// Global variables
var lastSearch = new Array();
var isSearching = 0;

function showResults() {
  initAdmin();
  setDateLink();
  setFields();
  setLegend();
  showElem('results');
  isSearching=0;
  checkVersion();
}

function doSearching() {
//  hideElem('watermark');
  var html ='<div style="width:100%;text-align:center;vertical-align:top;">';
      html+='Searching...';
      html+='</div>';
  document.getElementById('menu_dates').innerHTML='';
  document.getElementById('menu_fields').innerHTML=html;
  document.getElementById('results').innerHTML='';
  elemLegend.innerHTML='';
  isSearching=1;
  hideFloaterNow();
  if (getCookie('autohide')==1) hideSearch();
}

// The actual search wrapper
function getSearch(
  datelist,timelist,satlist,typelist,coverlist,schedlist,latlon
) {
  lastSearch['datelist']=datelist;
  lastSearch['timelist']=timelist;
  lastSearch['satlist']=satlist;
  lastSearch['typelist']=typelist;
  lastSearch['coverlist']=coverlist;
  lastSearch['schedlist']=schedlist;
  lastSearch['latlon']=latlon;
  var vars=new Array();
  // Search criteria
  var d = new Date();
  vars.push('refresh='+d.getTime());
  vars.push('admin='+isAdmin());
  vars.push('offsettz='+offsetTZ);
  vars.push('dates='+datelist);
  vars.push('times='+timelist);
  vars.push('satkeys='+satlist);
  vars.push('typekeys='+typelist);
  vars.push('coverkeys='+coverlist);
  vars.push('schedkeys='+schedlist);
  vars.push('llfilt='+latlon);
  // Display options
  var list=getFieldsPrefs();
  for (i=0; i<list.length; i++) { vars.push(list[i]); }
  vars.push('d_collapse='+getCollapsedPref());
  doSearching();
  runAJAX('results_body.php',vars,'write','results','showResults()');
}
function reloadSearch() {
  if (!lastSearch['datelist']) {
    alert('No search to reload');
    return;
  }
  getSearch(
    lastSearch['datelist'],
    lastSearch['timelist'],
    lastSearch['satlist'],
    lastSearch['typelist'],
    lastSearch['coverlist'],
    lastSearch['schedlist'],
    lastSearch['latlon']
  );
}
function setDateLink() {
  var table=document.getElementById('table_results');
  if (!table) return;

  var uniqueStrings=new Array();
  var dateStrings=new Array();
  var tbodies=table.getElementsByTagName('tbody');
  for (var i=0; i<tbodies.length; i++) {
    if (!tbodies[i].id.match(/^head_/)) continue;
    var spans=tbodies[i].getElementsByTagName("span");
    for (var j=0; j<spans.length; j++) {
      if (!spans[j].id.match(/^dayinfo_/)) continue;
      var parts=spans[j].innerHTML.split('|');
      var partString=parts[2];
      uniqueStrings[partString]=1;
    }
  }
  for (var dateString in uniqueStrings) {
    dateStrings.push(dateString);
  }
  dateStrings.sort(sortByDate);
  var lastDates=lastSearch['datelist'].split('|');
  if (lastDates[0]!=lastDates[1]) {
    printString=dateStrings.shift()+' &rarr; '+dateStrings.pop();
  }
  else {
    printString=dateStrings.shift();
    while (dateStrings.length > 0) printString+=', '+dateStrings.shift();
  }

  var linkinfo=document.getElementById('link_info');
  var linkstring;
  if (!linkinfo) linkstring='';
  else linkstring=linkinfo.value;

