"""Helper functions

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

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

"""

import random

import hashlib

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

from webhelpers.date import time_ago_in_words

from webhelpers.html.tags import _set_input_attrs, _set_id_attr, \

    convert_boolean_attrs, NotGiven

def _reset(name, value=None, id=NotGiven, type="reset", **attrs):

    _set_input_attrs(attrs, type, name, value)

    _set_id_attr(attrs, id, name)

    convert_boolean_attrs(attrs, ["disabled"])

    return HTML.input(**attrs)

reset = _reset

def get_token():

    """Return the current authentication token, creating one if one doesn't

    already exist.

    """

    token_key = "_authentication_token"

    from pylons import session

    if not token_key in session:

        try:

            token = hashlib.sha1(str(random.getrandbits(128))).hexdigest()

        except AttributeError: # Python < 2.4

            token = hashlib.sha1(str(random.randrange(2 ** 128))).hexdigest()

        session[token_key] = token

        if hasattr(session, 'save'):

            session.save()

    return session[token_key]

#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 wrap_paragraphs(escape(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't 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 don't

            //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):

            if p != '':

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

                                            repo_name=repo_name,

                                            revision=rev,

                                            f_path='/'.join(paths_l[:cnt + 1]))))

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

files_breadcrumbs = _FilesBreadCrumbs()

class CodeHtmlFormatter(HtmlFormatter):

    def wrap(self, source, outfile):

        return self._wrap_div(self._wrap_pre(self._wrap_code(source)))

    def _wrap_code(self, source):

        for cnt, it in enumerate(source):

            i, t = it

            t = '<div id="#S-%s">%s</div>' % (cnt + 1, t)

            yield i, t

def pygmentize(filenode, **kwargs):

    """

    pygmentize function using pygments

    :param filenode:

    """

    return literal(code_highlight(filenode.content,

                                  filenode.lexer, CodeHtmlFormatter(**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 = '%5s:%s' % ('r%s' % changeset.revision,

                                 short_id(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

    This function is called on each creation/modification

    of repository to prevent bad names in repo

    """

    slug = remove_formatting(value)

    slug = strip_tags(slug)

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

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

    slug = recursive_replace(slug, '-')

    slug = collapse(slug, '-')

    return slug

def get_changeset_safe(repo, rev):

    from vcs.backends.base import BaseRepository

    from vcs.exceptions import RepositoryError

    if not isinstance(repo, BaseRepository):

        raise Exception('You must pass an Repository '

                        'object as first argument got %s', type(repo))

    try:

        cs = repo.get_changeset(rev)

    except RepositoryError:

        from rhodecode.lib.utils import EmptyChangeset

        cs = EmptyChangeset()

    return cs

flash = _Flash()

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

# MERCURIAL FILTERS available via h.

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

from mercurial import util

from mercurial.templatefilters import person as _person

def _age(curdate):

    """turns a datetime into an age string."""

    if not curdate:

        return ''

    from datetime import timedelta, datetime

    agescales = [("year", 3600 * 24 * 365),

                 ("month", 3600 * 24 * 30),

                 ("day", 3600 * 24),

                 ("hour", 3600),

                 ("minute", 60),

                 ("second", 1), ]

    age = datetime.now() - curdate

    age_seconds = (age.days * agescales[2][1]) + age.seconds

    pos = 1

    for scale in agescales:

        if scale[1] <= age_seconds:

            if pos == 6:pos = 5

            return time_ago_in_words(curdate, agescales[pos][0]) + ' ' + _('ago')

        pos += 1

    return _('just now')

age = lambda  x:_age(x)

capitalize = lambda x: x.capitalize()

email = util.email

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

person = lambda x: _person(x)

short_id = lambda x: x[:12]

def bool2icon(value):

    """

    Returns True/False values represented as small html image of true/false

    icons

    :param value: bool value

    """

    if value is True:

        return HTML.tag('img', src="/images/icons/accept.png", alt=_('True'))

    if value is False:

        return HTML.tag('img', src="/images/icons/cancel.png", alt=_('False'))

    return value

def action_parser(user_log):

    """

    This helper will map the specified string action into translated

    fancy names with icons and links

    @param action:

