import os
import sys
import shutil
import bpy
import platform
import json
from bpy.props import *
import subprocess
import atexit
import webbrowser
import write_data
import nodes_logic
import nodes_pipeline
import nodes_world
from armory import ArmoryExporter

def defaultSettings():
	wrd = bpy.data.worlds[0]
	wrd['CGVersion'] = "16.1.0"
	wrd['CGProjectTarget'] = 0
	wrd['CGProjectName'] = "cycles_game"
	wrd['CGProjectPackage'] = "game"
	wrd['CGProjectWidth'] = 1136
	wrd['CGProjectHeight'] = 640
	wrd['CGProjectScene'] = bpy.data.scenes[0].name
	wrd['CGAA'] = 1
	wrd['CGPhysics'] = 0
	wrd['CGMinimize'] = (True)
	# Make sure we are using cycles
	if bpy.data.scenes[0].render.engine == 'BLENDER_RENDER':
		for scene in bpy.data.scenes:
			scene.render.engine = 'CYCLES'

# Store properties in the world object
def initWorldProperties():
	bpy.types.World.CGVersion = StringProperty(name = "CGVersion")
	bpy.types.World.CGProjectTarget = EnumProperty(
		items = [('HTML5', 'HTML5', 'HTML5'), 
				 ('Windows', 'Windows', 'Windows'), 
				 ('OSX', 'OSX', 'OSX'),
				 ('Linux', 'Linux', 'Linux'), 
				 ('iOS', 'iOS', 'iOS'),
				 ('Android', 'Android', 'Android')],
		name = "Target")
	bpy.types.World.CGProjectName = StringProperty(name = "Name")
	bpy.types.World.CGProjectPackage = StringProperty(name = "Package")
	bpy.types.World.CGProjectWidth = IntProperty(name = "Width")
	bpy.types.World.CGProjectHeight = IntProperty(name = "Height")
	bpy.types.World.CGProjectScene = StringProperty(name = "Scene")
	bpy.types.World.CGAA = EnumProperty(
		items = [('Disabled', 'Disabled', 'Disabled'), 
				 ('16X', '16X', '16X')],
		name = "Anti-aliasing")
	bpy.types.World.CGPhysics = EnumProperty(
		items = [('Disabled', 'Disabled', 'Disabled'), 
				 ('Bullet', 'Bullet', 'Bullet')],
		name = "Physics")
	bpy.types.World.CGMinimize = BoolProperty(name = "Minimize")

	# Default settings
	if not 'CGVersion' in bpy.data.worlds[0]:
		defaultSettings()

	# Use material nodes
	for mat in bpy.data.materials:
		bpy.ops.cycles.use_shading_nodes({"material":mat})
	# Use world nodes
	for wrd in bpy.data.worlds:
		bpy.ops.cycles.use_shading_nodes({"world":wrd})
	
	return

# Info panel play
def draw_play_item(self, context):
	layout = self.layout
	layout.operator("cg.play")

# Menu in render region
class ToolsPanel(bpy.types.Panel):
	bl_label = "Cycles Game"
	bl_space_type = "PROPERTIES"
	bl_region_type = "WINDOW"
	bl_context = "render"

	# Info panel play
	#bpy.types.INFO_HT_header.prepend(draw_play_item)
	bpy.types.VIEW3D_HT_header.append(draw_play_item)
 
	def draw(self, context):
		layout = self.layout
		wrd = bpy.data.worlds[0]
		layout.prop(wrd, 'CGProjectName')
		layout.prop(wrd, 'CGProjectPackage')
		row = layout.row()
		row.prop(wrd, 'CGProjectWidth')
		row.prop(wrd, 'CGProjectHeight')
		layout.prop_search(wrd, "CGProjectScene", bpy.data, "scenes", "Scene")
		layout.prop(wrd, 'CGProjectTarget')
		layout.operator("cg.build")
		row = layout.row(align=True)
		row.alignment = 'EXPAND'
		row.operator("cg.folder")
		row.operator("cg.clean")
		layout.prop(wrd, 'CGAA')
		layout.prop(wrd, 'CGPhysics')
		layout.prop(wrd, 'CGMinimize')

class Object:
	def to_JSON(self):
		if bpy.data.worlds[0]['CGMinimize'] == True:
			return json.dumps(self, default=lambda o: o.__dict__, separators=(',',':'))
		else:
			return json.dumps(self, default=lambda o: o.__dict__, sort_keys=True, indent=4)

# Transform Blender data into game data
def exportGameData():
	shader_references = []
	asset_references = []
	
	# Build nodes # TODO: only if needed
	nodes_logic.buildNodeTrees()
	nodes_pipeline.buildNodeTrees()
	nodes_world.buildNodeTrees(shader_references, asset_references) # TODO: Have to build nodes everytime to collect env map resources, should be cached 

	# TODO: Set armatures to center of world so skin transform is zero
	armatures = []
	for o in bpy.data.objects:
		if o.type == 'ARMATURE':
			a = Object()
			a.armature = o
			a.x = o.location.x
			a.y = o.location.y
			a.z = o.location.z
			armatures.append(a)
			o.location.x = 0
			o.location.y = 0
			o.location.z = 0

