from whoosh.qparser.dateparse import DateParserPlugin

from rhodecode.model.db import UserLog, User

from rhodecode.lib.helpers import Page

from rhodecode.model.db import Notification

from rhodecode.model.notification import NotificationModel

from rhodecode.model.meta import Session

from rhodecode.lib.auth import LoginRequired, NotAnonymous

from rhodecode.lib.helpers import Page

from rhodecode.controllers.admin.admin import _journal_filter

from rhodecode.model.db import UserLog, UserFollowing, Repository, User

from rhodecode.model.meta import Session

from rhodecode.model.repo import RepoModel

from rhodecode.lib.helpers import Page

from whoosh.index import open_dir, EmptyIndexError

from whoosh.qparser import QueryParser, QueryParserError

from whoosh.query import Phrase, Wildcard, Term, Prefix

from webhelpers.util import update_params

from rhodecode.lib.helpers import Page

from webhelpers.paginate import Page as _Page

class Page(_Page):

    """

    Custom pager to match rendering style with YUI paginator

    """

    def _get_pos(self, cur_page, max_page, items):

        edge = (items / 2) + 1

        if (cur_page <= edge):

            radius = max(items / 2, items - cur_page)

        elif (max_page - cur_page) < edge:

            radius = (items - 1) - (max_page - cur_page)

        else:

            radius = items / 2

        left = max(1, (cur_page - (radius)))

        right = min(max_page, cur_page + (radius))

        return left, cur_page, right

    def _range(self, regexp_match):

        """

        Return range of linked pages (e.g. '1 2 [3] 4 5 6 7 8').

        Arguments:

        regexp_match

            A "re" (regular expressions) match object containing the

            radius of linked pages around the current page in

            regexp_match.group(1) as a string

        This function is supposed to be called as a callable in

        re.sub.

        """

        radius = int(regexp_match.group(1))

        # Compute the first and last page number within the radius

        # e.g. '1 .. 5 6 [7] 8 9 .. 12'

        # -> leftmost_page  = 5

        # -> rightmost_page = 9

        leftmost_page, _cur, rightmost_page = self._get_pos(self.page,

                                                            self.last_page,

                                                            (radius * 2) + 1)

        nav_items = []

        # Create a link to the first page (unless we are on the first page

        # or there would be no need to insert '..' spacers)

        if self.page != self.first_page and self.first_page < leftmost_page:

            nav_items.append(self._pagerlink(self.first_page, self.first_page))

        # Insert dots if there are pages between the first page

        # and the currently displayed page range

        if leftmost_page - self.first_page > 1:

            # Wrap in a SPAN tag if nolink_attr is set

            text = '..'

            if self.dotdot_attr:

                text = HTML.span(c=text, **self.dotdot_attr)

            nav_items.append(text)

        for thispage in xrange(leftmost_page, rightmost_page + 1):

            # Hilight the current page number and do not use a link

            if thispage == self.page:

                text = '%s' % (thispage,)

                # Wrap in a SPAN tag if nolink_attr is set

                if self.curpage_attr:

                    text = HTML.span(c=text, **self.curpage_attr)

                nav_items.append(text)

            # Otherwise create just a link to that page

            else:

                text = '%s' % (thispage,)

                nav_items.append(self._pagerlink(thispage, text))

        # Insert dots if there are pages between the displayed

        # page numbers and the end of the page range

        if self.last_page - rightmost_page > 1:

            text = '..'

            # Wrap in a SPAN tag if nolink_attr is set

            if self.dotdot_attr:

                text = HTML.span(c=text, **self.dotdot_attr)

            nav_items.append(text)

        # Create a link to the very last page (unless we are on the last

        # page or there would be no need to insert '..' spacers)

        if self.page != self.last_page and rightmost_page < self.last_page:

            nav_items.append(self._pagerlink(self.last_page, self.last_page))

        return self.separator.join(nav_items)

    def pager(self, format='~2~', page_param='page', partial_param='partial',

        show_if_single_page=False, separator=' ', onclick=None,

        symbol_first='<<', symbol_last='>>',

        symbol_previous='<', symbol_next='>',

        link_attr={'class': 'pager_link'},

        curpage_attr={'class': 'pager_curpage'},

        dotdot_attr={'class': 'pager_dotdot'}, **kwargs):

        self.curpage_attr = curpage_attr

        self.separator = separator

        self.pager_kwargs = kwargs

        self.page_param = page_param

        self.partial_param = partial_param

        self.onclick = onclick

        self.link_attr = link_attr

        self.dotdot_attr = dotdot_attr

        # Don't show navigator if there is no more than one page

        if self.page_count == 0 or (self.page_count == 1 and not show_if_single_page):

            return ''

        from string import Template

        # Replace ~...~ in token format by range of pages

        result = re.sub(r'~(\d+)~', self._range, format)

