console.log('Loading...')

function trx_startbut (code) { return 'startbutton-' + code }
function trx_stopbut (code) { return 'stopbutton-' + code }
function trx_downbut (code) { return 'downloadbutton-' + code }
function trx_endbut (code) { return 'endbutton-' + code }

function trx_logarea (code) { return 'logarea-' + code }

function rs_button (code) { return 'button' + code }

function rs_trxarea (code) { return 'recarea-' + code }
function rs_trxname (code) { return 'name' }
function rs_buttonarea (code) { return 'butarea-' + code }
function rs_inputstart (code) { return 'starttime' }
function rs_inputend (code) { return 'endtime' }
function rs_formid (code) { return 'form-' + code }
function rs_dellink (code) { return 'dellink-' + code }
function rs_id (code) { return code }

var txt_start = 'Inizia'
var txt_stop = 'Ferma'
var txt_download = 'Scarica'

var srvaddr = '/'

var almostone = false
var noplusbotton = true

var rec_name_default = ''

/*
TODO: cambiare logica
Quando premo il primo tasto, faccio la crazione,
per ogni altro pulsante, faccio solo e sempre UPDATE
*/
/**
  * Perform Ajax async loading
  **/

function newformstr (recid, butflag = false) {
  var formid = rs_formid(recid)
  var str = '<form id="' + formid + '" name="' + formid + '" action="#">'

  if (butflag) {
    str = str + '<input type="button" name="' + trx_startbut(recid) + '" id="' + trx_startbut(recid) + '" '
    str = str + ' class="recbutton" value="Inizia" />'
    str = str + '<input type="button" name="' + trx_stopbut(recid) + '" id="' + trx_stopbut(recid) + '" '
    str = str + ' class="recbutton" value="Stop" />'
    str = str + '<input type="submit" name="' + trx_downbut(recid) + '" id="' + trx_downbut(recid) + '" '
    str = str + ' class="recbutton" value="Salva" />'
    str = str + '<input type="submit" name="' + trx_endbut(recid) + '" id="' + trx_endbut(recid) + '" '
    str = str + ' class="recbutton" value="Download" />'
  }

  str = str + '<input type="hidden" id="recid" name="recid" value="' + recid + '" />'
  str = str + '<input type="text" id="' + rs_trxname(recid) + '" name="' + rs_trxname(recid) + '" />'
  str = str + '<input type="text" id="' + rs_inputstart(recid) + '" name="' + rs_inputstart(recid) + '" />'
  str = str + '<input type="text" id="' + rs_inputend(recid) + '" name="' + rs_inputend(recid) + '" />'

  if (!butflag) {
    str = str + '<input type="button" name="' + trx_downbut(recid) + '" id="' + trx_downbut(recid) + '" '
    str = str + ' class="downloadbutton" value="scarica" />'
  }
    /*
    str = str + "<input type=\"text\" id=\"name\" name=\"name\" />";
    str = str + "<input type=\"text\" id=\"starttime\" name=\"starttime\" />";
    str = str + "<input type=\"text\" id=\"endtime\" name=\"endtime\" /> ";
    */
  str = str + '</form>'

  return str
}

/**
*  GetActive Recs
**/

function rec_active (recid) {
  dataString = ''
  var request = RecAjax('search', dataString)

  request.done(function (data) {
    $.each(data, function (key, val) {
      console.log('Key ' + key + ' > VAL ' + val)
      $('#' + trx_logarea(recid)).append('Key ' + key + ' > VAL ' + val + '<br>')
    })

    console.log('Req OK: ' + data)
        // console.log("request"+ req);
    ChangeState(recid, trx_downbut(recid), trx_endbut(recid))
  })
}

/**
  *  New record
  **/
function rec_new () {
  var myDate = new Date()
  console.log('New ID ' + myDate.getTime())
  var recid = 'rec-' + myDate.getTime()

  console.log('[rec_new] New Rec ' + recid)

