# -*- coding: iso-8859-1 -*-
# vim:autoindent:tabstop=4:softtabstop=4:shiftwidth=4:expandtab:filetype=python:
# -----------------------------------------------------------------------
# guide.rpy - Web interface to the Freevo EPG.
# -----------------------------------------------------------------------
# $Id: guide.rpy 10268 2008-01-07 22:19:51Z duncan $
#
# Notes:
# Todo:
#
# -----------------------------------------------------------------------
# Freevo - A Home Theater PC framework
# Copyright (C) 2002 Krister Lagerstrom, et al.
# Please see the file freevo/Docs/CREDITS for a complete list of authors.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MER-
# CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# -----------------------------------------------------------------------

import sys, string
import time

from www.web_types import HTMLResource, FreevoResource
from twisted.web.woven import page

import util.tv_util as tv_util
import util
import config
import tv.epg_xmltv
import tv.record_client as ri
from twisted.web import static

DEBUG = 0

TRUE = 1
FALSE = 0

class GuideResource(FreevoResource):

    def makecategorybox(self, chanlist):
        allcategories = []
        for chan in chanlist:
            for prog in chan.programs:
                if prog.categories:
                    allcategories.extend(prog.categories)
        if allcategories:
            allcategories=util.unique(allcategories)
            allcategories.sort()
        else:
            return ''
        retval = '<select name="category">' + "\n"
        for cat in allcategories:
            retval += '<option value="%s" ' % cat
            retval += '>%s' % cat
            retval += "\n"
        retval += '</select>' + "\n"
        return retval

    def maketimejumpboxday(self, gstart):
        retval='<select name="day">\n'
        myt = time.time()
        myt_t = time.localtime(myt)
        gstart_t = time.localtime(gstart)
        myt = time.mktime((myt_t[0], myt_t[1], myt_t[2], 0, 0, 5,
                           myt_t[6], myt_t[7], -1))
        listh = tv_util.when_listings_expire()
        if listh == 0:
            return retval + '</select>\n'
        listd = int((listh/24)+2)
        for i in range(1, listd):
            retval += '<option value="' + str(myt) + '"'
            myt_t = time.localtime(myt)
            if (myt_t[0] == gstart_t[0] and \
                myt_t[1] == gstart_t[1] and \
                myt_t[2] == gstart_t[2]):
                retval += ' SELECTED '
            retval += '>' + time.strftime('%a %b %d', myt_t) + '\n'
            myt += 60*60*24
        retval += '</select>\n'
        return retval


    def maketimejumpboxoffset(self, gstart):
        retval = '<select name="offset">\n'
        myt = gstart
        myt_t = time.localtime(myt)
        hrstart = time.mktime((myt_t[0], myt_t[1], myt_t[2], 0, 0, 5,
                               myt_t[6], myt_t[7], -1))
        hrinc = hrstart
        hrstop = hrstart + (60*60*24)
        while (hrinc < hrstop):
            myoff = hrinc - hrstart
            retval += '<option value="' + str(myoff) + '"'
            if (abs(gstart - hrinc) < 60):
                retval += ' SELECTED '
            retval += '>' + time.strftime(config.TV_TIME_FORMAT, time.localtime(hrinc)) + '\n'
            hrinc += config.WWW_GUIDE_INTERVAL * 60
        retval += '</select>\n'
        return retval


    def _render(self, request):
        fv = HTMLResource()
        form = request.args

        INTERVAL = config.WWW_GUIDE_INTERVAL * 60
        PRECISION = config.WWW_GUIDE_PRECISION * 60
        cpb = INTERVAL / PRECISION # cols per block/interval
        n_cols = config.WWW_GUIDE_COLS

