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

import sys, os, re, shutil
from plistlib import *

usage = """
usage:
emot_port.py emoticons.AdiumEmoticonSet [emoticons.colloquyEmoticons]
"""

adiumBundlePath = "sa.AdiumEmoticonSet"
colloquyBundlePath = "sa.colloquyEmoticons"

emoticonCSSCommonFrag = """
.emoticon:after {
    vertical-align: -40%;
}
"""

emoticonCSSFragTmpl = """
.emoticon.%(safeName)s:after {
    content: url("%(safeImage)s");
}
.emoticon.%(safeName)s samp {
    display: none;
}
"""

def mkCSSSafeName(existingSafeNames, imgFile):
    first = '_'.join(re.findall(r"[A-Za-z0-9]+", imgFile)).lower()
    if first == '':
        first = 'anon'
    elif re.match(r"^\d+", first):
        first = 'num_'
    if first in existingSafeNames:
        first += "_dup_"
        i = 1
        while (first + str(i) in existingSafeNames):
            i += 1
        first += str(i)
    existingSafeNames.add(first)
    return first

def main():
    if len(sys.argv) < 2 or len(sys.argv) > 3:
        print usage
        sys.exit(1)
    adiumBundlePath = sys.argv[1]
    if len(sys.argv) > 2:
        colloquyBundlePath = sys.argv[2]
    else:
        colloquyBundlePath = os.path.splitext(adiumBundlePath)[0] + '.colloquyEmoticons'
    
    os.mkdir(colloquyBundlePath)
    os.mkdir(os.path.join(colloquyBundlePath, 'Contents'))
    os.mkdir(os.path.join(colloquyBundlePath, 'Contents', 'Resources'))
    bundleName = os.path.splitext(os.path.split(colloquyBundlePath)[1])[0]
    colloquyInfoPlist = {
        'CFBundlePackageType':
            'coEm',
        'CFBundleName':
            bundleName,
        'CFBundleIdentifier':
            'us.bat-country.emot-port.%s.AdiumEmoticonSet' % bundleName,
    }
    writePlist(colloquyInfoPlist, os.path.join(colloquyBundlePath, 'Contents', 'Info.plist'))
    emoticonCSSF = open(os.path.join(colloquyBundlePath, 'Contents', 'Resources', 'emoticons.css'), 'w')
    emoticonCSSF.write(emoticonCSSCommonFrag)
    
    adiumEmots = readPlist(os.path.join(adiumBundlePath, 'Emoticons.plist'))['Emoticons']
    colloquyMenuPlist = []
    colloquyEmoticonsPlist = {}
    safeNames = set()
    for image, props in adiumEmots.items():
        basename, ext = os.path.splitext(image)
        safeName = mkCSSSafeName(safeNames, basename)
        safeImage = safeName + ext
        emoticonCSSF.write(emoticonCSSFragTmpl % vars())
        colloquyMenuPlist.append({
            'image':
                safeImage,
            'name':
                props['Name'],
            'insert':
                props['Equivalents'][0],
        })
        colloquyEmoticonsPlist[safeName] = props['Equivalents']
        shutil.copyfile(
            os.path.join(adiumBundlePath, image),
            os.path.join(colloquyBundlePath, 'Contents', 'Resources', safeImage))
    
    emoticonCSSF.close()
    writePlist(colloquyMenuPlist, os.path.join(colloquyBundlePath, 'Contents', 'Resources', 'menu.plist'))
    writePlist(colloquyEmoticonsPlist, os.path.join(colloquyBundlePath, 'Contents', 'Resources', 'emoticons.plist'))

if __name__ == '__main__':
    main()