// Datei: pages/api/server.js

// Platzhalter-Objekt zur Ersetzung in den Skripten
const placeholders = {
  // Bestehende Platzhalter
  "<%=IS%>": "CPLV35ISMAIL",
  "<%=VHW%>": "CPL V3",
  //"<%=CS0%>": "5.1.1.0 C-24-KA, CPLV35ISMAIL", alte Version
  "<%=IP%>": "10.10.0.225, 255.255.255.0, 10.10.0.1",
  "<%=CA0%>": "223, 0, 7, 0, 10.10.0.22, 0",
  "<%=LI1%>": "1",
  "<%=LI2%>": "1",
  "<%=LI3%>": "0",
  "<%=LI4%>": "0",
  "<%=LI5%>": "1",
  "<%=LI6%>": "1",
  "<%=LI7%>": "0",
  "<%=LI8%>": "0",
  "<%=CE0%>": "0",
  "<%=Ox%>": "0,0,0",

  // last20Messages
  "<%=SAM01%>":
    "<tr><td>00985</td><td>02501</td><td>2024-09-18 07:40:39:000</td><td>Modul 16 Isofehler gehend</td><td>0</td></tr>" +
    "<tr><td>00984</td><td>02501</td><td>2024-09-18 07:40:35:000</td><td>Modul 16 Isofehler kommend</td><td>1</td></tr>" +
    "<tr><td>00983</td><td>02400</td><td>2024-09-18 07:39:17:000</td><td>Modul 15 Aderbruch kommend</td><td>1</td></tr>" +
    "<tr><td>00982</td><td>01000</td><td>2024-09-18 07:38:49:000</td><td>Modul 01 Aderbruch kommend</td><td>1</td></tr>" +
    "<tr><td>00981</td><td>00108</td><td>2024-09-18 07:38:44:000</td><td>Dig. Eingang 09 kommend</td><td>1</td></tr>" +
    "<tr><td>00980</td><td>00101</td><td>2024-09-18 07:38:44:000</td><td>Dig. Eingang 02 kommend</td><td>1</td></tr>" +
    "<tr><td>00979</td><td>00100</td><td>2024-09-18 07:38:44:000</td><td>Dig. Eingang 01 kommend</td><td>1</td></tr>" +
    "<tr><td>00978</td><td>02501</td><td>2024-09-17 16:40:55:000</td><td>Modul 16 Isofehler gehend</td><td>0</td></tr>" +
    "<tr><td>00977</td><td>02501</td><td>2024-09-17 16:40:51:000</td><td>Modul 16 Isofehler kommend</td><td>1</td></tr>" +
    "<tr><td>00976</td><td>02501</td><td>2024-09-17 16:25:55:000</td><td>Modul 16 Isofehler gehend</td><td>0</td></tr>" +
    "<tr><td>00975</td><td>02501</td><td>2024-09-17 16:25:51:000</td><td>Modul 16 Isofehler kommend</td><td>1</td></tr>" +
    "<tr><td>00974</td><td>02501</td><td>2024-09-17 16:10:57:000</td><td>Modul 16 Isofehler gehend</td><td>0</td></tr>" +
    "<tr><td>00973</td><td>02501</td><td>2024-09-17 16:10:53:000</td><td>Modul 16 Isofehler kommend</td><td>1</td></tr>" +
    "<tr><td>00972</td><td>00127</td><td>2024-09-17 16:05:51:000</td><td>Dig. Eingang 28 gehend</td><td>0</td></tr>" +
    "<tr><td>00971</td><td>00126</td><td>2024-09-17 16:05:51:000</td><td>Dig. Eingang 27 gehend</td><td>0</td></tr>" +
    "<tr><td>00970</td><td>00125</td><td>2024-09-17 16:05:51:000</td><td>Dig. Eingang 26 gehend</td><td>0</td></tr>" +
    "<tr><td>00969</td><td>00124</td><td>2024-09-17 16:05:51:000</td><td>Dig. Eingang 25 gehend</td><td>0</td></tr>" +
    "<tr><td>00968</td><td>00123</td><td>2024-09-17 16:05:50:000</td><td>Dig. Eingang 24 gehend</td><td>0</td></tr>" +
    "<tr><td>00967</td><td>00122</td><td>2024-09-17 16:05:50:000</td><td>Dig. Eingang 23 gehend</td><td>0</td></tr>" +
    "<tr><td>00966</td><td>00121</td><td>2024-09-17 16:05:50:000</td><td>Dig. Eingang 22 gehend</td><td>0</td></tr>",
  // deviceName
  "<%=SAN01%>": "CPLV4_ISM",
  // mac1
  "<%=SEM01%>": "0 48 86 81 46 157",
  // mac2
  "<%=SEM02%>": "0 48 86 81 46 158",
  // ip
  "<%=SEI01%>": "10.10.0.118",
  // subnet
  "<%=SES01%>": "255.255.255.0",
  // gateway
  "<%=SEG01%>": "10.10.0.1",
  // datetime
  "<%=SCL01%>": "09.01.00 04:05:24 Uhr",
  //  digitaler Eingänge de
  "<%=DES80%>": "1, 0, 0, 0, 0, 0, 0, 0",
  "<%=DES81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=DES82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=DES83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  //counter
  "<%=DEC80%>": "0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0",
  "<%=DEC81%>": "0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0",
  "<%=DEC82%>": "0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0",
  "<%=DEC83%>": "0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0",
  //flutter
  "<%=DEF80%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=DEF81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=DEF82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=DEF83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  //kueOnline
  "<%=KSO80%>": "1, 1, 1, 1, 1, 1, 1, 1",
  "<%=KSO81%>": "1, 1, 1, 1, 1, 1, 1, 1",
  "<%=KSO82%>": "1, 1, 1, 1, 1, 1, 1, 1",
  "<%=KSO83%>": "1, 1, 1, 1, 1, 1, 1, 1",
  /* 
  //kueID
  "<%=KSI80%>":
    "Kleefeld, Michael, Oldenburg, Modul 4, Modul 5, Hamburg, Modul 7, Slot 8",
  "<%=KSI81%>":
    "Modul 9, Modul 10, Modul 11, Modul 12, Modul 13, Modul 14, Modul 15, Modul 16",
  "<%=KSI82%>":
    "Modul 17, Modul 18, Modul 19, Modul 20, Modul 21, Modul 22, Modul 23, Modul 24",
  "<%=KSI83%>":
    "Modul 25, Modul 26, Modul 27, Modul 28, Modul 29, Modul 30, Modul 31, Modul 32",
     */
  //kueID
  "<%=KSI80%>": "1, 2, 3, 4, 5, 6, 7, 8",
  "<%=KSI81%>": "9, 10, 11, 12, 13, 14, 15, 16",
  "<%=KSI82%>": "17, 18, 19, 20, 21, 22, 23, 24",
  "<%=KSI83%>": "25, 26, 27, 28, 29, 30, 31, 32",
  //var kueName=[<%=KSA80%>,<%=KSA81%>,<%=KSA82%>,<%=KSA83%>];
  "<%=KSA80%>": "Rastede, Test2, Oldenburg, Test4, KUE5, KUE6, KUE7, KUE8",
  "<%=KSA81%>": ", , , , , , , ",
  "<%=KSA82%>": ", , , , , , , ",
  "<%=KSA83%>": ", , , , , , , ",

