from kallithea.lib.base import BaseRepoController, jsonify, render

from kallithea.lib.celerylib.tasks import get_commits_stats

from kallithea.lib.markup_renderer import MarkupRenderer

from kallithea.lib.page import Page

from kallithea.lib.utils2 import safe_int, safe_unicode

from kallithea.lib.vcs.backends.base import EmptyChangeset

from kallithea.lib.vcs.exceptions import ChangesetError, EmptyRepositoryError, NodeDoesNotExistError

from kallithea.lib.vcs.nodes import FileNode

from kallithea.model.db import Statistics

log = logging.getLogger(__name__)

README_FILES = [''.join([x[0][0], x[1][0]]) for x in

                    sorted(list(itertools.product(ALL_READMES, ALL_EXTS)),

                           key=lambda y:y[0][1] + y[1][1])]

class SummaryController(BaseRepoController):

    def __get_readme_data(self, db_repo):

        repo_name = db_repo.repo_name

        log.debug('Looking for README file')

        @cache_region('long_term', '_get_readme_from_cache')

        def _get_readme_from_cache(*_cache_keys):  # parameters are not really used - only as caching key

            readme_data = None

            readme_file = None

            try:

                # gets the landing revision! or tip if fails

                cs = db_repo.get_landing_changeset()

                if isinstance(cs, EmptyChangeset):

                    raise EmptyRepositoryError()

                renderer = MarkupRenderer()

                for f in README_FILES:

                    try:

                        readme = cs.get_node(f)

                        if not isinstance(readme, FileNode):

                            continue

                        readme_file = f

                        log.debug('Found README file `%s` rendering...',

                                  readme_file)

                        readme_data = renderer.render(safe_unicode(readme.content),

                                                      filename=f)

                        break

                    except NodeDoesNotExistError:

                        continue

            except ChangesetError:

                log.error(traceback.format_exc())

                pass

            except EmptyRepositoryError:

                pass

            return readme_data, readme_file

        kind = 'README'

        return _get_readme_from_cache(repo_name, kind, c.db_repo.changeset_cache.get('raw_id'))

    @LoginRequired(allow_default_user=True)

    @HasRepoPermissionLevelDecorator('read')

    def index(self, repo_name):

        p = safe_int(request.GET.get('page'), 1)

        size = safe_int(request.GET.get('size'), 10)

        try:

            collection = c.db_repo_scm_instance.get_changesets(reverse=True)

        except EmptyRepositoryError as e:

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

            collection = []

        c.cs_pagination = Page(collection, page=p, items_per_page=size)

        page_revisions = [x.raw_id for x in list(c.cs_pagination)]

        c.cs_comments = c.db_repo.get_comments(page_revisions)

        c.cs_statuses = c.db_repo.statuses(page_revisions)

        c.ssh_repo_url = None

        if request.authuser.is_default_user:

            username = None

        else:

            username = request.authuser.username

            if c.ssh_enabled:

                c.ssh_repo_url = c.db_repo.clone_url(clone_uri_tmpl=c.clone_ssh_tmpl)

        c.clone_repo_url = c.db_repo.clone_url(clone_uri_tmpl=c.clone_uri_tmpl, with_id=False, username=username)

        c.clone_repo_url_id = c.db_repo.clone_url(clone_uri_tmpl=c.clone_uri_tmpl, with_id=True, username=username)

        if c.db_repo.enable_statistics:

            c.show_stats = True

        else:

            c.show_stats = False

        stats = Statistics.query() \

            .filter(Statistics.repository == c.db_repo) \

            .scalar()

        c.stats_percentage = 0

        if stats and stats.languages:

            lang_stats_d = ext_json.loads(stats.languages)

            lang_stats = [(x, {"count": y,

                               "desc": LANGUAGES_EXTENSIONS_MAP.get(x, '?')})

                          for x, y in lang_stats_d.items()]

            lang_stats.sort(key=lambda k: (-k[1]['count'], k[0]))

            c.trending_languages = lang_stats[:10]

        else:

            c.trending_languages = []

        c.enable_downloads = c.db_repo.enable_downloads

        c.readme_data, c.readme_file = \

            self.__get_readme_data(c.db_repo)

        return render('summary/summary.html')

    @LoginRequired()

    @HasRepoPermissionLevelDecorator('read')

    @jsonify

    def repo_size(self, repo_name):

        if request.is_xhr:

            return c.db_repo._repo_size()

        else:

            raise HTTPBadRequest()

    @LoginRequired(allow_default_user=True)

    @HasRepoPermissionLevelDecorator('read')

    def statistics(self, repo_name):

        if c.db_repo.enable_statistics:

            c.show_stats = True

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

        else:

            c.show_stats = False

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

        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())

        c.ts_min = ts_min_m

        c.ts_max = ts_max_y

        stats = Statistics.query() \

            .filter(Statistics.repository == c.db_repo) \

            .scalar()

        c.stats_percentage = 0

        if stats and stats.languages:

            lang_stats_d = ext_json.loads(stats.languages)

            c.commit_data = ext_json.loads(stats.commit_activity)

            c.overview_data = ext_json.loads(stats.commit_activity_combined)

            lang_stats = ((x, {"count": y,

                               "desc": LANGUAGES_EXTENSIONS_MAP.get(x)})

