import sys
import os
import yaml
import matplotlib.pyplot as plt
import numpy as np


def s_a(n):
    return sum(n)/len(n)

def mediana(n):
    while len(n) >2:
        n.remove(min(n))
        n.remove(max(n))
    if len(n) == 2:
        return s_a(n)
    else:
        return n[0]


def plot(ax, path, color):
    scores =[]

    for filename in sorted(os.listdir(path)):
        file_path = os.path.join(path, filename)
        # Check if it is a file and not a subdirectory
        if os.path.isfile(file_path) and file_path.endswith('.yaml'):
            with open(file_path, 'r', encoding='utf-8') as file:
                data = yaml.load(file, Loader = yaml.Loader)
                scores.append(data['score'])
                #scores.append(data['score']/data['total_time'])


    ax.plot(range(1, len(scores)+1),scores, '.-', label=f"{path.split('/')[-1]}'s scores", color = color)
    ax.plot((1, len(scores)),(s_a(scores), s_a(scores)), '--', label=f"{path.split('/')[-1]}'s mean ({round(s_a(scores), 3)})", color = color)
    ax.plot((1, len(scores)),(mediana(scores), mediana(scores)), ':', label=f"{path.split('/')[-1]}'s mediana ({round(mediana(scores), 3)})", color = color)



if __name__ == '__main__':
    fig, ax = plt.subplots()

    plot(ax, "/home/gestures/Easy_sim/dummy_simulation/stats/Dima", "limegreen")
    plot(ax, "/home/gestures/Easy_sim/dummy_simulation/stats/Elisey", "red")
    plot(ax, "/home/gestures/Easy_sim/dummy_simulation/stats/BOBA", "magenta")
    plot(ax, "/home/gestures/Easy_sim/dummy_simulation/stats/Nika", "pink")
    plot(ax, "/home/gestures/Easy_sim/dummy_simulation/stats/Sasha", "orange")
    plot(ax, "/home/gestures/Easy_sim/dummy_simulation/stats/Christine", "blue")

    ax.set(xlabel='№', ylabel='score')
    ax.grid()
    ax.legend()
    ax.set_title("Scores of students in dummy simulation")
    plt.show()