  //kueIso
  "<%=KIM80%>": "200, 200, 200, 200, 10, 10, 0, 10",
  "<%=KIM81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KIM82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KIM83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  // kueValid
  "<%=KIV80%>": "1, 1, 1, 1, 1, 1, 1, 1",
  "<%=KIV81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KIV82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KIV83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  // kueAlarm1
  "<%=KIA80%>": "0, 0, 0, 0, 0, 0, 0, 1",
  "<%=KIA81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KIA82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KIA83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  // kueAlarm2
  "<%=KRA80%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KRA81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KRA82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KRA83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  // kueRes
  "<%=KRM80%>": "65, 65, 65, 65, .3.676, 3.599, 0, 3..714",
  "<%=KRM81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KRM82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KRM83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  // kueCableBreak
  "<%=KSC80%>": "1, 1, 1, 1, 0, 0, 0, 0",
  "<%=KSC81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KSC82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KSC83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  // kueGroundFault
  "<%=KSG80%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KSG81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KSG82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KSG83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  // kueLimit1
  "<%=KIG80%>": "10, 10, 10, 10, 8, 0.6, 0, 999.9",
  "<%=KIG81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KIG82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KIG83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  // kueLimit2Low
  "<%=KRG80%>": "0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0, 0.1",
  "<%=KRG81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KRG82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KRG83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  // kueLimit2High
  "<%=KRH80%>": "1, 1, 1, 1, 1, 1, 0, 1",
  "<%=KRH81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KRH82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KRH83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  // kueDelay1
  "<%=KID80%>": "420, 420, 420, 420, 420, 420, 0, 420",
  "<%=KID81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KID82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KID83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  // kueLoopInterval
  "<%=KRI80%>": "6, 6, 6, 6, 6, 0, 0, 6",
  "<%=KRI81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KRI82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KRI83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  // kueVersion
  "<%=KIV80%>": "419, 419, 419, 419, 419, 419, 419, 419",
  "<%=KIV81%>": "419, 419, 419, 419, 419, 419, 419, 419",
  "<%=KIV82%>": "419, 419, 419, 419, 419, 419, 419, 419",
  "<%=KIV83%>": "419, 419, 419, 419, 419, 419, 419, 419",
  // tdrAtten
  "<%=KTD80%>": "2, 2, 2, 2, 2, 0, 0, 2",
  "<%=KTD81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KTD82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KTD83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  // tdrPulse
  "<%=KTP80%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KTP81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KTP82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KTP83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  // tdrSpeed
  "<%=KTS80%>": "100, 100, 100, 100, 100, 0, 0, 100",
  "<%=KTS81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KTS82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KTS83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  // tdrAmp
  "<%=KTA80%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KTA81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KTA82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KTA83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  // tdrTrigger
  "<%=KTE80%>": "80, 80, 80, 80, 80, 0, 0, 80",
  "<%=KTE81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KTE82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KTE83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  // tdrLocation
  "<%=KTF80%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KTF81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KTF82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KTF83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  // tdrActive
  "<%=KTX80%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KTX81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KTX82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KTX83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  // kueOverflow
  "<%=KIW80%>": "1, 1, 1, 1, 0, 0, 0, 0",
  "<%=KIW81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KIW82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KIW83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  // kue100V
  "<%=KSS80%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KSS81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KSS82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KSS83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  // kueResidence
  "<%=KSN80%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KSN81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KSN82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KSN83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  // tdrLastMeasurement
  "<%=KTL80%>": "03.09.24 12:28:15, 03.09.24 12:28:04, ?, ?, ?, ?, ?, ?",
  "<%=KTL81%>": "?, ?, ?, ?, ?, ?, ?, ?",
  "<%=KTL82%>": "?, ?, ?, ?, ?, ?, ?, ?",
  "<%=KTL83%>": "?, ?, ?, ?, ?, ?, ?, ?",
  // kueBooting
  "<%=KSB80%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KSB81%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KSB82%>": "0, 0, 0, 0, 0, 0, 0, 0",
  "<%=KSB83%>": "0, 0, 0, 0, 0, 0, 0, 0",
  //--------------------alte Platzhalter--------------------
  //status
  "<%=KS%>":
    "0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,1,0,1,1,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0", //status
  "<%=KE%>":
    "4873,0,0,0,0,2,65535,0,65535,64010,64010,0,0,5717,64010,0,0,0,0,0,0,0,0,0,0", //Schleifenwiderstand
  "<%=KX%>": "0,0,0,0,0,0,0,0,1,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0", //status2
  "<%=KY%>": "1,1,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0", //status3
  "<%=KF%>": "0,0,0,0,0,0,0,0,0,0,0,0,0,0,0", //TDR Entfernung
  "<%=KC%>":
    "'100','100','0','0','0','0','1','1','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0'", //TDR speed
  "<%=KW%>":
    "2000,100,420,0,100,420,0,100,420,0,100,1,0,100,420,55,160,26,0,100,420,0,100,420,2000,300,420,20100,100,420,20100,120,120,0,100,420,0,100,420,2000,100,420,20100,100,420,0,100,420,0,0,0,0,0,0,0,0,0,0,0,0,0,0", //Isolationswiderstand
  //Schleifengrenzwert
  "<%=KB0%>":
    " 20,2540,  0,  0, 10,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0", //Schleifengrenzwert

