import functools
import typing as typ
import json
from pathlib import Path

import bpy
import sympy as sp
import pydantic as pyd
import tidy3d as td

from ... import contracts as ct
from ... import sockets
from .. import base
from ...managed_objs import managed_bl_object


class ConsoleViewOperator(bpy.types.Operator):
	bl_idname = "blender_maxwell.console_view_operator"
	bl_label = "View Plots"

	@classmethod
	def poll(cls, context):
		return True

	def execute(self, context):
		node = context.node
		node.print_data_to_console()
		return {'FINISHED'}

class RefreshPlotViewOperator(bpy.types.Operator):
	bl_idname = "blender_maxwell.refresh_plot_view_operator"
	bl_label = "Refresh Plots"

	@classmethod
	def poll(cls, context):
		return True

	def execute(self, context):
		node = context.node
		node.trigger_action("value_changed", "Data")
		return {'FINISHED'}

####################
# - Node
####################
class ViewerNode(base.MaxwellSimNode):
	node_type = ct.NodeType.Viewer
	bl_label = "Viewer"
	
	input_sockets = {
		"Data": sockets.AnySocketDef(),
	}
	
	####################
	# - Properties
	####################
	auto_plot: bpy.props.BoolProperty(
		name="Auto-Plot",
		description="Whether to auto-plot anything plugged into the viewer node",
		default=False,
		update=lambda self, context: self.sync_prop("auto_plot", context),
	)
	
	auto_3d_preview: bpy.props.BoolProperty(
		name="Auto 3D Preview",
		description="Whether to auto-preview anything 3D, that's plugged into the viewer node",
		default=False,
		update=lambda self, context: self.sync_prop("auto_3d_preview", context),
	)
	
	####################
	# - UI
	####################
	def draw_operators(self, context, layout):
		split = layout.split(factor=0.4)
		
		# Split LHS
		col = split.column(align=False)
		col.label(text="Console")
		col.label(text="Plot")
		col.label(text="3D")
		
		# Split RHS
		col = split.column(align=False)
		
		## Console Options
		col.operator(ConsoleViewOperator.bl_idname, text="Print")
		
		## Plot Options
		row = col.row(align=True)
		row.prop(self, "auto_plot", text="Plot", toggle=True)
		row.operator(
			RefreshPlotViewOperator.bl_idname,
			text="",
			icon="FILE_REFRESH",
		)
		
		## 3D Preview Options
		row = col.row(align=True)
		row.prop(self, "auto_3d_preview", text="3D Preview", toggle=True)
	
	####################
	# - Methods
	####################
	def print_data_to_console(self):
		if not (data := self._compute_input("Data")):
			return
		
		if isinstance(data, sp.Basic):
			sp.pprint(data, use_unicode=True)
		
		print(str(data))
	
	####################
	# - Updates
	####################
	@base.on_value_changed(
		socket_name="Data",
		props={"auto_3d_preview"},
	)
	def on_value_changed__data(self, props):
		# Show Plot
		## Don't have to un-show other plots.
		if self.auto_plot:
			self.trigger_action("show_plot")
		
		# Remove Anything Previewed
		preview_collection = managed_bl_object.bl_collection(
			managed_bl_object.PREVIEW_COLLECTION_NAME,
			view_layer_exclude=False,
		)
		for bl_object in preview_collection.objects.values():
			preview_collection.objects.unlink(bl_object)
		
		# Preview Anything that Should be Previewed (maybe)
		if props["auto_3d_preview"]:
			self.trigger_action("show_preview")
	
	@base.on_value_changed(
		prop_name="auto_3d_preview",
		props={"auto_3d_preview"},
	)
	def on_value_changed__auto_3d_preview(self, props):
		# Remove Anything Previewed
		preview_collection = managed_bl_object.bl_collection(
			managed_bl_object.PREVIEW_COLLECTION_NAME,
			view_layer_exclude=False,
		)
		for bl_object in preview_collection.objects.values():
			preview_collection.objects.unlink(bl_object)
		
		# Preview Anything that Should be Previewed (maybe)
		if props["auto_3d_preview"]:
			self.trigger_action("show_preview")


####################
# - Blender Registration
####################
BL_REGISTER = [
	ConsoleViewOperator,
	RefreshPlotViewOperator,
	ViewerNode,
]
BL_NODES = {
	ct.NodeType.Viewer: (
		ct.NodeCategory.MAXWELLSIM_OUTPUTS
	)
}