from vcs.exceptions import ChangesetError

from pylons import tmpl_context as c, request, url

from pylons.i18n.translation import _

from rhodecode.model.db import Statistics, Repository

from rhodecode.model.repo import RepoModel

from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator

from rhodecode.lib.base import BaseRepoController, render

from rhodecode.lib.utils import OrderedDict, EmptyChangeset

from rhodecode.lib.celerylib import run_task

from rhodecode.lib.celerylib.tasks import get_commits_stats

from rhodecode.lib.helpers import RepoPage

try:

    import json

except ImportError:

    #python 2.5 compatibility

    import simplejson as json

log = logging.getLogger(__name__)

class SummaryController(BaseRepoController):

    @LoginRequired()

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

                                   'repository.admin')

    def __before__(self):

        super(SummaryController, self).__before__()

    def index(self, repo_name):

        e = request.environ

        c.dbrepo = dbrepo = Repository.by_repo_name(repo_name)

        c.following = self.scm_model.is_following_repo(repo_name,

                                                       self.rhodecode_user.user_id)

        def url_generator(**kw):

            return url('shortlog_home', repo_name=repo_name, **kw)

        c.repo_changesets = RepoPage(c.rhodecode_repo, page=1, items_per_page=10,

                                 url=url_generator)

        if self.rhodecode_user.username == 'default':

            #for default(anonymous) user we don't need to pass credentials

            username = ''

            password = ''

        else:

            username = str(self.rhodecode_user.username)

            password = '@'

        uri = u'%(protocol)s://%(user)s%(password)s%(host)s%(prefix)s/%(repo_name)s' % {

                                        'protocol': e.get('wsgi.url_scheme'),

                                        'user':username,

                                        'password':password,

                                        'host':e.get('HTTP_HOST'),

                                        'prefix':e.get('SCRIPT_NAME'),

                                        'repo_name':repo_name, }

        c.clone_repo_url = uri

        c.repo_tags = OrderedDict()

        for name, hash in c.rhodecode_repo.tags.items()[:10]:

            try:

                c.repo_tags[name] = c.rhodecode_repo.get_changeset(hash)

            except ChangesetError:

                c.repo_tags[name] = EmptyChangeset(hash)

        c.repo_branches = OrderedDict()

        for name, hash in c.rhodecode_repo.branches.items()[:10]:

            try:

                c.repo_branches[name] = c.rhodecode_repo.get_changeset(hash)

            except ChangesetError:

                c.repo_branches[name] = EmptyChangeset(hash)

        td = date.today() + timedelta(days=1)

        td_1m = td - timedelta(days=calendar.mdays[td.month])

        td_1y = td - timedelta(days=365)

        ts_min_m = mktime(td_1m.timetuple())

        ts_min_y = mktime(td_1y.timetuple())

        ts_max_y = mktime(td.timetuple())

        if dbrepo.enable_statistics:

            c.no_data_msg = _('No data loaded yet')

            run_task(get_commits_stats, c.dbrepo.repo_name, ts_min_y, ts_max_y)

        else:

            c.no_data_msg = _('Statistics are disabled for this repository')

        c.ts_min = ts_min_m

        c.ts_max = ts_max_y

        stats = self.sa.query(Statistics)\

            .filter(Statistics.repository == dbrepo)\

            .scalar()

        if stats and stats.languages:

            c.no_data = False is dbrepo.enable_statistics

            lang_stats = json.loads(stats.languages)

            c.commit_data = stats.commit_activity

            c.overview_data = stats.commit_activity_combined

            c.trending_languages = json.dumps(OrderedDict(

                                       sorted(lang_stats.items(), reverse=True,

                                            key=lambda k: k[1])[:10]

                                        )

                                    )

        else:

            c.commit_data = json.dumps({})

            c.overview_data = json.dumps([[ts_min_y, 0], [ts_max_y, 10] ])

            c.trending_languages = json.dumps({})

            c.no_data = True

        c.enable_downloads = dbrepo.enable_downloads

        if c.enable_downloads:

            c.download_options = self._get_download_links(c.rhodecode_repo)

        return render('summary/summary.html')

    def _get_download_links(self, repo):

        download_l = []

        branches_group = ([], _("Branches"))

        tags_group = ([], _("Tags"))

        for name, chs in c.rhodecode_repo.branches.items():

            #chs = chs.split(':')[-1]

            branches_group[0].append((chs, name),)

        download_l.append(branches_group)

        for name, chs in c.rhodecode_repo.tags.items():

            #chs = chs.split(':')[-1]

            tags_group[0].append((chs, name),)

        download_l.append(tags_group)

        return download_l

  			var hide = cnt>2;

	  		var tr = document.createElement('tr');

	  		if (hide){

	  			tr.setAttribute('style','display:none');

	  			tr.setAttribute('class','stats_hidden');

	  		}

	  		var percentage = Math.round((data[k]/total*100),2);

			var value = data[k];

	  		var td1 = document.createElement('td');

	  		td1.width=150;

	  		var trending_language_label = document.createElement('div');

	  		trending_language_label.innerHTML = k;

	  		td1.appendChild(trending_language_label);

	  		var td2 = document.createElement('td');

	  		td2.setAttribute('style','padding-right:14px !important');

  		    var trending_language = document.createElement('div');

  		    var nr_files = value+" ${_('files')}";

  		    trending_language.title = k+" "+nr_files;

  		    if (percentage>20){

  		    	trending_language.innerHTML = "<b style='font-size:0.8em'>"+percentage+"% "+nr_files+ "</b>";	

  		    }

  		    else{

  		    	trending_language.innerHTML = "<b style='font-size:0.8em'>"+percentage+"%</b>";

