import os, sys

def avg(a):
    return sum(a) / len(a)

def process_table(file):
    table = [["L2", "L1", "t2", "m", "Δm", "t2i", "v1", "(v1)^2", "a", "ai", "❬a❭", "A", "B"]]
    supported_args = ["r"]
    config = {"r": 6}
    with open(file, "r", encoding = "UTF-8") as f:
        for i in f:
            if i.rstrip("\r\n") != "":
                if i.rstrip("\r\n")[0] == "#" or i.rstrip("\r\n")[0] == ";":
                    print(f"Special line: {i}")
                    try:
                        cline = i.rstrip("\r\n")[1:].split()
                        if len(cline) == 2 and cline[0] in supported_args:
                            config[cline[0]] = int(cline[1])
                    except:
                        pass
                else:
                    print(f"Table line: {i}")
                    table.append(list(map(lambda x: float(x), i.rstrip("\r\n").replace(",", ".").split())))

    r = config["r"]
    for i in table[1:]:
        i.append(round(i[0] / i[2], r))
        i.append(round(i[6]**2, r))
        i.append(round((i[0]**2)/(2*(i[2]**2)*i[1]), r))

    preset_L2 = table[1][0]
    preset_L1 = table[1][1]
    
    for i in table[1:]:
        i.append(round((preset_L2**2) / (2 * (i[5]**2) * preset_L1), r))
        #i.append(round((i[0]**2) / (2 * (i[5]**2) * i[1]), r))

    preset_avg_a = [avg(list(zip(*table[1:][i:i+3]))[9]) for i in range(0, 12, 3)]
    for i in range(4):
        for k in range(3):
            table[1 + i*3 + k].append(round(preset_avg_a[i], r))

    for i in table[1:]:
        i.append(round(i[4]/(2*i[3]), r))
        i.append(round(i[10]/(9.8-i[10]), r))

    w = max([max(list(map(lambda x: len(str(x)), i))) for i in table])
    print("\n".join([" | ".join(list(map(lambda x: str(x).center(w), i))) for i in table]))
    
    miss_rate = round(abs(avg(list(zip(*table[1:]))[11]) - avg(list(zip(*table[1:]))[12])), r)
    print(f"\nОбчислюємо похибку за формулою |❬A❭ - ❬B❭| = |{round(avg(list(zip(*table[1:]))[11]), r)} - {round(avg(list(zip(*table[1:]))[12]), r)}| = {miss_rate}")

if len(sys.argv) == 2 and os.path.exists(sys.argv[1]):
    process_table(sys.argv[1])
else:
    print("Будь ласка, вкажіть файл для обробки")