"""Helper functions

Consists of functions to typically be used within templates, but also

available to Controllers. This module is available to both as 'h'.

"""

from pygments.formatters import HtmlFormatter

from pygments import highlight as code_highlight

from pylons import url, app_globals as g

from pylons.i18n.translation import _, ungettext

from vcs.utils.annotate import annotate_highlight

from webhelpers.html import literal, HTML, escape

from webhelpers.html.tools import *

from webhelpers.html.builder import make_tag

from webhelpers.html.tags import auto_discovery_link, checkbox, css_classes, \

    end_form, file, form, hidden, image, javascript_link, link_to, link_to_if, \

    link_to_unless, ol, required_legend, select, stylesheet_link, submit, text, \

    password, textarea, title, ul, xml_declaration, radio

from webhelpers.html.tools import auto_link, button_to, highlight, js_obfuscate, \

    mail_to, strip_links, strip_tags, tag_re

from webhelpers.number import format_byte_size, format_bit_size

from webhelpers.pylonslib import Flash as _Flash

from webhelpers.pylonslib.secure_form import secure_form

from webhelpers.text import chop_at, collapse, convert_accented_entities, \

    convert_misc_entities, lchop, plural, rchop, remove_formatting, \

    replace_whitespace, urlify, truncate, wrap_paragraphs

#Custom helpers here :)

class _Link(object):

    '''

    Make a url based on label and url with help of url_for

    @param label:name of link    if not defined url is used

    @param url: the url for link

    '''

    def __call__(self, label='', *url_, **urlargs):

        if label is None or '':

            label = url

        link_fn = link_to(label, url(*url_, **urlargs))

        return link_fn

link = _Link()

class _GetError(object):

    def __call__(self, field_name, form_errors):

        tmpl = """<span class="error_msg">%s</span>"""

        if form_errors and form_errors.has_key(field_name):

            return literal(tmpl % form_errors.get(field_name))

get_error = _GetError()

def recursive_replace(str, replace=' '):

    """

    Recursive replace of given sign to just one instance

    @param str: given string

    @param replace:char to find and replace multiple instances

    Examples::

    >>> recursive_replace("Mighty---Mighty-Bo--sstones",'-')

    'Mighty-Mighty-Bo-sstones'

    """

    if str.find(replace * 2) == -1:

        return str

    else:

        str = str.replace(replace * 2, replace)

        return recursive_replace(str, replace)  

class _ToolTip(object):

    def __call__(self, tooltip_title, trim_at=50):

        """

        Special function just to wrap our text into nice formatted autowrapped

        text

        @param tooltip_title:

        """

        return literal(wrap_paragraphs(tooltip_title, trim_at)\

                       .replace('\n', '<br/>')) 

    def activate(self):

        """

        Adds tooltip mechanism to the given Html all tooltips have to have 

        set class tooltip and set attribute tooltip_title.

        Then a tooltip will be generated based on that

        All with yui js tooltip

        """

        js = '''

        YAHOO.util.Event.onDOMReady(function(){

            function toolTipsId(){

                var ids = [];

                var tts = YAHOO.util.Dom.getElementsByClassName('tooltip');

                for (var i = 0; i < tts.length; i++) {

                    //if element doesn not have and id autgenerate one for tooltip

                    if (!tts[i].id){

                        tts[i].id='tt'+i*100;

                    }

                    ids.push(tts[i].id);

                }

                return ids        

            };

            var myToolTips = new YAHOO.widget.Tooltip("tooltip", { 

                context: toolTipsId(),

                monitorresize:false,

                xyoffset :[0,0],

                autodismissdelay:300000,

                hidedelay:5,

                showdelay:20,

            });

            //Mouse Over event disabled for new repositories since they dont

            //have last commit message

            myToolTips.contextMouseOverEvent.subscribe(

                function(type, args) {

                    var context = args[0];

                    var txt = context.getAttribute('tooltip_title');

                    if(txt){                                       

                        return true;

                    }

                    else{

                        return false;

                    }

                });

            // Set the text for the tooltip just before we display it. Lazy method

            myToolTips.contextTriggerEvent.subscribe( 

                 function(type, args) { 

                        var context = args[0]; 

