#!/usr/bin/env python
## CURSES BASIC-MAIL GUI 
#   This is the Basic-Mail program, a basic email client written in python
#   with a curses interface.
#
# To Run: Go to the Basic-Mail directory and type "python Basic-Mail.py",
#         without the quotes.
#         If it doesn't open, make sure that the size of the console window
#         is at least 80 x 30 pixels.
##
## Filename: pop_up.py ##
#   This file contains functions that deal with pop ups.
##

## IMPORTS ##
import curses, curses.ascii, curses.panel  # Curses imports
import traceback, os, sys, select, string  # Random imports
from variables import *  # Imports all variables
from draw import *  # Imports the window drawing functions

## Function: Creates appropriate pop-up window for the option selected.
##           Different functions programmed for each option.
##           Also returns different things depending on the option selected.
##           Fourth variables, selection, determines function:
##           0 = Quits, 1: Cannot Close Tab, 2: Cannot Open Tab
## Usage: live = create_pop_up(0)
def create_pop_up(selection):
    # If the user selects Quit from the File menu
    if selection == 0:
        pop_up_win = curses.newwin(4,30,13,25)
        pop_up = curses.panel.new_panel(pop_up_win)
        fill_line(pop_up_win, 30,"Quit",' ',2,0)
        draw_borders(pop_up_win,30,4)
        pop_up_win.addstr(1,4,"Would you like to exit?")
        pop_up_win.addstr(2,9,"[Yes] or [No]")
        pop_up_win.addch(2,10,'Y',curses.color_pair(3))
        pop_up_win.addch(2,19,'N',curses.color_pair(3))

        # Waits for the user's response
        live = 1
        while(live):
            pop_up_win.move(0,0)  # Moves cursor
            input = pop_up_win.getch(0,0)  # Takes input at location
            if curses.ascii.unctrl(input) == 'y' or\
                   curses.ascii.unctrl(input) == 'Y':
                return 0
                live = 0
            elif curses.ascii.unctrl(input) == 'n' or\
                   curses.ascii.unctrl(input) == 'N':
                return 1
                live = 0

    # If the user has selected to close the last open tab
    elif selection == 1:
        pop_up_win = curses.newwin(5,30,13,25)
        pop_up = curses.panel.new_panel(pop_up_win)
        fill_line(pop_up_win, 30,"Quit",' ',2,0)
        draw_borders(pop_up_win,30,5)
        pop_up_win.addstr(1,4,"The last remaining tab")
        pop_up_win.addstr(2,6,"cannot be closed.")
        pop_up_win.addstr(3,11,"[Enter]",curses.color_pair(3))

        # Waits for the user's response
        live = 1
        while(live):
            pop_up_win.move(0,0)  # Moves cursor
            input = pop_up_win.getch(0,0)  # Takes input at location
            if input == ord('\n'):
                live = 0
    elif selection == 2:
        pop_up_win = curses.newwin(5,34,13,23)
        pop_up = curses.panel.new_panel(pop_up_win)
        fill_line(pop_up_win, 34,"Quit",' ',2,0)
        draw_borders(pop_up_win,34,5)
        pop_up_win.addstr(1,3,"There are too many tabs open.")
        pop_up_win.addstr(2,6,"You cannot open another.")
        pop_up_win.addstr(3,13,"[Enter]",curses.color_pair(3))

        # Waits for the user's response
        live = 1
        while(live):
            pop_up_win.move(0,0)  # Moves cursor
            input = pop_up_win.getch(0,0)  # Takes input at location
            if input == ord('\n'):
                live = 0

    else:
        return 0