                          for x, y in lang_stats_d.items())

            c.trending_languages = (

                sorted(lang_stats, reverse=True, key=lambda k: k[1])[:10]

            )

            last_rev = stats.stat_on_revision + 1

            c.repo_last_rev = c.db_repo_scm_instance.count() \

                if c.db_repo_scm_instance.revisions else 0

            if last_rev == 0 or c.repo_last_rev == 0:

                pass

            else:

                c.stats_percentage = '%.2f' % ((float((last_rev)) /

                                                c.repo_last_rev) * 100)

        else:

            c.commit_data = {}

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

        recurse_limit = 500  # don't recurse more than 500 times when parsing

        get_commits_stats(c.db_repo.repo_name, ts_min_y, ts_max_y, recurse_limit)

        return render('summary/statistics.html')

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

<%block name="title">

    ${_('%s Statistics') % c.repo_name}

</%block>

<%def name="breadcrumbs_links()">

    ${_('Statistics')}

</%def>

<%block name="header_menu">

    ${self.menu('repositories')}

</%block>

<%block name="head_extra">

  <link href="${h.url('atom_feed_home',repo_name=c.db_repo.repo_name,api_key=request.authuser.api_key)}" rel="alternate" title="${_('%s ATOM feed') % c.repo_name}" type="application/atom+xml" />

  <link href="${h.url('rss_feed_home',repo_name=c.db_repo.repo_name,api_key=request.authuser.api_key)}" rel="alternate" title="${_('%s RSS feed') % c.repo_name}" type="application/rss+xml" />

  <script type="text/javascript" src="${h.url('/js/jquery.flot.js', ver=c.kallithea_version)}"></script>

  <script type="text/javascript" src="${h.url('/js/jquery.flot.selection.js', ver=c.kallithea_version)}"></script>

  <script type="text/javascript" src="${h.url('/js/jquery.flot.time.js', ver=c.kallithea_version)}"></script>

</%block>

<%def name="main()">

${self.repo_context_bar('summary')}

    <div class="panel panel-primary">

    <div class="panel-heading clearfix">

        ${self.breadcrumbs()}

    </div>

    <div class="graph panel-body">

           ${c.no_data_msg}

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

                ${h.link_to(_('Enable'),h.url('edit_repo',repo_name=c.repo_name),class_="btn btn-default btn-xs")}

           %endif

        %else:

            ${_('Stats gathered: ')} ${c.stats_percentage}%

        %endif

        </div>

        <div id="commit_history" class="pull-left"></div>

        <div id="legend_data" class="pull-left">

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

            <div id="legend_choices">

                <table class="table" id="legend_choices_tables"></table>

            </div>

        </div>

        <div id="overview"></div>

    </div>

</div>

<script type="text/javascript">

var data = ${h.js(c.trending_languages)};

var total = 0;

var tbl = document.createElement('table');

tbl.setAttribute('class','trending_language_tbl');

var cnt = 0;

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

    total+= data[i][1].count;

}

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

    cnt += 1;

    var hide = cnt>2;

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

    if (hide){

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

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

    }

    var k = data[i][0];

    var obj = data[i][1];

    var percentage = Math.round((obj.count/total*100),2);

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

    td1.width = 150;

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

    trending_language_label.innerHTML = obj.desc+" ("+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 = obj.count + ' ' + ${h.jshtml(_('files'))};

    trending_language.title = k+" "+nr_files;

    if (percentage>22){

        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 == 3){

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

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

        lnk = document.createElement('a');

        lnk.href='#';

        lnk.innerHTML = ${h.jshtml(_('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);

    }

}

</script>

<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

        }

    };

    for(var key in dataset){

      var data = dataset[key].data;

      for(var d in data){

        data[d].time *= 1000;

      }

    }

    for(var key in overview_dataset){

      overview_dataset[key][0] *= 1000;

    }

    var dataset = dataset;

    var overview_dataset = [overview_dataset];

    var choiceContainer = $("#legend_choices")[0];

    var choiceContainerTable = $("#legend_choices_tables")[0];

    var $plotContainer = $('#commit_history');

    var plotContainer = $('#commit_history')[0];

    var $overviewContainer = $('#overview');

    var overviewContainer = $('#overview')[0];

    var plot_options = {

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

        legend: {show:true,

                container: "#legend_container",

            $(this).removeClass('selected');

            return ;

        }else{

            $(this).addClass('selected');

            $(this).select();

        }

    });

    var $clone_url = $('#clone-url');

    var $clone_by_name = $('#clone_by_name');

    var $clone_by_id = $('#clone_by_id');

    var $clone_ssh = $('#clone_ssh');

