"""
Based around KarambaVerseOfTheDay by Jan Finell but for those who like non-christian quotes.

KarambaVerseOfTheDay (c) 2003 Jan Finell
Superkaramba bible-verse-of-the-day theme.

Fetching verses from
http://votd.christ.com/biblevotd/

!Note!
Using the python textwrap module, hence it will only work with Python2.3
      

### LICENSE ########################################################
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
###################################################################
"""

__author__  = 'Oskar Flordal'
__version__ = '0.1'

#
# standard modules
#
import karamba
import re, time, urllib, textwrap

#
# variables & constants
#
class Var:
    """
    Helper class for keeping runtime variables
    """
    def __init__(self, **kws):
        self.__dict__ = kws

VAR = Var(shown=False, utime=None,
          book='', chapter='', verse='')

CHAR_W = 6
CHAR_H = 15
VERSE_MAX_WIDTH = 170 / CHAR_W # 170 is the width of the bg-image
VERSE_BG_X, VERSE_BG_Y = (0,15)
VERSE_COLOR = (5, 64, 78)

VERSE_URL = "http://votd.christ.com/biblevotd/votd-nas.js"
BOOK_CHAPTER_PATTERN = re.compile('<I>(.+)</I> \(NASB\)')
VERSE_PATTERN = re.compile('votd1 = "(.+)<BR><br>')
SUP_PATTERN = re.compile('(<SUP> )|(</SUP>)')
BR_PATTERN  = re.compile('(<BR>)|(<br>)')
DEL_PATTERN = re.compile(r'(&nbsp;)|(\\")')


#
# my own functions
#
def get_verse_of_the_day():
    try:
        print '-- fetching data from url:%s --' % VERSE_URL
        fp = urllib.urlopen(VERSE_URL)
        jsData = fp.read()
        fp.close()
    except Exception,e :
        print 'Error fetching verse from "%s" (%s)' % (URL, e)
        return ('','','')
    print '-- parsing data --'
    lines = jsData.split('\n')
    # removing extra (first and last three lines) lines
    lines = lines[3:-3] #

    # depending on the day of the week we chose a line
    weekday = int(time.strftime('%w'))
    line = lines[weekday]
    try:
        # using regex to get the real line.
        bookChapterL  = BOOK_CHAPTER_PATTERN.search(line).group(1).split()
        book = ' '.join(bookChapterL[:-1])
        chapter = bookChapterL[-1]
        verse = VERSE_PATTERN.search(line).group(1)
        verse = SUP_PATTERN.sub(' * ',verse)
        verse = BR_PATTERN.sub('\n', verse)
        verse = DEL_PATTERN.sub('',verse)
    except Exception, e:
        print 'Error parsing verse "%s" (%s)' % (line, e)
        return ('','','')
    print '-- done --'
    return (book, chapter, verse)

#
# Karamba functions
#
def initWidget(widget):
    karamba.attachClickArea(widget, karamba.getThemeText(widget,'BACKGROUND'))
    widgetUpdated(widget)
    
def widgetUpdated(widget):
    if VAR.utime is None or time.time()-VAR.utime > 80000:
        VAR.book, VAR.chapter, VAR.verse = get_verse_of_the_day()
        VAR.utime = time.time()
        _update(widget)

def meterClicked(widget, meter, button):
    if VAR.verse:
        if VAR.shown:
            _hide_verse(widget)
        else:
            _show_verse(widget)
        karamba.redrawWidget(widget)
        VAR.shown = not VAR.shown
    
#
# protected methods
#
def _update(widget):
    karamba.changeText(widget,
                       karamba.getThemeText(widget, 'BOOK'),
                       VAR.book)
    karamba.changeText(widget,
                       karamba.getThemeText(widget, 'CHAPTER'),
                       VAR.chapter)
    karamba.redrawWidget(widget)

def _show_verse(widget):
    verseL = textwrap.wrap(VAR.verse, VERSE_MAX_WIDTH)
    bgHeight = CHAR_H*len(verseL)+4
    bgW = karamba.createImage(widget, VERSE_BG_X, VERSE_BG_Y,
                             'images/details_bg.png')
    for i in range(5, bgHeight, 8):
        karamba.resizeImage(widget, bgW, 180, i)
        karamba.redrawWidget(widget)
    karamba.resizeImage(widget, bgW, 180, bgHeight)
    karamba.redrawWidget(widget)
    
    verseW = karamba.createText(widget, VERSE_BG_X+10, VERSE_BG_Y+4,
                                170, bgHeight, '\n'.join(verseL))
    karamba.changeTextSize(widget, verseW, 11)
    karamba.changeTextColor(widget, verseW, *VERSE_COLOR)
    
    VAR.verseW = verseW
    VAR.bgW    = bgW

def _hide_verse(widget):
    karamba.hideImage(widget, VAR.bgW)
    karamba.hideText(widget, VAR.verseW)
    karamba.deleteImage(widget, VAR.bgW)
    karamba.deleteText(widget, VAR.verseW)
    VAR.verseW = VAR.bgW = None