  "<%=KA%>":
    "0,1,2,3,4,5,6,7,8,9,10,255,255,255,255,255,255,255,255,255,255,255,255,255", //Adresse Steckplatz fängt von 0 an
  "<%=KV%>": "419,419,419,419,419,419,419,419,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0", //Version version /100
  //Beschreibungstext
  "<%=P90%>":
    "'kue1std','kue2std','kue3std','kue4std','kue5std','kue6std','kue7std','kue8std','kue9std','kue10std','kue11std','kue12std','kue13std','kue14std','kue15std','kue16std','kue17std','kue18std','kue19std','kue20std','kue21std','kue22std','kue23std','kue24std','kue25std','kue26std','kue27std','kue28std','kue29std','kue30std','kue31std','kue32std'", //Beschreibungstext
  //vorhandene Slots
  "<%=KN%>": "'32'", //vorhandene Slots
  "<%=KO%>": "8,8,8,8", // slotKonfig
  //werte // Enthält Isolationsgrenzwert und Meldeverzögerung
  "<%=KK0%>":
    "70,420,'nv','','nv','',100,1,'nv','',160,26,100,420,'nv','',300,420,100,420,120,120,'nv','','nv','',100,420,100,420,'nv','','nv','','nv','','nv','','nv','','nv','','nv','','nv','','nv'",
  // Störungsunterdrückung ja = 0 / nein = 1
  "<%=P91%>": "1,1,0,1,1,0,1,1,0,0,0,0,0,0,0,0,0,0,0,0",
  "<%=P93%>": "4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0", // Logger 0 bis 7 = 0 - 60 min
  "<%=P01%>": "1,2,5,10,15,30,60,0,0,0", // intervall
  "<%=P92%>": "-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,0,0,0,0,0,0,0,0", // behandlung
  // kvz
  "<%=K#%>":
    "0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0",
  // c_cpl ['5.1.2.3 C-24-KA-32DB']
  "<%=OC%>": "''5.1.2.3 C-24-KA-32DB'", // c_cpl
  //c_kue_adr
  "<%=OA%>":
    "'1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '', '0', '0', '14', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0'",
  //c_ewk_ver  (7) ['0', '0', '0', '0', '0', '0', '0']
  "<%=OF%>": "'0', '0', '0', '0', '0', '0', '0'", //c_ewk_ver
  // zustandEWK (7) ['0', '0', '0', '0', '0', '0', '0'] <%=OE%>
  "<%=OE%>": "'0', '0', '0', '0', '0', '0', '0'", //zustandEWK
  // user (5) ['admin', '1', '1', '1', '1'] <%=BS%>
  "<%=BS%>": "'admin', '1', '1', '1', '1'", //user
  // zustandModem (4) [0, 0, 0, 0] <%=LI3%>,<%=LI4%>,<%=LI7%>,<%=LI8%>
  //tdrTntfernung
  "<%=KF%>":
    "0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0",
  //var userStd = "<%=BU%>";
  "<%=BU%>": "user",

