# -*- coding: cp1252 -*-
"""Common filenames and locations for topographic data, meshes and outputs.
"""

from os import sep, environ, getenv, getcwd
from os.path import expanduser
import sys
from time import localtime, strftime, gmtime
from anuga.utilities.polygon import read_polygon, plot_polygons, is_inside_polygon, number_mesh_triangles
#from anuga.coordinate_transforms.redfearn import degminsec2decimal_degrees, convert_points_from_latlon_to_utm
from anuga.utilities.system_tools import get_user_name, get_host_name
from anuga.shallow_water.data_manager import urs2sts,create_sts_boundary
from anuga.utilities.polygon import read_polygon, plot_polygons, polygon_area, is_inside_polygon

# file and system info
#---------------------------------
#codename = 'project.py'

home = getenv('INUNDATIONHOME') + sep +'data'+sep #Sandpit's parent diruser = get_user_name()
muxhome = getenv('MUXHOME')
user = get_user_name()
host = get_host_name()

# INUNDATIONHOME is the inundation directory, not the data directory.

#time stuff
time = strftime('%Y%m%d_%H%M%S',localtime()) #gets time for new dir
gtime = strftime('%Y%m%d_%H%M%S',gmtime()) #gets time for new dir
build_time = time+'_build'
run_time = time+'_run'
print 'gtime: ', gtime

#Making assumptions about the location of scenario data
state = 'western_australia'
#scenario_name = 'perth_44unitsources'
scenario_name = 'perth'
scenario = 'perth_tsunami_scenario'


tide = 0.0 #0.6

alpha = 0.1
friction=0.01
starttime=0
finaltime=80000 
export_cellsize=25
setup='final'
source='polyline'

if setup =='trial':
    print'trial'
    res_factor=10
    time_thinning=48
    yieldstep=240
if setup =='basic': 
    print'basic'
    res_factor=4
    time_thinning=12
    yieldstep=120
if setup =='final': 
    print'final'
    res_factor=1
    time_thinning=4
    yieldstep=60

dir_comment='_'+setup+'_'+str(tide)+'_'+str(source)+'_'+ 'alpha' +str(alpha)+'_'+str(user)

# onshore data provided by WA DLI
onshore_name = 'perth_dli_ext' # original
#island
island_name = 'rott_dli_ext' # original
island_name1 = 'gard_dli_ext'
island_name2 = 'carnac_island_dli_ext'
island_name3 = 'penguin_dli_ext'

# AHO + DPI data + colin French coastline
coast_name = 'coastline_perthP'
offshore_name = 'Perth_Clip'
offshore_name1 = 'Perth_Chart'
offshore_name2 = 'Fremantle_north'


#final topo name
combined_name ='perth_combined_elevation'
combined_smaller_name = 'perth_combined_elevation_smaller'

anuga_dir = home+state+sep+scenario+sep+'anuga'+sep

topographies_in_dir = home+state+sep+scenario+sep+'elevation_final'+sep+'points'+sep
topographies_dir = anuga_dir+'topographies'+sep

# input topo file location
onshore_in_dir_name = topographies_in_dir + onshore_name
island_in_dir_name = topographies_in_dir + island_name
island_in_dir_name1 = topographies_in_dir + island_name1
island_in_dir_name2 = topographies_in_dir + island_name2
island_in_dir_name3 = topographies_in_dir + island_name3

coast_in_dir_name = topographies_in_dir + coast_name
offshore_in_dir_name = topographies_in_dir + offshore_name
offshore_in_dir_name1 = topographies_in_dir + offshore_name1
offshore_in_dir_name2 = topographies_in_dir + offshore_name2

onshore_dir_name = topographies_dir + onshore_name
island_dir_name = topographies_dir + island_name
island_dir_name1 = topographies_dir + island_name1
island_dir_name2 = topographies_dir + island_name2
island_dir_name3 = topographies_dir + island_name3

coast_dir_name = topographies_dir + coast_name
offshore_dir_name = topographies_dir + offshore_name
offshore_dir_name1 = topographies_dir + offshore_name1
offshore_dir_name2 = topographies_dir + offshore_name2

#final topo files
combined_dir_name = topographies_dir + combined_name
#combined_time_dir_name = topographies_time_dir + combined_name
combined_smaller_name_dir = topographies_dir + combined_smaller_name
#combined_time_dir_final_name = topographies_time_dir + combined_final_name

meshes_dir = anuga_dir+'meshes'+sep
meshes_dir_name = meshes_dir + scenario_name

polygons_dir = anuga_dir+'polygons'+sep
tide_dir = anuga_dir+'tide_data'+sep


#boundaries_source = '1'
    
if source=='polyline':
    boundaries_name = 'perth_3103_28052008' #polyline gun
    boundaries_in_dir = anuga_dir+'boundaries'+sep+'urs'+sep+'polyline'+sep+'1_10000'+sep

if source=='test':
    boundaries_name = 'other' #polyline
    boundaries_in_dir = anuga_dir+'boundaries'+sep