	# Export scene data
	for scene in bpy.data.scenes:
		if scene.name[0] != '.': # Skip hidden scenes
			bpy.ops.export_scene.armory({"scene":scene}, filepath='Assets/generated/' + scene.name + '.json')
			shader_references += ArmoryExporter.shader_references
			asset_references += ArmoryExporter.asset_references

	# Move armatures back
	for a in armatures:
		a.armature.location.x = a.x
		a.armature.location.y = a.y
		a.armature.location.z = a.z
	
	# Write khafile.js
	write_data.write_khafilejs(shader_references, asset_references)

	# Write Main.hx
	write_data.write_main()

def buildProject(self, build_type=0):
	# Save blend
	bpy.ops.wm.save_mainfile()

	# Save scripts
	#area = bpy.context.area
	#old_type = area.type
	#area.type = 'TEXT_EDITOR'
	#for text in bpy.data.texts:
		#area.spaces[0].text = text
		#bpy.ops.text.save()
	##bpy.ops.text.save()
	#area.type = old_type
	
	# Set dir
	s = bpy.data.filepath.split(os.path.sep)
	name = s.pop()
	name = name.split(".")
	name = name[0]
	fp = os.path.sep.join(s)
	os.chdir(fp)

	# Export
	exportGameData()
	
	# Set build command
	if (bpy.data.worlds[0]['CGProjectTarget'] == 0):
		bashCommand = "-t html5"
	elif (bpy.data.worlds[0]['CGProjectTarget'] == 1):
		bashCommand = "-t windows"
	elif (bpy.data.worlds[0]['CGProjectTarget'] == 2):
		bashCommand = "-t osx"
	elif (bpy.data.worlds[0]['CGProjectTarget'] == 3):
		bashCommand = "-t linux"
	elif (bpy.data.worlds[0]['CGProjectTarget'] == 4):
		bashCommand = "-t ios"
	elif (bpy.data.worlds[0]['CGProjectTarget'] == 5):
		bashCommand = "-t android-native"
	
	# Build
	haxelib_path = "haxelib"
	if platform.system() == 'Darwin':
		haxelib_path = "/usr/local/bin/haxelib"

	prefix =  haxelib_path + " run kha "

	output = subprocess.check_output([haxelib_path + " path cyclesgame"], shell=True)
	output = str(output).split("\\n")[0].split("'")[1]
	scripts_path = output[:-8] + "blender/"

	blender_path = bpy.app.binary_path
	blend_path = bpy.data.filepath
	p = subprocess.Popen([blender_path, blend_path, '-b', '-P', scripts_path + 'lib/build.py', '--', bashCommand, str(build_type), str(bpy.data.worlds[0]['CGProjectTarget'])])
	#p = subprocess.Popen([blender_path, blend_path, '-b', '-P', scripts_path + 'lib/build.py', '--', prefix + bashCommand, str(build_type), str(bpy.data.worlds[0]['CGProjectTarget'])])
	atexit.register(p.terminate)
	
	self.report({'INFO'}, "Building, see console...")

def cleanProject(self):
	# Set dir
	s = bpy.data.filepath.split(os.path.sep)
	name = s.pop()
	name = name.split(".")
	name = name[0]
	fp = os.path.sep.join(s)
	os.chdir(fp)
	
	# Remove build data
	if os.path.isdir("build"):
		shutil.rmtree('build')

	# Remove generated data
	if os.path.isdir("Assets/generated"):
		shutil.rmtree('Assets/generated')

	# Remove compiled nodes
	nodes_path = "Sources/" + bpy.data.worlds[0].CGProjectPackage.replace(".", "/") + "/node/"
	if os.path.isdir(nodes_path):
		shutil.rmtree(nodes_path)

	self.report({'INFO'}, "Done")

# Play
class OBJECT_OT_PLAYButton(bpy.types.Operator):
	bl_idname = "cg.play"
	bl_label = "Play"
 
	def execute(self, context):
		buildProject(self, 1)
		return{'FINISHED'}

# Build
class OBJECT_OT_BUILDButton(bpy.types.Operator):
	bl_idname = "cg.build"
	bl_label = "Build"
 
	def execute(self, context):
		buildProject(self, 0)
		return{'FINISHED'}

# Open project folder
class OBJECT_OT_FOLDERButton(bpy.types.Operator):
	bl_idname = "cg.folder"
	bl_label = "Folder"
 
	def execute(self, context):
		s = bpy.data.filepath.split(os.path.sep)
		name = s.pop()
		name = name.split(".")
		name = name[0]
		fp = os.path.sep.join(s)
	
		webbrowser.open('file://' + fp)
		return{'FINISHED'}
	
# Clean project
class OBJECT_OT_CLEANButton(bpy.types.Operator):
	bl_idname = "cg.clean"
	bl_label = "Clean"
 
	def execute(self, context):
		cleanProject(self)
		return{'FINISHED'}

# Registration
def register():
	bpy.utils.register_module(__name__)
	# Store properties in world
	initWorldProperties()

def unregister():
	bpy.utils.unregister_module(__name__)