the method now return the config dict if exists, oterwise open gui

config.py

@@ -1,30 +1,105 @@
 import os
-from tkinter import Button, Entry, Label, StringVar, PhotoImage, Tk, Canvas
+import pathlib
+import pickle
+from hashlib import sha256
+from tkinter import Button, Entry, Label, StringVar, Tk, filedialog
+
+from PIL import Image, ImageTk
+
+from misc import alert, get_os
 
 
-def main(args):
+def __get_config_folder():
+    _os = get_os()
+    if _os == "linux":
+        folder = os.path.join(os.getenv("HOME"), ".munyal")
+    else:
+        folder = os.path.join(os.path.expandvars("%APPDATA%"), "Munyal")
+    return folder
+
+
+def get_config():
+    while True:
+        config = __get_config()
+        if not config:
+            gui_config()
+        else:
+            return config
+
+
+def __get_config():
+    folder = __get_config_folder()
+    config_file = os.path.join(folder, "config")
+    if os.path.exists(config_file):
+        config_bytes = open(config_file, "rb")
+        config = pickle.load(config_bytes)
+        config_bytes.close()
+        return config
+
+
+def __validate_values(user, password):
+    return True
+
+
+def _set_config(root, user, password, folder):
+    passwd_hash = sha256(password.get().encode("utf-8")).hexdigest()
+    if not user:
+        alert(root, "Introduce tu usuario de la red Munyal")
+    elif not password:
+        alert(root, "Introduce tu contraseña")
+    elif not folder:
+        alert(root, "Elige la carpeta que quieres sincronizar")
+    elif not __validate_values(user, passwd_hash):
+        alert(
+            root,
+            "Tu usuario o contraseña son incorrectos, favor de reintentarlo")
+    else:
+        password.set("")
+        folder_config = __get_config_folder()
+        path = pathlib.Path(folder_config)
+        path.mkdir(parents=True, exist_ok=True)
+        with open(os.path.join(folder_config, "config"), "wb") as config_file:
+            config_file.write(
+                pickle.dumps({
+                    "login": {
+                        "user": user,
+                        "password": passwd_hash
+                    },
+                    "folder": folder
+                }))
+        root.destroy()
+
+
+def gui_config():
     root = Tk()
-    root.title("Munyal")
-    root.geometry("320x500")
+    root.geometry("250x420")
 
-    logo = PhotoImage(file="img/logo.png")
+    img_logo = Image.open("img/logo.png")
+    img_tk = ImageTk.PhotoImage(img_logo.resize((200, 150), Image.ANTIALIAS))
 
     host = StringVar()
-    host_field = Entry(root, textvariable=host, width=30)
+    host.set("localhost")
+    host_field = Entry(root, textvariable=host)
 
     passwd = StringVar()
-    passwd_field = Entry(root, textvariable=passwd, show="*", width=30)
+    passwd_field = Entry(root, textvariable=passwd, show="*")
 
     folder = StringVar()
     folder.set(os.path.join(os.getenv("HOME"), "Munyal"))
-    folder_field = Entry(root, textvariable=folder, width=30)
+    folder_field = Entry(root, textvariable=folder)
+    btn_folder = Button(root,
+                        text="Examinar",
+                        command=lambda: search_folder(folder))
 
-    connect = Button(root, text="Conectar", command=lambda: None, width=10)
+    connect = Button(
+        root,
+        text="Conectar",
+        command=lambda: _set_config(root, host.get(), passwd, folder.get()))
 
-    Label(root, image=logo).pack()
-    Label(root, text="MUNYAL", font=("", 30)).pack()
+    Label(root, text="MUNYAL").pack()
+    Label(root, image=img_tk).pack()
     Label(root, text="").pack()
-    Label(root, text="Nombre del servidor").pack()
+    Label(root, text="Ruta del servidor").pack()
     host_field.pack()
     Label(root, text="").pack()
     Label(root, text="Contraseña").pack()
@@ -32,12 +107,17 @@ def main(args):
     Label(root, text="").pack()
     Label(root, text="Carpeta a sincronizar").pack()
     folder_field.pack()
+    btn_folder.pack()
     Label(root, text="").pack()
     connect.pack()
 
     root.mainloop()
 
 
-if __name__ == '__main__':
-    import sys
-    sys.exit(main(sys.argv))
+def search_folder(field):
+    path = filedialog.askdirectory()
+    field.set(path)
+
+
+if __name__ == "__main__":
+    print(get_config())