  $('#buttonscontainer').append('<div id="' + rs_trxarea(recid) + '" class="recarea"> </div>')
  $('#' + rs_trxarea(recid)).append('<div id="' + rs_buttonarea(recid) + '" class="buttonarea"> </div>')
  console.log('[rec_new' + recid + '] add div (TRXArea, ButtonArea) ok ')

  var formid = rs_formid(recid)

  var str = newformstr(recid, butflag = true)
  $('#' + rs_buttonarea(recid)).append(str)

  $('#' + trx_stopbut(recid)).hide()
  $('#' + trx_downbut(recid)).hide()
  $('#' + trx_endbut(recid)).hide()

  console.log('[rec_new ' + recid + '] Form OK')

  $('#' + rs_buttonarea(recid)).append('<div class="dellinkarea" > <a href="#" id=' + rs_dellink(recid) + '> cancella</a> </div>')

    // INSERT AND POPULATE BUTTON AREA
  $('#' + rs_trxarea(recid)).append('<div id="' + trx_logarea(recid) + '" class="logarea"> Nuova trasmissione </div>')

    // Bind the Delete Links
  $('#' + rs_dellink(recid)).click(function () {
    console.log('Remove ' + rs_trxarea(recid) + '[ID' + recid + ']')
         // $("#"+rs_trxarea(recid)).remove();
    recDelete(recid, rs_trxarea(recid))
  })

    // FORM SUBMIT: THE REC IS STOPPEND AND MUST BE PROCESSED
  $('#' + formid).submit(function (event) {
        // Immediately, mark the end time (stop action)
    ChangeState(recid, trx_downbut(recid), trx_endbut(recid))

        // Force a Name
    while (true) {
      if ($('#' + rs_trxname(recid)).val() == '') {
        var tmpname = prompt('Nessun nome di trasmissione!!!')
        $('#' + rs_trxname(recid)).val(tmpname)
        $('#' + trx_logarea(recid)).append('Titolo: <b>' + tmpname + '</b> <br/>')
      } else { break }
    }

    event.preventDefault()

        // Update data (send to server) in order to save some information
    recUpdate(recid)

    recStart(recid)
  }) // End of form SUBMIT

    // Bind the STOP button
  $('#' + trx_stopbut(recid)).click(function (event) {
    event.preventDefault()
    ChangeState(recid, trx_stopbut(recid), trx_downbut(recid))
    recUpdate(recid)
  }) // End of STOP button

    // Bind the START button
  $('#' + trx_startbut(recid)).click(function (event) {
        // Immediately, mark the start time (start action) and send it to Server
    ChangeState(recid, trx_startbut(recid), trx_stopbut(recid))
    event.preventDefault()
    recNew(recid)
  }) // End of START button

  console.log('New form has been built.')
}

/* Delete Record */
function recDelete (recid, targetarea) {
  var formid = rs_formid(recid)
  var dataString = 'recid=' + recid

  console.log('Del rec: ' + dataString)
  var req_del = RecAjax('delete', dataString)

  req_del.done(function (data) {
    $.each(data, function (del_key, del_val) {
      console.log('K:V ' + del_key + ':' + del_val)

      if (del_key == 'message') {
        $('#' + targetarea).fadeOut(200, function () { $(this).remove() })
        console.log('delete area ' + rs_trxarea(key))
      }

      if (del_key == 'error') {
        alert('Impossibile cancellare elemento:\n' + del_val)
      }
    })
  })
}

/* New Record */
function recNew (recid) {
  var formid = rs_formid(recid)
  var dataString = $('#' + formid).serialize()

  console.log('New rec: ' + dataString)

  var request = RecAjax('create', dataString)

  request.done(function (data) {
    $.each(data, function (key, val) {
      console.log('Received (K:V) (' + key + ':' + val + ')')
      if (key == 'msg') {
        $('#' + trx_logarea(recid)).html('Nuova Registrazione </br> (recid:' + recid + ') </br>')
        $('#' + trx_logarea(recid)).append('Inizio: ' + $('#' + rs_inputstart(recid)).val() + '<br/>')
      }
      if (key == 'error') {
        $('#' + trx_logarea(recid)).html('Errore: impossibile creare una nuova registrazione' + val + ' </ br>')
      }
    })
  })
  return request
}

