import ast
import communicate
import tkinter as tk
from tkinter import messagebox
import threading
import tkinter.ttk as ttk

file = open("config.config", 'r')
file = file.read()
config = ast.literal_eval(file)
sessionid = ""
global conversations
conversations = []
def updateconfig():
    global config
    file = open("config.config", 'w')
    file.write(str(config))
    file.close()

def registeeer(name, password):
    global container
    global sessionid
    name = name.get()
    password = password.get()
    back = communicate.get(config["serveraddress"]+":"+config["port"], {"targetserver": "python messages main server", "targetfunction": "register", "name": name, "pass": password})
    if back[0] == " ":
        messagebox.showinfo("erfolgreich!", "sie haben sich erfolgreich registriert!")
        config["logindata"]["name"] = name
        config["logindata"]["pass"] = password
        updateconfig()
        sessionid = back
        container.destroy()
    else:
        messagebox.showerror("fehler!", "kann nicht registrieren: name wird schon benutzt")

def register():
    global container
    container.destroy()
    container = tk.Tk("registrieren")
    namevar = tk.StringVar(container)
    passvar = tk.StringVar(container)
    nameentry = tk.Entry(container, textvariable=namevar)
    passentry = tk.Entry(container, textvariable=passvar)
    registerbutton = tk.Button(container, text="registrieren", command=lambda: registeeer(namevar, passvar))
    namelabel = tk.Label(container, text="Name")
    passlabel = tk.Label(container, text="Passwort")
    namelabel.grid()
    nameentry.grid()
    passlabel.grid()
    passentry.grid()
    registerbutton.grid()
    container.mainloop()

def loginnn(name, password):
    global container
    global sessionid
    name = name.get()
    password = password.get()
    back = communicate.get(config["serveraddress"]+":"+config["port"], {"targetserver": "python messages main server", "targetfunction": "getsessionid", "name": name, "pass": password})
    if back[0] == " ":
        messagebox.showinfo("erfolgreich!", "sie haben sich erfolgreich angemeldet!")
        config["logindata"]["name"] = name
        config["logindata"]["pass"] = password
        updateconfig()
        sessionid = back
        container.destroy()
    else:
        messagebox.showerror("fehler!", "kann nicht anmelden: falscher name oder passwort")

def login():
    global container
    container.destroy()
    container = tk.Tk("anmelden")
    namevar = tk.StringVar(container)
    passvar = tk.StringVar(container)
    nameentry = tk.Entry(container, textvariable=namevar)
    passentry = tk.Entry(container, textvariable=passvar)
    registerbutton = tk.Button(container, text="anmelden", command=lambda: loginnn(namevar, passvar))
    namelabel = tk.Label(container, text="Name")
    passlabel = tk.Label(container, text="Passwort")
    namelabel.grid()
    nameentry.grid()
    passlabel.grid()
    passentry.grid()
    registerbutton.grid()
    container.mainloop()

def send(message, conversation):
    global sessionid
    message = message.get()
    communicate.patch(config["serveraddress"]+":"+config["port"], {"targetserver": "python messages main server", "targetfunction": "send", "sessionid": sessionid, "message": message, "conversation": conversation})

def turnback(target):
    temp = ""
    for i in target:
        temp = temp + i + "\n"
    return temp

def showconversation(conversation2):
    global conversations
    container2 = tk.Tk("conversation")
    conversationtext = conversations[conversation2]["conversation"]
    conversation = tk.Text(container2)
    conversation.insert(tk.END, conversationtext)
    conversation.config(state=tk.DISABLED)
    conversation.grid(padx=2, pady=2)
    scrollbar = ttk.Scrollbar(container2, command=conversation.yview)
    scrollbar.grid(column=3)
    conversation['yscrollcommand'] = scrollbar.set
    sendvar = tk.StringVar(container2)
    entry = tk.Entry(container2, textvariable=sendvar)
    sendbutton = tk.Button(container2, command=lambda: send(sendvar, conversations[conversation2]["speakers"]), text="senden")
    entry.grid()
    sendbutton.grid()
    while True:
        temp = communicate.get(config["serveraddress"]+":"+config["port"], {"targetserver": "python messages main server", "targetfunction": "update", "sessionid": sessionid})[conversation2]["conversation"].split("\n")
        for i in conversationtext.split("\n"):
            temp.remove(i)
        if len(temp) != 0:
            conversation.grid_forget()
            conversation.config(state=tk.NORMAL)
            conversation.insert(tk.END, turnback(temp))
            conversation.config(state=tk.DISABLED)
            conversation.grid(row=0)
            conversationtext = conversationtext + turnback(temp)
        container2.update()
    
def updatescreen():
    global container
    global conversations
    global conversationbuttons
    global config
    if True:
        for temp in range(len(conversations)):
            temp2 = conversations[temp]["speakers"].split("<splitedaccountname>")
            temp2.remove(config["logindata"]["name"])
            temp2 = temp2[0]
            if not temp2 in conversationbuttons:
                conversationbuttons[temp2] = tk.Button(container, text=temp2, command=lambda temp=temp: showconversation(temp))
                conversationbuttons[temp2].grid()

def update():
    global sessionid
    global conversations
    while True:
        conversations = communicate.get(config["serveraddress"]+":"+config["port"], {"targetserver": "python messages main server", "targetfunction": "update", "sessionid": sessionid})

def newww(name, container2):
    global sessionid
    name = name.get()
    communicate.patch(config["serveraddress"]+":"+config["port"], {"targetserver": "python messages main server", "targetfunction": "newconv", "sessionid": sessionid, "target": name})
    container2.destroy()

def newconversation():
    container2 = tk.Tk("new conversation")
    namelabel = tk.Label(container2, text="name des benutzers: ")
    namelabel.grid()
    stringvar = tk.StringVar(container2)
    entry = tk.Entry(container2, textvariable=stringvar)
    entry.grid()
    gobutton = tk.Button(container2, text="konversation erstellen", command=lambda: newww(stringvar, container2))
    gobutton.grid()
    container2.mainloop()

if config["logindata"]["name"] == None:
    container = tk.Tk("PM")
    messagebox.showinfo("nicht angemeldet!", "sie sind nicht angemeldet bitte melden sie sich an!")
    registerbutton = tk.Button(container, text="registrieren", command=register)
    loginbutton = tk.Button(container, text="anmelden", command=login)
    loginbutton.grid()
    registerbutton.grid()
    container.mainloop()
else:
    sessionid = communicate.get(config["serveraddress"]+":"+config["port"], {"targetserver": "python messages main server", "targetfunction": "getsessionid", "name": config["logindata"]["name"], "pass": config["logindata"]["pass"]})
conversationbuttons = {}
updatethread = threading.Thread(target=update)
container = tk.Tk("PM")
updatethread.start()

newconversationbutton = tk.Button(container, text="neue konversation", command=newconversation)
newconversationbutton.grid()

while True:
    container.update()
    updatescreen()