#boundaries locations
boundaries_in_dir_name = boundaries_in_dir + boundaries_name 
boundaries_dir = anuga_dir+'boundaries'+sep
boundaries_dir_name = boundaries_dir + scenario_name # what it creates???
boundaries_dir_mux = muxhome

#output locations
output_dir = anuga_dir+'outputs'+sep
output_build_time_dir = anuga_dir+'outputs'+sep+build_time+dir_comment+sep
output_run_time_dir = anuga_dir+'outputs'+sep+run_time+dir_comment+sep
output_run_time_dir_name = output_run_time_dir + scenario_name  #Used by post processing

vertex_filename = output_run_time_dir + 'mesh_vertex.csv'

#gauges
gauge_name = 'perth.csv'
gauge_name2 = 'thinned_MGA50.csv'


gauges_dir = home+sep+state+sep+scenario+sep+'anuga'+sep+'gauges'+sep
beach_gauges = gauges_dir + 'beach_gauges.csv'
gauges_dir_name = gauges_dir + gauge_name
gauges_dir_name2 = gauges_dir + gauge_name2

buildings_filename = gauges_dir + 'Perth_resA.csv'
buildings_filename_out = 'Perth_res_Project_modified.csv'

###############################
# Interior region definitions
###############################

#Initial bounding polygon for data clipping 
poly_all = read_polygon(polygons_dir+'poly_all.csv')
res_poly_all = 100000*res_factor

#Polygon designed by 20m contours, or 3km from the coastline
poly_internal_20_3 = read_polygon(polygons_dir+'internal_h20mORd3km.csv')
res_internal_20_3 = 25000*res_factor

#Polygon designed to cut out the rottnest island land.
poly_rottnest_in = read_polygon(polygons_dir+'rottnest_internal.csv')
res_rottnest_in = 100000*res_factor

#Polygon designed to incorporate Garden Island and sand bank infront of Rockingham
poly_garden_rockingham = read_polygon(polygons_dir+'garden_rockingham.csv')
res_garden_rockingham = 1000*res_factor

#Polygon designed to incorporate coastline of rottnest
poly_rottnest_ex = read_polygon(polygons_dir+'rottnest_external.csv')
res_rottnest_ex = 1000*res_factor

#Polygon designed to incorporate perth and Fremantle CBD
poly_cbd = read_polygon(polygons_dir+'CBD_coastal.csv')
res_cbd = 500*res_factor

#Polygon designed to incorporate rockingham and penguin island
poly_rockingham = read_polygon(polygons_dir+'rockingham_penguin.csv')
res_rockingham = 500*res_factor

#Polygon designed to incorporate bottom of Garden Island for image verification
poly_garden = read_polygon(polygons_dir+'garden.csv')
res_garden = 500*res_factor

poly_geordie_bay = read_polygon(polygons_dir+'geordie_bay.csv')
res_geordie_bay = 500*res_factor

poly_sorrento_gauge = read_polygon(polygons_dir+'sorrento_gauge.csv')
res_sorrento_gauge = 500*res_factor

#Polygon designed to incorporate Dredge Area from Fremantle to
#Rockingham the steep incline was making the mesh go to 0
poly_dredge = read_polygon(polygons_dir+'DredgeArea.csv')
res_dredge = 1000*res_factor

#assert zone == refzone

interior_regions = [[poly_internal_20_3,res_internal_20_3],[poly_cbd,res_cbd]
                     ,[poly_garden_rockingham,res_garden_rockingham]
                     ,[poly_rockingham,res_rockingham],[poly_geordie_bay,res_geordie_bay]
                     ,[poly_sorrento_gauge,res_sorrento_gauge],[poly_rottnest_in, res_rottnest_in]
                     ,[poly_rottnest_ex, res_rottnest_ex], [poly_garden, res_garden]
                     ,[poly_dredge, res_dredge]]

    
trigs_min = number_mesh_triangles(interior_regions, poly_all, res_poly_all)
print 'min number triangles', trigs_min
   

poly_mainland = read_polygon(polygons_dir+'initial_condition.csv')

###################################################################
# Clipping regions for export to asc and regions for clipping data
###################################################################


#Geordie Bay extract ascii grid
xminGeordie = 358000
xmaxGeordie = 362000
yminGeordie = 6458500
ymaxGeordie = 6461000

#Sorrento extract ascii grid
xminSorrento = 379000
xmaxSorrento = 382500
yminSorrento = 6477000
ymaxSorrento = 6480000

#Fremantle extract ascii grid
xminFremantle = 376000
xmaxFremantle = 388000
yminFremantle = 6449000
ymaxFremantle = 6461000

#Rockingham extract ascii grid
xminRockingham = 373500
xmaxRockingham = 385500
yminRockingham = 6424000
ymaxRockingham = 6433000