# SPDX-License-Identifier: GPL-2.0-or-later

import bpy
from pathlib import Path
from shutil import which
from bpy.props import (FloatProperty,
                        BoolProperty,
                        EnumProperty,
                        StringProperty,
                        IntProperty,
                        PointerProperty)


def ui_in_sidebar_update(self, _):
    from .ui.panels import BPM_PT_bg_manager_panel

    if hasattr(bpy.types, BPM_PT_bg_manager_panel.bl_idname):
        try:
            bpy.utils.unregister_class(BPM_PT_bg_manager_panel)
        except:
            pass

    BPM_PT_bg_manager_panel.bl_category = self.category.strip()
    bpy.utils.register_class(BPM_PT_bg_manager_panel)

class BPM_prefs(bpy.types.AddonPreferences):
    bl_idname = __name__.split('.')[0] # or __package__

    category : StringProperty(
            name="Category",
            description="Choose a name for the sidebar category tab",
            default="View",
            update=ui_in_sidebar_update)

    ## Object settings
    edit_line_opacity : FloatProperty(
        name='Default Edit Line Opacity',
        description="Edit line opacity for newly created objects\
            \nAdvanced users generally like it at 0 (show only selected line in edit mode)\
            \nBlender default is 0.5",
        default=0.0, min=0.0, max=1.0)

    use_light : BoolProperty(
        name='Use light',
        description="Use light or not for newly created objects",
        default=False)


    def draw(self, context):
        layout = self.layout
        layout.use_property_split = True

        layout.prop(self, 'category')

        layout.label(text='Object Settings:', icon='GREASEPENCIL')
        layout.label(text='Properties of newly created Grease pencil object:')
        layout.prop(self, 'edit_line_opacity')
        layout.prop(self, 'use_light')

### --- REGISTER ---

def register(): 
    bpy.utils.register_class(BPM_prefs)

def unregister():
    bpy.utils.unregister_class(BPM_prefs)