from mercurial import archival

from pylons import request, response, session, tmpl_context as c, url

from pylons.i18n.translation import _

from pylons.controllers.util import redirect

from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator

from rhodecode.lib.base import BaseController, render

from rhodecode.lib.utils import EmptyChangeset

from rhodecode.model.scm import ScmModel

from vcs.exceptions import RepositoryError, ChangesetError

from vcs.nodes import FileNode

from vcs.utils import diffs as differ

log = logging.getLogger(__name__)

class FilesController(BaseController):

    @LoginRequired()

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

                                   'repository.admin')

    def __before__(self):

        super(FilesController, self).__before__()

    def index(self, repo_name, revision, f_path):

        hg_model = ScmModel()

        c.repo = hg_model.get_repo(c.repo_name)

        revision = request.POST.get('at_rev', None) or revision

        def get_next_rev(cur):

            max_rev = len(c.repo.revisions) - 1

            r = cur + 1

            if r > max_rev:

                r = max_rev

            return r

        def get_prev_rev(cur):

            r = cur - 1

            return r

        c.f_path = f_path

        try:

            c.changeset = c.repo.get_changeset(revision)

            cur_rev = c.changeset.revision

            prev_rev = c.repo.get_changeset(get_prev_rev(cur_rev)).raw_id

						h.url('files_home',repo_name=c.repo_name,revision=c.cs.raw_id,f_path=c.f_path))}  

					/ ${h.link_to(_('show as raw'),

						h.url('files_raw_home',repo_name=c.repo_name,revision=c.cs.raw_id,f_path=c.f_path))}

					/ ${h.link_to(_('download as raw'),

						h.url('files_rawfile_home',repo_name=c.repo_name,revision=c.cs.raw_id,f_path=c.f_path))}

				</dd>

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

			    <dd>

			        <div>

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

			        ${h.hidden('diff2',c.file.last_changeset.raw_id)}

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

			        ${h.submit('diff','diff to revision',class_="ui-button ui-widget ui-state-default ui-corner-all")}

			        ${h.submit('show_rev','show at revision',class_="ui-button ui-widget ui-state-default ui-corner-all")}

			        ${h.end_form()}

			        </div>

			    </dd>					

			</dl>

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

				<div class="code-header">

					<div class="revision">${c.file.name}@r${c.file.last_changeset.revision}:${h.short_id(c.file.last_changeset.raw_id)}</div>

					<div class="commit">"${c.file.message}"</div>

				</div>

				<div class="code-body">

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

					%else:

						${_('File is to big to display')} ${h.link_to(_('show as raw'),

						h.url('files_raw_home',repo_name=c.repo_name,revision=c.cs.revision,f_path=c.f_path))}

					%endif				

				</div>

			</div>

			<script type="text/javascript">

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

			    YAHOO.util.Event.addListener('show_rev','click',function(e){

			        YAHOO.util.Event.preventDefault(e);

			        var cs = YAHOO.util.Dom.get('diff1').value;

			        var url = "${h.url('files_annotate_home',repo_name=c.repo_name,revision='__CS__',f_path=c.f_path)}".replace('__CS__',cs);

			        window.location = url;

			        });

			   });

			</script>			

		</div>    

    </div>

</div>    

</%def>   

			h.url('files_raw_home',repo_name=c.repo_name,revision=c.changeset.raw_id,f_path=c.f_path))}			

		 / ${h.link_to(_('download as raw'),

			h.url('files_rawfile_home',repo_name=c.repo_name,revision=c.changeset.raw_id,f_path=c.f_path))}

	</dd>

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

	<dd>

		<div>

		${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.raw_id)}

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

		${h.submit('diff','diff to revision',class_="ui-button ui-widget ui-state-default ui-corner-all")}

		${h.submit('show_rev','show at revision',class_="ui-button ui-widget ui-state-default ui-corner-all")}

		${h.end_form()}

		</div>

	</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}:${h.short_id(c.files_list.last_changeset.raw_id)}</div>

		<div class="commit">"${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")}

		%else:

			${_('File is to big to display')} ${h.link_to(_('show as raw'),

			h.url('files_raw_home',repo_name=c.repo_name,revision=c.changeset.raw_id,f_path=c.f_path))}

		%endif

	</div>

</div>

<script type="text/javascript">

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

    YAHOO.util.Event.addListener('show_rev','click',function(e){

    	YAHOO.util.Event.preventDefault(e);

        var cs = YAHOO.util.Dom.get('diff1').value;

        var url = "${h.url('files_home',repo_name=c.repo_name,revision='__CS__',f_path=c.f_path)}".replace('__CS__',cs);

        window.location = url;

        });

   });

</script>