    $clone_url.on('click', '.btn.use-name', function(e){

        $clone_by_name.show();

        $clone_by_id.hide();

        $clone_ssh.hide();

    });

    $clone_url.on('click', '.btn.use-id', function(e){

        $clone_by_id.show();

        $clone_by_name.hide();

        $clone_ssh.hide();

    });

    $clone_url.on('click', '.btn.use-ssh', function(e){

        $clone_by_id.hide();

        $clone_by_name.hide();

        $clone_ssh.show();

    });

    var cache = {}

    $("#download_options").select2({

        placeholder: _TM['Select changeset'],

        dropdownAutoWidth: true,

        query: function(query){

          var key = 'cache';

          var cached = cache[key] ;

          if(cached) {

            var data = {results: []};

            //filter results

            $.each(cached.results, function(){

                var section = this.text;

                var children = [];

                $.each(this.children, function(){

                    if(query.term.length == 0 || this.text.toUpperCase().indexOf(query.term.toUpperCase()) >= 0 ){

                        children.push({'id': this.id, 'text': this.text});

                    }

                });

                data.results.push({'text': section, 'children': children});

            });

            query.callback(data);

          }else{

              $.ajax({

                url: pyroutes.url('repo_refs_data', {'repo_name': ${h.js(c.repo_name)}}),

                data: {},

                dataType: 'json',

                type: 'GET',

                success: function(data) {

                  cache[key] = data;

                  query.callback({results: data.results});

                }

              });

          }

        }

    });

    // on change of download options

    $('#download_options').change(function(e){

       var new_cs = e.added

       for(k in tmpl_links){

           var s = $('#'+k+'_link');

           if(s){

             var title_tmpl = ${h.jshtml(_('Download %s as %s') % ('__CS_NAME__','__CS_EXT__'))};

             title_tmpl= title_tmpl.replace('__CS_NAME__',new_cs.text);

             title_tmpl = title_tmpl.replace('__CS_EXT__',k);

             title_tmpl = '<i class="icon-file-zip"></i>'+ title_tmpl.html_escape();

             var url = tmpl_links[k].replace('__CS__',new_cs.id);

             var subrepos = $('#archive_subrepos').is(':checked');

             url = url.replace('__SUB__',subrepos);

             url = url.replace('__NAME__',title_tmpl);

             s.html(url);

           }

       }

    });

    var tmpl_links = {};

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

      tmpl_links[${h.jshtml(archive['type'])}] = ${h.js(h.link_to('__NAME__', h.url('files_archive_home',repo_name=c.db_repo.repo_name, fname='__CS__'+archive['extension'],subrepos='__SUB__'),class_='btn btn-default btn-sm'))};

    %endfor

});

</script>

%if c.show_stats:

<script type="text/javascript">

$(document).ready(function(){

    var data = ${h.js(c.trending_languages)};

    var total = 0;

    var tbl = document.createElement('table');

    tbl.setAttribute('class','table');

    var cnt = 0;

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

        total+= data[i][1].count;

    }

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

        cnt += 1;

        var hide = cnt>2;

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

        if (hide){

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

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

        }

        var k = data[i][0];

        var obj = data[i][1];

        var percentage = Math.round((obj.count/total*100),2);

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

        td1.width = 250;

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

        trending_language_label.innerHTML = obj.desc+" ("+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 = obj.count + ' ' + ${h.jshtml(_('files'))};

        trending_language.title = k+" "+nr_files;

        if (percentage>22){

            trending_language.innerHTML = "<b class='progress-bar' role='progressbar'"

                + "aria-valuemin='0' aria-valuemax='100' aria-valuenow='" + percentage

                + "' style='width: " + percentage + "%;'>" + percentage + "%, " + nr_files + "</b>";

        }

        else if (percentage>5){

            trending_language.innerHTML = "<b class='progress-bar' role='progressbar'"

                + "aria-valuemin='0' aria-valuemax='100' aria-valuenow='" + percentage

                + "' style='width: " + percentage + "%;'>" + percentage + "%</b>";

        }else{

            trending_language.innerHTML = "<b class='progress-bar' role='progressbar'"

                + "aria-valuemin='0' aria-valuemax='100' aria-valuenow='" + percentage

                + "' style='width: " + percentage + "%;'>&nbsp;</b>&nbsp;" + percentage + "%";

        }

        td2.appendChild(trending_language);

        tr.appendChild(td1);

        tr.appendChild(td2);

        tbl.appendChild(tr);

        if(cnt == 3){

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

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

            lnk = document.createElement('a');

            lnk.href='#';

            lnk.innerHTML = ${h.jshtml(_('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 (data.length == 0) {

        tbl.innerHTML = '<tr><td>' + ${h.jshtml(_('No data ready yet'))} + '</td></tr>';

    }

    $('#lang_stats').append(tbl);

    $('#code_stats_show_more').click(function(){

        $('.stats_hidden').show();

        $('#code_stats_show_more').hide();

    });

});

</script>

%endif

</%def>