  //-----------------------------------
};

// Funktion zur Ersetzung von Platzhaltern im Skriptinhalt
function replacePlaceholders(content, placeholders) {
  for (const key in placeholders) {
    const value = placeholders[key];
    const regex = new RegExp(key, "g");
    content = content.replace(regex, value);
  }
  return content;
}

// API-Handler für alle Anfragen
export default function handler(req, res) {
  // Array mit erlaubten Ursprüngen
  const allowedOrigins = ["http://localhost:3001", "http://localhost:3002"];
  const origin = req.headers.origin;

  // Überprüfen, ob die Ursprungsadresse in der Liste der erlaubten Ursprünge ist
  if (allowedOrigins.includes(origin)) {
    res.setHeader("Access-Control-Allow-Origin", origin);
  } else {
    res.setHeader("Access-Control-Allow-Origin", "*"); // Erlaubt alle Ursprünge (optional)
  }

  res.setHeader(
    "Access-Control-Allow-Methods",
    "GET, POST, PUT, DELETE, OPTIONS"
  );
  res.setHeader("Access-Control-Allow-Headers", "Content-Type, Authorization");

  // Überprüfen, ob 'OPTIONS' Anfragen gesendet werden, um Preflight-Anfragen zu verarbeiten
  if (req.method === "OPTIONS") {
    return res.status(200).end();
  }

  const { query } = req;

