#!/usr/local/bin/python3
from datetime import datetime
from mrz.checker.td1 import TD1CodeChecker
from mrz.checker.td2 import TD2CodeChecker
from mrz.checker.td3 import TD3CodeChecker
import pyautogui
import pygetwindow
import time
from getpass import getpass

def parse_date(date: datetime):
    return datetime.strptime(date, "%y%m%d")

def add_year(date: datetime, year: int):
    return datetime(date.year+year, date.month, date.day, date.hour, date.minute, date.second, date.microsecond, date.tzinfo)

def print_relevant_info(relevant_info: list):
    print(str.join(" ",relevant_info))

def validity_years(birth_date: datetime):
    now = datetime.now()

    yo = now.year-birth_date.year
    years = 0
    if (5 <= yo < 30):
        years = 5
    elif (30 <= yo < 70):
        years = 10

    return years

def document_type_parse(document_type, country):
    if document_type == "ID" and country == "ESP":
        document_type = "D"
    elif document_type == "ID" and country != "ESP":
        document_type = "I"
    return document_type

def relevant_info(fields):
    document_type = document_type_parse(fields.document_type, fields.country)
    birth_date = parse_date(fields.birth_date)
    expiry_date = parse_date(fields.expiry_date)

    validity_year = validity_years(birth_date)
    expiry_date = add_year(expiry_date, -validity_year)

    document_number = fields.document_number
    if fields.optional_data != "":
        document_number = fields.optional_data

    surname = fields.surname.split(" ")

    return [
        document_type,
        document_number,
        expiry_date.strftime("%d%m%Y")
    ] + surname + [
        fields.name,
        fields.sex,
        birth_date.strftime("%d%m%Y"),
        fields.nationality
    ]

def clean_mrz_input(mrz: str):
    mrz = mrz.replace(";", "<")
    mrz = mrz.replace("\n", "")
    return mrz


def mrz_parser(mrz: str):
    mrz = clean_mrz_input(mrz)
    if (len(mrz) == 3*30): # TD1 ID Cards
        mrz = mrz[0:30] + "\n" + mrz[30:60] + "\n" + mrz[60:90]
        check = TD1CodeChecker(mrz) 
        if bool(check):
            fields = check.fields()
            return relevant_info(fields)

    elif (len(mrz) == 2*36): # TD2
        mrz = mrz[0:36] + "\n" + mrz[36:36*2]
        check = TD2CodeChecker(mrz)
        if bool(check):
            fields = check.fields()
            return relevant_info(fields)

    elif (len(mrz) == 2*44): # TD3: Passports
        mrz = mrz[0:44] + "\n" + mrz[44:44*2]
        check = TD3CodeChecker(mrz)
        if bool(check):
            fields = check.fields()
            print(fields)
            return relevant_info(fields)

    else:
        print("Formato erroneo")
        return None

    return None

def writer_format(info: list):
    new_info = info
    inserts = [2,5,-4,-3]
    for i in inserts:
        new_info.insert(i, ".")
    return new_info

def activate(title: str, maximize = False):
    w = pygetwindow.getWindowsWithTitle(title)[0]
    if not w.isActive:
        w.activate()
        if maximize:
            w.maximize()
    


def write_to_active_window(info: list):
    info = writer_format(info)
    info = str.join("",info)
    info = info.split(".")
    for d in info:
        pyautogui.write(d)
        pyautogui.press('tab')


def save(info):
    today = str(datetime.now().strftime("%d%m%Y"))
    fileName = "C:/Users/torre/Desktop/FICHEROS POLICIA/DNIESCANEADO/Clientes-{}.txt".format(today)
    output = "{}\n{}\n{}".format(
        "\n----- Check-In: " + str(datetime.now().strftime("[%d/%m/%Y, %H:%M:%S]")) + " ------ ",
        str.join(" ",info),
        "-------------------------------------------\n"
        )

    f = open(fileName, "a")
    f.write(output)
    f.close()


add_line_x = 880
add_line_y = 620

print("Use el lector para escanear los documentos de identidad\n\n")
print("Formato:\nTipo Doc. -- NºDoc -- Fec. Expiracion -- Apell. -- Nom. -- Sexo -- Fec. Nac. -- Nac")
while True:
    mrz = getpass("")
    if (mrz == "q"):
        activate("K-HOTEL for Windows")
        exit()

    info = mrz_parser(mrz)
    if (info == None):
        continue

    save(info)

    activate("K-HOTEL for Windows", maximize=True)
    time.sleep(1)
    write_to_active_window(info)
    pyautogui.click(x=add_line_x, y=add_line_y, clicks=1, interval=0, button='left')
    time.sleep(1)
    activate("Lector Doc. Identidad")

    print("\n------ Cliente -----")
    print_relevant_info(info)
    print("--------------------")