from rhodecode.lib.diffs import wrapped_diff

log = logging.getLogger(__name__)

def anchor_url(revision, path):

    fid = h.FID(revision, path)

    return h.url.current(anchor=fid, **request.GET)

def get_ignore_ws(fid, GET):

    ig_ws_global = request.GET.get('ignorews')

    ig_ws = filter(lambda k: k.startswith('WS'), GET.getall(fid))

    if ig_ws:

        try:

            return int(ig_ws[0].split(':')[-1])

        except:

            pass

    return ig_ws_global

def _ignorews_url(fileid=None):

    params = defaultdict(list)

    lbl = _('show white space')

    ig_ws = get_ignore_ws(fileid, request.GET)

    ln_ctx = get_line_ctx(fileid, request.GET)

    # global option

    if fileid is None:

        if ig_ws is None:

            params['ignorews'] += [1]

            lbl = _('ignore white space')

        ctx_key = 'context'

        ctx_val = ln_ctx

    # per file options

    else:

        if ig_ws is None:

            params[fileid] += ['WS:1']

            lbl = _('ignore white space')

        ctx_key = fileid

        ctx_val = 'C:%s' % ln_ctx

    # if we have passed in ln_ctx pass it along to our params

    if ln_ctx:

        params[ctx_key] += [ctx_val]

    params['anchor'] = fileid

    img = h.image('/images/icons/text_strikethrough.png', lbl, class_='icon')

def get_line_ctx(fid, GET):

    ln_ctx_global = request.GET.get('context')

    ln_ctx = filter(lambda k: k.startswith('C'), GET.getall(fid))

    if ln_ctx:

        retval = ln_ctx[0].split(':')[-1]

    else:

        retval = ln_ctx_global

    try:

        return int(retval)

    except:

        return

def _context_url(fileid=None):

    """

    Generates url for context lines

    :param fileid:

    """

    ig_ws = get_ignore_ws(fileid, request.GET)

    ln_ctx = (get_line_ctx(fileid, request.GET) or 3) * 2

    params = defaultdict(list)

    # global option

    if fileid is None:

        if ln_ctx > 0:

            params['context'] += [ln_ctx]

        if ig_ws:

            ig_ws_key = 'ignorews'

            ig_ws_val = 1

    # per file option

    else:

        params[fileid] += ['C:%s' % ln_ctx]

        ig_ws_key = fileid

        ig_ws_val = 'WS:%s' % 1

    if ig_ws:

        params[ig_ws_key] += [ig_ws_val]

    lbl = _('%s line context') % ln_ctx

    params['anchor'] = fileid

    img = h.image('/images/icons/table_add.png', lbl, class_='icon')

class ChangesetController(BaseRepoController):

    @LoginRequired()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    def __before__(self):

        super(ChangesetController, self).__before__()

        c.affected_files_cut_off = 60

    def index(self, revision):

        c.anchor_url = anchor_url

        c.ignorews_url = _ignorews_url

        c.context_url = _context_url

        #get ranges of revisions if preset

        rev_range = revision.split('...')[:2]

        enable_comments = True

        try:

            if len(rev_range) == 2:

                enable_comments = False

                rev_start = rev_range[0]

                rev_end = rev_range[1]

                rev_ranges = c.rhodecode_repo.get_changesets(start=rev_start,

                                                            end=rev_end)

            else:

                rev_ranges = [c.rhodecode_repo.get_changeset(revision)]

            c.cs_ranges = list(rev_ranges)

            if not c.cs_ranges:

                raise RepositoryError('Changeset range returned empty result')

        except (RepositoryError, ChangesetDoesNotExistError, Exception), e:

            log.error(traceback.format_exc())

            h.flash(str(e), category='warning')

            return redirect(url('home'))

        c.changes = OrderedDict()

        c.lines_added = 0  # count of lines added

        c.lines_deleted = 0  # count of lines removes

        cumulative_diff = 0

        c.cut_off = False  # defines if cut off limit is reached

        c.comments = []

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

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

<%def name="title()">

    ${c.repo_name} ${_('Changeset')} - r${c.changeset.revision}:${h.short_id(c.changeset.raw_id)} - ${c.rhodecode_name}

</%def>

<%def name="breadcrumbs_links()">

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

    »

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

    »

    ${_('Changeset')} - r${c.changeset.revision}:${h.short_id(c.changeset.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 class="diffblock">

			<div class="code-header">

                <div class="date">

                  R${c.changeset.revision}:${h.link_to(h.short_id(c.changeset.raw_id),h.url('changeset_home',repo_name=c.repo_name,revision=c.changeset.raw_id))}

                  ${c.changeset.date}</div>

                <div class="diff-actions">

                  ${c.ignorews_url()}

                  ${c.context_url()}

                </div>

                <div class="comments-number" style="float:right;padding-right:5px">${len(c.comments)} comment(s) (${c.inline_cnt} ${_('inline')})</div>

			</div>

		</div>

	    <div id="changeset_content">

			<div class="container">

	             <div class="left">

	                 <div class="author">

	                     <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.urlify_commit(h.wrap_paragraphs(c.changeset.message),c.repo_name)}</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 c.changeset.parents:

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

		                 <div class="parent">${_('Parent')}

                     <span class="changeset_id">${p_cs.revision}:<span class="changeset_hash">${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)}</span></span>

		                 </div>

		             %endfor

                    %else:

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

                    %endif

		         <span class="logtags">

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

                 <span class="merge">${_('merge')}</span>

                 %endif

		             <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:

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

##usage:

## <%namespace name="diff_block" file="/changeset/diff_block.html"/>

## ${diff_block.diff_block(changes)}

##

<%def name="diff_block(changes)">

%for change,filenode,diff,cs1,cs2,stat in changes:

    %if change !='removed':

    <div id="${h.FID(filenode.changeset.raw_id,filenode.path)}_target" style="clear:both;height:90px;margin-top:-60px"></div>

    <div id="${h.FID(filenode.changeset.raw_id,filenode.path)}" class="diffblock  margined comm">

        <div class="code-header">

            <div class="changeset_header">

                <div class="changeset_file">

                    ${h.link_to_if(change!='removed',h.safe_unicode(filenode.path),h.url('files_home',repo_name=c.repo_name,

                    revision=filenode.changeset.raw_id,f_path=h.safe_unicode(filenode.path)))}

                </div>

                <div class="diff-actions">

                  ${c.ignorews_url(h.FID(filenode.changeset.raw_id,filenode.path))}

                  ${c.context_url(h.FID(filenode.changeset.raw_id,filenode.path))}

                </div>

                <span style="float:right;margin-top:-3px">

                  <label>

                  ${_('show inline comments')}

                  ${h.checkbox('',checked="checked",class_="show-inline-comments",id_for=h.FID(filenode.changeset.raw_id,filenode.path))}

                  </label>

                </span>

            </div>

        </div>

        <div class="code-body">

            <div class="full_f_path" path="${h.safe_unicode(filenode.path)}"></div>

            ${diff|n}

        </div>

    </div>

    %endif

%endfor

</%def>