TestTechniqueDigitalProcess/elevatorControl at main · BaptisteLaran/TestTechniqueDigitalProcess · GitHub

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#!/usr/bin/env python3

import sys
import time

"""This two functions represent hardware commands.
In a real case hardware commands will be in used in replacement"""

class Elevator:

    """Init Elevator class with actual_floor, pressed_floor, min_floor and max_floor"""
    def __init__(self, actual_floor, pressed_floor, min_floor, max_floor):
        self.actual_f = actual_floor
        self.pressed_f = pressed_floor
        self.min_f = min_floor
        self.max_f = max_floor

    """Go up one floor at a time to the selected floor"""
    def goUp(self):
        while(self.pressed_f > self.actual_f):
            self.actual_f += 1
            print("Floor :", self.actual_f)
            time.sleep(1)

    """Go down one floor at a time to the selected floor"""
    def goDown(self):
        while(self.pressed_f < self.actual_f):
            self.actual_f -= 1
            print("Floor :", self.actual_f)
            time.sleep(1)

    """Check if the selected floor is available"""
    def check_available_floor(self):
        if (self.min_f > self.max_f):
            print("Min > Max is impossible")
            return (84)
        elif (self.pressed_f < self.min_f or self.pressed_f > self.max_f):
            print("Floor", self.pressed_f, "is unavailable")
            return (84)
        elif (self.actual_f < self.min_f or self.actual_f > self.max_f):
            print("You're not supposed to be here")
            return (84)
        return (0)

    """Choose if the elevator needs to go up or down"""
    def move_to_floor(self):
        up_or_down = self.pressed_f - self.actual_f

        if (up_or_down > 0):
            self.goUp()
        elif (up_or_down < 0):
            self.goDown()
        return (0)

"""Print help"""
def print_help():
    print("USAGE\n\t./elevatorControl [-h or --help] actual_floor desire_floor minimal_floor maximum_floor")
    print("DESCRIPTION\n\tProgram that control the up-and-down of elevators")


def move_elevator(params: list):
    elevator = Elevator(int(params[1]), int(params[2]), int(params[3]), int(params[4]))

    if (elevator.check_available_floor() == 84):
        return(84)
    print ("Attention to the closing doors")
    print("Floor :", elevator.actual_f)
    time.sleep(1)
    elevator.move_to_floor()
    print("Be careful when you exit the elevator")
    return (0)

if __name__ == '__main__':
    params = sys.argv.copy()

    if (len(params) == 1):
        print("No arguments were given")
        exit (84)
    if (params[1] == "-h" or params[1] == "--help"):
        print_help()
        exit(0)
    if (len(params) != 5):
        print("Bad number of arguments. Needs 4")
        exit(84)
    for i in range(1, len(params)):
        try:
            int(params[i])
        except:
            print("Only int are accepted")
            exit(84)
    if (move_elevator(params) == 84):
        exit(84)
    exit(0)