class Population:

    # fitness = Empty; population = [chromosome, chromosome, etc.]
    def __init__(self, chromosomes = None):
        if chromosomes is None:
          self.chromosomes = []
        else:
          self.chromosomes = chromosomes
        self.fitness = None

    def get_closet_fitness(self,value):
        # Get the chomosome that has the closets fitness to the value defined
        pass

    def add_chromosome(self, chromosome, index = -1):
        if index == -1:
            index = len(self.chromosomes)
        self.chromosomes.insert(index, chromosome)

    def remove_chromosome(self, index):
        del self.chromosomes[index]

    def get_all_chromosomes(self):
        """returns all chromosomes in the population"""
        return self.chromosomes

    def get_fitness(self):
        return self.fitness

    def set_all_chromosomes(self, chromosomes):
        self.chromosomes = chromosomes

    def set_chromosome(self, chromosomes, index):
        self.chromosome[index] = chromosome

    def set_fitness(self, fitness):
        self.fitness = fitness

    def __repr__(self):
        for index in range(len(self.chromosomes)):
            return f'{self.chromosomes[index]}'

    def print_all(self):
        # Ex .Current population
        #     Chromosome 1 - [gene][gene][gene][.etc] /  Chromosome fitness - #
        print("Current population:")
        for index in range(len(self.chromosomes)):
            print(f'Chromosome - {index} {self.chromosomes[index]}', end = "")
            print(f' / Fitness = {self.chromosomes[index].fitness}')

    def generate_first_chromosomes(self, chromosome_count, chromosome_length, gene_lower_bound, gene_upper_bound):
        #Creating the chromosomes with Genes of random size
        for x in range(chromosome_count):
            chromosome = Chromosome(chromosome_length)
            for y in range(chromosome_length):
                chromosome.gene_set[y] = Gene(random.randint(gene_lower_bound[y], gene_upper_bound[y]))
            self.chromosome_set.append(chromosome)