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

import httplib
import urllib
import json
from vbctrl import *
import random

real_hw = True

def adjust_blanks(s):
    blank = '░'
    return s.replace('░','`0')

def get_board_content():
    url1 = 'https://app.vestaboard.com/api/v1/board/'
    url2 = '/describe'
    full_url = url1 + board_id + url2
    page = urllib.urlopen(full_url)
    #conn = httplib.HTTPSConnection('app.vestaboard.com')
    #conn.request('GET', '/api/v1/board/%s/describe' % board_id)
    #response = conn.getresponse()
    contents = page.read()
    #print response.status, response.reason
    print page.getcode()
    #retval = adjust_blanks(response.read())
    retval = adjust_blanks(contents)
    #conn.close()
    page.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']
    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))
        lines.append(s)
    setup_digits(lines, left_to_right_swap=False)
    
# VBR (23x7)
#board_id = '700df57c-8b0a-4166-8758-b9de6e900cb8'
# VB (22x6)
#board_id = 'demo-a3c6ed9d-0499-4368-a3e9-b132cfc94305'
# Testaboard
board_id = 'demo-6a439bfd-fe37-4d82-af76-9cbf4fbd6367'

# ANDREA
timeouts = 15
if real_hw:
    print 'before pause'
    time.sleep(timeouts)
    print 'after pause'
    print 'before init_uart'
    board_init_uart()
    print 'after init_uart'
    print 'before blanks'
    # ANDREA
    blanks()
    print 'after blanks'
    print 'before 2nd pause'
    time.sleep(timeouts)
    print 'after 2nd pause'

last_lines = ['', '', '', '', '', '']

data = None
while True:

    time.sleep(3)

    r = get_board_content()
    data = json.loads(r)
    ulines = data['message']['lines']
    lines = [l.encode('ascii', 'ignore') for l in ulines]
    print lines
    row_num = len(lines)
    print('Number of rows: %d') % row_num
    #for i in range(7):
    #	print('%s || %s' %(lines[i], last_lines[i]))

    if row_num > 6:
        print('* * * * * ')
        print('ERROR: Too many rows; cannot send your message to the board. Sorry!')
        print('* * * * * ')

    if row_num < 7:
        row_len_flag = 0
        for i in range(row_num):
            row_string = lines[i]
            #print('CURRENT ROW STRING: %s') % row_string
            row_len = len(row_string)
            #print('CURRENT ROW LENGTH: %s') % row_len
            if row_len > 22:
                row_len_flag = 1
                print('* * * * * ')
                print('ERROR: Too many characters in row %d; cannot send your message to the board. Sorry!') % i
                print('* * * * * ')
        if row_len_flag == 0:
            print('Jolly good! The message is OK to send to the board.')
            if lines and is_new_content(lines, last_lines):
            #if lines != last_lines:
                print 'before setup digits'
                # ANDREA
                setup_digits(lines, left_to_right_swap=False, real_hw=real_hw)
                print 'after setup digits'
                last_lines = lines