smuuf/primi

import std.math
import std.hash
import std.time
import std.term.colors: Fg, Style

class ProgressBar {

    SPINNER = (
        '.:.     ',
        ' .:.    ',
        '  .:.   ',
        '   .:.  ',
        '    .:. ',
        '      .:',
        ':.     .',
    )

    last_length = 0
    counter = 1

    function print(self, text) {
        text = f"{text} [{Fg.LIGHTCYAN}{self.get_spinner()}{Style.RESET}]"
        print('\b' * self.last_length, end: '')
        print(text, end: '')
        self.last_length = len(text)
        self.counter = self.counter + 1
    }

    function get_spinner(self) {
        spinner_phase = math.mod(self.counter, len(self.SPINNER))
        return self.SPINNER[spinner_phase - 1]
    }

}

max = 20

progress = ProgressBar()
for (c in range(max)) {
    md5 = hash.md5(string(c))
    progress.print(f"Processing item {c + 1}/{max} '{Fg.GREEN}{md5}{Style.RESET}' ...")
    time.sleep(0.04)
}

print()