log = logging.getLogger(__name__)

class PullrequestsController(BaseRepoController):

    def __before__(self):

        super(PullrequestsController, self).__before__()

        repo_model = RepoModel()

        c.users_array = repo_model.get_users_js()

        c.users_groups_array = repo_model.get_users_groups_js()

        """return a structure with repo's interesting changesets, suitable for

        the selectors in pullrequest.html

        branch_rev: a revision of which peers should be preferred and available."""

        # list named branches that has been merged to this named branch - it should probably merge back

        peers = []

        if rev:

            rev = safe_str(rev)

        if branch_rev:

            branch_rev = safe_str(branch_rev)

            # not restricting to merge() would also get branch point and be better

            # (especially because it would get the branch point) ... but is currently too expensive

            otherbranches = {}

            for i in repo._repo.revs(

                "sort(parents(branch(id(%s)) and merge()) - branch(id(%s)))",

                branch_rev, branch_rev):

                cs = repo.get_changeset(i)

                otherbranches[cs.branch] = cs.raw_id

            for abranch, node in otherbranches.iteritems():

                selected = 'branch:%s:%s' % (abranch, node)

                peers.append((selected, abranch))

        selected = None

        branches = []

        for abranch, branchrev in repo.branches.iteritems():

            n = 'branch:%s:%s' % (abranch, branchrev)

            branches.append((n, abranch))

            if rev == branchrev:

                selected = n

        bookmarks = []

        for bookmark, bookmarkrev in repo.bookmarks.iteritems():

            n = 'book:%s:%s' % (bookmark, bookmarkrev)

            bookmarks.append((n, bookmark))

            if rev == bookmarkrev:

                selected = n

        tags = []

        for tag, tagrev in repo.tags.iteritems():

            n = 'tag:%s:%s' % (tag, tagrev)

            tags.append((n, tag))

        try:

            org_repo.scm_instance.get_changeset()

        except EmptyRepositoryError, e:

            h.flash(h.literal(_('There are no changesets yet')),

                    category='warning')

            redirect(url('summary_home', repo_name=org_repo.repo_name))

        org_rev = request.GET.get('rev_end')

        # rev_start is not directly useful - its parent could however be used

        # as default for other and thus give a simple compare view

        #other_rev = request.POST.get('rev_start')

        c.org_repos = []

        c.org_repos.append((org_repo.repo_name, org_repo.repo_name))

        c.default_org_repo = org_repo.repo_name

        c.other_repos = []

        other_repos_info = {}

        def add_other_repo(repo, branch_rev=None):

            if repo.repo_name in other_repos_info: # shouldn't happen

                return

            c.other_repos.append((repo.repo_name, repo.repo_name))

            other_refs, selected_other_ref = self._get_repo_refs(repo.scm_instance, branch_rev=branch_rev)

            other_repos_info[repo.repo_name] = {

                'user': dict(user_id=repo.user.user_id,

                             username=repo.user.username,

                </div>

            </div>

        </div>

        <script type="text/javascript" src="${h.url('/js/graph.js')}"></script>

        <script type="text/javascript">

            YAHOO.util.Event.onDOMReady(function(){

                //Monitor range checkboxes and build a link to changesets

                //ranges

                var checkboxes = YUD.getElementsByClassName('changeset_range');

                var url_tmpl = "${h.url('changeset_home',repo_name=c.repo_name,revision='__REVRANGE__')}";

                var checkbox_checker = function(e){

                    var checked_checkboxes = [];

                    for (pos in checkboxes){

                        if(checkboxes[pos].checked){

                            checked_checkboxes.push(checkboxes[pos]);

                        }

                    }

                    if(YUD.get('open_new_pr')){

                        if(checked_checkboxes.length>1){

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

                        } else {

                        var link = (rev_start == rev_end)

                            ? _TM['Show selected changeset __S']

                            : _TM['Show selected changesets __S -> __E'];

                        link = link.replace('__S',rev_start.substr(0,6));

                        link = link.replace('__E',rev_end.substr(0,6));

                        YUD.get('rev_range_container').href = url;

                        YUD.get('rev_range_container').innerHTML = link;

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

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

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

                    }else{

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

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

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

                    }

                };

                YUE.onDOMReady(checkbox_checker);

                YUE.on(checkboxes,'click', checkbox_checker);

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

                    for (var i=0; i<checkboxes.length; i++){

                        var cb = checkboxes[i];

                        cb.checked = false;

                    }

                    checkbox_checker();