                        var txt = context.getAttribute('tooltip_title');

                        this.cfg.setProperty("text", txt);

                        // positioning of tooltip

                        var tt_w = this.element.clientWidth;

                        var tt_h = this.element.clientHeight;

                        var context_w = context.offsetWidth;

                        var context_h = context.offsetHeight;

                        var pos_x = YAHOO.util.Dom.getX(context);

                        var pos_y = YAHOO.util.Dom.getY(context);

                        var display_strategy = 'top';

                        var xy_pos = [0,0];

                        switch (display_strategy){

                            case 'top':

                                var cur_x = (pos_x+context_w/2)-(tt_w/2);

                                var cur_y = pos_y-tt_h-4;

                                xy_pos = [cur_x,cur_y];                                

                                break;

                            case 'bottom':

                                var cur_x = (pos_x+context_w/2)-(tt_w/2);

                                var cur_y = pos_y+context_h+4;

                                xy_pos = [cur_x,cur_y];                                

                                break;

                            case 'left':

                                var cur_x = (pos_x-tt_w-4);

                                var cur_y = pos_y-((tt_h/2)-context_h/2);

                                xy_pos = [cur_x,cur_y];                                

                                break;

                            case 'right':

                                var cur_x = (pos_x+context_w+4);

                                var cur_y = pos_y-((tt_h/2)-context_h/2);

                                xy_pos = [cur_x,cur_y];                                

                                break;

                             default:

                                var cur_x = (pos_x+context_w/2)-(tt_w/2);

                                var cur_y = pos_y-tt_h-4;

                                xy_pos = [cur_x,cur_y];                                

                                break;                             

                        }

                        this.cfg.setProperty("xy",xy_pos);

                  });

            //Mouse out 

            myToolTips.contextMouseOutEvent.subscribe(

                function(type, args) {

                    var context = args[0];

                });

        });

        '''         

        return literal(js)

tooltip = _ToolTip()

class _FilesBreadCrumbs(object):

    def __call__(self, repo_name, rev, paths):

        url_l = [link_to(repo_name, url('files_home',

                                        repo_name=repo_name,

                                        revision=rev, f_path=''))]

        paths_l = paths.split('/')

        for cnt, p in enumerate(paths_l, 1):

            if p != '':

                url_l.append(link_to(p, url('files_home',

                                            repo_name=repo_name,

                                            revision=rev,

                                            f_path='/'.join(paths_l[:cnt]))))

        return literal(' / '.join(url_l))

files_breadcrumbs = _FilesBreadCrumbs()

def pygmentize(filenode, **kwargs):

    """

    pygmentize function using pygments

    @param filenode:

    """

    return literal(code_highlight(filenode.content, 

                                  filenode.lexer, HtmlFormatter(**kwargs)))

def pygmentize_annotation(filenode, **kwargs):

    """

    pygmentize function for annotation

    @param filenode:

    """

    color_dict = {}

    def gen_color():

        """generator for getting 10k of evenly distibuted colors using hsv color

        and golden ratio.

        """        

        import colorsys

        n = 10000

        golden_ratio = 0.618033988749895

        h = 0.22717784590367374

        #generate 10k nice web friendly colors in the same order

        for c in xrange(n):

            h +=golden_ratio

            h %= 1

            HSV_tuple = [h, 0.95, 0.95]

            RGB_tuple = colorsys.hsv_to_rgb(*HSV_tuple)

            yield map(lambda x:str(int(x*256)),RGB_tuple)           

    cgenerator = gen_color()

    def get_color_string(cs):

        if color_dict.has_key(cs):

            col = color_dict[cs]

        else:

            col = color_dict[cs] = cgenerator.next()

        return "color: rgb(%s)! important;" % (', '.join(col))

    def url_func(changeset):

        tooltip_html = "<div style='font-size:0.8em'><b>Author:</b>"+\

        " %s<br/><b>Date:</b> %s</b><br/><b>Message:</b> %s<br/></div>" 

        tooltip_html = tooltip_html % (changeset.author,

                                               changeset.date,

                                               tooltip(changeset.message))

        lnk_format = 'r%-5s:%s' % (changeset.revision,

                                 changeset.raw_id)

        uri = link_to(

                lnk_format,

                url('changeset_home', repo_name=changeset.repository.name,

                    revision=changeset.raw_id),

                style=get_color_string(changeset.raw_id),

                class_='tooltip',

                tooltip_title=tooltip_html

              )

        uri += '\n'

        return uri   

    return literal(annotate_highlight(filenode, url_func, **kwargs))

def repo_name_slug(value):