        # Interpolate '%' variables

        result = Template(result).safe_substitute({

            'first_page': self.first_page,

            'last_page': self.last_page,

            'page': self.page,

            'page_count': self.page_count,

            'items_per_page': self.items_per_page,

            'first_item': self.first_item,

            'last_item': self.last_item,

            'item_count': self.item_count,

            'link_first': self.page > self.first_page and \

                    self._pagerlink(self.first_page, symbol_first) or '',

            'link_last': self.page < self.last_page and \

                    self._pagerlink(self.last_page, symbol_last) or '',

            'link_previous': self.previous_page and \

                    self._pagerlink(self.previous_page, symbol_previous) \

                    or HTML.span(symbol_previous, class_="yui-pg-previous"),

            'link_next': self.next_page and \

                    self._pagerlink(self.next_page, symbol_next) \

                    or HTML.span(symbol_next, class_="yui-pg-next")

        })

        return literal(result)

var YUI_paginator = function(links_per_page, containers){

    // my custom paginator

    (function () {

        var Paginator = YAHOO.widget.Paginator,

            l         = YAHOO.lang,

            setId     = YAHOO.util.Dom.generateId;

        Paginator.ui.MyFirstPageLink = function (p) {

            this.paginator = p;

            p.subscribe('recordOffsetChange',this.update,this,true);

            p.subscribe('rowsPerPageChange',this.update,this,true);

            p.subscribe('totalRecordsChange',this.update,this,true);

            p.subscribe('destroy',this.destroy,this,true);

            // TODO: make this work

            p.subscribe('firstPageLinkLabelChange',this.update,this,true);

            p.subscribe('firstPageLinkClassChange',this.update,this,true);

        };

        Paginator.ui.MyFirstPageLink.init = function (p) {

            p.setAttributeConfig('firstPageLinkLabel', {

                value : 1,

                validator : l.isString

            });

            p.setAttributeConfig('firstPageLinkClass', {

                value : 'yui-pg-first',

                validator : l.isString

            });

            p.setAttributeConfig('firstPageLinkTitle', {

                value : 'First Page',

                validator : l.isString

            });

        };

        // Instance members and methods

        Paginator.ui.MyFirstPageLink.prototype = {

            current   : null,

            leftmost_page: null,

            rightmost_page: null,

            link      : null,

            span      : null,

            dotdot    : null,

            getPos    : function(cur_page, max_page, items){

                var edge = parseInt(items / 2) + 1;

                if (cur_page <= edge){

                    var radius = Math.max(parseInt(items / 2), items - cur_page);

                }

                else if ((max_page - cur_page) < edge) {

                    var radius = (items - 1) - (max_page - cur_page);

                }

                else{

                    var radius = parseInt(items / 2);

                }

                var left = Math.max(1, (cur_page - (radius)))

                var right = Math.min(max_page, cur_page + (radius))

                return [left, cur_page, right]

            },

            render : function (id_base) {

                var p      = this.paginator,

                    c      = p.get('firstPageLinkClass'),

                    label  = p.get('firstPageLinkLabel'),

                    title  = p.get('firstPageLinkTitle');

                this.link     = document.createElement('a');

                this.span     = document.createElement();

                var _pos = this.getPos(p.getCurrentPage(), p.getTotalPages(), 5);

                this.leftmost_page = _pos[0];

                this.rightmost_page = _pos[2];

                setId(this.link, id_base + '-first-link');

                this.link.href      = '#';

                this.link.className = c;

                this.link.innerHTML = label;

                this.link.title     = title;

                YAHOO.util.Event.on(this.link,'click',this.onClick,this,true);

                setId(this.span, id_base + '-first-span');

                this.span.className = c;

                this.span.innerHTML = label;

                this.current = p.getCurrentPage() > 1 ? this.link : this.span;

                return this.current;

            },

            update : function (e) {

                var p      = this.paginator;

                var _pos   = this.getPos(p.getCurrentPage(), p.getTotalPages(), 5);

                this.leftmost_page = _pos[0];

                this.rightmost_page = _pos[2];

                if (e && e.prevValue === e.newValue) {

                    return;

                }

                var par = this.current ? this.current.parentNode : null;

                if (this.leftmost_page > 1) {

                    if (par && this.current === this.span) {

                        par.replaceChild(this.link,this.current);

                        this.current = this.link;

                    }

                } else {

                    if (par && this.current === this.link) {

                        par.replaceChild(this.span,this.current);

                        this.current = this.span;

                    }

                }

            },

            destroy : function () {

                YAHOO.util.Event.purgeElement(this.link);

                this.current.parentNode.removeChild(this.current);

                this.link = this.span = null;

            },

            onClick : function (e) {

                YAHOO.util.Event.stopEvent(e);

                this.paginator.setPage(1);

            }

        };

        })();

    (function () {

        var Paginator = YAHOO.widget.Paginator,

            l         = YAHOO.lang,

            setId     = YAHOO.util.Dom.generateId;

