import tkinter as tk
from tkinter import Menu, messagebox, filedialog
import cv2
from PIL import Image, ImageTk
import os

def validar_login():
    user = userdig.get()
    password = passdig.get()
    if user == "admin" and password == "12345":
        login.destroy()  
        abre_janela_principal()  
    else:
        messagebox.showerror("Erro", "Usuário ou senha incorretos!")

is_playing = False
video_position = 0
cap = None

def abre_janela_principal():
    janela_principal = tk.Tk()
    janela_principal.title("Kl3z - PJ- AI")
    janela_principal.geometry('800x500')

    menu_bar = Menu(janela_principal)
    carregar_menu = Menu(menu_bar, tearoff=0)
    carregar_menu.add_command(label="Carregar vídeo", command=carregar_video)
    carregar_menu.add_command(label="Carregar áudio", command=carregar_audio)
    carregar_menu.add_separator()
    carregar_menu.add_command(label="Sair", command=janela_principal.destroy)
    menu_bar.add_cascade(label="Carregar informação", menu=carregar_menu)
    
    Relatorios = Menu(menu_bar, tearoff=0)
    Relatorios.add_command(label="Inserir")
    menu_bar.add_cascade(label="Relatórios", menu=Relatorios)
    
    Opcoes = Menu(menu_bar, tearoff=0)
    Opcoes.add_command(label="Definições")
    Opcoes.add_command(label="Definições2")
    menu_bar.add_cascade(label="Opções", menu=Opcoes)
    
    janela_principal.config(menu=menu_bar)
    
    global video
    video = tk.Label(janela_principal, bg='black') 
    video.pack(expand=True, fill=tk.BOTH)
    video.place(x=50, y=50, width=500, height=300)

    control_frame = tk.Frame(janela_principal)
    control_frame.pack(pady=20)
    
    play_button = tk.Button(control_frame, text="Play", command=play_video)
    play_button.grid(row=0, column=0, padx=5)

    pause_button = tk.Button(control_frame, text="Pause", command=pause_video)
    pause_button.grid(row=0, column=1, padx=5)

    stop_button = tk.Button(control_frame, text="Stop", command=stop_video)
    stop_button.grid(row=0, column=2, padx=5)

    forward_button = tk.Button(control_frame, text="Forward", command=forward_video)
    forward_button.grid(row=0, column=3, padx=5)

    backward_button = tk.Button(control_frame, text="Backward", command=backward_video)
    backward_button.grid(row=0, column=4, padx=5)

    var1 = tk.BooleanVar()
    var2 = tk.BooleanVar()
    var3 = tk.BooleanVar()

    check_button1 = tk.Checkbutton(control_frame, text="Analises de expressões", variable=var1)
    check_button1.grid(row=0, column=5, padx=10)

    check_button2 = tk.Checkbutton(control_frame, text="Analises de texto", variable=var2)
    check_button2.grid(row=0, column=6, padx=10)

    check_button3 = tk.Checkbutton(control_frame, text="Conversão de audio para texto", variable=var3)
    check_button3.grid(row=0, column=7, padx=10)

    check_button4 = tk.Checkbutton(control_frame, text="Análise de som", variable=var3)
    check_button4.grid(row=0, column=7, padx=10)
    janela_principal.mainloop()

def carregar_video():
    global video_caminho, cap, is_playing
    video_caminho = filedialog.askopenfilename(title="Selecione um vídeo", filetypes=[("Vídeos", "*.mp4;*.avi;*.mov")])
    if video_caminho:
        cap = cv2.VideoCapture(video_caminho)
        is_playing = True
        update_frame()

def update_frame():
    global is_playing, cap
    if cap is not None and is_playing:
        ret, frame = cap.read()
        if ret:
            frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
            frame = cv2.resize(frame, (500, 300))
            img = Image.fromarray(frame)
            imgtk = ImageTk.PhotoImage(image=img)
            video.imgtk = imgtk
            video.configure(image=imgtk)
            video.after(20, update_frame) 
        else:
            cap.release()  

def play_video():
    global is_playing
    is_playing = True
    update_frame()

def pause_video():
    global is_playing
    is_playing = False

def stop_video():
    global is_playing, cap
    is_playing = False
    cap.release()
    video.configure(image='')

def forward_video():
    global cap
    if cap is not None:
        current_position = cap.get(cv2.CAP_PROP_POS_MSEC)
        cap.set(cv2.CAP_PROP_POS_MSEC, current_position + 5000)

def backward_video():
    global cap
    if cap is not None:
        current_position = cap.get(cv2.CAP_PROP_POS_MSEC)
        cap.set(cv2.CAP_PROP_POS_MSEC, max(0, current_position - 5000))

def carregar_audio():
    audio = filedialog.askopenfilename(title="Selecione um ficheiro áudio", filetypes=[("Áudios", "*.mp3;*.wav;*.ogg")])
    if audio:
        os.startfile(audio)

login = tk.Tk()
login.title("Login")
login.geometry("300x200")
label_usuario = tk.Label(login, text="Usuário:")
label_usuario.pack(pady=5)
userdig = tk.Entry(login)
userdig.pack(pady=5)
label_senha = tk.Label(login, text="Senha:")
label_senha.pack(pady=5)
passdig = tk.Entry(login, show="*")
passdig.pack(pady=5)
botao_login = tk.Button(login, text="Login", command=validar_login)
botao_login.pack(pady=20)
login.mainloop()