degminsec2decimal_degrees(116,47,17)]
wb_point4 = [degminsec2decimal_degrees(-20,34,26),
                degminsec2decimal_degrees(116,46,17)]

wb_polygon = [wb_point1, wb_point2, wb_point3, wb_point4]




#Larger Withnell bay
lwb_point1 = [degminsec2decimal_degrees(-20,35,59),
                degminsec2decimal_degrees(116,42,00)]
lwb_point2 = [degminsec2decimal_degrees(-20,36,50),
                degminsec2decimal_degrees(116,46,50)]
lwb_point3 = [degminsec2decimal_degrees(-20,34,00),
                degminsec2decimal_degrees(116,47,39)]
lwb_point4 = [degminsec2decimal_degrees(-20,33,00),
                degminsec2decimal_degrees(116,42,50)]

lwb_polygon = [lwb_point1, lwb_point2, lwb_point3, lwb_point4]