function sendRequest(url, method, data) {
  var d = $.Deferred();

  method = method || "GET";

  $.ajax(url, {
    method: method || "GET",
    data: data,
    cache: false,
    xhrFields: { withCredentials: true }
  }).done(function(result) {
    d.resolve(method === "GET" ? result.data : result);         
  }).fail(function(xhr) {
    d.reject(xhr.responseJSON ? xhr.responseJSON.Message : xhr.statusText);
  });

  return d.promise();
}

function potvrzovaciDialog(zprava, souhlas, odmitnuti) {
  return DevExpress.ui.dialog.custom({
    messageHtml: zprava, 
    showTitle: false, 
    buttons: [{
      text: souhlas, 
      onClick: function() {
        return true;
      }
    }, {
      text: odmitnuti, 
      onClick: function() {
        return false;
      }
    }]
  });
}

function informacniOkno(zprava, tlacitko) {
  return DevExpress.ui.dialog.custom({
    messageHtml: zprava, 
    showTitle: false, 
    buttons: [{
      text: tlacitko, 
      onClick: function() {
        return true;
      }
    }]
  });
}

function sha1 (str) {
  // discuss at: https://locutus.io/php/sha1/
  // original by: Webtoolkit.info (https://www.webtoolkit.info/)
  // improved by: Michael White (https://getsprink.com)
  // improved by: Kevin van Zonneveld (https://kvz.io)
  // input by: Brett Zamir (https://brett-zamir.me)

  var hash
  try {
    var crypto = require('crypto')
    var sha1sum = crypto.createHash('sha1')
    sha1sum.update(str)
    hash = sha1sum.digest('hex')
  } catch (e) {
    hash = undefined
  }

  if (hash !== undefined) {
    return hash
  }

  var _rotLeft = function (n, s) {
    var t4 = (n << s) | (n >>> (32 - s))
    return t4
  }

  var _cvtHex = function (val) {
    var str = ''
    var i
    var v

    for (i = 7; i >= 0; i--) {
      v = (val >>> (i * 4)) & 0x0f
      str += v.toString(16)
    }
    return str
  }

  var blockstart
  var i, j
  var W = new Array(80)
  var H0 = 0x67452301
  var H1 = 0xEFCDAB89
  var H2 = 0x98BADCFE
  var H3 = 0x10325476
  var H4 = 0xC3D2E1F0
  var A, B, C, D, E
  var temp

  // utf8_encode
  str = unescape(encodeURIComponent(str))
  var strLen = str.length

  var wordArray = []
  for (i = 0; i < strLen - 3; i += 4) {
    j = str.charCodeAt(i) << 24 |
      str.charCodeAt(i + 1) << 16 |
      str.charCodeAt(i + 2) << 8 |
      str.charCodeAt(i + 3)
    wordArray.push(j)
  }

  switch (strLen % 4) {
    case 0:
      i = 0x080000000
      break
    case 1:
      i = str.charCodeAt(strLen - 1) << 24 | 0x0800000
      break
    case 2:
      i = str.charCodeAt(strLen - 2) << 24 | str.charCodeAt(strLen - 1) << 16 | 0x08000
      break
    case 3:
      i = str.charCodeAt(strLen - 3) << 24 |
        str.charCodeAt(strLen - 2) << 16 |
        str.charCodeAt(strLen - 1) <<
      8 | 0x80
      break
  }

  wordArray.push(i)

  while ((wordArray.length % 16) !== 14) {
    wordArray.push(0)
  }

  wordArray.push(strLen >>> 29)
  wordArray.push((strLen << 3) & 0x0ffffffff)

  for (blockstart = 0; blockstart < wordArray.length; blockstart += 16) {
    for (i = 0; i < 16; i++) {
      W[i] = wordArray[blockstart + i]
    }
    for (i = 16; i <= 79; i++) {
      W[i] = _rotLeft(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16], 1)
    }

    A = H0
    B = H1
    C = H2
    D = H3
    E = H4

    for (i = 0; i <= 19; i++) {
      temp = (_rotLeft(A, 5) + ((B & C) | (~B & D)) + E + W[i] + 0x5A827999) & 0x0ffffffff
      E = D
      D = C
      C = _rotLeft(B, 30)
      B = A
      A = temp
    }

    for (i = 20; i <= 39; i++) {
      temp = (_rotLeft(A, 5) + (B ^ C ^ D) + E + W[i] + 0x6ED9EBA1) & 0x0ffffffff
      E = D
      D = C
      C = _rotLeft(B, 30)
      B = A
      A = temp
    }

    for (i = 40; i <= 59; i++) {
      temp = (_rotLeft(A, 5) + ((B & C) | (B & D) | (C & D)) + E + W[i] + 0x8F1BBCDC) & 0x0ffffffff
      E = D
      D = C
      C = _rotLeft(B, 30)
      B = A
      A = temp
    }

    for (i = 60; i <= 79; i++) {
      temp = (_rotLeft(A, 5) + (B ^ C ^ D) + E + W[i] + 0xCA62C1D6) & 0x0ffffffff
      E = D
      D = C
      C = _rotLeft(B, 30)
      B = A
      A = temp
    }

    H0 = (H0 + A) & 0x0ffffffff
    H1 = (H1 + B) & 0x0ffffffff
    H2 = (H2 + C) & 0x0ffffffff
    H3 = (H3 + D) & 0x0ffffffff
    H4 = (H4 + E) & 0x0ffffffff
  }

  temp = _cvtHex(H0) + _cvtHex(H1) + _cvtHex(H2) + _cvtHex(H3) + _cvtHex(H4)
  return temp.toLowerCase()
}

function numberFormat(number, decimals, decimal_point, thousands_separator) {   // ekvivalent php funkce number_format pro formatovani vypisu cisel
  number = (number + '').replace(/,/g, '.').replace(/[^0-9+\-Ee.]/g, '');
  var n = !isFinite(+number) ? 0 : +number,
      prec = !isFinite(+decimals) ? 0 : Math.abs(decimals),
      sep = (typeof thousands_separator === 'undefined') ? ',' : thousands_separator,
      dec = (typeof decimal_point === 'undefined') ? '.' : decimal_point,
      s = '',
      toFixedFix = function (n, prec) {
        var k = Math.pow(10, prec);
        return '' + Math.round(n * k) / k;
      };
  // Fix for IE parseFloat(0.55).toFixed(0) = 0;
  s = (prec ? toFixedFix(n, prec) : '' + Math.round(n)).split('.');
  if (s[0].length > 3) {
    s[0] = s[0].replace(/\B(?=(?:\d{3})+(?!\d))/g, sep);
  }
  if ((s[1] || '').length < prec) {
    s[1] = s[1] || '';
    s[1] += new Array(prec - s[1].length + 1).join('0');
  }
  return s.join(dec);
}

function numberPostCode(number) {
  return number.substring(0,3) + ' ' + number.substring(3,5);
}

function confirmExpiredAuthorization() {
  var mujPotvrzovaciDialog = potvrzovaciDialog('Došlo k automatickému odhlášení.', 'Přihlásit', 'Zavřít');
  mujPotvrzovaciDialog.show().done(function(vysledekDialogu) {
    if (vysledekDialogu) {                                                      
      window.location.href = 'login.php';
    } else {
      $('#hlaseni').html('<marquee>Došlo k odhlášení od aplikace. Všechny následující akce neproběhnou korektně. Obnovte stránku.</marquee>');
    }
  });

}