#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Tue Jun 20 14:54:31 2023

@author: richardson
"""

import tkinter as tkr # needed to make GUI
from PIL import ImageTk, Image # to put the image in a GUI

# below are imports needed to put a graph in a GUI
import matplotlib
matplotlib.use('TkAgg')
import numpy as np
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
from matplotlib.figure import Figure

# packages needed to make GUIs
# (graphical user interfaces)

window = tkr.Tk()

window.attributes("-topmost", True)
window.title("Bubba's Primes")
window.geometry("900x800")
lbl = tkr.Label(window,text="Howdy, here is some text.",font=('Arial',24))
lbl.grid(column=0,row=0) # top loft spot pf window
lbl2 = tkr.Label(window,text="Please give N.",font=('Arial',24))
lbl2.grid(column=0,row=1) # top loft spot pf window
txt = tkr.Entry(window,width=10,font=('Arial',24)) # makes a box for text to be filled in
txt.grid(column=0, row=2)

def isitprime2(nn):
    for j in range(2,nn): 
        # range(2,nn) means the integers 2,3,4,...,lastj-1 
        # each time through the loop, j becomes 2, 
        # then 3, then 4, ... 
        # and the loop is run lastj-2 times.
        if nn%j==0: # need two = signs if you are 
        #checking if an equation is true are not.
            # a==b means True if a=b, False 
            # if a!=b. '!=' means not equal.
            # nn%j means nn mod j = remainder 
            # when nn is divided by j.
            return False
    return True

def whenYouClick():
    N = int(txt.get())
    # .get() retireves the text from the widget
    text1 = "The first "+str(N)+" primes are:"
    plist=[]
    j=2
    while len(plist)<N: # while loop will execute as long as the 
                        # thing next to it is True
        if isitprime2(j):
            plist+=[j]
        j+=1
    #text2 = str(plist)
    text2=""
    for k in range(N): # range(L) means 0 through L-1
        text2 += str(plist[k])
        if (k+1)%7==0:
            text2 += ",\n"
        else:
            text2 += ", "
    text2 = text2[:-2]
    answ.configure(text=text1)
    answ1.configure(text=text2)
    
friend = tkr.Button(window, text="Click to get Bubba's primes", command = whenYouClick ,font=('Arial',24)) # calls the whenYouClick function when button is pushed
# whenYouClick  should be defined before the line where it is called.
friend.grid(column=0,row=3)

answ = tkr.Label(window, text="",font=('Arial',24))

answ.grid(column=0,row=4)
answ1 = tkr.Label(window, text="",font=('Arial',24))

answ1.grid(column=0,row=5)

img1 = Image.open("IMG_2149.jpeg")
img = ImageTk.PhotoImage(img1)
imgLabel = tkr.Label(window, image=img)
imgLabel.grid(column=1, row=0, rowspan=6)


window.mainloop() # displays the window.

win2 = tkr.Tk()
fig = Figure(figsize=(6,6)) 
# Creates a figure with certain size
a = fig.add_subplot(221)
# 2=number of rows, 2=number of columns,
# 1 = index of that thing (starts with 1 in this)
# since index=1, this means 1st row 1st column
x = np.linspace(-np.pi,np.pi,100)
a.plot(x,20*np.cos(x),color='red')
a.set_title('This is 20cos(x)')
a.set_xlabel('x')
a.set_ylabel('y')

b = fig.add_subplot(224)
# index 4 means 2nd row, 2nd column
xx = np.random.randn(20)
yy = xx**2-xx-10+np.random.rand(20)*40
b.scatter(xx,yy,color="blue",marker="v")
b.set_title('This is is kind of a random plot')
b.set_xlabel('x')
b.set_ylabel('y')

canvas = FigureCanvasTkAgg(fig, master=win2)
canvas.get_tk_widget().pack()
canvas.draw()

win2.mainloop()

# there is a way to put the graph inside a panel in 
# a window ---