"""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

import StringIO

import urllib

from datetime import datetime

from pygments.formatters import HtmlFormatter

from pygments import highlight as code_highlight

from pylons import url, request, config

from pylons.i18n.translation import _, ungettext

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.paginate import Page

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

    convert_boolean_attrs, NotGiven

from vcs.utils.annotate import annotate_highlight

from rhodecode.lib.utils import repo_name_slug

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

    """

    Reset button

    """

    _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]

class _GetError(object):

    """Get error from form_errors, and represent it as span wrapped error

    message

    :param field_name: field to fetch errors for

    :param form_errors: form errors dict

    """

    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()

class _ToolTip(object):

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

        """Special function just to wrap our text into nice formatted 

                            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):

        if isinstance(paths, str):

        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):

    """My code Html Formatter for source codes

    """

    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="L%s">%s</div>' % (cnt + 1, t)

            yield i, t

    def _wrap_tablelinenos(self, inner):

        dummyoutfile = StringIO.StringIO()

        lncount = 0

        for t, line in inner:

            if t:

                lncount += 1

            dummyoutfile.write(line)

        fl = self.linenostart

        mw = len(str(lncount + fl - 1))

        sp = self.linenospecial

        st = self.linenostep

        la = self.lineanchors

        aln = self.anchorlinenos

        nocls = self.noclasses

        if sp:

            lines = []

            for i in range(fl, fl + lncount):

                if i % st == 0:

            if self.page > self.last_page:

                self.page = self.last_page

            elif self.page < self.first_page:

                self.page = self.first_page

            # Note: the number of items on this page can be less than

            #       items_per_page if the last page is not full

            self.first_item = max(0, (self.item_count) - (self.page * items_per_page))

            self.last_item = ((self.item_count - 1) - items_per_page * (self.page - 1))

            iterator = self.collection.get_changesets(start=self.first_item,

                                                      end=self.last_item,

                                                      reverse=True,

                                                      branch_name=branch_name)

            self.items = list(iterator)

            # Links to previous and next page

            if self.page > self.first_page:

                self.previous_page = self.page - 1

            else:

                self.previous_page = None

            if self.page < self.last_page:

                self.next_page = self.page + 1

            else:

                self.next_page = None

        # No items available

        else:

            self.first_page = None

            self.page_count = 0

            self.last_page = None

            self.first_item = None

            self.last_item = None

            self.previous_page = None

            self.next_page = None

            self.items = []

        # This is a subclass of the 'list' type. Initialise the list now.

        list.__init__(self, self.items)

def changed_tooltip(nodes):

    if nodes:

        pref = ': <br/> '

        suf = ''

        if len(nodes) > 30:

            suf = '<br/>' + _(' and %s more') % (len(nodes) - 30)

    else:

        return ': ' + _('No Files')

def repo_link(groups_and_repos):

    groups, repo_name = groups_and_repos

    if not groups:

        return repo_name

    else:

        def make_link(group):

            return link_to(group.group_name, url('repos_group', id=group.group_id))

        return literal(' » '.join(map(make_link, groups)) + \

                       " » " + repo_name)

	                     <div class="gravatar">

	                         <img alt="gravatar" src="${h.gravatar_url(h.email(c.changeset.author),20)}"/>

	                     </div>

	                     <span>${h.person(c.changeset.author)}</span><br/>

	                     <span><a href="mailto:${h.email_or_none(c.changeset.author)}">${h.email_or_none(c.changeset.author)}</a></span><br/>

	                 </div>

	                 <div class="message">${h.link_to(h.wrap_paragraphs(c.changeset.message),h.url('changeset_home',repo_name=c.repo_name,revision=c.changeset.raw_id))}</div>

	             </div>

	             <div class="right">

		             <div class="changes">

                        % if len(c.changeset.affected_files) <= c.affected_files_cut_off:	             

		                 <span class="removed" title="${_('removed')}">${len(c.changeset.removed)}</span>

		                 <span class="changed" title="${_('changed')}">${len(c.changeset.changed)}</span>

		                 <span class="added" title="${_('added')}">${len(c.changeset.added)}</span>

	                    % else:

                         <span class="removed" title="${_('affected %s files') % len(c.changeset.affected_files)}">!</span>

                         <span class="changed" title="${_('affected %s files') % len(c.changeset.affected_files)}">!</span>

