#!/usr/bin/env python
# -*- coding: utf-8 -*-

import httplib
import json
from vbctrl import *
import random
import errno
import os
import signal
import time

real_hw = True

def adjust_blanks(s):
    blank = '░'
    return s.replace('░',' ')

def get_board_content():
    conn = httplib.HTTPSConnection('app.vestaboard.com')
    conn.request('GET', '/api/v1/board/%s/describe' % board_id)
    response = conn.getresponse()
    print response.status, response.reason
    retval = adjust_blanks(response.read())
    conn.close()
    return retval

def is_new_content(new, old):
    retval = False
    for v in zip(new,old):
        if v[0] != v[1]:
            retval = True
            break
    return retval

def random_colors():
    proto = [ 
	'`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d',
	'`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d',
	'`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d',
	'`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d',
	'`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d',
	'`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d',
	'`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d`%d']
    lines = []    
    for p in proto:
	s = p % (random.randint(1, 5),
            random.randint(1, 5),
            random.randint(1, 5),
            random.randint(1, 5),
            random.randint(1, 5),
            random.randint(1, 5),
            random.randint(1, 5),
            random.randint(1, 5),
            random.randint(1, 5),
            random.randint(1, 5),
            random.randint(1, 5),
            random.randint(1, 5),
            random.randint(1, 5),
            random.randint(1, 5),
            random.randint(1, 5),
            random.randint(1, 5),
            random.randint(1, 5),
            random.randint(1, 5),
            random.randint(1, 5),
            random.randint(1, 5),
            random.randint(1, 5),
            random.randint(1, 5),
            random.randint(1, 5))
        lines.append(s)
    setup_digits(lines, left_to_right_swap=False)


board_id = '700df57c-8b0a-4166-8758-b9de6e900cb8'

# ANDREA
timeouts = 10
if real_hw:
    print 'before pause'
    time.sleep(5)
    print 'after pause'
    print 'before init_uart'
    board_init_uart()
    print 'after init_uart'
    print 'before blanks'
    # ANDREA
    emc_blanks()
    print 'after blanks'
    print 'before 2nd pause'
    time.sleep(timeouts)
    print 'after 2nd pause'

last_lines = ['', '', '', '', '', '']
displayChar = ['A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','!','@','#','$','&',';','(',')','-','+','=',':','\'','\"','%',',','.','?','`8','/','1','2','3','4','5','6','7','8','9','0','`0','`1','`2','`3','`4','`5','`6','`7']
displayLines = ['','','','','','']
data = None

class TimeoutError(Exception):
    pass

class timeout:
    def __init__(self, seconds=1, error_message='Timeout'):
        self.seconds = seconds
        self.error_message = error_message
    def handle_timeout(self, signum, frame):
        raise TimeoutError(self.error_message)
    def __enter__(self):
        signal.signal(signal.SIGALRM, self.handle_timeout)
        signal.alarm(self.seconds)
    def __exit__(self, type, value, traceback):
        signal.alarm(0)

while True:
    for pos in range(64):
        for j in range(6):
            displayLines[j] = 22*displayChar[pos]
        lines = displayLines
        print 'LINES: '
        print lines

        print 'before setup digits'
        # ANDREA
        with timeout(seconds=2):
            try:
                setup_digits(lines, left_to_right_swap=False, real_hw=real_hw)
                print 'after setup digits'
                last_lines = lines
            except:
                continue
        print 'Waiting for bits to change...'
        if pos == 63:
            time.sleep(2)
        else:
            time.sleep(4.5)
        print 'Fetching message...'