from webob.exc import HTTPNotFound

from rhodecode.lib import diffs

from rhodecode.model.db import Repository

        Possible formats are 

            `(branch|book|tag):<name>...(branch|book|tag):<othername>`

                #TODO: do an actual repo loookup within rhodecode

                _repo = _other_repo

    def _get_changesets(self, org_repo, org_ref, other_repo, other_ref):

        changesets = []

        #case two independent repos

        if org_repo != other_repo:

            from mercurial import discovery

            import binascii

            out = discovery.findcommonoutgoing(org_repo._repo, other_repo._repo)

            for cs in map(binascii.hexlify, out.missing):

                changesets.append(org_repo.get_changeset(cs))

        else:

            for cs in map(binascii.hexlify, out):

                changesets.append(org_repo.get_changeset(cs))

        return changesets

        c.org_repo = org_repo = Repository.get_by_repo_name(org_repo)

        c.other_repo = other_repo = Repository.get_by_repo_name(other_repo)

        c.cs_ranges = self._get_changesets(org_repo.scm_instance,

                                           org_ref,

                                           other_repo.scm_instance,

                                           other_ref)

        c.org_ref = org_ref[1]

        c.other_ref = other_ref[1]

        cs1 = org_repo.scm_instance.get_changeset(org_ref[1])

        cs2 = other_repo.scm_instance.get_changeset(other_ref[1])

        _diff = diffs.differ(org_repo, org_ref, other_repo, other_ref)

        diff_processor = diffs.DiffProcessor(_diff, format='gitdiff')

        diff = diff_processor.as_html(enable_comments=False)

        stats = diff_processor.stat()

        c.changes = [('change?', None, diff, cs1, cs2, stats,)]

        return render('compare/compare_diff.html')

def differ(org_repo, org_ref, other_repo, other_ref):

    """

    :param org_repo:

    :type org_repo:

    :param org_ref:

    :type org_ref:

    :param other_repo:

    :type other_repo:

    :param other_ref:

    :type other_ref:

    """

    ignore_whitespace = False

    context = 3

    from mercurial import patch

    from mercurial.mdiff import diffopts

    org_repo = org_repo.scm_instance._repo

    other_repo = other_repo.scm_instance._repo

    org_ref = org_ref[1]

    other_ref = other_ref[1]

    opts = diffopts(git=True, ignorews=ignore_whitespace, context=context)

    return ''.join(patch.diff(org_repo, node1=org_ref, node2=other_ref,

                              opts=opts))

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

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

<%def name="title()">

    TODO FIll this in

</%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))}

    »

    TODO! 

</%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 cv">

                <h3 class="code-header-title">${_('Compare View')}</h3>

                <div>

                ${'%s@%s' % (c.org_repo.repo_name, c.org_ref)} -> ${'%s@%s' % (c.other_repo.repo_name, c.other_ref)}

                </div>

            </div>

        </div>

        <div id="changeset_compare_view_content">

            <div class="container">

            <table class="compare_view_commits noborder">

            %for cnt,cs in enumerate(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>

                  %if hasattr(c,'statuses') and c.statuses:

                    <div title="${_('Changeset status')}" class="changeset-status-ico"><img src="${h.url('/images/icons/flag_status_%s.png' % c.statuses[cnt])}" /></div>

                  %endif

                </td>

                <td><div class="message">${h.urlify_commit(h.wrap_paragraphs(cs.message),c.repo_name)}</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 change,filenode,diff,cs1,cs2,st in c.changes[cs.raw_id]:

                  <div class="cs_${change}">${h.link_to(h.safe_unicode(filenode.path),h.url.current(anchor=h.FID(cs.raw_id,filenode.path)))}</div>

              %endfor

            </div>

        </div>

    </div>

     <script type="text/javascript">

      YUE.onDOMReady(function(){

          YUE.on(YUQ('.diff-menu-activate'),'click',function(e){

              var act = e.currentTarget.nextElementSibling;

              if(YUD.hasClass(act,'active')){

                  YUD.removeClass(act,'active');

                  YUD.setStyle(act,'display','none');

              }else{

                  YUD.addClass(act,'active');

                  YUD.setStyle(act,'display','');

              }

          });

      })

    </script>

    </div>

</%def>