import subprocess

import os, time

from os.path import expanduser
home = expanduser("~")

mainCategory = ""

subCategory = ""

numberOfPages = -1

print("")

#Try to get the URI of the printer at the file in ~/.local/share/scan-auto/printer_uri

try:

    f = open(home+"/.local/share/scan-auto/printer_uri", "r")
    
    print("Printer URI is:")
    print(f.readline()) 

    printerURI = f.readline()
except:
    print("Please create a file at " + home + "/.local/share/scan-auto/printer_uri")

    print("And populate it with the hp-probe URI of your printer, e.g: escl:https://192.168.X.XX:443")

    exit()

while mainCategory == "":
    try:
        mainCategory = str(input("Main category of document: "))
        
    except:
        
        mainCategory = ""

    if mainCategory == "":
        #Not best way to do this, but it's a small script, so idc :shrug:
        os.system("clear") 
        print("Invalid input, please try again:")

#Keep the terminal clean :)

print("")

while subCategory == "":
    try:
        subCategory = str(input("Subcategory of document: "))
        
    except:
        
        subCategory = ""

    if subCategory == "":
        #Not best way to do this, but it's a small script, so idc :shrug:
        os.system("clear") 
        print("Invalid input, please try again:")

print("")

while numberOfPages <= 0:
    try:
        numberOfPages = int(input("Number of pages for document: "))
        
    except:
        
        numberOfPages = -1

    if numberOfPages <= 0:
        #Not best way to do this, but it's a small script, so idc :shrug:
        os.system("clear") 
        print("Invalid input, please try again:")


#The inputs have passed validation - onto the fun part :)

finalCommand = ""

def putCommandTogether(pageNumber=int()):

 #Final command looks like this:  hp-scan -d escl:https://192.168.0.XX:443  -o <mainCategory>-<subCategory>-pg<pageNumber>.jpg -mcolor; magick convert <mainCategory>-<subCategory>-<pageNumber>.jpg img.pdf 

 finalCommand = "hp-scan -d " + printerURI 

 finalCommand = finalCommand + "-o " + mainCategory + "-" + subCategory + "-pg" + pageNumber