#       Copyright (C) 2013-2015
#       Sean Poyser (seanpoyser@gmail.com)
#
#  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, 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.
#
#  You should have received a copy of the GNU General Public License
#  along with XBMC; see the file COPYING.  If not, write to
#  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
#  http://www.gnu.org/copyleft/gpl.html
#

import xbmc

import os
import re
import urllib

import utils
import sfile

HOME_INDICATOR = 'HOME:'

SHOWUNAVAIL = utils.ADDON.getSetting('SHOWUNAVAIL') == 'true'


def getFavourites(file, limit=10000, validate=True, superSearch=False, chooser=False):
    import xbmcgui

    prefix = ''
    if not chooser:
        prefix = HOME_INDICATOR if xbmcgui.getCurrentWindowId() == 10000 else ''    

    xml  = '<favourites></favourites>'
    if sfile.exists(file):
        xml = sfile.read(file)

    #fix files due to previous bug
    if HOME_INDICATOR in xml:
        xml = xml.replace(HOME_INDICATOR, '')
        sfile.write(file, xml)

    items = []

    faves = re.compile('<favourite(.+?)</favourite>').findall(xml)

    for fave in faves:
        fave = fave.replace('&quot;', '&_quot_;')
        fave = fave.replace('\'', '"')
        fave = utils.unescape(fave)

        fave = fave.replace('name=""', '')
        try:    name = re.compile('name="(.+?)"').findall(fave)[0]
        except: name = ''

        try:    thumb = re.compile('thumb="(.+?)"').findall(fave)[0]
        except: thumb = ''

        try:    cmd   = fave.split('>', 1)[-1]
        except: cmd = ''

        #name  = utils.Clean(name.replace( '&_quot_;', '"'))
        name  = name.replace( '&_quot_;', '"')
        thumb = thumb.replace('&_quot_;', '"')
        cmd   = cmd.replace(  '&_quot_;', '"')

        add = False

        if superSearch:
            add = isValid(cmd)
        elif (SHOWUNAVAIL) or (not validate) or isValid(cmd):
            add = True

        if add:
            cmd = upgradeCmd(cmd)

            if cmd.startswith('PlayMedia'):
                option = 'mode'
                try:                        
                    mode = int(favourite.getOption(cmd, option))
                except:
                    win  = xbmcgui.getCurrentWindowId()
                    cmd  = updateSFOption(cmd, 'winID', win)

            name = resolve(name)
            cmd  = patch(cmd)
            cmd  = resolve(cmd)
            cmd  = prefix + cmd

            items.append([name, thumb, cmd])
            if len(items) > limit:
                return items

    return items


def resolve(text):
    try:
        if '$LOCALIZE' in text:
            id   = int(re.compile('\$LOCALIZE\[(.+?)\]').search(text).group(1))
            text = text.replace('$LOCALIZE[%d]' % id, xbmc.getLocalizedString(id))
            return resolve(text)

        if '$INFO' in text:
            str  = re.compile('\$INFO\[(.+?)\]').search(text).group(1)
            text = text.replace('$INFO[%s]' % str, xbmc.getInfoLabel(str))
            return resolve(text)

    except:
        pass

    return text


def patch(cmd):
    cmd = cmd.replace('&quot;,return', 'SF_PATCHING1')
    cmd = cmd.replace('",return',      'SF_PATCHING2')

    cmd = cmd.replace(',return',  '')

    cmd = cmd.replace('SF_PATCHING1' , '&quot;,return')
    cmd = cmd.replace('SF_PATCHING2' , '",return')

    return cmd


def upgradeCmd(cmd):
    fanart = _getFanart(cmd)
    winID  = _getWinID(cmd)

    cmd = _removeFanart(cmd)
    cmd = _removeWinID(cmd)

    options = {}
    if fanart:
        options['fanart'] = fanart

    if winID > -1:
        options['winID'] = winID

    if len(options) > 0:
        cmd = updateSFOptions(cmd, options)

    return cmd


def removeHome(cmd):
    while cmd.startswith(HOME_INDICATOR):
        cmd = cmd[len(HOME_INDICATOR):]
    return cmd



def writeFavourites(file, faves):
    kodiFile = os.path.join('special://profile', utils.FILENAME)
    isKodi = xbmc.translatePath(file) == xbmc.translatePath(kodiFile)

    f = sfile.file(file, 'w')

    f.write('<favourites>')

    for fave in faves:
        try:
            name  = utils.escape(fave[0])
            thumb = utils.escape(fave[1])
            cmd   = utils.escape(fave[2])

            cmd = removeHome(cmd)

            if isKodi and cmd.lower().startswith('playmedia'):
                cmd = removeSFOptions(cmd)

            thumb = utils.convertToHome(thumb)

            name  = 'name="%s" '  % name
            thumb = 'thumb="%s">' % thumb
            f.write('\n\t<favourite ')
            f.write(name)
            f.write(thumb)
            f.write(cmd)
            f.write('</favourite>')
        except:
            pass

    f.write('\n</favourites>')            
    f.close()

    import xbmcgui
    try:    count = int(xbmcgui.Window(10000).getProperty('Super_Favourites_Count'))
    except: count = 0    
    xbmcgui.Window(10000).setProperty('Super_Favourites_Count', str(count+1))


def tidy(cmd):
    cmd = cmd.replace('&quot;', '')
    cmd = cmd.replace('&amp;', '&')
    cmd = removeSFOptions(cmd)

    if cmd.startswith('RunScript'):
        cmd = cmd.replace('?content_type=', '&content_type=')
        cmd = re.sub('/&content_type=(.+?)"\)', '")', cmd)

    if cmd.endswith('/")'):
        cmd = cmd.replace('/")', '")')

    if cmd.endswith(')")'):
        cmd = cmd.replace(')")', ')')

    return cmd


def isValid(cmd):
    if len(cmd) == 0:
        return False

    cmd = tidy(cmd)

    #if 'PlayMedia' in cmd:
    if cmd.startswith('PlayMedia'):
        return utils.verifyPlayMedia(cmd)

    #if 'RunScript' in cmd:
    if cmd.startswith('RunScript'):
        cmd = re.sub('/&content_type=(.+?)"\)', '")', cmd)
        if not utils.verifyScript(cmd):
            return False
        
    if 'plugin' in cmd:        
        if not utils.verifyPlugin(cmd):
            return False
        
    return True


def updateFave(file, update):
    cmd = update[2]

    fave, index, nFaves = findFave(file, cmd) 
   
    removeFave(file, cmd)
    return insertFave(file, update, index)


def replaceFave(file, update, oldCmd):
    fave, index, nFaves = findFave(file, oldCmd)
    
    if index < 0:
        return addFave(file, update)
   
    removeFave(file, oldCmd)
    return insertFave(file, update, index)


def findFave(file, cmd):
    cmd   = removeSFOptions(cmd)
    faves = getFavourites(file, validate=False)

    for idx, fave in enumerate(faves):
        if equals(fave[2], cmd):
            return fave, idx, len(faves)

    search = os.path.join(xbmc.translatePath(utils.ROOT), 'Search', utils.FILENAME).lower()

    if file.lower() != search:
        return None, -1, 0

    for idx, fave in enumerate(faves):
        if '[%SF%]' in fave[2]:
            test = fave[2].split('[%SF%]', 1)
            if cmd.startswith(test[0]) and cmd.endswith(test[1]):
                return fave, idx, len(faves)

        if '[%SF+%]' in fave[2]:
            test = fave[2].split('[%SF+%]', 1)
            if cmd.startswith(test[0]) and cmd.endswith(test[1]):
                return fave, idx, len(faves)

    return None, -1, 0


def insertFave(file, newFave, index):
    copy = []
    faves = getFavourites(file, validate=False)


    for fave in faves:
        if len(copy) == index:
            copy.append(newFave)
        copy.append(fave)

    if index >= len(copy):
        copy.append(newFave)

    writeFavourites(file, copy)
    return True


def addFave(file, newFave):
    faves = getFavourites(file, validate=False)
    faves.append(newFave)

    writeFavourites(file, faves)
    return True


def moveFave(src, dst, fave):
    if not copyFave(dst, fave):
        return False
    return removeFave(src, fave[2])


def copyFave(file, original):
    faves   = getFavourites(file, validate=False)
    updated = False

    copy = list(original)
    copy = removeSFOptions(copy[2])