    """

    Return slug of name of repository

    """

    slug = urlify(value)

    for c in """=[]\;'"<>,/~!@#$%^&*()+{}|:""":

        slug = slug.replace(c, '-')

    slug = recursive_replace(slug, '-')

    return slug

flash = _Flash()

#===============================================================================

# MERCURIAL FILTERS available via h.

#===============================================================================

from mercurial import util

from mercurial.templatefilters import age as _age, person as _person

age = lambda  x:_age(x)

capitalize = lambda x: x.capitalize()

date = lambda x: util.datestr(x)

email = util.email

email_or_none = lambda x: util.email(x) if util.email(x) != x else None

person = lambda x: _person(x)

hgdate = lambda  x: "%d %d" % x

isodate = lambda  x: util.datestr(x, '%Y-%m-%d %H:%M %1%2')

isodatesec = lambda  x: util.datestr(x, '%Y-%m-%d %H:%M:%S %1%2')

localdate = lambda  x: (x[0], util.makedate()[1])

rfc822date = lambda  x: util.datestr(x, "%a, %d %b %Y %H:%M:%S %1%2")

rfc3339date = lambda  x: util.datestr(x, "%Y-%m-%dT%H:%M:%S%1:%2")

time_ago = lambda x: util.datestr(_age(x), "%a, %d %b %Y %H:%M:%S %1%2")

#===============================================================================

# PERMS

#===============================================================================

from pylons_app.lib.auth import HasPermissionAny, HasPermissionAll, \

HasRepoPermissionAny, HasRepoPermissionAll

#===============================================================================

# GRAVATAR URL

#===============================================================================

import hashlib

import urllib

from pylons import request

def gravatar_url(email_address, size=30):

    ssl_enabled = 'https' == request.environ.get('HTTP_X_URL_SCHEME')

    default = 'identicon'

    baseurl_nossl = "http://www.gravatar.com/avatar/"

    baseurl_ssl = "https://secure.gravatar.com/avatar/"

    baseurl = baseurl_ssl if ssl_enabled else baseurl_nossl

    # construct the url

    gravatar_url = baseurl + hashlib.md5(email_address.lower()).hexdigest() + "?"

    gravatar_url += urllib.urlencode({'d':default, 's':str(size)})

    return gravatar_url

#!/usr/bin/env python

# encoding: utf-8

# whoosh indexer daemon for hg-app

# Copyright (C) 2009-2010 Marcin Kuzminski <marcin@python-works.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; version 2

# of the License or (at your opinion) any later version of the license.

# 

# 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 this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

# MA  02110-1301, USA.

"""

Created on Jan 26, 2010

@author: marcink

A deamon will read from task table and run tasks

"""

import sys

import os

from os.path import dirname as dn

from os.path import join as jn

#to get the pylons_app import

project_path = dn(dn(dn(dn(os.path.realpath(__file__)))))

sys.path.append(project_path)

from pidlock import LockHeld, DaemonLock

import traceback

from pylons_app.config.environment import load_environment

from pylons_app.model.hg_model import HgModel

from whoosh.index import create_in, open_dir

from shutil import rmtree

from pylons_app.lib.indexers import ANALYZER, INDEX_EXTENSIONS, IDX_LOCATION, \

SCHEMA, IDX_NAME

import logging

import logging.config

logging.config.fileConfig(jn(project_path, 'development.ini'))

log = logging.getLogger('whooshIndexer')

def scan_paths(root_location):

    return HgModel.repo_scan('/', root_location, None, True)

class WhooshIndexingDaemon(object):

