import pyxel

pyxel.init(250,250)
pyxel.mouse(True)

morpion = [[0, 0, 0],
           [0, 0, 0],
           [0, 0, 0]]
numero = 1 #joueur 1 qui commence

def centre_case(x, y):
    if 50 <= x <= 200:
        xc= (x // 50) * 50 + 25
    if 50 <= y <= 200:
        yc= (y // 50) * 50 + 25
    return xc, yc
    
    
def dessiner_quadrillage():
    for k in range(50, 250, 50):
        pyxel.line(50, k, 200, k, 5)
        pyxel.line(k, 50, k, 200, 5)
        
def dessiner_symbole(x, y, num):
    xc, yc = centre_case(x, y)
    if num == 1:
        pyxel.circb(xc, yc, 20, 5)
    else:
        pyxel.line(xc-20, yc-20, xc+20, yc+20, 5)
        pyxel.line(xc-20, yc+20, xc+20, yc-20, 5)
        
def dessiner_grille():
    pyxel.cls(0)
    dessiner_quadrillage()
    for i in range(3):
        for j in range(3):
            if morpion[i][j] != 0:
                dessiner_symbole(75 + 50*j, 75 + 50 *i, morpion[i][j])
                
def clic_valide():
    if 50 <= pyxel.mouse_x <= 200 and 50 <= pyxel.mouse_y <= 200:
        j = pyxel.mouse_x // 50 - 1
        i = pyxel.mouse_y // 50 - 1
        if morpion[i][j] == 0:
            return True
    return False
        
    
                
def mise_a_jour_morpion(n):
    
    if pyxel.btnp(pyxel.MOUSE_BUTTON_LEFT):
        if clic_valide():
            j = pyxel.mouse_x // 50 - 1
            i = pyxel.mouse_y // 50 - 1
            morpion[i][j] = numero
            return (n * 2) % 3
            
    return n


def gagnant():
    #renvoie 0 si pas de gagnant, sinon 1 ou 2 (le numéro du gagnant)
    #test sur les lignes
    for i in range(3):
        p = 1
        for j in range(3):
            p = p * morpion[i][j]
        if p == 1:
            return 1
        elif p == 8:
            return 2
    #test sur les colonnes
    for j in range(3):
        p = 1
        for i in range(3):
            p = p * morpion[i][j]
        if p == 1:
            return 1
        elif p == 8:
            return 2
    #test sur une diagonale
    p = 1
    for i in range(3):
       p = p * morpion[i][i]
    if p == 1:
        return 1
    elif p == 8:
        return 2
    #test sur une diagonale
    p = 1
    for i in range(3):
       p = p * morpion[i][2-i]
    if p == 1:
        return 1
    elif p == 8:
        return 2
    return 0
       
 
def fin_de_partie():
    rempli = True #la grille est remplie
    for i in range(3):
        if 0 in morpion[i]:
            rempli = False
    if not rempli :
        if gagnant() != 0: #il y a un gagnant
            return True
    return rempli
    
        
        
         
        
def update():
    global numero
    if not fin_de_partie():
        numero = mise_a_jour_morpion(numero)
    
        
    

def draw():
    dessiner_grille()
    if fin_de_partie():
        if gagnant() == 0:
            pyxel.text(10, 10, "Pas de gagnant !", 7)
        elif gagnant() == 1:
            pyxel.text(10, 10, "Les ronds gagnent", 7)
        else:
            pyxel.text(10, 10, "Les croix gagnent", 7)
        
    
    

pyxel.run(update, draw)