        mfrguidestart = time.time()
        mfrguideinput = fv.formValue(form, 'stime')
        mfrguideinputday = fv.formValue(form, 'day')
        mfrguideinputoff = fv.formValue(form, 'offset')
        if mfrguideinput:
            mfrguidestart = int(mfrguideinput)
        elif mfrguideinputday and mfrguideinputoff:
            mfrguidestart = float(mfrguideinputday) + float(mfrguideinputoff)
        now = int(mfrguidestart / INTERVAL) * INTERVAL
        now2 = int(time.time() / INTERVAL) * INTERVAL
        mfrnextguide = now + INTERVAL * n_cols
        mfrnextguide += 10
        mfrprevguide = now - INTERVAL * n_cols
        mfrprevguide += 10
        if mfrprevguide < now2:
            mfrprevguide = 0

        guide = tv.epg_xmltv.get_guide()
        (got_schedule, schedule) = ri.getScheduledRecordings()
        if got_schedule:
            schedule = schedule.getProgramList()

        fv.printHeader(_('TV Guide'), config.WWW_STYLESHEET, config.WWW_JAVASCRIPT, selected=_('TV Guide'))
        fv.res += '<div id="content">\n';
        fv.res += '&nbsp;<br/>\n'
        if not got_schedule:
            fv.printMessages(
                [ '<b>'+_('ERROR')+'</b>: '+_('Recording server is unavailable.') ]
                )

        desc = ''

        fv.tableOpen()
        fv.tableRowOpen('class="chanrow"')
        fv.tableCell('<form>'+_('Time')+':&nbsp;' + self.maketimejumpboxday(now) + self.maketimejumpboxoffset(now) + '<input type=submit value="'+_('View')+'"></form>', 'class="utilhead"')
        categorybox =  self.makecategorybox(guide.chan_list)
        if categorybox:
            fv.tableCell('<form action="genre.rpy">'+_('Show')+'&nbsp;'+_('Category')+':&nbsp;'+categorybox+'<input type=submit value="'+_('Change')+'"></form>', 'class="utilhead"')
        fv.tableRowClose()
        fv.tableClose()

        fv.tableOpen('id="guide" cols=\"%d\"' % \
                     ( n_cols*cpb + 1 ) )
        showheader = 0
        for chan in guide.chan_list:
            #put guidehead every X rows
            if showheader % 15 == 0:
                fv.tableRowOpen('class="chanrow"')
                headerstart = int(mfrguidestart / INTERVAL) * INTERVAL
                fv.tableCell(time.strftime('%b %d', time.localtime(headerstart)), 'class="guidehead"')
                for i in range(n_cols):
                    if i == n_cols-1 or i == 0:
                        dacell = ''
                        datime = time.strftime(config.TV_TIME_FORMAT, time.localtime(headerstart))
                        if i == n_cols-1:
                            dacell = datime + '&nbsp;&nbsp;<a href="guide.rpy?stime=%i">&raquo;</a>' % mfrnextguide
                        else:
                            if mfrprevguide > 0:
                                dacell = '<a href="guide.rpy?stime=%i">&laquo;</a>&nbsp;&nbsp;' % mfrprevguide + datime
                            else:
                                dacell = datime
                        fv.tableCell(dacell, 'class="guidehead"  colspan="%d"' % cpb)
                    else:
                        fv.tableCell(time.strftime(config.TV_TIME_FORMAT, time.localtime(headerstart)),
                                     'class="guidehead" colspan="%d"' % cpb)
                    headerstart += INTERVAL
                fv.tableRowClose()
            showheader+= 1

            rowdata = []
            now = mfrguidestart
            # chan.displayname = string.replace(chan.displayname, "&", "SUB")
            rowdata.append("<tr class='chanrow'>")
            channel_link = '<a href="guidechannel.rpy?channel=%s">%s</a>' % (chan.displayname,chan.displayname)
            rowdata.append("<td class='channel'>%s</td>" % channel_link)
            #rowdata.append("<td class='channel'>%s</td>" % chan.displayname)
            c_left = n_cols * cpb

            if not chan.programs:
                rowdata.append('<td class="programnodata" colspan="%s">&laquo; ' % (n_cols*cpb) + _('This channel has no data loaded') + ' &raquo;' )

            for prog in chan.programs:
                if prog.stop > mfrguidestart and \
                   prog.start < mfrnextguide and \
                   c_left > 0:

                    status = 'program'