                         <span class="added"   title="${_('affected %s files') % len(c.changeset.affected_files)}">!</span>	                    

	                    % endif		                 

		             </div>                  

		                 %if len(c.changeset.parents)>1:

		                 <div class="merge">

		                     ${_('merge')}<img alt="merge" src="${h.url("/images/icons/arrow_join.png")}"/>

		                 </div>

		                 %endif

		            %if c.changeset.parents:

		             %for p_cs in reversed(c.changeset.parents):

		                 <div class="parent">${_('Parent')} ${p_cs.revision}: ${h.link_to(h.short_id(p_cs.raw_id),

		                     h.url('changeset_home',repo_name=c.repo_name,revision=p_cs.raw_id),title=p_cs.message)}

		                 </div>

		             %endfor

                    %else: 

                        <div class="parent">${_('No parents')}</div>   

                    %endif		             

		         <span class="logtags">

		             <span class="branchtag" title="${'%s %s' % (_('branch'),c.changeset.branch)}">

		             ${h.link_to(c.changeset.branch,h.url('files_home',repo_name=c.repo_name,revision=c.changeset.raw_id))}</span>

		             %for tag in c.changeset.tags:

		                 <span class="tagtag"  title="${'%s %s' % (_('tag'),tag)}">

		                 ${h.link_to(tag,h.url('files_home',repo_name=c.repo_name,revision=c.changeset.raw_id))}</span>

		             %endfor

		         </span>                                                                 

	                </div>              

	        </div>

	        <span style="font-size:1.1em;font-weight: bold">${_('Files affected (%s)' % len(c.changeset.affected_files))}</span>

	        <div class="cs_files">

	                %for change,filenode,diff,cs1,cs2 in c.changes:

	                %endfor

	                % if c.cut_off:

	                  ${_('Changeset was to big and was cut off...')}

	                % endif

	        </div>         

	    </div>

    </div>

	%for change,filenode,diff,cs1,cs2 in c.changes:

		%if change !='removed':

		<div style="clear:both;height:10px"></div>

		<div class="diffblock">

				<div class="changeset_header">

					<span class="changeset_file">

					</span>

					%if 1:

					&raquo; <span>${h.link_to(_('diff'),

					&raquo; <span>${h.link_to(_('raw diff'),

					&raquo; <span>${h.link_to(_('download diff'),

					%endif

				</div>

			</div>

			<div class="code-body">        

					%if diff:

						${diff|n}

					%else:

						${_('No changes in this file')}

					%endif

			</div>

		</div>

		%endif

	%endfor 

    </div>	

</%def>

    »

    ${h.link_to(c.repo_name,h.url('summary_home',repo_name=c.repo_name))}

    »

    ${_('Changesets')} - r${c.cs_ranges[0].revision}:${h.short_id(c.cs_ranges[0].raw_id)} -> r${c.cs_ranges[-1].revision}:${h.short_id(c.cs_ranges[-1].raw_id)}

</%def>

<%def name="page_nav()">

    ${self.menu('changelog')}     

</%def>

<%def name="main()">

<div class="box">

    <!-- box / title -->

    <div class="title">

        ${self.breadcrumbs()}

    </div>

    <div class="table">

		<div id="body" class="diffblock">

			<div class="code-header">

				<div>

				${_('Changesets')} - r${c.cs_ranges[0].revision}:${h.short_id(c.cs_ranges[0].raw_id)} -> r${c.cs_ranges[-1].revision}:${h.short_id(c.cs_ranges[-1].raw_id)}

				<h3>${_('Compare View')}</h3>

				 ##&raquo; <span>${h.link_to(_('raw diff'),

				##h.url('raw_changeset_home',repo_name=c.repo_name,revision=c.changeset.raw_id,diff='show'))}</span>

				 ##&raquo; <span>${h.link_to(_('download diff'),

				##h.url('raw_changeset_home',repo_name=c.repo_name,revision=c.changeset.raw_id,diff='download'))}</span>

				</div>

			</div>

		</div>

	    <div id="changeset_compare_view_content">

			<div class="container">

			<table class="compare_view_commits">

            %for cs in c.cs_ranges:

                <tr>

                <td><div class="gravatar"><img alt="gravatar" src="${h.gravatar_url(h.email(cs.author),14)}"/></div></td>