        Paginator.ui.MyLastPageLink = function (p) {

            this.paginator = p;

            p.subscribe('recordOffsetChange',this.update,this,true);

            p.subscribe('rowsPerPageChange',this.update,this,true);

            p.subscribe('totalRecordsChange',this.update,this,true);

            p.subscribe('destroy',this.destroy,this,true);

            // TODO: make this work

            p.subscribe('lastPageLinkLabelChange',this.update,this,true);

            p.subscribe('lastPageLinkClassChange', this.update,this,true);

        };

        Paginator.ui.MyLastPageLink.init = function (p) {

            p.setAttributeConfig('lastPageLinkLabel', {

                value : -1,

                validator : l.isString

            });

            p.setAttributeConfig('lastPageLinkClass', {

                value : 'yui-pg-last',

                validator : l.isString

            });

            p.setAttributeConfig('lastPageLinkTitle', {

                value : 'Last Page',

                validator : l.isString

            });

        };

        Paginator.ui.MyLastPageLink.prototype = {

            current   : null,

            leftmost_page: null,

            rightmost_page: null,

            link      : null,

            span      : null,

            dotdot    : null,

            na        : null,

            getPos    : function(cur_page, max_page, items){

                var edge = parseInt(items / 2) + 1;

                if (cur_page <= edge){

                    var radius = Math.max(parseInt(items / 2), items - cur_page);

                }

                else if ((max_page - cur_page) < edge) {

                    var radius = (items - 1) - (max_page - cur_page);

                }

                else{

                    var radius = parseInt(items / 2);

                }

                var left = Math.max(1, (cur_page - (radius)))

                var right = Math.min(max_page, cur_page + (radius))

                return [left, cur_page, right]

            },

            render : function (id_base) {

                var p      = this.paginator,

                    c      = p.get('lastPageLinkClass'),

                    label  = p.get('lastPageLinkLabel'),

                    last   = p.getTotalPages(),

                    title  = p.get('lastPageLinkTitle');

                var _pos = this.getPos(p.getCurrentPage(), p.getTotalPages(), 5);

                this.leftmost_page = _pos[0];

                this.rightmost_page = _pos[2];

                this.link = document.createElement('a');

                this.span = document.createElement();

                this.na   = this.span.cloneNode(false);

                setId(this.link, id_base + '-last-link');

                this.link.href      = '#';

                this.link.className = c;

                this.link.innerHTML = label;

                this.link.title     = title;

                YAHOO.util.Event.on(this.link,'click',this.onClick,this,true);

                setId(this.span, id_base + '-last-span');

                this.span.className = c;

                this.span.innerHTML = label;

                setId(this.na, id_base + '-last-na');

                if (this.rightmost_page < p.getTotalPages()){

                    this.current = this.link;

                }

                else{

                    this.current = this.span;

                }

                this.current.innerHTML = p.getTotalPages();

                return this.current;

            },

            update : function (e) {

                var p      = this.paginator;

                var _pos = this.getPos(p.getCurrentPage(), p.getTotalPages(), 5);

                this.leftmost_page = _pos[0];

                this.rightmost_page = _pos[2];

                if (e && e.prevValue === e.newValue) {

                    return;

                }

                var par   = this.current ? this.current.parentNode : null,

                    after = this.link;

                if (par) {

                    // only show the last page if the rightmost one is

                    // lower, so we don't have doubled entries at the end

                    if (!(this.rightmost_page < p.getTotalPages())){

                        after = this.span

                    }

                    if (this.current !== after) {

                        par.replaceChild(after,this.current);

                        this.current = after;

                    }

                }

                this.current.innerHTML = this.paginator.getTotalPages();

            },

            destroy : function () {

                YAHOO.util.Event.purgeElement(this.link);

                this.current.parentNode.removeChild(this.current);

                this.link = this.span = null;

            },

            onClick : function (e) {

                YAHOO.util.Event.stopEvent(e);

                this.paginator.setPage(this.paginator.getTotalPages());

            }

        };

        })();

    var pagi = new YAHOO.widget.Paginator({

        rowsPerPage: links_per_page,

        alwaysVisible: false,

        template : "{PreviousPageLink} {MyFirstPageLink} {PageLinks} {MyLastPageLink} {NextPageLink}",

        pageLinks: 5,

        containerClass: 'pagination-wh',

        currentPageClass: 'pager_curpage',

        pageLinkClass: 'pager_link',

        nextPageLinkLabel: '>',

        previousPageLinkLabel: '<',

        containers:containers

    })

    return pagi

}

    paginator: YUI_paginator(25, ['user-paginator']),

        paginator: YUI_paginator(50, ['user-paginator']),

          paginator: YUI_paginator(${c.visual.dashboard_items},['user-paginator']),

          paginator: YUI_paginator(25, ['watched-user-paginator']),

          paginator: YUI_paginator(25, ['user-paginator']),