import imgui 

from model import *

class ClassEditor:
    def __init__(self):
        super().__init__()
        self.add_name = str()
        self.select = 0

    def __call__(self):
        classes = Class.select()

        with imgui.begin("Class Editor", False, imgui.WINDOW_NO_RESIZE | imgui.WINDOW_NO_COLLAPSE):
            imgui.text("Add Class")

            _, self.add_name = imgui.input_text(" ", self.add_name)

            if imgui.button("Add"):
                if self.add_name:
                    Class.create(name=self.add_name)
                    self.add_name = str()

            imgui.separator()

            if not classes:
                imgui.text("No Dataset could be queried")
                return 
    
            for n, c in enumerate(classes, start=1):
                display = f"{n}. {c.name}"
                opened, _ = imgui.selectable(display, self.select == n-1)
                if opened:
                    self.select = n-1

        return classes[self.select]