    """Deamon for atomic jobs"""

    def __init__(self, indexname='HG_INDEX', repo_location=None):

        self.indexname = indexname

        self.repo_location = repo_location

    def get_paths(self, root_dir):

        """recursive walk in root dir and return a set of all path in that dir

        excluding files in .hg dir"""

        index_paths_ = set()

        for path, dirs, files in os.walk(root_dir):

            if path.find('.hg') == -1:

                for f in files:

                    index_paths_.add(jn(path, f))

        return index_paths_

    def add_doc(self, writer, path, repo):

        """Adding doc to writer"""

        ext = unicode(path.split('/')[-1].split('.')[-1].lower())

        #we just index the content of choosen files

        if ext in INDEX_EXTENSIONS:

            log.debug('    >> %s [WITH CONTENT]' % path)

            fobj = open(path, 'rb')

            content = fobj.read()

            fobj.close()

        else:

            log.debug('    >> %s' % path)

            #just index file name without it's content

            u_content = u''

        try:

            os.stat(path)

            writer.add_document(owner=unicode(repo.contact),

                            repository=u"%s" % repo.name,

                            path=u"%s" % path,

                            content=u_content,

                            modtime=os.path.getmtime(path),

                            extension=ext)             

        except OSError, e:

            import errno

            if e.errno == errno.ENOENT:

                log.debug('path %s does not exist or is a broken symlink' % path)

            else:

                raise e                 

    def build_index(self):

        if os.path.exists(IDX_LOCATION):

            log.debug('removing previos index')

            rmtree(IDX_LOCATION)

        if not os.path.exists(IDX_LOCATION):

            os.mkdir(IDX_LOCATION)

        idx = create_in(IDX_LOCATION, SCHEMA, indexname=IDX_NAME)

        writer = idx.writer()

        for cnt, repo in enumerate(scan_paths(self.repo_location).values()):

            log.debug('building index @ %s' % repo.path)

            for idx_path in self.get_paths(repo.path):

                self.add_doc(writer, idx_path, repo)

        writer.commit(merge=True)

        log.debug('>>> FINISHED BUILDING INDEX <<<')

    def update_index(self):

        log.debug('STARTING INCREMENTAL INDEXING UPDATE')

        idx = open_dir(IDX_LOCATION, indexname=self.indexname)

        # The set of all paths in the index

        indexed_paths = set()

        # The set of all paths we need to re-index

        to_index = set()

        reader = idx.reader()

        writer = idx.writer()

        # Loop over the stored fields in the index

        for fields in reader.all_stored_fields():

            indexed_path = fields['path']

            indexed_paths.add(indexed_path)

            if not os.path.exists(indexed_path):

                # This file was deleted since it was indexed

                log.debug('removing from index %s' % indexed_path)

                writer.delete_by_term('path', indexed_path)

            else:

                # Check if this file was changed since it

                # was indexed

                indexed_time = fields['modtime']

                mtime = os.path.getmtime(indexed_path)

                if mtime > indexed_time:

                    # The file has changed, delete it and add it to the list of

                    # files to reindex

                    log.debug('adding to reindex list %s' % indexed_path)

                    writer.delete_by_term('path', indexed_path)

                    to_index.add(indexed_path)

                    #writer.commit()

        # Loop over the files in the filesystem

        # Assume we have a function that gathers the filenames of the

        # documents to be indexed

        for repo in scan_paths(self.repo_location).values():

            for path in self.get_paths(repo.path):

                if path in to_index or path not in indexed_paths:

                    # This is either a file that's changed, or a new file

                    # that wasn't indexed before. So index it!

                    self.add_doc(writer, path, repo)

                    log.debug('reindexing %s' % path)

        writer.commit(merge=True)

        #idx.optimize()

        log.debug('>>> FINISHED <<<')

    def run(self, full_index=False):

        """Run daemon"""

        if full_index:

            self.build_index()

        else:

            self.update_index()

if __name__ == "__main__":

    repo_location = '/home/marcink/hg_repos/*'

    full_index = True # False means looking just for changes

    try:

        l = DaemonLock()

        WhooshIndexingDaemon(repo_location=repo_location)\

            .run(full_index=full_index)

        l.release()

    except LockHeld:

        sys.exit(1)