#!/usr/bin/env python3
import sqlite3
import os

def manageBankmenu(a):
    print("""
        1. Add a user.
        2. Delete a user.
        3. List users.
        4. Banking Menu.
        Q to quit.
        """)
    while True:
        menuOption = input("Choose from the menu: ")
        if menuOption == '1':
            print('Add a user')
        elif menuOption == '2':
            print('delete a user')
        elif menuOption == '3':
            print('list users')
        elif menuOption == '4':
            print('banking menu')
        elif menuOption == 'q' or menuOption == 'Q':
            break
        else:
            print('*** Option not understood. Please try again.')

def manageBank():
    print()
    #connDb = sqlite3.connect()
    #cur = connDb.cursor()
    #cur.execute('SELECT username from ACCOUNT;')
    fmt = "{0}"
    #for row in cur.fetchall():
    #    print(fmt.format(*row))
    print()

def selectBank():
    dirOutput = os.listdir()
    matchs = [match for match in dirOutput if 'db.sqlite' in match]
    #banks = dict(zip(matchs, range(len(matchs))))
    for i in matchs:
          print(i.split(".")[0])
    print()
    manBank = input('Choose which bank you would like to manage: ')
    manBank = manBank+".db.sqlite"
    manageBankmenu(manBank)

def addBank():
    bankName = input("What would you like to call this bank? ")
    bankName = bankName+".db.sqlite"
    connDb = sqlite3.connect(bankName)
    connDb.execute('''CREATE TABLE ACCOUNT
         (ID INT PRIMARY KEY     NOT NULL   UNIQUE,
         USERNAME           TEXT    NOT NULL,
         TIMESTAMP  DATETIME DEFAULT CURRENT_TIMESTAMP);''')
    connDb.execute('''CREATE TABLE BALANCE
         (ID INT PRIMARY KEY     NOT NULL   UNIQUE,
         BALANCE           INT    NOT NULL,
         TIMESTAMP  DATETIME DEFAULT CURRENT_TIMESTAMP);''')
    connDb.execute('''CREATE TABLE BANKTRANS
         (ID INT PRIMARY KEY     NOT NULL   UNIQUE,
         USERNAME           TEXT    NOT NULL,
         TIMESTAMP  DATETIME DEFAULT CURRENT_TIMESTAMP);''')
    connDb.close()
    os.system('clear')
    print()
    print(f'*** Added bank {bankName}')
    print()

def listBank():
    dirOutput = os.listdir()
    matchs = [match for match in dirOutput if 'db.sqlite' in match]
    print()
    print('Banks found: ')
    for i in matchs:
        print(i.split(".")[0])

while True:
    print("""
        1. Select a Bank.
        2. Add new bank.
        3. List banks.
        4. Delete a bank.
        Q to quit.
        """) 
    mainOption = input("Choose an option: ")
    if mainOption == '1':
        selectBank()
    elif mainOption == '2':
        addBank()
    elif mainOption == '3':
        listBank()
    elif mainOption == '4':
        print('Place function here.')
    elif mainOption == 'Q' or mainOption == 'q':
        break
    else:
        print()
        print('*** Option not understood. Please try again.')