import bpy
from bpy.types import Menu, Panel, UIList
from bpy.props import *


class LnxArrayItem(bpy.types.PropertyGroup):
    # Name property for each array item
    name_prop: StringProperty(name="Name", default="Item")
    index_prop = bpy.props.IntProperty(
        name="Index",
        description="Index of the item",
        default=0,
        options={'HIDDEN', 'SKIP_SAVE'}
    )

    # Properties for each type
    string_prop: StringProperty(name="String", default="")
    integer_prop: IntProperty(name="Integer", default=0)
    float_prop: FloatProperty(name="Float", default=0.0)
    boolean_prop: BoolProperty(name="Boolean", default=False)
    vector_prop: FloatVectorProperty(name="Vector", size=3, default=[0.0, 0.0, 0.0])

class LnxPropertyListItem(bpy.types.PropertyGroup):
    type_prop: EnumProperty(
        items = [('string', 'String', 'String'),
                 ('integer', 'Integer', 'Integer'),
                 ('float', 'Float', 'Float'),
                 ('boolean', 'Boolean', 'Boolean'),
                 ('vector', 'Vector', 'Vector'),
                 ('array', 'Array', 'Array'),                 
                 ],
        name = "Type")
    name_prop: StringProperty(name="Name", description="A name for this item", default="my_prop")
    string_prop: StringProperty(name="String", description="A name for this item", default="text")
    integer_prop: IntProperty(name="Integer", description="A name for this item", default=0)
    float_prop: FloatProperty(name="Float", description="A name for this item", default=0.0)
    boolean_prop: BoolProperty(name="Boolean", description="A name for this item", default=False)
    vector_prop: FloatVectorProperty(name="Vector", size=3, default=[0.0, 0.0, 0.0])
    array_prop: CollectionProperty(type=LnxArrayItem)
    array_item_type: EnumProperty(
        items = [
            ('string', 'String', 'String'),
            ('integer', 'Integer', 'Integer'),
            ('float', 'Float', 'Float'),
            ('boolean', 'Boolean', 'Boolean'),
            ('vector', 'Vector', 'Vector'),
        ],
        name = "New Item Type",
        default = 'string'
    )
    
class LNX_UL_ArrayItemList(bpy.types.UIList):
    def draw_item(self, context, layout, data, item, icon, active_data, active_propname, index):
        # Use the item's index within the array as its uneditable name
        array_type = data.array_item_type
        
        if self.layout_type in {'DEFAULT', 'COMPACT'}:
            # Display the index of the item as its name in a non-editable label
            layout.label(text=str(index))

            # Display the appropriate property based on the array type
            if array_type == 'string':
                layout.prop(item, "string_prop", text="")
            elif array_type == 'integer':
                layout.prop(item, "integer_prop", text="")
            elif array_type == 'float':
                layout.prop(item, "float_prop", text="")
            elif array_type == 'boolean':
                layout.prop(item, "boolean_prop", text="")
            elif array_type == 'vector':
                layout.prop(item, "vector_prop", text="")
        elif self.layout_type in {'GRID'}:
            layout.alignment = 'CENTER'
            layout.label(text="", icon="OBJECT_DATAMODE")

            
def get_lnx_target(context):
    if context.object is not None and context.object.mode == 'OBJECT':
        return context.object
    return context.scene

class LnxArrayAddItem(bpy.types.Operator):
    bl_idname = "lnx_array.add_item"
    bl_label = "Add Array Item"

    def execute(self, context):
        target = get_lnx_target(context)
        if target.lnx_propertylist and target.lnx_propertylist_index < len(target.lnx_propertylist):
            selected_item = target.lnx_propertylist[target.lnx_propertylist_index]

            # Create a new item in the array
            new_item = selected_item.array_prop.add()

            # Set the type of the new item based on the selected type
            new_item_type = selected_item.array_item_type
            if new_item_type == 'string':
                new_item.string_prop = ""
            elif new_item_type == 'integer':
                new_item.integer_prop = 0
            elif new_item_type == 'float':
                new_item.float_prop = 0.0
            elif new_item_type == 'boolean':
                new_item.boolean_prop = False
            elif new_item_type == 'vector':
                new_item.vector_prop = [0.0, 0.0, 0.0]

            # Set the index of the new item
            new_item_index = len(selected_item.array_prop) - 1
            new_item.index_prop = new_item_index

            # Update the array index
            selected_item.array_index = new_item_index

        return {'FINISHED'}

# Operator to remove an item from the array
class LnxArrayRemoveItem(bpy.types.Operator):
    bl_idname = "lnx_array.remove_item"
    bl_label = "Remove Array Item"

    def execute(self, context):
        target = get_lnx_target(context)
        if target.lnx_propertylist and target.lnx_propertylist_index < len(target.lnx_propertylist):
            selected_item = target.lnx_propertylist[target.lnx_propertylist_index]
            if selected_item.array_prop:
                selected_item.array_prop.remove(selected_item.array_index)
                if selected_item.array_index > 0:
                    selected_item.array_index -= 1
        return {'FINISHED'}

class LNX_UL_PropertyList(bpy.types.UIList):
    def draw_item(self, context, layout, data, item, icon, active_data, active_propname, index):
        layout.use_property_split = False
        # Make sure your code supports all 3 layout types
        if self.layout_type in {'DEFAULT', 'COMPACT'}:
            layout.prop(item, "name_prop", text="", emboss=False, icon="OBJECT_DATAMODE")
            layout.prop(item, item.type_prop + "_prop", text="", emboss=(item.type_prop == 'boolean'))
        elif self.layout_type in {'GRID'}:
            layout.alignment = 'CENTER'
            layout.label(text="", icon="OBJECT_DATAMODE")

class LnxPropertyListNewItem(bpy.types.Operator):
    bl_idname = "lnx_propertylist.new_item"
    bl_label = "New"

    type_prop: EnumProperty(
        items = [('string', 'String', 'String'),
                 ('integer', 'Integer', 'Integer'),
                 ('float', 'Float', 'Float'),
                 ('boolean', 'Boolean', 'Boolean'),
                 ('vector', 'Vector', 'Vector'),
                 ('array', 'Array', 'Array'),                 
                 