    """

    action = user_log.action

    action_params = None

    x = action.split(':')

    if len(x) > 1:

        action, action_params = x

    def get_cs_links():

        if action == 'push':

            revs_limit = 5

            revs = action_params.split(',')

            cs_links = " " + ', '.join ([link(rev,

                    url('changeset_home',

                    repo_name=user_log.repository.repo_name,

                    revision=rev)) for rev in revs[:revs_limit] ])

            if len(revs) > revs_limit:

                html_tmpl = '<span title="%s"> %s </span>'

                cs_links += html_tmpl % (', '.join(r for r in revs[revs_limit:]),

                                         _('and %s more revisions') \

                                            % (len(revs) - revs_limit))

            return literal(cs_links)

        return ''

    def get_fork_name():

        if action == 'user_forked_repo':

            from rhodecode.model.scm import ScmModel

            repo_name = action_params

            repo = ScmModel().get(repo_name)

            if repo is None:

                return repo_name

            return link_to(action_params, url('summary_home',

                                              repo_name=repo.name,),

                                              title=repo.dbrepo.description)

        return ''

           'push':_('Pushed') + get_cs_links(),

           'pull':_('Pulled'),

            }

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

# PERMS

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

from rhodecode.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

def safe_unicode(str):

    """safe unicode function. In case of UnicodeDecode error we try to return

    unicode with errors replace, if this failes we return unicode with 

    string_escape decoding """

    try:

        u_str = unicode(str)

    except UnicodeDecodeError:

        try:

            u_str = unicode(str, 'utf-8', 'replace')

        except UnicodeDecodeError:

            #incase we have a decode error just represent as byte string

            u_str = unicode(str(str).encode('string_escape'))

    return u_str

## -*- coding: utf-8 -*-

<%inherit file="base/base.html"/>

<%def name="title()">

    ${_('Journal')} - ${c.rhodecode_name}

</%def>

<%def name="breadcrumbs()">

	${c.rhodecode_name}

</%def>

<%def name="page_nav()">

	${self.menu('home')}

</%def>

<%def name="main()">

    <div class="box box-left">

	    <!-- box / title -->

	    <div class="title">

	        <h5>${_('Journal')}</h5>

	    </div>

	    <div>

	    %if c.journal:

            %for entry in c.journal:

            <div style="padding:10px">

                <div class="gravatar">

                    <img alt="gravatar" src="${h.gravatar_url(entry.user.email)}"/>

                </div>

                <div>${entry.user.name} ${entry.user.lastname}</div>

                <b>

		        %if entry.repository:

		          ${h.link_to(entry.repository.repo_name,

		                      h.url('summary_home',repo_name=entry.repository.repo_name))}

		        %else:

		          ${entry.repository_name}

		        %endif             

                </b> - <span title="${entry.action_date}">${h.age(entry.action_date)}</span>

                </div>

            </div>

            <div style="clear:both;border-bottom:1px dashed #DDD;padding:3px 3px;margin:0px 10px 0px 10px"></div>

            %endfor

        %else:

            ${_('No entries yet')}

        %endif   

	    </div>

    </div>

    <div class="box box-right">

        <!-- box / title -->

        <div class="title">

            <h5>${_('Following')}</h5>

        </div>

        <div>

        %if c.following:

            %for entry in c.following:

                <div class="currently_following">

                    %if entry.follows_user_id:

                      <img title="${_('following user')}" alt="${_('user')}" src="/images/icons/user.png"/>

                      ${entry.follows_user.full_contact}

                    %endif

                    %if entry.follows_repo_id:

                      %if entry.follows_repository.private:

                        <img class="icon" title="${_('private repository')}" alt="${_('private repository')}" src="/images/icons/lock.png"/>

                      %else:

                        <img class="icon" title="${_('public repository')}" alt="${_('public repository')}" src="/images/icons/lock_open.png"/>

                      %endif

                      ${h.link_to(entry.follows_repository.repo_name,h.url('summary_home',

                        repo_name=entry.follows_repository.repo_name))}

                    %endif

                </div>

            %endfor

        %else:

            ${_('You are not following any users or repositories')}

        %endif               

        </div>

    </div>

</%def>