import bpy
from bpy.types import UIList

# import collections
# import inspect
from .core.addon_utils import get_operator_from_id, get_picker_collection
from .core.bl_utils import get_mat

import re


# class RP_UL_picker_source(UIList):
#     def draw_item(self, context, layout, data, item, _icon, _active_data, _active_propname, _index):
#         ob = context.object
#         row = layout.row(align=True)
#         is_packed = ('picker' in ob.data.rig_picker.keys())
#         sub_row = row.row(align=True)
#         sub_row.prop(item, 'source', text='')
#         sub_row.enabled = not is_packed
#         #row.operator('rigpicker.pack_picker', icon='PACKAGE' if is_packed else 'UGLYPACKAGE', text='')


class RP_PT_picker_maker_panel(bpy.types.Panel):
    bl_label = "Rig Picker"
    bl_category = "Rigging"
    bl_space_type = "VIEW_3D"
    bl_region_type = "UI"

    @classmethod
    def poll(cls, context):
        return context.object

    def draw_header_preset(self, context):
        self.layout.operator(
            "rigpicker.add_picker_collection", text="", icon="ADD", emboss=False
        )

    def draw(self, context):
        ob = context.object
        scn = context.scene
        collection = get_picker_collection(ob)

        layout = self.layout
        col = layout.column(align=False)

        if collection:
            col.prop_search(collection.rig_picker, "rig", scn, "objects", text="Rig ")
            col.prop_search(
                collection.rig_picker, "canvas", scn, "objects", text="Canvas "
            )
            col.prop_search(
                collection.rig_picker, "symmetry", scn, "objects", text="Symmetry "
            )

        if ob.type == "ARMATURE":
            box = col.box()
            box.enabled = not ob.data.library
            col = box.column(align=False)

            row = col.row(align=True)
            row.separator(factor=0.5)
            row.label(text="Sources")

            is_packed = "pickers" in ob.data.rig_picker.keys()
            row.operator(
                "rigpicker.pack_picker",
                icon="PACKAGE" if is_packed else "UGLYPACKAGE",
                text="",
                emboss=False,
            )
            row.operator(
                "rigpicker.add_picker_source", icon="ADD", text="", emboss=False
            )

            for i, item in enumerate(ob.data.rig_picker.sources):
                row = col.row(align=True)
                row.enabled = not is_packed
                row.prop(item, "source", text="")
                row.operator(
                    "rigpicker.remove_picker_source",
                    icon="PANEL_CLOSE",
                    text="",
                    emboss=False,
                ).index = i

        if collection:
            # layout.separator()
            layout.prop(collection.rig_picker, "destination", text="Filepath")
            layout.operator(
                "rigpicker.save_picker", icon="PASTEDOWN", text="Save Picker"
            )


class RP_PT_shape(bpy.types.Panel):
    bl_label = "Shape"
    bl_category = "Rigging"
    bl_space_type = "VIEW_3D"
    bl_region_type = "UI"
    bl_parent_id = "RP_PT_picker_maker_panel"

    def draw(self, context):
        ob = context.object
        scn = context.scene
        collection = get_picker_collection(ob)

        layout = self.layout
        col = layout.column(align=False)

        if collection:
            # if context.collection and context.collection.rig_picker.enabled:
            col = layout.column(align=True)
            row = col.row(align=True)
            row.operator(
                "rigpicker.create_shape", icon="MESH_DATA", text="Create Shape"
            )
            row.operator(
                "rigpicker.mirror_shape", icon="MOD_MIRROR", text="Mirror Shape"
            )
            col.prop(
                scn.rig_picker,
                "use_pick_bone",
                icon="EYEDROPPER",
                text="Auto Bone Assign",
            )
            col.operator(
                "rigpicker.name_from_bone", icon="SORTALPHA", text="Name From Bones"
            )
        else:
            col = layout.column(align=True)
            row = col.row(align=True)
            row.operator(
                "rigpicker.create_shape", icon="MESH_DATA", text="Create Shape"
            )

        if ob.type != "ARMATURE":
            box = layout.box()
            col = box.column(align=False)

            material_row = col.row(align=True)
            material_row.operator("rigpicker.remove_mat", icon="REMOVE", text="")
            material_row.operator("rigpicker.add_mat", icon="ADD", text="")
            mat = False
            if ob.type in ("MESH", "CURVE", "FONT") and ob.data.materials:
                mat = get_mat(ob)
                if mat and mat.node_tree:
                    emission_nodes = [
                        n for n in mat.node_tree.nodes if n.type == "EMISSION"
                    ]
                    if emission_nodes:
                        material_row.prop(
                            emission_nodes[0].inputs[0], "default_value", text=""
                        )
                        mat = True
            if not mat:
                material_row.label(text="No Material")
            material_row.operator(
                "rigpicker.eyedropper_mat", icon="EYEDROPPER", text=""
            )

            shape_type_row = col.row(align=True)
            shape_type_row.prop(ob.rig_picker, "shape_type", expand=True)
            shape_type_row.operator(
                "rigpicker.select_shape_type", text="", icon="RESTRICT_SELECT_OFF"
            )

            if ob.rig_picker.shape_type == "OPERATOR":

                op_row = col.row(align=True)
                op_row.prop(ob.rig_picker, "operator", text="")
                op_row.operator(
                    "rigpicker.operator_selector", text="", icon="COLLAPSEMENU"
                )

                if ob.rig_picker.operator:
                    col.prop(ob.rig_picker, "name", text="Tooltip")
                    col.prop(ob.rig_picker, "shortcut", text="Shortcut")

                else:
                    col.prop(ob.rig_picker, "name", text="Tooltip")

            elif ob.rig_picker.shape_type == "BONE":
                if collection and collection.rig_picker.rig:
                    col.prop_search(
                        ob.rig_picker,
                        "name",
                        collection.rig_picker.rig.pose,
                        "bones",
                        text="Bone",
                    )


classes = (
    # RP_UL_picker_source,
    RP_PT_picker_maker_panel,
    RP_PT_shape,
)

register, unregister = bpy.utils.register_classes_factory(classes)