"""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.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

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

#Custom helper 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

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))

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))

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 = g.changeset_annotation_colors

    def gen_color():

        import random

        return [str(random.randrange(10, 235)) for _ in xrange(3)]

    def get_color_string(cs):

        if color_dict.has_key(cs):

            col = color_dict[cs]

        else:

            color_dict[cs] = gen_color()

            col = color_dict[cs]

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

    def url_func(changeset):

        url('changeset_home', repo_name='test', revision=changeset.raw_id),

        style=get_color_string(changeset.raw_id)))

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

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)  

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

files_breadcrumbs = _FilesBreadCrumbs()

link = _Link()

flash = _Flash()

get_error = _GetError()

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

<%def name="title()">

    ${_('Repository managment')}

</%def>

<%def name="breadcrumbs()">

    ${h.link_to(u'Home',h.url('/'))}

    / 

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

    /

    ${_('files')}

</%def>

<%def name="page_nav()">

    ${self.menu('files')}     

</%def>

<%def name="css()">

<link rel="stylesheet" href="/css/monoblue_custom.css" type="text/css" />

<link rel="stylesheet" href="/css/pygments.css" type="text/css" />

</%def>

<%def name="main()">

    <h2 class="no-link no-border">${_('Files')}</h2>

	<div id="files_data">

	%if c.files_list:

		<h2>${_('Location')}: ${h.files_breadcrumbs(c.repo_name,c.cur_rev,c.files_list.path)}</h2>

			%if c.files_list.is_dir():

				<%include file='files_browser.html'/>

			%else:

				<%include file='files_source.html'/>			

			%endif	

	%else:

	%endif

	</div>

</%def>    

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

<%def name="title()">

    ${_('File annotate')}

</%def>

<%def name="breadcrumbs()">

    ${h.link_to(u'Home',h.url('/'))}

    / 

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

    /

    ${_('files')}

</%def>

<%def name="page_nav()">

		${self.menu('files')}     

</%def>

<%def name="css()">

	<link rel="stylesheet" href="/css/monoblue_custom.css" type="text/css" />

	<link rel="stylesheet" href="/css/pygments.css" type="text/css" />

</%def>

<%def name="main()">

    <h2 class="no-link no-border">${_('Annotate')}</h2>

	<div id="files_data">

		<h2>${_('Location')}: ${h.files_breadcrumbs(c.repo_name,c.cur_rev,c.file.path)}</h2>

		<dl class="overview">

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

			<dd>r${c.file.last_changeset.revision}:${c.file.last_changeset._short}</dd>

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

			<dd>${h.format_byte_size(c.file.size,binary=True)}</dd>

			<dt>${_('Options')}</dt>

		</dl>

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

			<div class="code-header">

				<div class="revision">${c.file.name}@r${c.file.last_changeset.revision}:${c.file.last_changeset._short}</div>

				<div class="commit" style="font-size:70%">"${c.file_msg}"</div>

			</div>

			<div class="code-body">

				${h.pygmentize_annotation(c.file,linenos=True,anchorlinenos=True,lineanchors='S',cssclass="code-highlight")}

			</div>

		</div>

	</div>

</%def> 

<dl class="overview">

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

	<dd>r${c.files_list.last_changeset.revision}:${c.files_list.last_changeset._short}</dd>

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

	<dd>${h.format_byte_size(c.files_list.size,binary=True)}</dd>

	<dt>${_('Options')}</dt>

	<dt>${_('History')}</dt>

	<dd>

		${h.form(h.url('files_diff_home',repo_name=c.repo_name,f_path=c.f_path),method='GET')}

		${h.hidden('diff2',c.files_list.last_changeset._short)}

		${h.select('diff1','',c.file_history)}

		${h.submit('diff','diff')}

		${h.end_form()}

	</dd>

</dl>		

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

	<div class="code-header">

		<div class="revision">${c.files_list.name}@r${c.files_list.last_changeset.revision}:${c.files_list.last_changeset._short}</div>

		<div class="commit" style="font-size:70%">"${c.files_list.last_changeset.message}"</div>

	</div>

	<div class="code-body">

		${h.pygmentize(c.files_list,linenos=True,anchorlinenos=True,lineanchors='S',cssclass="code-highlight")}

	</div>

</div>