import typing as typ

import bpy
import pydantic as pyd
import tidy3d as td

from .. import base
from ... import contracts as ct

BOUND_FACE_ITEMS = [
	("PML", "PML", "Perfectly matched layer"),
	("PEC", "PEC", "Perfect electrical conductor"),
	("PMC", "PMC", "Perfect magnetic conductor"),
	("PERIODIC", "Periodic", "Infinitely periodic layer"),
]
BOUND_MAP = {
	"PML": td.PML(),
	"PEC": td.PECBoundary(),
	"PMC": td.PMCBoundary(),
	"PERIODIC": td.Periodic(),
}

class MaxwellBoundCondsBLSocket(base.MaxwellSimSocket):
	socket_type = ct.SocketType.MaxwellBoundConds
	bl_label = "Maxwell Bound Box"
	
	####################
	# - Properties
	####################
	show_definition: bpy.props.BoolProperty(
		name="Show Bounds Definition",
		description="Toggle to show bound faces",
		default=False,
		update=(lambda self, context: self.sync_prop("show_definition", context)),
	)
		
	x_pos: bpy.props.EnumProperty(
		name="+x Bound Face",
		description="+x choice of default boundary face",
		items=BOUND_FACE_ITEMS,
		default="PML",
		update=(lambda self, context: self.sync_prop("x_pos", context)),
	)
	x_neg: bpy.props.EnumProperty(
		name="-x Bound Face",
		description="-x choice of default boundary face",
		items=BOUND_FACE_ITEMS,
		default="PML",
		update=(lambda self, context: self.sync_prop("x_neg", context)),
	)
	y_pos: bpy.props.EnumProperty(
		name="+y Bound Face",
		description="+y choice of default boundary face",
		items=BOUND_FACE_ITEMS,
		default="PML",
		update=(lambda self, context: self.sync_prop("y_pos", context)),
	)
	y_neg: bpy.props.EnumProperty(
		name="-y Bound Face",
		description="-y choice of default boundary face",
		items=BOUND_FACE_ITEMS,
		default="PML",
		update=(lambda self, context: self.sync_prop("y_neg", context)),
	)
	z_pos: bpy.props.EnumProperty(
		name="+z Bound Face",
		description="+z choice of default boundary face",
		items=BOUND_FACE_ITEMS,
		default="PML",
		update=(lambda self, context: self.sync_prop("z_pos", context)),
	)
	z_neg: bpy.props.EnumProperty(
		name="-z Bound Face",
		description="-z choice of default boundary face",
		items=BOUND_FACE_ITEMS,
		default="PML",
		update=(lambda self, context: self.sync_prop("z_neg", context)),
	)
	
	####################
	# - UI
	####################
	def draw_label_row(self, row: bpy.types.UILayout, text) -> None:
		row.label(text=text)
		row.prop(
			self, "show_definition", toggle=True, text="", icon="MOD_LENGTH"
		)
	
	def draw_value(self, col: bpy.types.UILayout) -> None:
		if not self.show_definition: return
		
		for axis in ["x", "y", "z"]:
			row = col.row(align=False)
			split = row.split(factor=0.2, align=False)
			
			_col = split.column(align=True)
			_col.alignment = "RIGHT"
			_col.label(text=axis + " -")
			_col.label(text=" +")
			
			_col = split.column(align=True)
			_col.prop(self, axis + "_neg", text="")
			_col.prop(self, axis + "_pos", text="")
	
	
	####################
	# - Computation of Default Value
	####################
	@property
	def value(self) -> td.BoundarySpec:
		return td.BoundarySpec(
			x=td.Boundary(
				plus=BOUND_MAP[self.x_pos],
				minus=BOUND_MAP[self.x_neg],
			),
			y=td.Boundary(
				plus=BOUND_MAP[self.y_pos],
				minus=BOUND_MAP[self.y_neg],
			),
			z=td.Boundary(
				plus=BOUND_MAP[self.z_pos],
				minus=BOUND_MAP[self.z_neg],
			),
		)

####################
# - Socket Configuration
####################
class MaxwellBoundCondsSocketDef(pyd.BaseModel):
	socket_type: ct.SocketType = ct.SocketType.MaxwellBoundConds
	
	def init(self, bl_socket: MaxwellBoundCondsBLSocket) -> None:
		pass

####################
# - Blender Registration
####################
BL_REGISTER = [
	MaxwellBoundCondsBLSocket,
]