/* Update Record */
function recUpdate (recid) {
  var formid = rs_formid(recid)
  var dataString = $('#' + formid).serialize()
  console.log('Sending Ajax Update request: ' + dataString)

    // event.preventDefault();
  var request = RecAjax('update', dataString)
  request.done(function (data) {
    $.each(data, function (key, val) {
      console.log('recUpdate receive (k:v) (' + key + ':' + val + ')')

      if (key == 'message') {
        var str = ''
        str += '<b>RecID</b> ' + recid + '</br>'
        str += '<b>nome</b> ' + $('#' + rs_trxname(recid)).val() + '</br>'
        str += '<b>Inizio</b> ' + $('#' + rs_inputstart(recid)).val() + '</br>'
        str += '<b>Fine</b> ' + $('#' + rs_inputend(recid)).val() + '</br>'

        $('#' + trx_logarea(recid)).html(str)
                // if all elements have been recorded
        if ($('#' + rs_trxname(recid)).val() != '') {
          $('#' + trx_logarea(recid)).append('<b>In Elaborazione</b>')
        }
      }

      if (key == 'error') {
        $('#' + trx_logarea(recid)).append('Error:' + val + '<br>')
      }
    }) // end of each
  }) // end of request.done
}

/*
 *
 *  AJAX REQUEST
 *
 */
function RecAjax (apipath, dataString) {
  var srv = srvaddr + 'api/' + apipath
  var request = $.ajax({
    type: 'POST',
    cache: false,
    url: srv,
    data: dataString,
    dataType: 'json'
  })

  request.fail(function (jqXHR, textStatus, errorThrown) {
    console.error('The following error occured: ' + jqXHR.status + '-' + textStatus + '-' + errorThrown)
    if (jqXHR.status == 0 && jqXHR.readyState === 4) {
      alert('Errore di connessione, impossibile inviare i dati al server ' + srv)
    } else {
      alert('Error: ' + jqXHR.status + '\nTextStatus: ' + textStatus + '\n Ready State ' + jqXHR.readyState + '\n' + errorThrown)
    }
  })

  return request
}

/*
 *  GetNow (data parser)
 */
function getnow () {
  var myDate = new Date()
  var displayDate = myDate.getFullYear() + '/' + (myDate.getMonth() + 1) + '/' + myDate.getDate()
  displayDate = displayDate + ' ' + myDate.getHours() + ':' + myDate.getMinutes() + ':' + myDate.getSeconds()
  return displayDate
}

/*
FUNCTION: CHANGE STATE (gui)
*/
function ChangeState (recid, from, to) {
  console.log('ChangeState: ' + from + ' --> ' + to)

  $('#' + from).css('display', 'none')
  $('#' + to).css('display', 'inline')

  // take the date
  var displayDate = getnow()

  if (from == trx_startbut(recid)) {
    $('#' + rs_inputstart(recid)).val(displayDate)

    console.log('ChangeState: set ' + rs_inputstart(recid) + ' to ' + displayDate)
  }

  if (from == trx_stopbut(recid)) {
    $('#' + rs_inputend(recid)).val(displayDate)
    console.log("ChangeState: set '" + rs_inputend(recid) + "' to " + displayDate)
  }

  if (from == trx_downbut(recid)) {
    $('input[type=submit]').attr('disabled', 'disabled')
    console.log("ChangeState: set '" + rs_inputend(recid) + "' to " + displayDate)
  }
} // End function ChangeState

// vim: set ts=4 sw=4 et: