import os
import json
import tkinter.messagebox
import customtkinter
from winotify import Notification, audio
import keyboard
import subprocess
import requests
import hashlib
import string
import random
import tkinter

class App(customtkinter.CTk):
    def __init__(self):
        super().__init__()
        self.title(f"{app_name} | ロック中")
        self.attributes('-fullscreen', True)
        self.attributes('-topmost', True)
        
        self.frame = customtkinter.CTkFrame(self, corner_radius=0, fg_color='transparent')
        self.frame.grid(row=0, column=0, sticky='nsew')
        
        self.block_taskmgr()
        self.block_key()
        lock = Lock()

    def exit(self):
        self.unlock_taskmgr()
        self.toast()
        self.destroy()

    def block_key(self):
        block_keys = ['ctrl', 'alt', 'windows', 'shift', 'delete']
        for i in block_keys:
            keyboard.block_key(i)

    def block_taskmgr(self):
        block = subprocess.run(['reg', 'add', 'HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\System', '/v', 'DisableTaskMgr', '/t', 'REG_DWORD', '/d', '1'])
        print(block)

    def unlock_taskmgr(self):
        unlock = subprocess.run(['reg', 'delete', 'HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\System', '/v', 'DisableTaskMgr', '/f'])
        print(unlock)

    def toast(self):
        resource_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), "resource")
        success = Notification(
            app_id='Dislocker',
            title='ご協力ありがとうございます!',
            msg='パスワード認証に成功しました。\n現在使われたパスワードは削除されます。',
            icon=resource_path + r'\success.png'
        )
        success.set_audio(audio.Default, loop=False)
        success.show()

    def handler_close(self):
        pass
    

class Lock(customtkinter.CTkToplevel):
    def __init__(self):
        super().__init__()
        self.title(f'{app_name} | PC番号 {client_config["pc_number"]} | ロックされています')
        self.geometry('400x200')
        self.resizable(height=False, width=False)
        self.attributes('-topmost', True)
        self.grab_set()
        self.lift()
        self.protocol("WM_DELETE_WINDOW", self.handler_close)

        self.msg_title_frame = customtkinter.CTkFrame(self, corner_radius=0, fg_color='transparent')
        self.msg_title_frame.grid(row=0, column=0, sticky="nsew")

        self.msg_title_1 = customtkinter.CTkLabel(self.msg_title_frame, text='ちょっと待って!!')
        self.msg_title_1.grid(row=0, column=0, padx=10, pady=10)

        self.msg_subtitle_frame = customtkinter.CTkFrame(self, corner_radius=0, fg_color='transparent')
        self.msg_subtitle_frame.grid(row=1, column=0, sticky="nsew")

        self.msg_subtitle_1 = customtkinter.CTkLabel(self.msg_subtitle_frame, text='サインインするには、パスワードが必要です。')
        self.msg_subtitle_1.grid(row=0, column=0, padx=10, pady=10)

        self.input_frame  = customtkinter.CTkFrame(self, corner_radius=0, fg_color='transparent')
        self.input_frame.grid(row=2, column=0, sticky="nsew")

        self.password_entry = customtkinter.CTkEntry(self.input_frame, placeholder_text='パスワード', width=380, show='*')
        self.password_entry.grid(row=0, column=0, padx=10, pady=10)

        self.button_frame = customtkinter.CTkFrame(self, corner_radius=0, fg_color='transparent')
        self.button_frame.grid(row=3, column=0, sticky="nsew")

        self.signin_button = customtkinter.CTkButton(self.button_frame, text='サインイン', command=self.auth)
        self.signin_button.grid(row=0, column=0, padx=10, pady=10)

    def hash_genarate(self, source):
        hashed = hashlib.md5(source.encode())
        return hashed.hexdigest()

    def auth(self):
        auth_url = client_config["auth_host_url"] + "/verify"
        auth_json = {
            "pc_number": int(client_config["pc_number"]),
            "password": self.hash_genarate(str(self.password_entry.get()))
        }
        responce = requests.post(auth_url, json=auth_json)
        if responce.status_code == 200:
            self.destroy()
            app.exit()
        else:
            self.msg_subtitle_1.configure(text='サインインするには、パスワードが必要です。\nパスワードが違います!')
    
    def handler_close(self):
        pass

    def exit(self):
        self.destroy()

def master_password_gen():
    numbers = string.digits  # (1)
    password = ''.join(random.choice(numbers) for _ in range(10))  # (2)
    password_hash = hashlib.md5(password.encode()).hexdigest()
    result = {"password": password, "password_hash": password_hash}
    return result

app_name = "Dislocker"

config_dir_path = "./config/"
client_config_path = config_dir_path + "client.json"
if not os.path.isfile(client_config_path):
    if not os.path.isdir(config_dir_path):
        os.mkdir(config_dir_path)

    client_config = {
        "initial": 0,
        "auth_host_url": "http://localhost",
        "pc_number": 1,
        "master_password_hash": "",

    }
    with open(client_config_path, "w") as w:
        json.dump(client_config, w, indent=4)
elif os.path.isfile(client_config_path):
    with open(client_config_path, "r") as r:
        client_config = json.load(r)
        
        
if client_config["initial"] == 0:
    master_password = master_password_gen()
    msgbox = tkinter.messagebox.showinfo(title=f"{app_name} | 初回起動を検出", message=f"初回起動のようです。\nマスターパスワードを記録しておいてください。\nこれ以降二度と表示されることはないでしょう。\n\n{master_password["password"]}\n\n")
    client_config["master_password_hash"] = master_password["password_hash"]
    with open(client_config_path, "w") as w:
        json.dump(client_config, w, indent=4)

else:
    if __name__ == '__main__':
        app = App()
        app.protocol("WM_DELETE_WINDOW", app.handler_close)
        app.mainloop()