    #if it is already in then just update it
    for idx, fave in enumerate(faves):
        if equals(removeSFOptions(fave[2]), copy):
            updated    = True
            faves[idx] = original
            break

    if not updated:
        faves.append(original)

    writeFavourites(file, faves)
    return True


def removeFave(file, cmd):
    cmd   = removeSFOptions(cmd)
    copy  = []
    faves = getFavourites(file, validate=False)

    for fave in faves:
        if not equals(removeSFOptions(fave[2]), cmd):
            copy.append(fave)

    if len(copy) == len(faves):       
        return False

    writeFavourites(file, copy)
    return True


def _shiftUpIndex(index, max, faves):
    index -= 1
    if index < 0:
        index = max
    
    cmd = faves[index][2]
    if isValid(cmd):
        return index

    return _shiftUpIndex(index, max, faves)


def _shiftDownIndex(index, max, faves):
    index += 1
    if index > max:
        index = 0

    cmd = faves[index][2]
    if isValid(cmd):
        return index

    return _shiftDownIndex(index, max, faves)


def shiftFave(file, cmd, up):
    faves = getFavourites(file, validate=True)
    if len(faves) < 2:
        return

    faves = getFavourites(file, validate=False)

    fave, index, nFaves = findFave(file, cmd)

    max = nFaves - 1

    if up:
        index = _shiftUpIndex(index, max, faves)
    else:
        index = _shiftDownIndex(index, max, faves)

    removeFave(file, cmd)
    return insertFave(file, fave, index)


def renameFave(file, cmd, newName):
    copy = []
    faves = getFavourites(file, validate=False)
    for fave in faves:
        if equals(fave[2], cmd):
            fave[0] = newName

        copy.append(fave)

    writeFavourites(file, copy)
    return True


def equals(fave, cmd):
    fave = fave.strip()
    cmd  = cmd.strip()

    if fave == cmd:
        return True

    fave = removeSFOptions(fave)
    cmd  = removeSFOptions(cmd)


    if fave == cmd:
        return True

    if fave == cmd.replace('")', '/")'):
        return True

    if '[%SF%]' in fave:
        test = fave.split('[%SF%]', 1)
        if cmd.startswith(test[0])  and cmd.endswith(test[1]):
            return True

    if '[%SF+%]' in fave:
        test = fave.split('[%SF+%]', 1)
        if cmd.startswith(test[0])  and cmd.endswith(test[1]):
            return True

    return False


def addFanart(cmd, fanart):
    if len(fanart) < 1:
        return cmd

    return updateSFOption(cmd, 'fanart', utils.convertToHome(fanart))


def updateSFOption(cmd, option, value):
    options = getSFOptions(cmd)

    options[option] = value

    return updateSFOptions(cmd, options)

    
def updateSFOptions(cmd, options):
    cmd = removeSFOptions(cmd)

    if len(options) == 0:
        return cmd

    hasReturn = False
    if cmd.endswith(',return)'):
        hasReturn = True
        cmd = cmd.replace(',return', '')

    if cmd.endswith('")'):
        cmd = cmd.rsplit('")', 1)[0]

    suffix = '?'
    if '?' in cmd:   
        suffix = '&'

    values = ''
    for key in options.keys():
        value = str(options[key])
        if len(value) > 0:
            values += '%s=%s&' % (key, value)
        
