import csv
import random
import math


def Noire(step, number=5):
    
    if step == 1:
        calcul_list = []
        for x in range(number):
            dividande = random.randint(20, 100)
            diviseur = random.randint(19, dividande)
            calcul_list.append({
                'calcul': f"{dividande} : {diviseur} =       r =     ",
                'result': f"{dividande} : {diviseur} = { math.floor(dividande / diviseur)} r = {dividande % diviseur}  "
            })
        return calcul_list
        
        
    if step == 2:
        calcul_list = []
        for x in range(number ):
            op1 = random.choice(['+', '-', 'x', ':'])
            op2 = random.choice(['+', '-', 'x', ':'])

            n1 = random.randint(2, 10)
            #print('N1', n1, op1)
            if op1 == '-' or op1 == ":":
                n2 = random.randint(1, n1)
            else:
                n2 = random.randint(1, 10)

            #premier calcul
            if op1 == '-':
                res1 = n1 - n2
            elif op1 == '+':
                res1 = n1 + n2
            elif op1 == 'x':
                res1 = n1 * n2
            elif op1 == ':':
                res1 = n1 / n2

            if op2 == '-' or op2 == '/':
                max_limit = (10, int(res1))[res1 < 10]
                min_limit = (1, 0)[int(res1) == 0]
                n3 = random.randint(min_limit, max_limit)
            else:
                n3 = random.randint(1, 10)

            #deuxieme
            if op2 == '-':
                final_result = res1 - n3
            if op2 == '+':
                final_result = res1 + n3
            if op2 == 'x':
                final_result = res1 * n3
            if op2 == ':':
                final_result = res1 / n3
            calcul_list.append({
                'calcul': f"({n1} {op1} {n2}) {op2} {n3} =     ",
                'result': f"({n1} {op1} {n2}) {op2} {n3} = {final_result}"
            })
        return calcul_list
        
        

    if step == 3:
        calcul_list = []
        for x in range(number):
            nb = random.randint(0,2000)
            centaine_sup = math.ceil(nb/100) * 100
            calcul_list.append({
                'calcul': f"{nb} + ... = {centaine_sup}",
                'result': f'{nb} + {centaine_sup - nb} = {centaine_sup}'
            })
        return calcul_list
        
        

    if step == 4:
        calcul_list = []
        for x in range(number):
            nb = random.randint(2, 10)
            calcul_list.append({
                'calcul': f"{nb} x 25 =    ",
                'result': f"{nb} x 25 = {nb * 25}"
            })
        return calcul_list