  // Überprüfen, ob 'last20Messages.acp' als Parameter übergeben wurde
  if (query.hasOwnProperty("last20Messages.acp")) {
    let scriptContent = `
    //Allgemeine Variablen--------------------------------------
      window.last20Messages = "<%=SAM01%>";
      //---Name CPL, ID-------------------
      window.deviceName = "<%=SAN01%>";
      window.mac1 = "<%=SEM01%>";
      window.mac2 = "<%=SEM02%>";
      window.ip = "<%=SEI01%>";
      window.subnet = "<%=SES01%>";
      window.gateway = "<%=SEG01%>";
      //---Zeitsstempel der internen Uhr--------------------
      window.datetime = "<%=SCL01%>"; 
      //--Applikationsversion-------------------
      window.appVersion = "<%=SAV01%>";

    //---OPCUA--------------------------------------
      window.opcuaZustandServer = "<%=SOS01%>";
      window.opcuaConnectedUserCount = "<%=SOC01%>";
      window.opcuaNodeSet = "<%=SON01%>";
      window.ntpActive = "<%=STA%>";
      window.ntpServer1Ip = "<%=STP01%>";
      window.ntpServer2Ip = "<%=STP01>";
      window.ntpServer3Ip = "<%=STP01>";
      window.ntpTimezone = "<%=STT01%>";

    //Kabelüberwachung Allgemein--------------------------------------
      window.de = "<%=DES80%>, <%=DES81%>, <%=DES82%>, <%=DES83%>".split(',').map(Number);
      window.counter = "<%=DEC80%>, <%=DEC81%>, <%=DEC82%>, <%=DEC83%>".split(',').map(Number);
      window.flutter = "<%=DEF80%>, <%=DEF81%>, <%=DEF82%>, <%=DEF83%>".split(',').map(Number);
      window.kueOnline = "<%=KSO80%>, <%=KSO81%>, <%=KSO82%>, <%=KSO83%>".split(',').map(Number);
      window.kueID = "<%=KSI80%>, <%=KSI81%>, <%=KSI82%>, <%=KSI83%>".split(',').map(Number);
      window.kueName = "<%=KSA80%>, <%=KSA81%>, <%=KSA82%>, <%=KSA83%>".split(',');
      window.kueIso = "<%=KIM80%>, <%=KIM81%>, <%=KIM82%>, <%=KIM83%>".split(',').map(Number);
      window.kueValid = "<%=KIV80%>, <%=KIV81%>, <%=KIV82%>, <%=KIV83%>".split(',').map(Number);
      window.kueAlarm1 = "<%=KIA80%>, <%=KIA81%>, <%=KIA82%>, <%=KIA83%>".split(',').map(Number);
      window.kueAlarm2 = "<%=KRA80%>, <%=KRA81%>, <%=KRA82%>, <%=KRA83%>".split(',').map(Number);
      window.kueRes = "<%=KRM80%>, <%=KRM81%>, <%=KRM82%>, <%=KRM83%>".split(',').map(Number);
      window.kueCableBreak = "<%=KSC80%>, <%=KSC81%>, <%=KSC82%>, <%=KSC83%>".split(',').map(Number);
      window.kueGroundFault = "<%=KSG80%>, <%=KSG81%>, <%=KSG82%>, <%=KSG83%>".split(',').map(Number);
      window.kueLimit1 = "<%=KIG80%>, <%=KIG81%>, <%=KIG82%>, <%=KIG83%>".split(',').map(Number);
      window.kueLimit2Low = "<%=KRG80%>, <%=KRG81%>, <%=KRG82%>, <%=KRG83%>".split(',').map(Number);
      window.kueLimit2High = "<%=KRH80%>, <%=KRH81%>, <%=KRH82%>, <%=KRH83%>".split(',').map(Number);
      window.kueDelay1 = "<%=KID80%>, <%=KID81%>, <%=KID82%>, <%=KID83%>".split(',').map(Number);
      window.kueLoopInterval = "<%=KRI80%>, <%=KRI81%>, <%=KRI82%>, <%=KRI83%>".split(',').map(Number);
      window.kueVersion = "<%=KIV80%>, <%=KIV81%>, <%=KIV82%>, <%=KIV83%>".split(',').map(Number);
      window.tdrAtten = "<%=KTD80%>, <%=KTD81%>, <%=KTD82%>, <%=KTD83%>".split(',').map(Number);
      window.tdrPulse = "<%=KTP80%>, <%=KTP81%>, <%=KTP82%>, <%=KTP83%>".split(',').map(Number);
      window.tdrSpeed = "<%=KTS80%>,<%=KTS81%>,<%=KTS82%>,<%=KTS83%>".split(',').map(Number);
      window.tdrAmp = "<%=KTA80%>,<%=KTA81%>,<%=KTA82%>,<%=KTA83%>".split(',').map(Number);
      window.tdrTrigger = "<%=KTE80%>,<%=KTE81%>,<%=KTE82%>,<%=KTE83%>".split(',').map(Number);
      window.tdrLocation = "<%=KTF80%>,<%=KTF81%>,<%=KTF82%>,<%=KTF83%>".split(',').map(Number);
      window.tdrActive = "<%=KTX80%>,<%=KTX81%>,<%=KTX82%>,<%=KTX83%>".split(',').map(Number);
      window.kueOverflow = "<%=KIW80%>,<%=KIW81%>,<%=KIW82%>,<%=KIW83%>".split(',').map(Number);
      window.kue100V = "<%=KSS80%>,<%=KSS81%>,<%=KSS82%>,<%=KSS83%>".split(',').map(Number);
      window.kueResidence = "<%=KSN80%>,<%=KSN81%>,<%=KSN82%>,<%=KSN83%>".split(',').map(Number);
      window.tdrLastMeasurement = "<%=KTL80%>,<%=KTL81%>,<%=KTL82%>,<%=KTL83%>".split(',');
      window.kueBooting = "<%=KSB80%>,<%=KSB81%>,<%=KSB82%>,<%=KSB83%>".split(',').map(Number);