                 ],
        name = "Type")

    def invoke(self, context, event):
        wm = context.window_manager
        return wm.invoke_props_dialog(self)

    def draw(self,context):
        layout = self.layout
        layout.prop(self, "type_prop", expand=True)

    def execute(self, context):
        target = get_lnx_target(context)
        prop = target.lnx_propertylist.add()
        prop.type_prop = self.type_prop
        target.lnx_propertylist_index = len(target.lnx_propertylist) - 1
        return{'FINISHED'}

class LnxPropertyListDeleteItem(bpy.types.Operator):
    bl_idname = "lnx_propertylist.delete_item"
    bl_label = "Deletes an item"

    @classmethod
    def poll(self, context):
        target = get_lnx_target(context)
        return len(target.lnx_propertylist) > 0

    def execute(self, context):
        target = get_lnx_target(context)
        target.lnx_propertylist.remove(target.lnx_propertylist_index)
        target.lnx_propertylist_index = max(0, target.lnx_propertylist_index - 1)
        return {'FINISHED'}

class LnxPropertyListMoveItem(bpy.types.Operator):
    bl_idname = "lnx_propertylist.move_item"
    bl_label = "Move"
    direction: EnumProperty(items=(('UP', 'Up', ""), ('DOWN', 'Down', "")))
    def execute(self, context):
        target = get_lnx_target(context)
        idx = target.lnx_propertylist_index
        new_idx = idx - 1 if self.direction == 'UP' else idx + 1
        if 0 <= new_idx < len(target.lnx_propertylist):
            target.lnx_propertylist.move(idx, new_idx)
            target.lnx_propertylist_index = new_idx
        return {'FINISHED'}

def draw_properties(layout, obj):
    layout.use_property_split = False
    main_col = layout.column()
    main_col.label(text="Properties")
    row = main_col.row()
    row.template_list("LNX_UL_PropertyList", "", obj, "lnx_propertylist", obj, "lnx_propertylist_index", rows=4)
    btn_col = row.column(align=True)
    btn_col.operator("lnx_propertylist.new_item", icon='ADD', text="")
    btn_col.operator("lnx_propertylist.delete_item", icon='REMOVE', text="")
    if len(obj.lnx_propertylist) > 1:
        btn_col.separator()
        btn_col.operator("lnx_propertylist.move_item", icon='TRIA_UP', text="").direction = 'UP'
        btn_col.operator("lnx_propertylist.move_item", icon='TRIA_DOWN', text="").direction = 'DOWN'
    
    if len(obj.lnx_propertylist) > 0 and obj.lnx_propertylist_index < len(obj.lnx_propertylist):
        item = obj.lnx_propertylist[obj.lnx_propertylist_index]
        if item.type_prop == 'array':
            main_col.separator()
            main_col.label(text="Array Items")
            main_col.prop(item, "array_item_type", text="Type")
            row_arr = main_col.row()
            row_arr.template_list("LNX_UL_ArrayItemList", "", item, "array_prop", item, "array_index", rows=4)
            btn_arr = row_arr.column(align=True)
            btn_arr.operator("lnx_array.add_item", icon='ADD', text="")
            btn_arr.operator("lnx_array.remove_item", icon='REMOVE', text="")

class LNX_PT_ObjectPropsPanel(bpy.types.Panel):
    bl_label = "Leenkx Props"
    bl_space_type = "PROPERTIES"
    bl_region_type = "WINDOW"
    bl_context = "object"
    def draw(self, context):
        draw_properties(self.layout, context.object)

class LNX_PT_ScenePropsPanel(bpy.types.Panel):
    bl_label = "Leenkx Props"
    bl_space_type = "PROPERTIES"
    bl_region_type = "WINDOW"
    bl_context = "scene"
    def draw(self, context):
        draw_properties(self.layout, context.scene)

__REG_CLASSES = (
    LnxArrayItem, LnxPropertyListItem, LNX_UL_PropertyList, LNX_UL_ArrayItemList,
    LnxPropertyListNewItem, LnxPropertyListDeleteItem, LnxPropertyListMoveItem,
    LnxArrayAddItem, LnxArrayRemoveItem, LNX_PT_ObjectPropsPanel, LNX_PT_ScenePropsPanel,
)


def register():
    for cls in __REG_CLASSES:
        bpy.utils.register_class(cls)
    bpy.types.Object.lnx_propertylist = CollectionProperty(type=LnxPropertyListItem)
    bpy.types.Object.lnx_propertylist_index = IntProperty(name="Index", default=0)
    bpy.types.Scene.lnx_propertylist = CollectionProperty(type=LnxPropertyListItem)
    bpy.types.Scene.lnx_propertylist_index = IntProperty(name="Index", default=0)

def unregister():
    for cls in reversed(__REG_CLASSES):
        bpy.utils.unregister_class(cls)
    del bpy.types.Object.lnx_propertylist
    del bpy.types.Object.lnx_propertylist_index
    del bpy.types.Scene.lnx_propertylist
    del bpy.types.Scene.lnx_propertylist_index