import time
import sys
import matplotlib
matplotlib.use('Agg')



def progbar(i, n, size=16):
    done = (i * size) // n
    bar = ''
    for i in range(size):
        bar += '█' if i <= done else '░'
    return bar


def stream(message):
    sys.stdout.write(f"\r{message}")


def simple_table(item_tuples):
    border_pattern = '+---------------------------------------'
    whitespace = '                                            '

    headings, cells, = [], []

    for item in item_tuples:

        heading, cell = str(item[0]), str(item[1])

        pad_head = True if len(heading) < len(cell) else False

        pad = abs(len(heading) - len(cell))
        pad = whitespace[:pad]

        pad_left = pad[:len(pad) // 2]
        pad_right = pad[len(pad) // 2:]

        if pad_head:
            heading = pad_left + heading + pad_right
        else:
            cell = pad_left + cell + pad_right

        headings += [heading]
        cells += [cell]

    border, head, body = '', '', ''

    for i in range(len(item_tuples)):

        temp_head = f'| {headings[i]} '
        temp_body = f'| {cells[i]} '

        border += border_pattern[:len(temp_head)]
        head += temp_head
        body += temp_body

        if i == len(item_tuples) - 1:
            head += '|'
            body += '|'
            border += '+'

    print(border)
    print(head)
    print(border)
    print(body)
    print(border)
    print(' ')


def time_since(started):
    elapsed = time.time() - started
    m = int(elapsed // 60)
    s = int(elapsed % 60)
    if m >= 60:
        h = int(m // 60)
        m = m % 60
        return f'{h}h {m}m {s}s'
    else:
        return f'{m}m {s}s'