  		    }

  		    trending_language.setAttribute("class", 'trending_language top-right-rounded-corner bottom-right-rounded-corner');

  		    trending_language.style.width=percentage+"%";

			td2.appendChild(trending_language);

			tr.appendChild(td1);

			tr.appendChild(td2);

  		    tbl.appendChild(tr);

  		    if(cnt == 2){

  		    	var show_more = document.createElement('tr');

  		    	var td=document.createElement('td');

  		    	lnk = document.createElement('a');

  		    	lnk.href='#';

  		    	lnk.innerHTML = "${_("show more")}";

  		    	lnk.id='code_stats_show_more';

  		        td.appendChild(lnk);

  		    	show_more.appendChild(td);

  		    	show_more.appendChild(document.createElement('td'));

  		    	tbl.appendChild(show_more);

  		    }

  		}

  		if(no_data){

  			var tr = document.createElement('tr');

  			var td1 = document.createElement('td');

  			td1.innerHTML = "${c.no_data_msg}";

  			tr.appendChild(td1);

  			tbl.appendChild(tr);

		}

  		YUD.get('lang_stats').appendChild(tbl);

  		YUE.on('code_stats_show_more','click',function(){

  			l = YUD.getElementsByClassName('stats_hidden')

  			for (e in l){

  			    YUD.setStyle(l[e],'display','');

  			};

  			YUD.setStyle(YUD.get('code_stats_show_more'),

  					'display','none');

  		})

             YUE.on('download_options','change',function(e){

                 var new_cs = e.target.options[e.target.selectedIndex];

                 var tmpl_links = {}

                 %for cnt,archive in enumerate(c.rhodecode_repo._get_archives()):

                	 tmpl_links['${archive['type']}'] = '${h.link_to(archive['type'],

                        h.url('files_archive_home',repo_name=c.dbrepo.repo_name,

                        fname='__CS__'+archive['extension']),class_="archive_icon")}';

                 %endfor

                 for(k in tmpl_links){

                	 var s = YUD.get(k+'_link')

                	 title_tmpl = "${_('Download %s as %s') % ('__CS_NAME__',archive['type'])}";

                	 s.title = title_tmpl.replace('__CS_NAME__',new_cs.text)

                	 s.innerHTML = tmpl_links[k].replace('__CS__',new_cs.value);

                 }

             })

  	</script>    				

</div>

<div class="box box-right"  style="min-height:455px">

    <!-- box / title -->

    <div class="title">

        <h5>${_('Commit activity by day / author')}</h5>

    </div>

    <div class="table">

         %if c.no_data:

           %if h.HasPermissionAll('hg.admin')('enable stats on from summary'):

                [${h.link_to(_('enable'),h.url('edit_repo',repo_name=c.repo_name))}]

           %endif         

           </div>

        <div id="commit_history" style="width:460px;height:300px;float:left"></div>

        <div style="clear: both;height: 10px"></div>

        <div id="overview" style="width:460px;height:100px;float:left"></div>

    	<div id="legend_data" style="clear:both;margin-top:10px;">

	    	<div id="legend_container"></div>

	    	<div id="legend_choices">

				<table id="legend_choices_tables" style="font-size:smaller;color:#545454"></table>

	    	</div>

    	</div>

		<script type="text/javascript">

		/**

		 * Plots summary graph

		 *

		 * @class SummaryPlot

		 * @param {from} initial from for detailed graph

		 * @param {to} initial to for detailed graph

		 * @param {dataset}

		 * @param {overview_dataset}

		 */

		function SummaryPlot(from,to,dataset,overview_dataset) {

			var initial_ranges = {

			    "xaxis":{

				    "from":from,

				   	"to":to,

				},

			};

		    var dataset = dataset;

		    var overview_dataset = [overview_dataset];

		    var choiceContainer = YUD.get("legend_choices");

		    var choiceContainerTable = YUD.get("legend_choices_tables");

		    var plotContainer = YUD.get('commit_history');

		    var overviewContainer = YUD.get('overview');

		    var plot_options = {

				bars: {show:true,align:'center',lineWidth:4},

				legend: {show:true, container:"legend_container"},

				points: {show:true,radius:0,fill:false},

				yaxis: {tickDecimals:0,},

				xaxis: {

					mode: "time", 

					timeformat: "%d/%m",

				    min:from,

				    max:to,	

				}, 

				grid: {

					hoverable: true, 

				    clickable: true,

				    autoHighlight:true,

				    color: "#999"

				},

				//selection: {mode: "x"}

		    };

		    var overview_options = {

				legend:{show:false},

			    bars: {show:true,barWidth: 2,},

			    shadowSize: 0,

			    xaxis: {mode: "time", timeformat: "%d/%m/%y",},

			    yaxis: {ticks: 3, min: 0,tickDecimals:0,},

			    grid: {color: "#999",},

			    selection: {mode: "x"}

			};

			/**

			*get dummy data needed in few places

			*/

		    function getDummyData(label){

		    	return {"label":label,

               	 "data":[{"time":0,

               		 "commits":0,

	                     "added":0,

	                     "changed":0,

	                     "removed":0,

                    }],

                    "schema":["commits"],

                    "color":'#ffffff',

           		}

			}

		    /**

		     * generate checkboxes accordindly to data

		     * @param keys

		     * @returns

		     */

		    function generateCheckboxes(data) {

			    //append checkboxes

			    var i = 0;

			    choiceContainerTable.innerHTML = '';

			    for(var pos in data) {

			    	data[pos].color = i;

			        i++;

			        if(data[pos].label != ''){

				        choiceContainerTable.innerHTML += '<tr><td>'+

				        '<input type="checkbox" name="' + data[pos].label +'" checked="checked" />'

				        +data[pos].label+