import tkinter as tk
from tkinter import filedialog as fd


class PlotType:
    USER = 1
    PRESET = 2
    POINT = 3


class PresetPlot:
    LINE = 0
    PARABOLA = 1
    
    OPTIONS = ["ax + b = 0", "ax^2 + bx + c = 0"]


class PlotTypeFrame(tk.Frame):
    def __init__(self, master, plot_type_var, callback):
        super().__init__(master)
        self.master = master
        self.plot_type = plot_type_var
        self.callback = callback
        
        self.create_widgets()
        self.set_style()

    def set_style(self):
        self.font = (None, "15")
        #  self.font["size"] = 17

        self.bg = "#ffffff"
        self["bg"] = self.bg

        self.preset_plot["bg"] = self.bg
        self.preset_plot["font"] = self.font
        self.preset_plot["bd"] = 0

        self.user_plot["bg"] = self.bg
        self.user_plot["font"] = self.font
        self.user_plot["bd"] = 0

        self.point_plot["bg"] = self.bg
        self.point_plot["font"] = self.font
        self.point_plot["bd"] = 0

    def create_widgets(self):
        self.preset_plot = tk.Radiobutton(self)
        self.preset_plot["variable"] = self.plot_type
        self.preset_plot["text"] = "Предустановленный"
        self.preset_plot["value"] = PlotType.PRESET
        self.preset_plot["command"] = self.callback
        self.preset_plot.grid(row=0, column=0)

        self.user_plot = tk.Radiobutton(self)
        self.user_plot["variable"] = self.plot_type
        self.user_plot["text"] = "Пользовательский"
        self.user_plot["value"] = PlotType.USER
        self.user_plot["command"] = self.callback
        self.user_plot.grid(row=1, column=0)

        self.point_plot = tk.Radiobutton(self)
        self.point_plot["variable"] = self.plot_type
        self.point_plot["text"] = "По точкам"
        self.point_plot["value"] = PlotType.POINT
        self.point_plot["command"] = self.callback
        self.point_plot.grid(row=2, column=0)

        self.preset_plot.select()


class PresetPlotFrame(tk.Frame):
    def __init__(self, master, preset_type):
        super().__init__(master)
        self.master = master
        self.preset_type = preset_type

        self.create_widgets()

    def create_widgets(self):
        self.label = tk.Label(self)
        self.label["text"] = "Предустановленный"
        self.label.grid(row=0, column=0)

        self.options = tk.OptionMenu(
            self,
            self.preset_type,
            *PresetPlot.OPTIONS
        )
        self.options.grid(row=1, column=0)


class UserPlotFrame(tk.Frame):
    def __init__(self, master):
        super().__init__(master)
        self.master = master

        self.create_widgets()

    def create_widgets(self):
        self.label = tk.Label(self)
        self.label["text"] = "Пользовательский"
        self.label.grid(row=0, column=0)


class PointPlotFrame(tk.Frame):
    def __init__(self, master):
        super().__init__(master)
        self.master = master

        self.create_widgets()

    def create_widgets(self):
        self.label = tk.Label(self)
        self.label["text"] = "Поточечный"
        self.label.grid(row=0, column=0)

        self.choose_file = tk.Button(self)
        self.choose_file["text"] = "Выбрать файл"
        self.choose_file["command"] = self.open_file
        self.choose_file.grid(row=1, column=0)
        
        self.filepath = tk.Label(self)
        self.filepath.grid(row=1, column=1)

    def open_file(self):
        a = tk.filedialog.askopenfile()
        self.filepath["text"] = a.name
        print(a)


class App(tk.Tk):
    def __init__(self):
        super().__init__()
        self.geometry("400x250")

        self.create_widgets()

    def create_widgets(self):
        self.plot_type = tk.IntVar()
        self.preset_type = tk.IntVar()

        # Фрейм с выбором типа графика
        self.plot_type_frame = PlotTypeFrame(
            self, 
            self.plot_type, 
            self.change_plot_type
        )
        self.plot_type_frame.pack(side=tk.LEFT)

        # Создаём фреймы с настройкой выбранного типа графика
        self.preset_plot_frame = PresetPlotFrame(self, self.preset_type)
        self.user_plot_frame = UserPlotFrame(self)
        self.point_plot_frame = PointPlotFrame(self)

        self.preset_plot_frame.pack(side=tk.RIGHT)

    def change_plot_type(self):
        if self.plot_type.get() == PlotType.PRESET:
            self.preset_plot_frame.pack(side=tk.RIGHT)
            self.user_plot_frame.pack_forget()
            self.point_plot_frame.pack_forget()
        elif self.plot_type.get() == PlotType.USER:
            self.preset_plot_frame.pack_forget()
            self.user_plot_frame.pack(side=tk.RIGHT)
            self.point_plot_frame.pack_forget()
        elif self.plot_type.get() == PlotType.POINT:
            self.preset_plot_frame.pack_forget()
            self.user_plot_frame.pack_forget()
            self.point_plot_frame.pack(side=tk.RIGHT)


if __name__ == "__main__":
    app = App()
    app.mainloop()