var erc = {}; erc.cal_ver = "1.25"; // erc.calendar.js // 2011 Dec 13 Tu // ID: 1543 //
// this module used calendarius.js, fs.util.js

erc.c_millisecInDay = 1000 * 60 * 60 * 24;

erc.c_url = "/data/FS_list";
erc.c_formType = "100";
erc.c_color_sendWait = "#009900";
erc.c_color_normal   = "#000000";

erc.c_elemIdPrefix_date1 = "exch_rate_date1_"
erc.c_elemIdPrefix_date2 = "exch_rate_date2_"
erc.c_elemIdPrefix_rate1 = "exch_item_rate1_"
erc.c_elemIdPrefix_rate2 = "exch_item_rate2_"
erc.c_elemIdPrefix_diffr = "exch_item_diffr_"
erc.c_elemIdPrefix_image = "exch_item_image_"

erc.ERCalendar = function() {
};

erc.setInput = function( argCalendarId ) {
  var calendNum = argCalendarId.substring( 6, argCalendarId.length );

  var elemIdDate1 = erc.c_elemIdPrefix_date1 + calendNum;
  var elemDate1 = document.getElementById( elemIdDate1 );
  var oldCalDate = elemDate1.innerHTML;
  var lsCalendar = LSCalendars[ argCalendarId ];

  var newCalDate = lsCalendar.getStrDate();

  erc.ERCal.setDatesColor( argCalendarId, erc.c_color_sendWait );
  //
  if (oldCalDate != newCalDate) {
    var formTypeStr = "ft="        + erc.c_formType;
    var calendIdStr = "&calendId=" + argCalendarId;           
    var dateStr     = "&date="     + newCalDate;
    var itemListStr = "&itemList=" + lsCalendar['itemList'];

    var urlParam = erc.c_url + "?" + formTypeStr + calendIdStr + dateStr + itemListStr;
    fs.Ajax_send( urlParam, erc.ERCal.onAnswer );
  }
  return true;
};

erc.ERCalendar.prototype.newLSCalendar = function( argDateSet ) {
  var calendar = new LSCalendar();
  var dateSet = calendar.str2Date( argDateSet );
  calendar.SetFormat( 'dd.mm.yyyy' );
  calendar.SetDate( dateSet );
  return calendar;
};

erc.ERCalendar.prototype.onAnswer = function( argXHR, argRespText ) {
  //
  if ((argXHR.status == 200) && !!argRespText) {
    try {
      var respData = eval( "(" + argRespText + ")");

      if (!respData.resOk) {
        alert("Ошибки в данных, полученных с сервера");
      }
      else {
        erc.ERCal.onAnswer_setData( respData );
      }
    }
    catch(e) {
      alert("Ошибки при ответе с сервера: \n" + e.toString() );
    }
  }
  else {
    alert("Ошибки при обращении к серверу: код " + argXHR.status);
  }
};

erc.ERCalendar.prototype.onAnswer_setData = function( argRespData ) {
  var calendId  = argRespData["calendId"];
  var calendNum = calendId.substring( 6, calendId.length );

  fs.Elem_set( erc.c_elemIdPrefix_date1, calendNum, argRespData["date1"], fs.c_elemKind_span );
  fs.Elem_set( erc.c_elemIdPrefix_date2, calendNum, argRespData["date2"], fs.c_elemKind_span );

  var itemList = argRespData["itemList"];
  //
  for (var n=0; n<itemList.length; n++) {
    var item = itemList[n];
    var itemSuffix = calendNum + "_" + item['itemId'];
    fs.Elem_set( erc.c_elemIdPrefix_rate1, itemSuffix, item["rate1"], fs.c_elemKind_span );
    fs.Elem_set( erc.c_elemIdPrefix_rate2, itemSuffix, item["rate2"], fs.c_elemKind_span );
    fs.Elem_set( erc.c_elemIdPrefix_diffr, itemSuffix, item["diffr"], fs.c_elemKind_span );
  }
  this.setDatesColor( calendId, erc.c_color_normal );
};

erc.ERCalendar.prototype.setDatesColor = function( argCalendarId, argColor ) {
  var calendNum = argCalendarId.substring( 6, argCalendarId.length );

  var dateId1 = erc.c_elemIdPrefix_date1 + calendNum;
  var dateId2 = erc.c_elemIdPrefix_date2 + calendNum;
  var dateElem1 = document.getElementById( dateId1 );
  var dateElem2 = document.getElementById( dateId2 );

  if (!!dateElem1) {
    dateElem1.style.color = argColor;
  }
  if (!!dateElem2) {
    dateElem2.style.color = argColor;
  }
};

erc.ERCalendar.prototype.show = function( argCalendarId, argItemsArray, argDateSet, argEvent ) {
  var calend = LSCalendars[ argCalendarId ];
  //
  if (calend == null) {
    calend = this.newLSCalendar( argDateSet );

    // by this we change behaviour standard calendar after user select date:
    // (see calednarius.v3.js - setInputByLSCalendar)
    calend['setInput'] = erc.setInput;

    calend['itemList'] = fs.Array_toStr( argItemsArray, "|" );
    LSCalendars[ argCalendarId ] = calend;
  }
  showCalendarForElement( argCalendarId, argEvent );
};


erc.ERCal = new erc.ERCalendar();