  var html ='<table class=unbordered style="width:100%;"><tr>';
      html+='<td class=d_search>';
      html+='<a id=link_element class=hidelink ';
      html+='href="'+linkstring+'" ';
      html+='title="Right-click to link to this search" ';
      html+='onClick="return(false);">';
      html+='<img src="inc/link.png" alt="Copy link" style="border:0px;">';
      html+=printString;
      html+='</a>';
      html+='</td>';
      html+='</tr></table>';
  document.getElementById('menu_dates').innerHTML=html;
}
function setFields() {
  var tbody=document.getElementById('body_1_1');
  if (!tbody) {
    var html='<div style="width:100%;text-align:center;">No matches</div>';
    document.getElementById('menu_fields').innerHTML=html;
    return;
  }
  var templateRow=tbody.rows[0];
  var cell=0;
  var html ='<table class=unbordered style="width:100%;"><tr>';
      html+='<td class=f_time_head style="';
      html+='width:'+getWidth(templateRow.cells[cell++])+'px;';
      html+='">Time (UTC)</td>';
      html+='<td class=f_time_head style="';
      html+='width:'+getWidth(templateRow.cells[cell++])+'px;';
      html+='"></td>';
      if (isAdmin()) {
        html+='<td class=f_admin style="';
        html+='width:'+getWidth(templateRow.cells[cell++])+'px;';
        html+='">Admin.</td>';
      }
      html+='<td class=f_type style="';
      html+='width:'+getWidth(templateRow.cells[cell++])+'px;';
      html+='">Type</td>';
      html+='<td class=f_coverage style="';
      html+='width:'+getWidth(templateRow.cells[cell++])+'px;';
      html+='">Coverage</td>';
      html+='<td class=f_schedule style="';
      html+='width:'+getWidth(templateRow.cells[cell++])+'px;';
      html+='">Schedule</td>';
      html+='<td class=f_band style="';
      html+='width:'+getWidth(templateRow.cells[cell++])+'px;';
      html+='">Bands</td>';
  if (getCookie('latlon')==1) {
      html+='<td class=f_latlon style="';
      html+='width:'+getWidth(templateRow.cells[cell++])+'px;';
      html+='">NW corner</td>';
      html+='<td class=f_latlon style="';
      html+='width:'+getWidth(templateRow.cells[cell++])+'px;';
      html+='">NE corner</td>';
      html+='<td class=f_latlon style="';
      html+='width:'+getWidth(templateRow.cells[cell++])+'px;';
      html+='">SW corner</td>';
      html+='<td class=f_latlon style="';
      html+='width:'+getWidth(templateRow.cells[cell++])+'px;';
      html+='">SE corner</td>';
  }
  if (getCookie('linele')==1) {
      html+='<td class=f_lineele style="';
      html+='width:'+getWidth(templateRow.cells[cell++])+'px;';
      html+='">N line</td>';
      html+='<td class=f_lineele style="';
      html+='width:'+getWidth(templateRow.cells[cell++])+'px;';
      html+='">S line</td>';
      html+='<td class=f_lineele style="';
      html+='width:'+getWidth(templateRow.cells[cell++])+'px;';
      html+='">W elem</td>';
      html+='<td class=f_lineele style="';
      html+='width:'+getWidth(templateRow.cells[cell++])+'px;';
      html+='">E elem</td>';
  }
  if (getCookie('index')==1) {
      html+='<td class=f_index style="';
      html+='width:'+getWidth(templateRow.cells[cell++])+'px;';
      html+='">Index file</td>';
  }
  if (getCookie('tape')==1) {
      html+='<td class=f_tape style="';
      html+='width:'+getWidth(templateRow.cells[cell++])+'px;';
      html+='">Tape name</td>';
      html+='<td class=f_position style="';
      html+='width:'+getWidth(templateRow.cells[cell++])+'px;';
      html+='">Position</td>';
  }
      html+='</tr></table>';
  document.getElementById('menu_fields').innerHTML=html;
}
function setLegend() {
  var table=document.getElementById('table_results');
  if (!table) return;

  var classes=new Array();
  var tbodies=table.getElementsByTagName('tbody');
  for (var i=0; i<tbodies.length; i++) {
    if (!tbodies[i].id.match(/^body_/)) continue;
    var trs=tbodies[i].getElementsByTagName("tr");
    for (var j=0; j<trs.length; j++) {
      if (trs[j].className=='') continue;
      var classname=trs[j].className;
      classes[classname]=1;
    }
  }

  // Sort--this is an object, so we are playing with properties
  var classlist=new Array();
  if (classes['online']!=null || isAdmin()) classlist.push('online');
  if (classes['offline']!=null || isAdmin()) classlist.push('offline');
  if (classes['received']!=null || isAdmin()) classlist.push('received');
  if (classes['missing']!=null || isAdmin()) classlist.push('missing');
  if (isAdmin()) classlist.push('rescue');
  if (classes['nodata']!=null || isAdmin()) classlist.push('nodata');