    if len(values) > 0:
        cmd += suffix + 'sf_options=%s_options_sf"' % urllib.quote_plus(values)
    else:
        cmd += '"'

    if hasReturn:
        cmd += ',return)'
    else:
        cmd += ')'

    return cmd


def getSFOptions(cmd):
    try:    options = urllib.unquote_plus(re.compile('sf_options=(.+?)_options_sf').search(cmd).group(1))
    except: return {}

    params = get_params(options)

    return params


def removeSFOptions(cmd):
    if 'sf_options=' not in cmd:
        return cmd

    cmd = cmd.replace('?sf_options=', '&sf_options=')

    cmd = re.sub('&sf_options=(.+?)_options_sf"\)', '")',               cmd)
    cmd = re.sub('&sf_options=(.+?)_options_sf",return\)', '",return)', cmd)
    cmd = re.sub('&sf_options=(.+?)_options_sf',    '',                 cmd)

    #cmd = cmd.replace('/")', '")')

    return cmd


def getFanart(cmd):
    return getOption(cmd, 'fanart')


def getOption(cmd, option):
    options = getSFOptions(cmd)

    try:    return options[option]
    except: return ''


def fixCase(cmd):
    cmd = cmd.replace('activatewindow',       'ActivateWindow')
    cmd = cmd.replace('runscript',            'RunScript')
    cmd = cmd.replace('playmedia',            'playmedia')
    cmd = cmd.replace('startandroidactivity', 'StartAndroidActivity')
    cmd = cmd.replace('showpicture',          'ShowPicture')

    return cmd


def isKodiCommand(cmd):
    cmd = cmd.lower()
    commands = []
    commands.append('activatewindow')
    commands.append('runscript')
    commands.append('playmedia')
    commands.append('startandroidactivity')
    commands.append('showpicture')

    for command in commands:
        if cmd.startswith(command):
            utils.DialogOK("FLLY FORMED")
            return True

    return False


def get_params(path):
    params = {}
    #path   = path.split('?', 1)[-1]
    pairs  = path.split('&')

    for pair in pairs:
        split = pair.split('=')
        if len(split) > 1:
            #params[split[0]] = urllib.unquote_plus(split[1])
            params[split[0]] = split[1]

    return params



#used only during upgrade process
def _removeFanart(cmd):
    if 'sf_fanart=' not in cmd:
        return cmd

    cmd = cmd.replace('?sf_fanart=', '&sf_fanart=')
    cmd = cmd.replace('&sf_fanart=', '&sf_fanart=X') #in case no fanart

    cmd = re.sub('&sf_fanart=(.+?)_"\)', '")',               cmd)
    cmd = re.sub('&sf_fanart=(.+?)_",return\)', '",return)', cmd)
    cmd = re.sub('&sf_fanart=(.+?)_',    '',                 cmd)

    cmd = cmd.replace('/")', '")')

    return cmd


#used only during upgrade process
def _getFanart(cmd):
    cmd = cmd.replace(',return', '')
 
    try:    return urllib.unquote_plus(re.compile('sf_fanart=(.+?)_"\)').search(cmd).group(1))
    except: pass

    cmd = urllib.unquote_plus(cmd)
    cmd = cmd.replace(',return', '')

    try:    return urllib.unquote_plus(re.compile('sf_fanart=(.+?)_"\)').search(cmd).group(1))
    except: pass

    return ''       


#used only during upgrade process
def _removeWinID(cmd):
    if 'sf_win_id' not in cmd:
        return cmd

    cmd = cmd.replace('?sf_win_id=', '&sf_win_id=')
    cmd = cmd.replace('&sf_win_id=', '&sf_win_id=X') #in case no win_id
    cmd = re.sub('&sf_win_id=(.+?)_"\)', '")', cmd)

    return cmd


#used only during upgrade process
def _getWinID(cmd):
    if 'sf_win_id' not in cmd:
        return -1

    try:    return int(re.compile('sf_win_id=(.+?)_').search(cmd).group(1))
    except: pass

    return -1