                    if got_schedule:
                        (result, message) = ri.isProgScheduled(prog, schedule)
                        if result:
                            status = 'scheduled'
                            really_now = time.time()
                            if prog.start <= really_now and prog.stop >= really_now:
                                # in the future we should REALLY see if it is
                                # recording instead of just guessing
                                status = 'recording'

                    if prog.start <= now and prog.stop >= now:
                        cell = ""
                        if prog.start <= now - INTERVAL:
                            # show started earlier than the guide start,
                            # insert left arrows
                            cell += '&laquo; '
                        showtime_left = int(prog.stop - now + ( now % INTERVAL ) )
                        intervals = showtime_left / PRECISION
                        colspan = intervals
                        # prog.title = string.replace(prog.title, "&", "SUB")
                        # prog.desc = string.replace(prog.desc, "&", "SUB")
                        cell += '%s' % prog.title
                        if colspan > c_left:
                            # show extends past visible range,
                            # insert right arrows
                            cell += '   &raquo;'
                            colspan = c_left
                        popid = '%s:%s' % (prog.channel_id, prog.start)

                        style = ''
                        if colspan == n_cols * cpb:
                            style += 'text-align: center; '

                        rowdata.append('<td class="%s" onclick="guide_click(this, event)" id="%s" colspan="%s", style="%s">%s</td>' % (status, popid, colspan, style, cell))
                        now += colspan * PRECISION
                        c_left -= colspan

            rowdata.append("</tr>")
            fv.res += string.join(rowdata, "\n")
        fv.tableClose()

        fv.printSearchForm()
        fv.printLinks()
        fv.res += '</div>'
        fv.res += (
            u"<div id=\"popup\" class=\"proginfo\" style=\"display:none\">\n"\
            u"<div id=\"program-waiting\" style=\"background-color: #0B1C52; position: absolute\">\n"\
            u"  <br /><b>Fetching program information ...</b>\n"\
            u"</div>\n"\
            u"   <table id=\"program-info\" class=\"popup\">\n"\
            u"      <thead>\n"\
            u"         <tr>\n"\
            u"            <td id=\"program-title\">\n"\
            u"            </td>\n"\
            u"         </tr>\n"\
            u"      </thead>\n"\
            u"      <tbody>\n"\
            u"         <tr>\n"\
            u"            <td class=\"progdesc\" id=\"program-desc\">\n"\
            u"            </td>\n"\
            u"         </tr>\n"\
            u"         <tr>\n"\
            u"         <td class=\"progtime\">\n"\
            u"            <b>"+_('Start')+u":</b> <span id=\"program-start\"></span>, \n"\
            u"            <b>"+_('Stop')+u":</b> <span id=\"program-end\"></span>, \n"\
            u"            <b>"+_('Runtime')+u":</b> <span id=\"program-runtime\"></span> min\n"\
            u"            </td>\n"\
            u"         </td>\n"\
            u"      </tbody>\n"\
            u"      <tfoot>\n"\
            u"         <tr>\n"\
            u"            <td>\n"\
            u"               <table class=\"popupbuttons\">\n"\
            u"                  <tbody>\n"\
            u"                     <tr>\n"\
            u"                        <td id=\"program-record-button\">\n"\
            u"                           "+_('Record')+u"\n"\
            u"                        </td>\n"\
            u"                        <td id=\"program-favorites-button\">\n"\
            u"                        "+_('Add to Favorites')+u"\n"\
            u"                        </td>\n"\
            u"                        <td onclick=\"program_popup_close();\">\n"\
            u"                        "+_('Close Window')+u"\n"\
            u"                        </td>\n"\
            u"                     </tr>\n"\
            u"                  </tbody>\n"\
            u"               </table>\n"\
            u"            </td>\n"\
            u"         </tr>\n"\
            u"      </tfoot>\n"\
            u"   </table>\n"\
            u"</div>\n" )
        fv.res += "<iframe id='hidden' style='visibility: hidden; width: 1px; height: 1px'></iframe>\n"
        fv.printFooter()

        return String( fv.res )


resource = GuideResource()
