##menu that allows the user to load a game from file

from tkinter import *
from ButtonCreator import *
import BoardScreen
import BoardSetup
import ShowSpecies
from SpeciesDatabase import *
import LocalWorld
import pickle
import Menu

def run(event=None):
    """creates a new menu for saving the game"""
    root = Tk()
    save = LoadFrame(root)
    root.mainloop()

class LoadFrame:
    def __init__(self, parent, width = 300, height = 200):
        self.parent=parent
        self.parent.geometry(str(width)+"x"+str(height))
        self.frame = Frame(self.parent, width=width,\
                           height=height, bg="darkblue")
        self.frame.pack()
        title = Label(self.frame, text="Load\n", fg="black")
        title.pack(fill=X, side=TOP)
        self.container = LoadContainer(self.parent)

class LoadContainer:
    def __init__(self, parent, width =1000, bg="darkblue"):
        self.container = Frame(parent,width=width,bg=bg)
        self.container.pack(side = BOTTOM, fill = BOTH, expand = YES)
        self.parent = parent
        self.addEverything()

    def addEverything(self):
        self.addLoadEntryBox()
        self.addLoadCancel()

    def addLoadEntryBox(self):
        '''builds and adds an entry field that can be used to enter
        a file name'''
        self.entryContainer = Frame(self.container, width= 25,bg="darkblue")
        self.entryLabel = Label(self.entryContainer, text ="File Name: ",\
                                bg= "darkblue", fg ="white")
        self.entryLabel.pack(fill=Y, side=LEFT)
        self.loadEntry = Entry(self.entryContainer)
        self.loadEntry.pack(fill=Y, side=LEFT)
        self.entryContainer.pack(pady = 50)

    def addLoadCancel(self):
        '''adds the save and cancel buttons to the bottom of the menu'''
        self.lowerButtonFrame = Frame(self.container, bg="darkblue")
        self.loadButton = ButtonCreator(self.lowerButtonFrame, "Load",\
                                        self.loadClick, packOption = LEFT,\
                                        width=10)
        self.cancelButton = ButtonCreator(self.lowerButtonFrame,"Cancel",\
                                          self.cancelClick, packOption = RIGHT,\
                                          width=10)
        self.lowerButtonFrame.pack(side =BOTTOM, fill=BOTH)

    def loadClick(self, event=None):
        self.path=str(self.loadEntry.get())
        print(self.path)
        self.parent.destroy()
        self.loadFile(self.path)
        
    def cancelClick(self, event=None):
        self.parent.destroy()
        Menu.run()
        
    def loadFile(self, path):
        f = open(path, 'rb')
        p = pickle.load(f)
        world = LocalWorld.LocalWorld.fromWorldSpec(p)
        BoardScreen.run(world.width, world.height, p.default, lworld=world)
       # f = f+"db"
       # db = pickle.load(f)