      window.status = "<%=KS%>".split(',').map(Number);
      window.schleifenwiderstand = "<%=KE%>".split(',').map(Number);
      window.status2 = "<%=KX%>".split(',').map(Number);
      window.status3 = "<%=KY%>".split(',').map(Number);
      window.tdrEntfernung = "<%=KF%>".split(',').map(Number);
      window.isolationswiderstand = "<%=KW%>".split(',').map(Number);
      window.schleifengrenzwert = "<%=KB0%>".split(',').map(Number);
      window.adresse = "<%=KA%>".split(',').map(Number);
      //window.version = "<%=KV%>".split(',').map(Number);
      window.version ="<%=KIV80%>, <%=KIV81%>, <%=KIV82%>, <%=KIV83%>".split(',').map(Number);
      window.beschreibungstext = "<%=P90%>".split(',');
      window.slotsCount = "<%=KN%>".split(',').map(Number);
      window.slotKonfig = "<%=KO%>".split(',');
      window.werte = "<%=KK0%>".split(',').map(Number);
      window.stoerung = "<%=P91%>".split(',');
      window.logger = "<%=P93%>".split(',');
      window.intervall = "<%=P01%>".split(',').map(Number);
      window.behandlung = "<%=P02%>".split(',').map(Number);
      window.kvz = "<%=K#%>".split(',').map(Number);
      window.statusCPL = "<%=LI1%>,<%=LI2%>,<%=LI3%>,<%=LI4%>,<%=LI5%>,<%=LI6%>,<%=LI7%>,<%=LI8%>".split(',').map(Number);
      window.c_cpl = "<%=OC%>";
      window.c_kue_adr = "<%=OA%>";
      window.c_ewk_ver = "<%=OF%>";
      window.zustand_acc = "<%=Ox%>";
      window.zustandEWK = "<%=OE%>";
      window.user = "<%=BS%>";
      window.zustandModem = "<%=LI3%>,<%=LI4%>,<%=LI7%>,<%=LI8%>".split(',').map(Number);
      window.debugModus = true;	
      window.userStd = "<%=BU%>";



    `;
    scriptContent = replacePlaceholders(scriptContent, placeholders);

    res.setHeader("Content-Type", "application/javascript");
    res.status(200).send(scriptContent);
  } else {
    res.status(400).send("Invalid query parameter");
  }
}