import json
import tkinter as tk

from app.http import request_builder
from app.views.login import LoginView
from app.views.initial import InitialView
from app.views.signup import SignupView
from app.views.main_page import MainPageView
from app.encryption import AESEncryptor
import json


class MainApplication(tk.Tk):
    def __init__(self):
        super().__init__()

        self.title("Messenger App")

        screen_height = self.winfo_screenheight()
        self.geometry(f"{screen_height // 2}x{screen_height // 2}")

        icon_path = "/home/andrei/Documents/messenger/messenger_gui/resources/message-icon-png-17.png"
        self.iconphoto(True, tk.PhotoImage(file=icon_path))

        self.current_logged_user = {}

        self.define_http_params()
        self.encryptor = self.initialize_encryptor()

        self.current_view = None
        self.change_to_initial_view()

    def define_http_params(self):
        self.url = "http://localhost:8000/encryption/get_private_key"
        self.headers = {
            "Content-Type": "application/json",
            "Authorization_Key": "messenger"
        }
        self.method = "GET"
        self.params = None

    def change_to_initial_view(self):
        self.change_view(InitialView(self))

    def change_to_sing_in_view(self):
        self.change_view(SignupView(self))

    def change_to_login_view(self):
        self.change_view(LoginView(self))

    def change_to_main_page_view(self):
        self.change_view(MainPageView(self))

    def change_to_profile_view(self):
        pass

    def change_view(self, view: tk.Frame):
        if self.current_view:
            self.current_view.destroy()

        self.current_view = view
        self.current_view.pack(expand=True, fill=tk.BOTH)
        self.current_view.place(relx=0.5, rely=0.5, anchor=tk.CENTER)

    def get_user_information(self, credentials):
        data = json.loads(credentials)
        self.current_logged_user['id'] = data['info']['id']
        self.current_logged_user['username'] = data['info']['username']
        self.current_logged_user['email'] = data['info']['email']

    def initialize_encryptor(self):
        request_builder.set_url(self.url)
        request_builder.set_headers(self.headers)
        request_builder.set_method(self.method)

        result = request_builder.build().make_request()
        json_data = json.loads(result.text)
        private_key = json_data.get("private_key", None)

        return AESEncryptor(private_key)