//DAVEP: Get rid of this after verifying that it works on all supported browsers
//  var fromLeft=Math.round( (getWidth(document.body)/2) -
//                           ((classlist.length*151)/2) );
//  var html ='<table class=unbordered style="margin-left:'+fromLeft+'px;">';
//      html+='<tr style="height:1.5em;">';

  var html ='<table class=unbordered ';
      html+=' style="margin-left:15%;width:70%;height:100%;"><tr>';

  for (var i=0; i<classlist.length; i++) {
    html+='<td class='+classlist[i]+' style="text-align:center;';
    html+='border-left:1px solid black;border-right:1px solid black;">';
    html+=getClassName(classlist[i])+'</td>';
  }
  html+='</tr></table>';
  elemLegend.innerHTML=html;
}
function getClassName(clsname) {
  switch (clsname) {
  case 'rescue':
    return('Rescued');
    break;
  case 'nodata':
    return('No data');
    break;
  case 'missing':
    return('Missing');
    break;
  case 'received':
    return('Received');
    break;
  case 'offline':
    return('Offline');
    break;
  case 'online':
    return('Online');
    break;
  default:
    return('Unknown');
    break;
  }
}
function checkVersion() {
  var theElem=document.getElementById('php_version');
  if (!theElem) return;
  var string ='A new version of this web page is available.\n';
      string+='Please press SHIFT+Reload to get the latest source.';
  if (theElem.innerHTML!=VERSION) alert(string);
}

function toggleBody(id) {
  var dt=document.getElementById('triangle_'+id);
  var tbody=document.getElementById('body_'+id);
  if (tbody.style.display!='none') {
    dt.src='inc/undisclosed.png';
    tbody.style.display='none';
  }
  else {
    dt.src='inc/disclosed.png';
    if (!isIE) { tbody.style.display='table-row-group'; }
    else { tbody.style.display='block'; }
  }
}

function toggleCollapse() {
  var table=document.getElementById('table_results');
  if (!table) return;
  var tbodies=table.getElementsByTagName('tbody');
  for (var i=0; i<tbodies.length; i++) {
    if (!tbodies[i].id.match(/^body_/)) continue;
    var fullIdx=tbodies[i].id.replace(/^body_/,'');
    if (tbodies[i].style.display!='none') toggleBody(fullIdx);
  }
}

function toggleExpand() {
  var table=document.getElementById('table_results');
  if (!table) return;
  var tbodies=table.getElementsByTagName('tbody');
  for (var i=0; i<tbodies.length; i++) {
    if (!tbodies[i].id.match(/^body_/)) continue;
    var fullIdx=tbodies[i].id.replace(/^body_/,'');
    if (tbodies[i].style.display=='none') toggleBody(fullIdx);
  }
}

function getBandToolTip(sat,type,band) {
  var info=allBandInfo[sat][type][band];
  if (info!=null) return(info);
  else return('No band information available');
}

function showThumbnail(theElem,sat,date,time,type,band,filename,coverage,count) {
  theElem.className='clicked';
  var link ='?sat='+sat+'&date='+date+'&time='+time+'&type='+type+'&band='+band;
      link+='&thefilename='+filename+'&coverage='+coverage+'&count='+count;
      link+='&offsettz='+offsetTZ;
  var thumb='thumbnail.php'+link;
  if (isAdmin()) thumb='admin/'+thumb;
  var full='image.php'+link;
  if (isAdmin()) full='admin/'+full;
  if (getCookie('showpreview')==2) {
    window.open(full);
    return;
  }
  showFloater(theElem);
  getThumbnail(thumb,full);
}
function hideThumb() {
  hideFloater();
}

function showProblems(theElem,sat,date,time,type) {
  theElem.className='clicked';
  showFloater(theElem);
  getProblems(sat,date,time,type);
}
function hideProblems() {
  hideFloater();
}

function showStitches(theElem,sat,date,time,type) {
  showFloater(theElem);
  getStitches(sat,date,time,type);
}
function hideStitches() {
  hideFloater();
}

function sortByDate(a,b) {
  var aParts=a.split(' ');
  var bParts=b.split(' ');
  return (aParts[2] - bParts[2]);
}