import json
import tkinter as tk
from app.http import request_builder
from app.views.chat import ChatWindow
from app.views.user_frame import UserFrame


class MainPageView(tk.Frame):
    def __init__(self, master=None):
        super().__init__(master)
        self.form_frame = None
        self.define_http_params()
        self.create_widgets()

    def define_http_params(self):
        self.url = "http://localhost:8000/users/get_all"
        self.headers = {"Content-Type": "application/json"}
        self.method = "GET"
        self.params = None
        self.body = None

    def create_widgets(self):
        # Create a main frame to center the user frame and button frame
        main_frame = tk.Frame(self.master)
        main_frame.pack(expand=True)

        # Create a frame to hold the user frames
        user_frame_container = tk.Frame(main_frame)
        user_frame_container.pack(side=tk.TOP, fill=tk.BOTH, expand=True)

        users_data = self.get_user_list()
        users_data = [user for user in users_data if user[1] != self.master.current_logged_user['username']]

        # Display users dynamically with two users per row
        for i in range(0, len(users_data)):
            user_data_slice = users_data[i]

            # Calculate the row and column for the UserFrame in the grid
            row = i // 2
            column = i % 2

            user_frame_instance = UserFrame(user_frame_container, user_data_slice, self.master.current_logged_user,
                                            self.open_chat)
            user_frame_instance.grid(row=row, column=column, padx=10, pady=10)

        # Create a frame to hold the buttons
        button_frame = tk.Frame(main_frame)
        button_frame.pack(side=tk.BOTTOM, fill=tk.BOTH, expand=True)

        # Create buttons in the button frame
        logout_button = tk.Button(button_frame, text="Logout", command=self.master.change_to_initial_view)

        # Pack buttons in the button frame
        logout_button.pack(padx=5, pady=5)

    def return_to_initial_view(self):
        self.master.change_to_initial_view()

    def open_chat(self, user_data):
        # Pass both the clicked user data and the current logged user info to ChatWindow
        chat_window = ChatWindow(self, user_data, self.master.current_logged_user)
        chat_window.mainloop()  # Main loop for the new window

    def get_user_list(self):
        request_builder.set_url(self.url)
        request_builder.set_headers(self.headers)
        request_builder.set_method(self.method)
        request_builder.set_body(self.body)
        request_builder.set_params(self.params)

        json_string = request_builder.build().make_request().text
        data = json.loads(json_string)

        return data.get('users', [])