                <td>${h.link_to('r%s:%s' % (cs.revision,h.short_id(cs.raw_id)),h.url('changeset_home',repo_name=c.repo_name,revision=cs.raw_id))}</td>

                <td><div class="author">${h.person(cs.author)}</div></td>

                <td><span class="tooltip" title="${h.age(cs.date)}">${cs.date}</span></td>

                <td><div class="message">${h.link_to(h.wrap_paragraphs(cs.message),h.url('changeset_home',repo_name=c.repo_name,revision=cs.raw_id))}</div></td>

                </tr>

            %endfor

            </table>

	        </div>

	        <div style="font-size:1.1em;font-weight: bold;clear:both;padding-top:10px">${_('Files affected')}</div>

	        <div class="cs_files">

	               %for cs in c.cs_ranges:

	                   <div class="cur_cs">r${cs}</div>

	                %for change,filenode,diff,cs1,cs2 in c.changes[cs.raw_id]:

	                %endfor

	               %endfor 

	        </div>         

	    </div>

    </div>

   %for cs in c.cs_ranges:    	

	%for change,filenode,diff,cs1,cs2 in c.changes[cs.raw_id]:

		%if change !='removed':

		<div style="clear:both;height:10px"></div>

		<div class="diffblock">

				<div class="changeset_header">

					<span class="changeset_file">

					</span>

					%if 1:

					&raquo; <span>${h.link_to(_('diff'),

					&raquo; <span>${h.link_to(_('raw diff'),

					&raquo; <span>${h.link_to(_('download diff'),

					%endif

				</div>

			</div>

			<div class="code-body">        

					%if diff:

						${diff|n}

					%else:

						${_('No changes in this file')}

					%endif

			</div>

		</div>

		%endif

	%endfor

   %endfor  

    </div>

</%def>

	    <div class="browser-branch">

	       ${h.checkbox('stay_at_branch',c.changeset.branch,c.changeset.branch==c.branch)}

	       <label>${_('follow current branch')}</label>

	       <script type="text/javascript">

	        YUE.on('stay_at_branch','click',function(e){

	        	if(e.target.checked){

	        		var uri = "${h.url.current(branch='__BRANCH__')}"

	        		uri = uri.replace('__BRANCH__',e.target.value);

	        		window.location = uri;

	        	}

	        	else{

	        		window.location = "${h.url.current()}";

	        	}

	        })

	       </script>

	    </div>

    </div>

	<div class="browser-body">

		<table class="code-browser">

		         <thead>

		             <tr>

		                 <th>${_('Name')}</th>

		                 <th>${_('Size')}</th>

		                 <th>${_('Mimetype')}</th>

		                 <th>${_('Revision')}</th>

		                 <th>${_('Last modified')}</th>

		                 <th>${_('Last commiter')}</th>

		             </tr>

		         </thead>

          		%if c.files_list.parent:

         		<tr class="parity0">

	          		<td>		          		

	          			${h.link_to('..',h.url('files_home',repo_name=c.repo_name,revision=c.changeset.raw_id,f_path=c.files_list.parent.path),class_="browser-dir")}

	          		</td>

	          		<td></td>

	          		<td></td>

	          		<td></td>

	          		<td></td>

	          		<td></td>

				</tr>

          		%endif

		    %for cnt,node in enumerate(c.files_list):

				<tr class="parity${cnt%2}">

		             <td>

		             </td>

		             <td>

		             %if node.is_file():

		             	${h.format_byte_size(node.size,binary=True)}

		             %endif	

		             </td>

		             <td>

		              %if node.is_file():

		                  ${node.mimetype}

		              %endif

		             </td>

		             <td>

		             	%if node.is_file():

		             		<span class="tooltip" title="${node.last_changeset.raw_id}">

		             		${'r%s:%s' % (node.last_changeset.revision,node.last_changeset.short_id)}</span>

		             	%endif

		             </td>

		             <td>

		             	%if node.is_file():

		             		<span class="tooltip" title="${node.last_changeset.date}">

                            ${h.age(node.last_changeset.date)}</span>

		             	%endif

		             </td>

		             <td>

		             	%if node.is_file():

		             		${node.last_changeset.author}

		             	%endif                    

		             </td>

				</tr>

			%endfor

		</table>

	</div>

</div>