from tkinter import *
import matplotlib.pyplot as plt
from matplotlib.pyplot import figure
import numpy as np
fen = Tk()
home = Frame()
fen.title("Calculateur d'IMC")

canvas=Canvas(fen, width=600, height=400, bg="white")				#canvas de droite
canvas.grid(column=1,row=0)											#son placement

canvas2=Canvas(fen, width=150, height=400, bg="white")				#canvas de gauche
canvas2.grid(column=0, row=0) 										#son placement

lbl1=Label(fen, text="votre poids (en kg)", font='Arial')  			#label poids
lbl1.grid(column=0, row=1)

entree_kg = Entry(fen)												#entry poids
entree_kg.grid(column=0, row=2)

lbl2=Label(fen, text="votre taille (en cm)", font='Arial') 			#label taille
lbl2.grid(column=0, row=3)
    
entree_cm = Entry(fen)												#entry taille
entree_cm.grid(column=0, row=4)

#photos

image_norm = PhotoImage(file = 'normal.png')    
image_obes_s = PhotoImage(file = 'obesite severe.png')     
image_obes = PhotoImage(file = 'obesite.png')   
image_sousp = PhotoImage(file = 'sous poids.png')
image_surpoids = PhotoImage(file = 'surpoids.png')


def afficher_imc():
    taille = float(entree_cm.get())/100      #convertir cm en m
    poids= float(entree_kg.get())
    imc =float(poids/taille**2)				#calcul imc
    
    if imc <=18.4:
        text= canvas.create_text(200,40,anchor='center',text="vous etes en sous-poids", font=('Helvetica','30'))
        canvas2.create_image(10, 10,anchor=NW, image = image_sousp)
        
    if imc >=18.5 and imc<=24.9:
        text= canvas.create_text(200,40,text="votre poids est normal", font=('Helvetica','30',))
        canvas2.create_image(0,0,anchor=NW,image=image_norm)
        
    if imc >=25.0 and imc<=29.9:
        text= canvas.create_text(200,40,text="vous êtes en sur poids", font=('Helvetica','30',))
        canvas2.create_image(0, 0,anchor=NW, image = image_surpoids)
        
    if imc >=30.0 and imc<=34.9:
        text= canvas.create_text(200,40,text="vous etes en obesité", font=('Helvetica','30',))
        canvas2.create_image(0, 0,anchor=NW, image = image_obes)
        
    if imc >=35.0:           
        text= canvas.create_text(200,40,text="vous etes en obesité sévère", font=('Helvetica','30',))
        canvas2.create_image(0, 0,anchor=NW, image = image_obes_s)
        
    lbl=Label(fen, text="votre imc est de :", font='Arial')
    lbl.grid(padx=15, pady=15)
    lbl=Label(fen, text=imc, font='Arial')   #afficher le resultat calcul imc
    lbl.grid(padx=15, pady=15)
                                             # graphique
                                             
    new_manager = plt.figure().canvas.manager 
    fig=new_manager.canvas.figure  
    fig.set_canvas(new_manager.canvas)
    
    x = np.linspace(100, 220)  # les tailles extrèmes en cm
                # cm//m
    plt.fill_between(x, 0, 18.5 * (x/100)**2, label="sous poids",color="LightBlue")  # sous poids si 0 <= y <= 18.5 * x²
    plt.fill_between(x, 18.5 * (x/100)**2, 25 * (x/100)**2, label="poids idéal",color="yellow")  # idéal si 18.5 * x² <= y <= 25 * x²
    
#     plt.scatter(entree_cm.get(), poids, color='gray') 
     
    plt.xlabel('Taille (cm)')
    plt.ylabel('Poids (kg)')
    plt.title('IMC')

    
    plt.show()

bouton=Button(fen, text="Afficher l'IMC", command=afficher_imc)
bouton.grid(padx=50, pady=10)



fen.mainloop()